From 0dd02cefb7637d9de3854419f71a91e0fc60a220 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?V=C3=AD=C3=B0ir=20Valberg=20Gu=C3=B0mundsson?= Date: Sun, 21 Feb 2016 02:04:51 +0100 Subject: [PATCH] Doing a Good to know page. --- bornhack/static_src/css/bornhack.css | 4 + bornhack/static_src/css/leaflet.css | 479 + bornhack/static_src/img/layers-2x.png | Bin 0 -> 2898 bytes bornhack/static_src/img/layers.png | Bin 0 -> 1502 bytes bornhack/static_src/img/marker-icon-2x.png | Bin 0 -> 4033 bytes bornhack/static_src/js/images/marker-icon.png | Bin 0 -> 1747 bytes .../static_src/js/images/marker-shadow.png | Bin 0 -> 797 bytes bornhack/static_src/js/leaflet-src.js | 9168 +++++++++++++++++ bornhack/static_src/js/leaflet.js | 9 + bornhack/templates/base.html | 5 +- bornhack/templates/good_to_know.html | 38 + bornhack/urls.py | 7 +- 12 files changed, 9708 insertions(+), 2 deletions(-) create mode 100644 bornhack/static_src/css/leaflet.css create mode 100644 bornhack/static_src/img/layers-2x.png create mode 100644 bornhack/static_src/img/layers.png create mode 100644 bornhack/static_src/img/marker-icon-2x.png create mode 100644 bornhack/static_src/js/images/marker-icon.png create mode 100644 bornhack/static_src/js/images/marker-shadow.png create mode 100644 bornhack/static_src/js/leaflet-src.js create mode 100644 bornhack/static_src/js/leaflet.js create mode 100644 bornhack/templates/good_to_know.html diff --git a/bornhack/static_src/css/bornhack.css b/bornhack/static_src/css/bornhack.css index 2eb4f249..bc80035c 100644 --- a/bornhack/static_src/css/bornhack.css +++ b/bornhack/static_src/css/bornhack.css @@ -58,3 +58,7 @@ a, a:active, a:focus { background-color: rgb(0, 0, 0); color: rgb(255, 255, 255); } + +#map { + height: 500px; +} diff --git a/bornhack/static_src/css/leaflet.css b/bornhack/static_src/css/leaflet.css new file mode 100644 index 00000000..c161c313 --- /dev/null +++ b/bornhack/static_src/css/leaflet.css @@ -0,0 +1,479 @@ +/* required styles */ + +.leaflet-map-pane, +.leaflet-tile, +.leaflet-marker-icon, +.leaflet-marker-shadow, +.leaflet-tile-pane, +.leaflet-tile-container, +.leaflet-overlay-pane, +.leaflet-shadow-pane, +.leaflet-marker-pane, +.leaflet-popup-pane, +.leaflet-overlay-pane svg, +.leaflet-zoom-box, +.leaflet-image-layer, +.leaflet-layer { + position: absolute; + left: 0; + top: 0; + } +.leaflet-container { + overflow: hidden; + -ms-touch-action: none; + touch-action: none; + } +.leaflet-tile, +.leaflet-marker-icon, +.leaflet-marker-shadow { + -webkit-user-select: none; + -moz-user-select: none; + user-select: none; + -webkit-user-drag: none; + } +.leaflet-marker-icon, +.leaflet-marker-shadow { + display: block; + } +/* map is broken in FF if you have max-width: 100% on tiles */ +.leaflet-container img { + max-width: none !important; + } +/* stupid Android 2 doesn't understand "max-width: none" properly */ +.leaflet-container img.leaflet-image-layer { + max-width: 15000px !important; + } +.leaflet-tile { + filter: inherit; + visibility: hidden; + } +.leaflet-tile-loaded { + visibility: inherit; + } +.leaflet-zoom-box { + width: 0; + height: 0; + } +/* workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=888319 */ +.leaflet-overlay-pane svg { + -moz-user-select: none; + } + +.leaflet-tile-pane { z-index: 2; } +.leaflet-objects-pane { z-index: 3; } +.leaflet-overlay-pane { z-index: 4; } +.leaflet-shadow-pane { z-index: 5; } +.leaflet-marker-pane { z-index: 6; } +.leaflet-popup-pane { z-index: 7; } + +.leaflet-vml-shape { + width: 1px; + height: 1px; + } +.lvml { + behavior: url(#default#VML); + display: inline-block; + position: absolute; + } + + +/* control positioning */ + +.leaflet-control { + position: relative; + z-index: 7; + pointer-events: auto; + } +.leaflet-top, +.leaflet-bottom { + position: absolute; + z-index: 1000; + pointer-events: none; + } +.leaflet-top { + top: 0; + } +.leaflet-right { + right: 0; + } +.leaflet-bottom { + bottom: 0; + } +.leaflet-left { + left: 0; + } +.leaflet-control { + float: left; + clear: both; + } +.leaflet-right .leaflet-control { + float: right; + } +.leaflet-top .leaflet-control { + margin-top: 10px; + } +.leaflet-bottom .leaflet-control { + margin-bottom: 10px; + } +.leaflet-left .leaflet-control { + margin-left: 10px; + } +.leaflet-right .leaflet-control { + margin-right: 10px; + } + + +/* zoom and fade animations */ + +.leaflet-fade-anim .leaflet-tile, +.leaflet-fade-anim .leaflet-popup { + opacity: 0; + -webkit-transition: opacity 0.2s linear; + -moz-transition: opacity 0.2s linear; + -o-transition: opacity 0.2s linear; + transition: opacity 0.2s linear; + } +.leaflet-fade-anim .leaflet-tile-loaded, +.leaflet-fade-anim .leaflet-map-pane .leaflet-popup { + opacity: 1; + } + +.leaflet-zoom-anim .leaflet-zoom-animated { + -webkit-transition: -webkit-transform 0.25s cubic-bezier(0,0,0.25,1); + -moz-transition: -moz-transform 0.25s cubic-bezier(0,0,0.25,1); + -o-transition: -o-transform 0.25s cubic-bezier(0,0,0.25,1); + transition: transform 0.25s cubic-bezier(0,0,0.25,1); + } +.leaflet-zoom-anim .leaflet-tile, +.leaflet-pan-anim .leaflet-tile, +.leaflet-touching .leaflet-zoom-animated { + -webkit-transition: none; + -moz-transition: none; + -o-transition: none; + transition: none; + } + +.leaflet-zoom-anim .leaflet-zoom-hide { + visibility: hidden; + } + + +/* cursors */ + +.leaflet-clickable { + cursor: pointer; + } +.leaflet-container { + cursor: -webkit-grab; + cursor: -moz-grab; + } +.leaflet-popup-pane, +.leaflet-control { + cursor: auto; + } +.leaflet-dragging .leaflet-container, +.leaflet-dragging .leaflet-clickable { + cursor: move; + cursor: -webkit-grabbing; + cursor: -moz-grabbing; + } + + +/* visual tweaks */ + +.leaflet-container { + background: #ddd; + outline: 0; + } +.leaflet-container a { + color: #0078A8; + } +.leaflet-container a.leaflet-active { + outline: 2px solid orange; + } +.leaflet-zoom-box { + border: 2px dotted #38f; + background: rgba(255,255,255,0.5); + } + + +/* general typography */ +.leaflet-container { + font: 12px/1.5 "Helvetica Neue", Arial, Helvetica, sans-serif; + } + + +/* general toolbar styles */ + +.leaflet-bar { + box-shadow: 0 1px 5px rgba(0,0,0,0.65); + border-radius: 4px; + } +.leaflet-bar a, +.leaflet-bar a:hover { + background-color: #fff; + border-bottom: 1px solid #ccc; + width: 26px; + height: 26px; + line-height: 26px; + display: block; + text-align: center; + text-decoration: none; + color: black; + } +.leaflet-bar a, +.leaflet-control-layers-toggle { + background-position: 50% 50%; + background-repeat: no-repeat; + display: block; + } +.leaflet-bar a:hover { + background-color: #f4f4f4; + } +.leaflet-bar a:first-child { + border-top-left-radius: 4px; + border-top-right-radius: 4px; + } +.leaflet-bar a:last-child { + border-bottom-left-radius: 4px; + border-bottom-right-radius: 4px; + border-bottom: none; + } +.leaflet-bar a.leaflet-disabled { + cursor: default; + background-color: #f4f4f4; + color: #bbb; + } + +.leaflet-touch .leaflet-bar a { + width: 30px; + height: 30px; + line-height: 30px; + } + + +/* zoom control */ + +.leaflet-control-zoom-in, +.leaflet-control-zoom-out { + font: bold 18px 'Lucida Console', Monaco, monospace; + text-indent: 1px; + } +.leaflet-control-zoom-out { + font-size: 20px; + } + +.leaflet-touch .leaflet-control-zoom-in { + font-size: 22px; + } +.leaflet-touch .leaflet-control-zoom-out { + font-size: 24px; + } + + +/* layers control */ + +.leaflet-control-layers { + box-shadow: 0 1px 5px rgba(0,0,0,0.4); + background: #fff; + border-radius: 5px; + } +.leaflet-control-layers-toggle { + background-image: url(images/layers.png); + width: 36px; + height: 36px; + } +.leaflet-retina .leaflet-control-layers-toggle { + background-image: url(images/layers-2x.png); + background-size: 26px 26px; + } +.leaflet-touch .leaflet-control-layers-toggle { + width: 44px; + height: 44px; + } +.leaflet-control-layers .leaflet-control-layers-list, +.leaflet-control-layers-expanded .leaflet-control-layers-toggle { + display: none; + } +.leaflet-control-layers-expanded .leaflet-control-layers-list { + display: block; + position: relative; + } +.leaflet-control-layers-expanded { + padding: 6px 10px 6px 6px; + color: #333; + background: #fff; + } +.leaflet-control-layers-selector { + margin-top: 2px; + position: relative; + top: 1px; + } +.leaflet-control-layers label { + display: block; + } +.leaflet-control-layers-separator { + height: 0; + border-top: 1px solid #ddd; + margin: 5px -10px 5px -6px; + } + + +/* attribution and scale controls */ + +.leaflet-container .leaflet-control-attribution { + background: #fff; + background: rgba(255, 255, 255, 0.7); + margin: 0; + } +.leaflet-control-attribution, +.leaflet-control-scale-line { + padding: 0 5px; + color: #333; + } +.leaflet-control-attribution a { + text-decoration: none; + } +.leaflet-control-attribution a:hover { + text-decoration: underline; + } +.leaflet-container .leaflet-control-attribution, +.leaflet-container .leaflet-control-scale { + font-size: 11px; + } +.leaflet-left .leaflet-control-scale { + margin-left: 5px; + } +.leaflet-bottom .leaflet-control-scale { + margin-bottom: 5px; + } +.leaflet-control-scale-line { + border: 2px solid #777; + border-top: none; + line-height: 1.1; + padding: 2px 5px 1px; + font-size: 11px; + white-space: nowrap; + overflow: hidden; + -moz-box-sizing: content-box; + box-sizing: content-box; + + background: #fff; + background: rgba(255, 255, 255, 0.5); + } +.leaflet-control-scale-line:not(:first-child) { + border-top: 2px solid #777; + border-bottom: none; + margin-top: -2px; + } +.leaflet-control-scale-line:not(:first-child):not(:last-child) { + border-bottom: 2px solid #777; + } + +.leaflet-touch .leaflet-control-attribution, +.leaflet-touch .leaflet-control-layers, +.leaflet-touch .leaflet-bar { + box-shadow: none; + } +.leaflet-touch .leaflet-control-layers, +.leaflet-touch .leaflet-bar { + border: 2px solid rgba(0,0,0,0.2); + background-clip: padding-box; + } + + +/* popup */ + +.leaflet-popup { + position: absolute; + text-align: center; + } +.leaflet-popup-content-wrapper { + padding: 1px; + text-align: left; + border-radius: 12px; + } +.leaflet-popup-content { + margin: 13px 19px; + line-height: 1.4; + } +.leaflet-popup-content p { + margin: 18px 0; + } +.leaflet-popup-tip-container { + margin: 0 auto; + width: 40px; + height: 20px; + position: relative; + overflow: hidden; + } +.leaflet-popup-tip { + width: 17px; + height: 17px; + padding: 1px; + + margin: -10px auto 0; + + -webkit-transform: rotate(45deg); + -moz-transform: rotate(45deg); + -ms-transform: rotate(45deg); + -o-transform: rotate(45deg); + transform: rotate(45deg); + } +.leaflet-popup-content-wrapper, +.leaflet-popup-tip { + background: white; + + box-shadow: 0 3px 14px rgba(0,0,0,0.4); + } +.leaflet-container a.leaflet-popup-close-button { + position: absolute; + top: 0; + right: 0; + padding: 4px 4px 0 0; + text-align: center; + width: 18px; + height: 14px; + font: 16px/14px Tahoma, Verdana, sans-serif; + color: #c3c3c3; + text-decoration: none; + font-weight: bold; + background: transparent; + } +.leaflet-container a.leaflet-popup-close-button:hover { + color: #999; + } +.leaflet-popup-scrolled { + overflow: auto; + border-bottom: 1px solid #ddd; + border-top: 1px solid #ddd; + } + +.leaflet-oldie .leaflet-popup-content-wrapper { + zoom: 1; + } +.leaflet-oldie .leaflet-popup-tip { + width: 24px; + margin: 0 auto; + + -ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678)"; + filter: progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678); + } +.leaflet-oldie .leaflet-popup-tip-container { + margin-top: -1px; + } + +.leaflet-oldie .leaflet-control-zoom, +.leaflet-oldie .leaflet-control-layers, +.leaflet-oldie .leaflet-popup-content-wrapper, +.leaflet-oldie .leaflet-popup-tip { + border: 1px solid #999; + } + + +/* div icon */ + +.leaflet-div-icon { + background: #fff; + border: 1px solid #666; + } diff --git a/bornhack/static_src/img/layers-2x.png b/bornhack/static_src/img/layers-2x.png new file mode 100644 index 0000000000000000000000000000000000000000..a2cf7f9efef65d2e021f382f47ef50d51d51a0df GIT binary patch literal 2898 zcmV-Y3$65tP)?AfzNU07Ji0>J$I zyy*J%>jA&t|KY2zz8cz!dNXf;;xfzYhMv6otBB#?C3IqawZEtV)Ws@UgL!F(S zVuQi(g3)MfC@U-DvZ*wkrlzJCm&-NacDq09>gq~l5}T2sGiS~m&}cNz)Ya8VDT)#l zNC*+dVzFibkV>Wf6h#RdO+pCebUI^xzyIT7$BqeRmmotYPo7ln-o5)Lb#-+Wt4tB1 zL?WS%$KwYGA#wnqC~8q6kz5js#Q~u?=I7@{PN#EXe0=;bLfDnk&?-~(di{aQ%F2}6 z@Otq)pTDxQa)9Ug-O2u^X?k2HlU<@|dP!(bpU+2oJf2JG*tMadci(-tUaeLiZfIyI zNXL}*ZH>iZbu7y^5kgWvyHOOC5Q#)KsZ{C&ASge}vh={fz(ODpIRDBkuQ-zCz2DG@ z6DQ<4o$iRqWHRj7u|x2JWLdT}9*;l4^Za(9F#tf*^mh`8#Vh4?g(dDVl2B@enN;WQv=CFQPhf9EWRp{ zNIXJgB9Vy5;c(oXn3y=%-rnw`&Ye4V)Mzv|l$VzaHo|e-_E;?T1kdxO*)=`2Xqpa6 zrP7NG!+a++W^!^;hrf`@B%%6jB1%hvEb zFJ>4fL{U`QO=E0qtk7<^KSgzPbPxbBg+g)p>8GEbC@wBeYV3ZdJSwGQ*R5N(WS@NU zNkupuZUrD^T3cIt2q6ce(P*R7=`5L>n_JN7bW0RVDKOzL<*owE|)*| z=9_Ph+_P37C(~njkHQ666opafyd+FS(c>%d`Sp- z`JH#(8C@+SS|9N2v(JVZh6&ubaf8_Hc6w-N2$PeOXliOgb#?V4H?UqKBO|ccY?z;) zhfF4;&1N%EsZ;@u*D=RA~Dk?%tOA8c=4VUv}hGC8|TCMgUDwV34 zrs<>$B{w%0TCEl`nGC^T5K~iA2m}Ji&(FuUZQHiQ%*4b5KL7l4_AkZ2nK`j`Fyy2 z`!Kkw^p=FJ44nUmup2m!VRr@Z^(ELa9_@6(h;y^ZEL^ySv4Ui;H!u96I#v zx8Iulet&Oyc{weSNRq-+EEYqhQlX@z1T!-;2nK`jdc6PurBeA&W*iO&zWVAbghCjHZwG}lrH7Pr5d3kyIv(G*o9v>e!1DK_0`Y=TZ!5eS9AzNHr{1t#-0$?jED{U<; 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+ for (i in src) { + if (src.hasOwnProperty(i)) { + dest[i] = src[i]; + } + } + } + return dest; + }, + + bind: function (fn, obj) { // (Function, Object) -> Function + var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null; + return function () { + return fn.apply(obj, args || arguments); + }; + }, + + stamp: (function () { + var lastId = 0, + key = '_leaflet_id'; + return function (obj) { + obj[key] = obj[key] || ++lastId; + return obj[key]; + }; + }()), + + invokeEach: function (obj, method, context) { + var i, args; + + if (typeof obj === 'object') { + args = Array.prototype.slice.call(arguments, 3); + + for (i in obj) { + method.apply(context, [i, obj[i]].concat(args)); + } + return true; + } + + return false; + }, + + limitExecByInterval: function (fn, time, context) { + var lock, execOnUnlock; + + return function wrapperFn() { + var args = arguments; + + if (lock) { + execOnUnlock = true; + return; + } + + lock = true; + + setTimeout(function () { + lock = false; + + if (execOnUnlock) { + wrapperFn.apply(context, args); + execOnUnlock = false; + } + }, time); + + fn.apply(context, args); + }; + }, + + falseFn: function () { + return false; + }, + + formatNum: function (num, digits) { + var pow = Math.pow(10, digits || 5); + return Math.round(num * pow) / pow; + }, + + trim: function (str) { + return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, ''); + }, + + splitWords: function (str) { + return L.Util.trim(str).split(/\s+/); + }, + + setOptions: function (obj, options) { + obj.options = L.extend({}, obj.options, options); + return obj.options; + }, + + getParamString: function (obj, existingUrl, uppercase) { + var params = []; + for (var i in obj) { + params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i])); + } + return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&'); + }, + template: function (str, data) { + return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) { + var value = data[key]; + if (value === undefined) { + throw new Error('No value provided for variable ' + str); + } else if (typeof value === 'function') { + value = value(data); + } + return value; + }); + }, + + isArray: Array.isArray || function (obj) { + return (Object.prototype.toString.call(obj) === '[object Array]'); + }, + + emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=' +}; + +(function () { + + // inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/ + + function getPrefixed(name) { + var i, fn, + prefixes = ['webkit', 'moz', 'o', 'ms']; + + for (i = 0; i < prefixes.length && !fn; i++) { + fn = window[prefixes[i] + name]; + } + + return fn; + } + + var lastTime = 0; + + function timeoutDefer(fn) { + var time = +new Date(), + timeToCall = Math.max(0, 16 - (time - lastTime)); + + lastTime = time + timeToCall; + return window.setTimeout(fn, timeToCall); + } + + var requestFn = window.requestAnimationFrame || + getPrefixed('RequestAnimationFrame') || timeoutDefer; + + var cancelFn = window.cancelAnimationFrame || + getPrefixed('CancelAnimationFrame') || + getPrefixed('CancelRequestAnimationFrame') || + function (id) { window.clearTimeout(id); }; + + + L.Util.requestAnimFrame = function (fn, context, immediate, element) { + fn = L.bind(fn, context); + + if (immediate && requestFn === timeoutDefer) { + fn(); + } else { + return requestFn.call(window, fn, element); + } + }; + + L.Util.cancelAnimFrame = function (id) { + if (id) { + cancelFn.call(window, id); + } + }; + +}()); + +// shortcuts for most used utility functions +L.extend = L.Util.extend; +L.bind = L.Util.bind; +L.stamp = L.Util.stamp; +L.setOptions = L.Util.setOptions; + + +/* + * L.Class powers the OOP facilities of the library. + * Thanks to John Resig and Dean Edwards for inspiration! + */ + +L.Class = function () {}; + +L.Class.extend = function (props) { + + // extended class with the new prototype + var NewClass = function () { + + // call the constructor + if (this.initialize) { + this.initialize.apply(this, arguments); + } + + // call all constructor hooks + if (this._initHooks) { + this.callInitHooks(); + } + }; + + // instantiate class without calling constructor + var F = function () {}; + F.prototype = this.prototype; + + var proto = new F(); + proto.constructor = NewClass; + + NewClass.prototype = proto; + + //inherit parent's statics + for (var i in this) { + if (this.hasOwnProperty(i) && i !== 'prototype') { + NewClass[i] = this[i]; + } + } + + // mix static properties into the class + if (props.statics) { + L.extend(NewClass, props.statics); + delete props.statics; + } + + // mix includes into the prototype + if (props.includes) { + L.Util.extend.apply(null, [proto].concat(props.includes)); + delete props.includes; + } + + // merge options + if (props.options && proto.options) { + props.options = L.extend({}, proto.options, props.options); + } + + // mix given properties into the prototype + L.extend(proto, props); + + proto._initHooks = []; + + var parent = this; + // jshint camelcase: false + NewClass.__super__ = parent.prototype; + + // add method for calling all hooks + proto.callInitHooks = function () { + + if (this._initHooksCalled) { return; } + + if (parent.prototype.callInitHooks) { + parent.prototype.callInitHooks.call(this); + } + + this._initHooksCalled = true; + + for (var i = 0, len = proto._initHooks.length; i < len; i++) { + proto._initHooks[i].call(this); + } + }; + + return NewClass; +}; + + +// method for adding properties to prototype +L.Class.include = function (props) { + L.extend(this.prototype, props); +}; + +// merge new default options to the Class +L.Class.mergeOptions = function (options) { + L.extend(this.prototype.options, options); +}; + +// add a constructor hook +L.Class.addInitHook = function (fn) { // (Function) || (String, args...) + var args = Array.prototype.slice.call(arguments, 1); + + var init = typeof fn === 'function' ? fn : function () { + this[fn].apply(this, args); + }; + + this.prototype._initHooks = this.prototype._initHooks || []; + this.prototype._initHooks.push(init); +}; + + +/* + * L.Mixin.Events is used to add custom events functionality to Leaflet classes. + */ + +var eventsKey = '_leaflet_events'; + +L.Mixin = {}; + +L.Mixin.Events = { + + addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object]) + + // types can be a map of types/handlers + if (L.Util.invokeEach(types, this.addEventListener, this, fn, context)) { return this; } + + var events = this[eventsKey] = this[eventsKey] || {}, + contextId = context && context !== this && L.stamp(context), + i, len, event, type, indexKey, indexLenKey, typeIndex; + + // types can be a string of space-separated words + types = L.Util.splitWords(types); + + for (i = 0, len = types.length; i < len; i++) { + event = { + action: fn, + context: context || this + }; + type = types[i]; + + if (contextId) { + // store listeners of a particular context in a separate hash (if it has an id) + // gives a major performance boost when removing thousands of map layers + + indexKey = type + '_idx'; + indexLenKey = indexKey + '_len'; + + typeIndex = events[indexKey] = events[indexKey] || {}; + + if (!typeIndex[contextId]) { + typeIndex[contextId] = []; + + // keep track of the number of keys in the index to quickly check if it's empty + events[indexLenKey] = (events[indexLenKey] || 0) + 1; + } + + typeIndex[contextId].push(event); + + + } else { + events[type] = events[type] || []; + events[type].push(event); + } + } + + return this; + }, + + hasEventListeners: function (type) { // (String) -> Boolean + var events = this[eventsKey]; + return !!events && ((type in events && events[type].length > 0) || + (type + '_idx' in events && events[type + '_idx_len'] > 0)); + }, + + removeEventListener: function (types, fn, context) { // ([String, Function, Object]) or (Object[, Object]) + + if (!this[eventsKey]) { + return this; + } + + if (!types) { + return this.clearAllEventListeners(); + } + + if (L.Util.invokeEach(types, this.removeEventListener, this, fn, context)) { return this; } + + var events = this[eventsKey], + contextId = context && context !== this && L.stamp(context), + i, len, type, listeners, j, indexKey, indexLenKey, typeIndex, removed; + + types = L.Util.splitWords(types); + + for (i = 0, len = types.length; i < len; i++) { + type = types[i]; + indexKey = type + '_idx'; + indexLenKey = indexKey + '_len'; + + typeIndex = events[indexKey]; + + if (!fn) { + // clear all listeners for a type if function isn't specified + delete events[type]; + delete events[indexKey]; + delete events[indexLenKey]; + + } else { + listeners = contextId && typeIndex ? typeIndex[contextId] : events[type]; + + if (listeners) { + for (j = listeners.length - 1; j >= 0; j--) { + if ((listeners[j].action === fn) && (!context || (listeners[j].context === context))) { + removed = listeners.splice(j, 1); + // set the old action to a no-op, because it is possible + // that the listener is being iterated over as part of a dispatch + removed[0].action = L.Util.falseFn; + } + } + + if (context && typeIndex && (listeners.length === 0)) { + delete typeIndex[contextId]; + events[indexLenKey]--; + } + } + } + } + + return this; + }, + + clearAllEventListeners: function () { + delete this[eventsKey]; + return this; + }, + + fireEvent: function (type, data) { // (String[, Object]) + if (!this.hasEventListeners(type)) { + return this; + } + + var event = L.Util.extend({}, data, { type: type, target: this }); + + var events = this[eventsKey], + listeners, i, len, typeIndex, contextId; + + if (events[type]) { + // make sure adding/removing listeners inside other listeners won't cause infinite loop + listeners = events[type].slice(); + + for (i = 0, len = listeners.length; i < len; i++) { + listeners[i].action.call(listeners[i].context, event); + } + } + + // fire event for the context-indexed listeners as well + typeIndex = events[type + '_idx']; + + for (contextId in typeIndex) { + listeners = typeIndex[contextId].slice(); + + if (listeners) { + for (i = 0, len = listeners.length; i < len; i++) { + listeners[i].action.call(listeners[i].context, event); + } + } + } + + return this; + }, + + addOneTimeEventListener: function (types, fn, context) { + + if (L.Util.invokeEach(types, this.addOneTimeEventListener, this, fn, context)) { return this; } + + var handler = L.bind(function () { + this + .removeEventListener(types, fn, context) + .removeEventListener(types, handler, context); + }, this); + + return this + .addEventListener(types, fn, context) + .addEventListener(types, handler, context); + } +}; + +L.Mixin.Events.on = L.Mixin.Events.addEventListener; +L.Mixin.Events.off = L.Mixin.Events.removeEventListener; +L.Mixin.Events.once = L.Mixin.Events.addOneTimeEventListener; +L.Mixin.Events.fire = L.Mixin.Events.fireEvent; + + +/* + * L.Browser handles different browser and feature detections for internal Leaflet use. + */ + +(function () { + + var ie = 'ActiveXObject' in window, + ielt9 = ie && !document.addEventListener, + + // terrible browser detection to work around Safari / iOS / Android browser bugs + ua = navigator.userAgent.toLowerCase(), + webkit = ua.indexOf('webkit') !== -1, + chrome = ua.indexOf('chrome') !== -1, + phantomjs = ua.indexOf('phantom') !== -1, + android = ua.indexOf('android') !== -1, + android23 = ua.search('android [23]') !== -1, + gecko = ua.indexOf('gecko') !== -1, + + mobile = typeof orientation !== undefined + '', + msPointer = !window.PointerEvent && window.MSPointerEvent, + pointer = (window.PointerEvent && window.navigator.pointerEnabled) || + msPointer, + retina = ('devicePixelRatio' in window && window.devicePixelRatio > 1) || + ('matchMedia' in window && window.matchMedia('(min-resolution:144dpi)') && + window.matchMedia('(min-resolution:144dpi)').matches), + + doc = document.documentElement, + ie3d = ie && ('transition' in doc.style), + webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23, + gecko3d = 'MozPerspective' in doc.style, + opera3d = 'OTransition' in doc.style, + any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs; + + var touch = !window.L_NO_TOUCH && !phantomjs && (pointer || 'ontouchstart' in window || + (window.DocumentTouch && document instanceof window.DocumentTouch)); + + L.Browser = { + ie: ie, + ielt9: ielt9, + webkit: webkit, + gecko: gecko && !webkit && !window.opera && !ie, + + android: android, + android23: android23, + + chrome: chrome, + + ie3d: ie3d, + webkit3d: webkit3d, + gecko3d: gecko3d, + opera3d: opera3d, + any3d: any3d, + + mobile: mobile, + mobileWebkit: mobile && webkit, + mobileWebkit3d: mobile && webkit3d, + mobileOpera: mobile && window.opera, + + touch: touch, + msPointer: msPointer, + pointer: pointer, + + retina: retina + }; + +}()); + + +/* + * L.Point represents a point with x and y coordinates. + */ + +L.Point = function (/*Number*/ x, /*Number*/ y, /*Boolean*/ round) { + this.x = (round ? Math.round(x) : x); + this.y = (round ? Math.round(y) : y); +}; + +L.Point.prototype = { + + clone: function () { + return new L.Point(this.x, this.y); + }, + + // non-destructive, returns a new point + add: function (point) { + return this.clone()._add(L.point(point)); + }, + + // destructive, used directly for performance in situations where it's safe to modify existing point + _add: function (point) { + this.x += point.x; + this.y += point.y; + return this; + }, + + subtract: function (point) { + return this.clone()._subtract(L.point(point)); + }, + + _subtract: function (point) { + this.x -= point.x; + this.y -= point.y; + return this; + }, + + divideBy: function (num) { + return this.clone()._divideBy(num); + }, + + _divideBy: function (num) { + this.x /= num; + this.y /= num; + return this; + }, + + multiplyBy: function (num) { + return this.clone()._multiplyBy(num); + }, + + _multiplyBy: function (num) { + this.x *= num; + this.y *= num; + return this; + }, + + round: function () { + return this.clone()._round(); + }, + + _round: function () { + this.x = Math.round(this.x); + this.y = Math.round(this.y); + return this; + }, + + floor: function () { + return this.clone()._floor(); + }, + + _floor: function () { + this.x = Math.floor(this.x); + this.y = Math.floor(this.y); + return this; + }, + + distanceTo: function (point) { + point = L.point(point); + + var x = point.x - this.x, + y = point.y - this.y; + + return Math.sqrt(x * x + y * y); + }, + + equals: function (point) { + point = L.point(point); + + return point.x === this.x && + point.y === this.y; + }, + + contains: function (point) { + point = L.point(point); + + return Math.abs(point.x) <= Math.abs(this.x) && + Math.abs(point.y) <= Math.abs(this.y); + }, + + toString: function () { + return 'Point(' + + L.Util.formatNum(this.x) + ', ' + + L.Util.formatNum(this.y) + ')'; + } +}; + +L.point = function (x, y, round) { + if (x instanceof L.Point) { + return x; + } + if (L.Util.isArray(x)) { + return new L.Point(x[0], x[1]); + } + if (x === undefined || x === null) { + return x; + } + return new L.Point(x, y, round); +}; + + +/* + * L.Bounds represents a rectangular area on the screen in pixel coordinates. + */ + +L.Bounds = function (a, b) { //(Point, Point) or Point[] + if (!a) { return; } + + var points = b ? [a, b] : a; + + for (var i = 0, len = points.length; i < len; i++) { + this.extend(points[i]); + } +}; + +L.Bounds.prototype = { + // extend the bounds to contain the given point + extend: function (point) { // (Point) + point = L.point(point); + + if (!this.min && !this.max) { + this.min = point.clone(); + this.max = point.clone(); + } else { + this.min.x = Math.min(point.x, this.min.x); + this.max.x = Math.max(point.x, this.max.x); + this.min.y = Math.min(point.y, this.min.y); + this.max.y = Math.max(point.y, this.max.y); + } + return this; + }, + + getCenter: function (round) { // (Boolean) -> Point + return new L.Point( + (this.min.x + this.max.x) / 2, + (this.min.y + this.max.y) / 2, round); + }, + + getBottomLeft: function () { // -> Point + return new L.Point(this.min.x, this.max.y); + }, + + getTopRight: function () { // -> Point + return new L.Point(this.max.x, this.min.y); + }, + + getSize: function () { + return this.max.subtract(this.min); + }, + + contains: function (obj) { // (Bounds) or (Point) -> Boolean + var min, max; + + if (typeof obj[0] === 'number' || obj instanceof L.Point) { + obj = L.point(obj); + } else { + obj = L.bounds(obj); + } + + if (obj instanceof L.Bounds) { + min = obj.min; + max = obj.max; + } else { + min = max = obj; + } + + return (min.x >= this.min.x) && + (max.x <= this.max.x) && + (min.y >= this.min.y) && + (max.y <= this.max.y); + }, + + intersects: function (bounds) { // (Bounds) -> Boolean + bounds = L.bounds(bounds); + + var min = this.min, + max = this.max, + min2 = bounds.min, + max2 = bounds.max, + xIntersects = (max2.x >= min.x) && (min2.x <= max.x), + yIntersects = (max2.y >= min.y) && (min2.y <= max.y); + + return xIntersects && yIntersects; + }, + + isValid: function () { + return !!(this.min && this.max); + } +}; + +L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[]) + if (!a || a instanceof L.Bounds) { + return a; + } + return new L.Bounds(a, b); +}; + + +/* + * L.Transformation is an utility class to perform simple point transformations through a 2d-matrix. + */ + +L.Transformation = function (a, b, c, d) { + this._a = a; + this._b = b; + this._c = c; + this._d = d; +}; + +L.Transformation.prototype = { + transform: function (point, scale) { // (Point, Number) -> Point + return this._transform(point.clone(), scale); + }, + + // destructive transform (faster) + _transform: function (point, scale) { + scale = scale || 1; + point.x = scale * (this._a * point.x + this._b); + point.y = scale * (this._c * point.y + this._d); + return point; + }, + + untransform: function (point, scale) { + scale = scale || 1; + return new L.Point( + (point.x / scale - this._b) / this._a, + (point.y / scale - this._d) / this._c); + } +}; + + +/* + * L.DomUtil contains various utility functions for working with DOM. + */ + +L.DomUtil = { + get: function (id) { + return (typeof id === 'string' ? document.getElementById(id) : id); + }, + + getStyle: function (el, style) { + + var value = el.style[style]; + + if (!value && el.currentStyle) { + value = el.currentStyle[style]; + } + + if ((!value || value === 'auto') && document.defaultView) { + var css = document.defaultView.getComputedStyle(el, null); + value = css ? css[style] : null; + } + + return value === 'auto' ? null : value; + }, + + getViewportOffset: function (element) { + + var top = 0, + left = 0, + el = element, + docBody = document.body, + docEl = document.documentElement, + pos; + + do { + top += el.offsetTop || 0; + left += el.offsetLeft || 0; + + //add borders + top += parseInt(L.DomUtil.getStyle(el, 'borderTopWidth'), 10) || 0; + left += parseInt(L.DomUtil.getStyle(el, 'borderLeftWidth'), 10) || 0; + + pos = L.DomUtil.getStyle(el, 'position'); + + if (el.offsetParent === docBody && pos === 'absolute') { break; } + + if (pos === 'fixed') { + top += docBody.scrollTop || docEl.scrollTop || 0; + left += docBody.scrollLeft || docEl.scrollLeft || 0; + break; + } + + if (pos === 'relative' && !el.offsetLeft) { + var width = L.DomUtil.getStyle(el, 'width'), + maxWidth = L.DomUtil.getStyle(el, 'max-width'), + r = el.getBoundingClientRect(); + + if (width !== 'none' || maxWidth !== 'none') { + left += r.left + el.clientLeft; + } + + //calculate full y offset since we're breaking out of the loop + top += r.top + (docBody.scrollTop || docEl.scrollTop || 0); + + break; + } + + el = el.offsetParent; + + } while (el); + + el = element; + + do { + if (el === docBody) { break; } + + top -= el.scrollTop || 0; + left -= el.scrollLeft || 0; + + el = el.parentNode; + } while (el); + + return new L.Point(left, top); + }, + + documentIsLtr: function () { + if (!L.DomUtil._docIsLtrCached) { + L.DomUtil._docIsLtrCached = true; + L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === 'ltr'; + } + return L.DomUtil._docIsLtr; + }, + + create: function (tagName, className, container) { + + var el = document.createElement(tagName); + el.className = className; + + if (container) { + container.appendChild(el); + } + + return el; + }, + + hasClass: function (el, name) { + if (el.classList !== undefined) { + return el.classList.contains(name); + } + var className = L.DomUtil._getClass(el); + return className.length > 0 && new RegExp('(^|\\s)' + name + '(\\s|$)').test(className); + }, + + addClass: function (el, name) { + if (el.classList !== undefined) { + var classes = L.Util.splitWords(name); + for (var i = 0, len = classes.length; i < len; i++) { + el.classList.add(classes[i]); + } + } else if (!L.DomUtil.hasClass(el, name)) { + var className = L.DomUtil._getClass(el); + L.DomUtil._setClass(el, (className ? className + ' ' : '') + name); + } + }, + + removeClass: function (el, name) { + if (el.classList !== undefined) { + el.classList.remove(name); + } else { + L.DomUtil._setClass(el, L.Util.trim((' ' + L.DomUtil._getClass(el) + ' ').replace(' ' + name + ' ', ' '))); + } + }, + + _setClass: function (el, name) { + if (el.className.baseVal === undefined) { + el.className = name; + } else { + // in case of SVG element + el.className.baseVal = name; + } + }, + + _getClass: function (el) { + return el.className.baseVal === undefined ? el.className : el.className.baseVal; + }, + + setOpacity: function (el, value) { + + if ('opacity' in el.style) { + el.style.opacity = value; + + } else if ('filter' in el.style) { + + var filter = false, + filterName = 'DXImageTransform.Microsoft.Alpha'; + + // filters collection throws an error if we try to retrieve a filter that doesn't exist + try { + filter = el.filters.item(filterName); + } catch (e) { + // don't set opacity to 1 if we haven't already set an opacity, + // it isn't needed and breaks transparent pngs. + if (value === 1) { return; } + } + + value = Math.round(value * 100); + + if (filter) { + filter.Enabled = (value !== 100); + filter.Opacity = value; + } else { + el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')'; + } + } + }, + + testProp: function (props) { + + var style = document.documentElement.style; + + for (var i = 0; i < props.length; i++) { + if (props[i] in style) { + return props[i]; + } + } + return false; + }, + + getTranslateString: function (point) { + // on WebKit browsers (Chrome/Safari/iOS Safari/Android) using translate3d instead of translate + // makes animation smoother as it ensures HW accel is used. Firefox 13 doesn't care + // (same speed either way), Opera 12 doesn't support translate3d + + var is3d = L.Browser.webkit3d, + open = 'translate' + (is3d ? '3d' : '') + '(', + close = (is3d ? ',0' : '') + ')'; + + return open + point.x + 'px,' + point.y + 'px' + close; + }, + + getScaleString: function (scale, origin) { + + var preTranslateStr = L.DomUtil.getTranslateString(origin.add(origin.multiplyBy(-1 * scale))), + scaleStr = ' scale(' + scale + ') '; + + return preTranslateStr + scaleStr; + }, + + setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean]) + + // jshint camelcase: false + el._leaflet_pos = point; + + if (!disable3D && L.Browser.any3d) { + el.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(point); + } else { + el.style.left = point.x + 'px'; + el.style.top = point.y + 'px'; + } + }, + + getPosition: function (el) { + // this method is only used for elements previously positioned using setPosition, + // so it's safe to cache the position for performance + + // jshint camelcase: false + return el._leaflet_pos; + } +}; + + +// prefix style property names + +L.DomUtil.TRANSFORM = L.DomUtil.testProp( + ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']); + +// webkitTransition comes first because some browser versions that drop vendor prefix don't do +// the same for the transitionend event, in particular the Android 4.1 stock browser + +L.DomUtil.TRANSITION = L.DomUtil.testProp( + ['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']); + +L.DomUtil.TRANSITION_END = + L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ? + L.DomUtil.TRANSITION + 'End' : 'transitionend'; + +(function () { + if ('onselectstart' in document) { + L.extend(L.DomUtil, { + disableTextSelection: function () { + L.DomEvent.on(window, 'selectstart', L.DomEvent.preventDefault); + }, + + enableTextSelection: function () { + L.DomEvent.off(window, 'selectstart', L.DomEvent.preventDefault); + } + }); + } else { + var userSelectProperty = L.DomUtil.testProp( + ['userSelect', 'WebkitUserSelect', 'OUserSelect', 'MozUserSelect', 'msUserSelect']); + + L.extend(L.DomUtil, { + disableTextSelection: function () { + if (userSelectProperty) { + var style = document.documentElement.style; + this._userSelect = style[userSelectProperty]; + style[userSelectProperty] = 'none'; + } + }, + + enableTextSelection: function () { + if (userSelectProperty) { + document.documentElement.style[userSelectProperty] = this._userSelect; + delete this._userSelect; + } + } + }); + } + + L.extend(L.DomUtil, { + disableImageDrag: function () { + L.DomEvent.on(window, 'dragstart', L.DomEvent.preventDefault); + }, + + enableImageDrag: function () { + L.DomEvent.off(window, 'dragstart', L.DomEvent.preventDefault); + } + }); +})(); + + +/* + * L.LatLng represents a geographical point with latitude and longitude coordinates. + */ + +L.LatLng = function (lat, lng, alt) { // (Number, Number, Number) + lat = parseFloat(lat); + lng = parseFloat(lng); + + if (isNaN(lat) || isNaN(lng)) { + throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')'); + } + + this.lat = lat; + this.lng = lng; + + if (alt !== undefined) { + this.alt = parseFloat(alt); + } +}; + +L.extend(L.LatLng, { + DEG_TO_RAD: Math.PI / 180, + RAD_TO_DEG: 180 / Math.PI, + MAX_MARGIN: 1.0E-9 // max margin of error for the "equals" check +}); + +L.LatLng.prototype = { + equals: function (obj) { // (LatLng) -> Boolean + if (!obj) { return false; } + + obj = L.latLng(obj); + + var margin = Math.max( + Math.abs(this.lat - obj.lat), + Math.abs(this.lng - obj.lng)); + + return margin <= L.LatLng.MAX_MARGIN; + }, + + toString: function (precision) { // (Number) -> String + return 'LatLng(' + + L.Util.formatNum(this.lat, precision) + ', ' + + L.Util.formatNum(this.lng, precision) + ')'; + }, + + // Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula + // TODO move to projection code, LatLng shouldn't know about Earth + distanceTo: function (other) { // (LatLng) -> Number + other = L.latLng(other); + + var R = 6378137, // earth radius in meters + d2r = L.LatLng.DEG_TO_RAD, + dLat = (other.lat - this.lat) * d2r, + dLon = (other.lng - this.lng) * d2r, + lat1 = this.lat * d2r, + lat2 = other.lat * d2r, + sin1 = Math.sin(dLat / 2), + sin2 = Math.sin(dLon / 2); + + var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2); + + return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); + }, + + wrap: function (a, b) { // (Number, Number) -> LatLng + var lng = this.lng; + + a = a || -180; + b = b || 180; + + lng = (lng + b) % (b - a) + (lng < a || lng === b ? b : a); + + return new L.LatLng(this.lat, lng); + } +}; + +L.latLng = function (a, b) { // (LatLng) or ([Number, Number]) or (Number, Number) + if (a instanceof L.LatLng) { + return a; + } + if (L.Util.isArray(a)) { + if (typeof a[0] === 'number' || typeof a[0] === 'string') { + return new L.LatLng(a[0], a[1], a[2]); + } else { + return null; + } + } + if (a === undefined || a === null) { + return a; + } + if (typeof a === 'object' && 'lat' in a) { + return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon); + } + if (b === undefined) { + return null; + } + return new L.LatLng(a, b); +}; + + + +/* + * L.LatLngBounds represents a rectangular area on the map in geographical coordinates. + */ + +L.LatLngBounds = function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[]) + if (!southWest) { return; } + + var latlngs = northEast ? [southWest, northEast] : southWest; + + for (var i = 0, len = latlngs.length; i < len; i++) { + this.extend(latlngs[i]); + } +}; + +L.LatLngBounds.prototype = { + // extend the bounds to contain the given point or bounds + extend: function (obj) { // (LatLng) or (LatLngBounds) + if (!obj) { return this; } + + var latLng = L.latLng(obj); + if (latLng !== null) { + obj = latLng; + } else { + obj = L.latLngBounds(obj); + } + + if (obj instanceof L.LatLng) { + if (!this._southWest && !this._northEast) { + this._southWest = new L.LatLng(obj.lat, obj.lng); + this._northEast = new L.LatLng(obj.lat, obj.lng); + } else { + this._southWest.lat = Math.min(obj.lat, this._southWest.lat); + this._southWest.lng = Math.min(obj.lng, this._southWest.lng); + + this._northEast.lat = Math.max(obj.lat, this._northEast.lat); + this._northEast.lng = Math.max(obj.lng, this._northEast.lng); + } + } else if (obj instanceof L.LatLngBounds) { + this.extend(obj._southWest); + this.extend(obj._northEast); + } + return this; + }, + + // extend the bounds by a percentage + pad: function (bufferRatio) { // (Number) -> LatLngBounds + var sw = this._southWest, + ne = this._northEast, + heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio, + widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio; + + return new L.LatLngBounds( + new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer), + new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer)); + }, + + getCenter: function () { // -> LatLng + return new L.LatLng( + (this._southWest.lat + this._northEast.lat) / 2, + (this._southWest.lng + this._northEast.lng) / 2); + }, + + getSouthWest: function () { + return this._southWest; + }, + + getNorthEast: function () { + return this._northEast; + }, + + getNorthWest: function () { + return new L.LatLng(this.getNorth(), this.getWest()); + }, + + getSouthEast: function () { + return new L.LatLng(this.getSouth(), this.getEast()); + }, + + getWest: function () { + return this._southWest.lng; + }, + + getSouth: function () { + return this._southWest.lat; + }, + + getEast: function () { + return this._northEast.lng; + }, + + getNorth: function () { + return this._northEast.lat; + }, + + contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean + if (typeof obj[0] === 'number' || obj instanceof L.LatLng) { + obj = L.latLng(obj); + } else { + obj = L.latLngBounds(obj); + } + + var sw = this._southWest, + ne = this._northEast, + sw2, ne2; + + if (obj instanceof L.LatLngBounds) { + sw2 = obj.getSouthWest(); + ne2 = obj.getNorthEast(); + } else { + sw2 = ne2 = obj; + } + + return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) && + (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng); + }, + + intersects: function (bounds) { // (LatLngBounds) + bounds = L.latLngBounds(bounds); + + var sw = this._southWest, + ne = this._northEast, + sw2 = bounds.getSouthWest(), + ne2 = bounds.getNorthEast(), + + latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat), + lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng); + + return latIntersects && lngIntersects; + }, + + toBBoxString: function () { + return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(','); + }, + + equals: function (bounds) { // (LatLngBounds) + if (!bounds) { return false; } + + bounds = L.latLngBounds(bounds); + + return this._southWest.equals(bounds.getSouthWest()) && + this._northEast.equals(bounds.getNorthEast()); + }, + + isValid: function () { + return !!(this._southWest && this._northEast); + } +}; + +//TODO International date line? + +L.latLngBounds = function (a, b) { // (LatLngBounds) or (LatLng, LatLng) + if (!a || a instanceof L.LatLngBounds) { + return a; + } + return new L.LatLngBounds(a, b); +}; + + +/* + * L.Projection contains various geographical projections used by CRS classes. + */ + +L.Projection = {}; + + +/* + * Spherical Mercator is the most popular map projection, used by EPSG:3857 CRS used by default. + */ + +L.Projection.SphericalMercator = { + MAX_LATITUDE: 85.0511287798, + + project: function (latlng) { // (LatLng) -> Point + var d = L.LatLng.DEG_TO_RAD, + max = this.MAX_LATITUDE, + lat = Math.max(Math.min(max, latlng.lat), -max), + x = latlng.lng * d, + y = lat * d; + + y = Math.log(Math.tan((Math.PI / 4) + (y / 2))); + + return new L.Point(x, y); + }, + + unproject: function (point) { // (Point, Boolean) -> LatLng + var d = L.LatLng.RAD_TO_DEG, + lng = point.x * d, + lat = (2 * Math.atan(Math.exp(point.y)) - (Math.PI / 2)) * d; + + return new L.LatLng(lat, lng); + } +}; + + +/* + * Simple equirectangular (Plate Carree) projection, used by CRS like EPSG:4326 and Simple. + */ + +L.Projection.LonLat = { + project: function (latlng) { + return new L.Point(latlng.lng, latlng.lat); + }, + + unproject: function (point) { + return new L.LatLng(point.y, point.x); + } +}; + + +/* + * L.CRS is a base object for all defined CRS (Coordinate Reference Systems) in Leaflet. + */ + +L.CRS = { + latLngToPoint: function (latlng, zoom) { // (LatLng, Number) -> Point + var projectedPoint = this.projection.project(latlng), + scale = this.scale(zoom); + + return this.transformation._transform(projectedPoint, scale); + }, + + pointToLatLng: function (point, zoom) { // (Point, Number[, Boolean]) -> LatLng + var scale = this.scale(zoom), + untransformedPoint = this.transformation.untransform(point, scale); + + return this.projection.unproject(untransformedPoint); + }, + + project: function (latlng) { + return this.projection.project(latlng); + }, + + scale: function (zoom) { + return 256 * Math.pow(2, zoom); + }, + + getSize: function (zoom) { + var s = this.scale(zoom); + return L.point(s, s); + } +}; + + +/* + * A simple CRS that can be used for flat non-Earth maps like panoramas or game maps. + */ + +L.CRS.Simple = L.extend({}, L.CRS, { + projection: L.Projection.LonLat, + transformation: new L.Transformation(1, 0, -1, 0), + + scale: function (zoom) { + return Math.pow(2, zoom); + } +}); + + +/* + * L.CRS.EPSG3857 (Spherical Mercator) is the most common CRS for web mapping + * and is used by Leaflet by default. + */ + +L.CRS.EPSG3857 = L.extend({}, L.CRS, { + code: 'EPSG:3857', + + projection: L.Projection.SphericalMercator, + transformation: new L.Transformation(0.5 / Math.PI, 0.5, -0.5 / Math.PI, 0.5), + + project: function (latlng) { // (LatLng) -> Point + var projectedPoint = this.projection.project(latlng), + earthRadius = 6378137; + return projectedPoint.multiplyBy(earthRadius); + } +}); + +L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, { + code: 'EPSG:900913' +}); + + +/* + * L.CRS.EPSG4326 is a CRS popular among advanced GIS specialists. + */ + +L.CRS.EPSG4326 = L.extend({}, L.CRS, { + code: 'EPSG:4326', + + projection: L.Projection.LonLat, + transformation: new L.Transformation(1 / 360, 0.5, -1 / 360, 0.5) +}); + + +/* + * L.Map is the central class of the API - it is used to create a map. + */ + +L.Map = L.Class.extend({ + + includes: L.Mixin.Events, + + options: { + crs: L.CRS.EPSG3857, + + /* + center: LatLng, + zoom: Number, + layers: Array, + */ + + fadeAnimation: L.DomUtil.TRANSITION && !L.Browser.android23, + trackResize: true, + markerZoomAnimation: L.DomUtil.TRANSITION && L.Browser.any3d + }, + + initialize: function (id, options) { // (HTMLElement or String, Object) + options = L.setOptions(this, options); + + + this._initContainer(id); + this._initLayout(); + + // hack for https://github.com/Leaflet/Leaflet/issues/1980 + this._onResize = L.bind(this._onResize, this); + + this._initEvents(); + + if (options.maxBounds) { + this.setMaxBounds(options.maxBounds); + } + + if (options.center && options.zoom !== undefined) { + this.setView(L.latLng(options.center), options.zoom, {reset: true}); + } + + this._handlers = []; + + this._layers = {}; + this._zoomBoundLayers = {}; + this._tileLayersNum = 0; + + this.callInitHooks(); + + this._addLayers(options.layers); + }, + + + // public methods that modify map state + + // replaced by animation-powered implementation in Map.PanAnimation.js + setView: function (center, zoom) { + zoom = zoom === undefined ? this.getZoom() : zoom; + this._resetView(L.latLng(center), this._limitZoom(zoom)); + return this; + }, + + setZoom: function (zoom, options) { + if (!this._loaded) { + this._zoom = this._limitZoom(zoom); + return this; + } + return this.setView(this.getCenter(), zoom, {zoom: options}); + }, + + zoomIn: function (delta, options) { + return this.setZoom(this._zoom + (delta || 1), options); + }, + + zoomOut: function (delta, options) { + return this.setZoom(this._zoom - (delta || 1), options); + }, + + setZoomAround: function (latlng, zoom, options) { + var scale = this.getZoomScale(zoom), + viewHalf = this.getSize().divideBy(2), + containerPoint = latlng instanceof L.Point ? latlng : this.latLngToContainerPoint(latlng), + + centerOffset = containerPoint.subtract(viewHalf).multiplyBy(1 - 1 / scale), + newCenter = this.containerPointToLatLng(viewHalf.add(centerOffset)); + + return this.setView(newCenter, zoom, {zoom: options}); + }, + + fitBounds: function (bounds, options) { + + options = options || {}; + bounds = bounds.getBounds ? bounds.getBounds() : L.latLngBounds(bounds); + + var paddingTL = L.point(options.paddingTopLeft || options.padding || [0, 0]), + paddingBR = L.point(options.paddingBottomRight || options.padding || [0, 0]), + + zoom = this.getBoundsZoom(bounds, false, paddingTL.add(paddingBR)); + + zoom = (options.maxZoom) ? Math.min(options.maxZoom, zoom) : zoom; + + var paddingOffset = paddingBR.subtract(paddingTL).divideBy(2), + + swPoint = this.project(bounds.getSouthWest(), zoom), + nePoint = this.project(bounds.getNorthEast(), zoom), + center = this.unproject(swPoint.add(nePoint).divideBy(2).add(paddingOffset), zoom); + + return this.setView(center, zoom, options); + }, + + fitWorld: function (options) { + return this.fitBounds([[-90, -180], [90, 180]], options); + }, + + panTo: function (center, options) { // (LatLng) + return this.setView(center, this._zoom, {pan: options}); + }, + + panBy: function (offset) { // (Point) + // replaced with animated panBy in Map.PanAnimation.js + this.fire('movestart'); + + this._rawPanBy(L.point(offset)); + + this.fire('move'); + return this.fire('moveend'); + }, + + setMaxBounds: function (bounds) { + bounds = L.latLngBounds(bounds); + + this.options.maxBounds = bounds; + + if (!bounds) { + return this.off('moveend', this._panInsideMaxBounds, this); + } + + if (this._loaded) { + this._panInsideMaxBounds(); + } + + return this.on('moveend', this._panInsideMaxBounds, this); + }, + + panInsideBounds: function (bounds, options) { + var center = this.getCenter(), + newCenter = this._limitCenter(center, this._zoom, bounds); + + if (center.equals(newCenter)) { return this; } + + return this.panTo(newCenter, options); + }, + + addLayer: function (layer) { + // TODO method is too big, refactor + + var id = L.stamp(layer); + + if (this._layers[id]) { return this; } + + this._layers[id] = layer; + + // TODO getMaxZoom, getMinZoom in ILayer (instead of options) + if (layer.options && (!isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom))) { + this._zoomBoundLayers[id] = layer; + this._updateZoomLevels(); + } + + // TODO looks ugly, refactor!!! + if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) { + this._tileLayersNum++; + this._tileLayersToLoad++; + layer.on('load', this._onTileLayerLoad, this); + } + + if (this._loaded) { + this._layerAdd(layer); + } + + return this; + }, + + removeLayer: function (layer) { + var id = L.stamp(layer); + + if (!this._layers[id]) { return this; } + + if (this._loaded) { + layer.onRemove(this); + } + + delete this._layers[id]; + + if (this._loaded) { + this.fire('layerremove', {layer: layer}); + } + + if (this._zoomBoundLayers[id]) { + delete this._zoomBoundLayers[id]; + this._updateZoomLevels(); + } + + // TODO looks ugly, refactor + if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) { + this._tileLayersNum--; + this._tileLayersToLoad--; + layer.off('load', this._onTileLayerLoad, this); + } + + return this; + }, + + hasLayer: function (layer) { + if (!layer) { return false; } + + return (L.stamp(layer) in this._layers); + }, + + eachLayer: function (method, context) { + for (var i in this._layers) { + method.call(context, this._layers[i]); + } + return this; + }, + + invalidateSize: function (options) { + if (!this._loaded) { return this; } + + options = L.extend({ + animate: false, + pan: true + }, options === true ? {animate: true} : options); + + var oldSize = this.getSize(); + this._sizeChanged = true; + this._initialCenter = null; + + var newSize = this.getSize(), + oldCenter = oldSize.divideBy(2).round(), + newCenter = newSize.divideBy(2).round(), + offset = oldCenter.subtract(newCenter); + + if (!offset.x && !offset.y) { return this; } + + if (options.animate && options.pan) { + this.panBy(offset); + + } else { + if (options.pan) { + this._rawPanBy(offset); + } + + this.fire('move'); + + if (options.debounceMoveend) { + clearTimeout(this._sizeTimer); + this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200); + } else { + this.fire('moveend'); + } + } + + return this.fire('resize', { + oldSize: oldSize, + newSize: newSize + }); + }, + + // TODO handler.addTo + addHandler: function (name, HandlerClass) { + if (!HandlerClass) { return this; } + + var handler = this[name] = new HandlerClass(this); + + this._handlers.push(handler); + + if (this.options[name]) { + handler.enable(); + } + + return this; + }, + + remove: function () { + if (this._loaded) { + this.fire('unload'); + } + + this._initEvents('off'); + + try { + // throws error in IE6-8 + delete this._container._leaflet; + } catch (e) { + this._container._leaflet = undefined; + } + + this._clearPanes(); + if (this._clearControlPos) { + this._clearControlPos(); + } + + this._clearHandlers(); + + return this; + }, + + + // public methods for getting map state + + getCenter: function () { // (Boolean) -> LatLng + this._checkIfLoaded(); + + if (this._initialCenter && !this._moved()) { + return this._initialCenter; + } + return this.layerPointToLatLng(this._getCenterLayerPoint()); + }, + + getZoom: function () { + return this._zoom; + }, + + getBounds: function () { + var bounds = this.getPixelBounds(), + sw = this.unproject(bounds.getBottomLeft()), + ne = this.unproject(bounds.getTopRight()); + + return new L.LatLngBounds(sw, ne); + }, + + getMinZoom: function () { + return this.options.minZoom === undefined ? + (this._layersMinZoom === undefined ? 0 : this._layersMinZoom) : + this.options.minZoom; + }, + + getMaxZoom: function () { + return this.options.maxZoom === undefined ? + (this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom) : + this.options.maxZoom; + }, + + getBoundsZoom: function (bounds, inside, padding) { // (LatLngBounds[, Boolean, Point]) -> Number + bounds = L.latLngBounds(bounds); + + var zoom = this.getMinZoom() - (inside ? 1 : 0), + maxZoom = this.getMaxZoom(), + size = this.getSize(), + + nw = bounds.getNorthWest(), + se = bounds.getSouthEast(), + + zoomNotFound = true, + boundsSize; + + padding = L.point(padding || [0, 0]); + + do { + zoom++; + boundsSize = this.project(se, zoom).subtract(this.project(nw, zoom)).add(padding); + zoomNotFound = !inside ? size.contains(boundsSize) : boundsSize.x < size.x || boundsSize.y < size.y; + + } while (zoomNotFound && zoom <= maxZoom); + + if (zoomNotFound && inside) { + return null; + } + + return inside ? zoom : zoom - 1; + }, + + getSize: function () { + if (!this._size || this._sizeChanged) { + this._size = new L.Point( + this._container.clientWidth, + this._container.clientHeight); + + this._sizeChanged = false; + } + return this._size.clone(); + }, + + getPixelBounds: function () { + var topLeftPoint = this._getTopLeftPoint(); + return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize())); + }, + + getPixelOrigin: function () { + this._checkIfLoaded(); + return this._initialTopLeftPoint; + }, + + getPanes: function () { + return this._panes; + }, + + getContainer: function () { + return this._container; + }, + + + // TODO replace with universal implementation after refactoring projections + + getZoomScale: function (toZoom) { + var crs = this.options.crs; + return crs.scale(toZoom) / crs.scale(this._zoom); + }, + + getScaleZoom: function (scale) { + return this._zoom + (Math.log(scale) / Math.LN2); + }, + + + // conversion methods + + project: function (latlng, zoom) { // (LatLng[, Number]) -> Point + zoom = zoom === undefined ? this._zoom : zoom; + return this.options.crs.latLngToPoint(L.latLng(latlng), zoom); + }, + + unproject: function (point, zoom) { // (Point[, Number]) -> LatLng + zoom = zoom === undefined ? this._zoom : zoom; + return this.options.crs.pointToLatLng(L.point(point), zoom); + }, + + layerPointToLatLng: function (point) { // (Point) + var projectedPoint = L.point(point).add(this.getPixelOrigin()); + return this.unproject(projectedPoint); + }, + + latLngToLayerPoint: function (latlng) { // (LatLng) + var projectedPoint = this.project(L.latLng(latlng))._round(); + return projectedPoint._subtract(this.getPixelOrigin()); + }, + + containerPointToLayerPoint: function (point) { // (Point) + return L.point(point).subtract(this._getMapPanePos()); + }, + + layerPointToContainerPoint: function (point) { // (Point) + return L.point(point).add(this._getMapPanePos()); + }, + + containerPointToLatLng: function (point) { + var layerPoint = this.containerPointToLayerPoint(L.point(point)); + return this.layerPointToLatLng(layerPoint); + }, + + latLngToContainerPoint: function (latlng) { + return this.layerPointToContainerPoint(this.latLngToLayerPoint(L.latLng(latlng))); + }, + + mouseEventToContainerPoint: function (e) { // (MouseEvent) + return L.DomEvent.getMousePosition(e, this._container); + }, + + mouseEventToLayerPoint: function (e) { // (MouseEvent) + return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e)); + }, + + mouseEventToLatLng: function (e) { // (MouseEvent) + return this.layerPointToLatLng(this.mouseEventToLayerPoint(e)); + }, + + + // map initialization methods + + _initContainer: function (id) { + var container = this._container = L.DomUtil.get(id); + + if (!container) { + throw new Error('Map container not found.'); + } else if (container._leaflet) { + throw new Error('Map container is already initialized.'); + } + + container._leaflet = true; + }, + + _initLayout: function () { + var container = this._container; + + L.DomUtil.addClass(container, 'leaflet-container' + + (L.Browser.touch ? ' leaflet-touch' : '') + + (L.Browser.retina ? ' leaflet-retina' : '') + + (L.Browser.ielt9 ? ' leaflet-oldie' : '') + + (this.options.fadeAnimation ? ' leaflet-fade-anim' : '')); + + var position = L.DomUtil.getStyle(container, 'position'); + + if (position !== 'absolute' && position !== 'relative' && position !== 'fixed') { + container.style.position = 'relative'; + } + + this._initPanes(); + + if (this._initControlPos) { + this._initControlPos(); + } + }, + + _initPanes: function () { + var panes = this._panes = {}; + + this._mapPane = panes.mapPane = this._createPane('leaflet-map-pane', this._container); + + this._tilePane = panes.tilePane = this._createPane('leaflet-tile-pane', this._mapPane); + panes.objectsPane = this._createPane('leaflet-objects-pane', this._mapPane); + panes.shadowPane = this._createPane('leaflet-shadow-pane'); + panes.overlayPane = this._createPane('leaflet-overlay-pane'); + panes.markerPane = this._createPane('leaflet-marker-pane'); + panes.popupPane = this._createPane('leaflet-popup-pane'); + + var zoomHide = ' leaflet-zoom-hide'; + + if (!this.options.markerZoomAnimation) { + L.DomUtil.addClass(panes.markerPane, zoomHide); + L.DomUtil.addClass(panes.shadowPane, zoomHide); + L.DomUtil.addClass(panes.popupPane, zoomHide); + } + }, + + _createPane: function (className, container) { + return L.DomUtil.create('div', className, container || this._panes.objectsPane); + }, + + _clearPanes: function () { + this._container.removeChild(this._mapPane); + }, + + _addLayers: function (layers) { + layers = layers ? (L.Util.isArray(layers) ? layers : [layers]) : []; + + for (var i = 0, len = layers.length; i < len; i++) { + this.addLayer(layers[i]); + } + }, + + + // private methods that modify map state + + _resetView: function (center, zoom, preserveMapOffset, afterZoomAnim) { + + var zoomChanged = (this._zoom !== zoom); + + if (!afterZoomAnim) { + this.fire('movestart'); + + if (zoomChanged) { + this.fire('zoomstart'); + } + } + + this._zoom = zoom; + this._initialCenter = center; + + this._initialTopLeftPoint = this._getNewTopLeftPoint(center); + + if (!preserveMapOffset) { + L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0)); + } else { + this._initialTopLeftPoint._add(this._getMapPanePos()); + } + + this._tileLayersToLoad = this._tileLayersNum; + + var loading = !this._loaded; + this._loaded = true; + + this.fire('viewreset', {hard: !preserveMapOffset}); + + if (loading) { + this.fire('load'); + this.eachLayer(this._layerAdd, this); + } + + this.fire('move'); + + if (zoomChanged || afterZoomAnim) { + this.fire('zoomend'); + } + + this.fire('moveend', {hard: !preserveMapOffset}); + }, + + _rawPanBy: function (offset) { + L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset)); + }, + + _getZoomSpan: function () { + return this.getMaxZoom() - this.getMinZoom(); + }, + + _updateZoomLevels: function () { + var i, + minZoom = Infinity, + maxZoom = -Infinity, + oldZoomSpan = this._getZoomSpan(); + + for (i in this._zoomBoundLayers) { + var layer = this._zoomBoundLayers[i]; + if (!isNaN(layer.options.minZoom)) { + minZoom = Math.min(minZoom, layer.options.minZoom); + } + if (!isNaN(layer.options.maxZoom)) { + maxZoom = Math.max(maxZoom, layer.options.maxZoom); + } + } + + if (i === undefined) { // we have no tilelayers + this._layersMaxZoom = this._layersMinZoom = undefined; + } else { + this._layersMaxZoom = maxZoom; + this._layersMinZoom = minZoom; + } + + if (oldZoomSpan !== this._getZoomSpan()) { + this.fire('zoomlevelschange'); + } + }, + + _panInsideMaxBounds: function () { + this.panInsideBounds(this.options.maxBounds); + }, + + _checkIfLoaded: function () { + if (!this._loaded) { + throw new Error('Set map center and zoom first.'); + } + }, + + // map events + + _initEvents: function (onOff) { + if (!L.DomEvent) { return; } + + onOff = onOff || 'on'; + + L.DomEvent[onOff](this._container, 'click', this._onMouseClick, this); + + var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter', + 'mouseleave', 'mousemove', 'contextmenu'], + i, len; + + for (i = 0, len = events.length; i < len; i++) { + L.DomEvent[onOff](this._container, events[i], this._fireMouseEvent, this); + } + + if (this.options.trackResize) { + L.DomEvent[onOff](window, 'resize', this._onResize, this); + } + }, + + _onResize: function () { + L.Util.cancelAnimFrame(this._resizeRequest); + this._resizeRequest = L.Util.requestAnimFrame( + function () { this.invalidateSize({debounceMoveend: true}); }, this, false, this._container); + }, + + _onMouseClick: function (e) { + if (!this._loaded || (!e._simulated && + ((this.dragging && this.dragging.moved()) || + (this.boxZoom && this.boxZoom.moved()))) || + L.DomEvent._skipped(e)) { return; } + + this.fire('preclick'); + this._fireMouseEvent(e); + }, + + _fireMouseEvent: function (e) { + if (!this._loaded || L.DomEvent._skipped(e)) { return; } + + var type = e.type; + + type = (type === 'mouseenter' ? 'mouseover' : (type === 'mouseleave' ? 'mouseout' : type)); + + if (!this.hasEventListeners(type)) { return; } + + if (type === 'contextmenu') { + L.DomEvent.preventDefault(e); + } + + var containerPoint = this.mouseEventToContainerPoint(e), + layerPoint = this.containerPointToLayerPoint(containerPoint), + latlng = this.layerPointToLatLng(layerPoint); + + this.fire(type, { + latlng: latlng, + layerPoint: layerPoint, + containerPoint: containerPoint, + originalEvent: e + }); + }, + + _onTileLayerLoad: function () { + this._tileLayersToLoad--; + if (this._tileLayersNum && !this._tileLayersToLoad) { + this.fire('tilelayersload'); + } + }, + + _clearHandlers: function () { + for (var i = 0, len = this._handlers.length; i < len; i++) { + this._handlers[i].disable(); + } + }, + + whenReady: function (callback, context) { + if (this._loaded) { + callback.call(context || this, this); + } else { + this.on('load', callback, context); + } + return this; + }, + + _layerAdd: function (layer) { + layer.onAdd(this); + this.fire('layeradd', {layer: layer}); + }, + + + // private methods for getting map state + + _getMapPanePos: function () { + return L.DomUtil.getPosition(this._mapPane); + }, + + _moved: function () { + var pos = this._getMapPanePos(); + return pos && !pos.equals([0, 0]); + }, + + _getTopLeftPoint: function () { + return this.getPixelOrigin().subtract(this._getMapPanePos()); + }, + + _getNewTopLeftPoint: function (center, zoom) { + var viewHalf = this.getSize()._divideBy(2); + // TODO round on display, not calculation to increase precision? + return this.project(center, zoom)._subtract(viewHalf)._round(); + }, + + _latLngToNewLayerPoint: function (latlng, newZoom, newCenter) { + var topLeft = this._getNewTopLeftPoint(newCenter, newZoom).add(this._getMapPanePos()); + return this.project(latlng, newZoom)._subtract(topLeft); + }, + + // layer point of the current center + _getCenterLayerPoint: function () { + return this.containerPointToLayerPoint(this.getSize()._divideBy(2)); + }, + + // offset of the specified place to the current center in pixels + _getCenterOffset: function (latlng) { + return this.latLngToLayerPoint(latlng).subtract(this._getCenterLayerPoint()); + }, + + // adjust center for view to get inside bounds + _limitCenter: function (center, zoom, bounds) { + + if (!bounds) { return center; } + + var centerPoint = this.project(center, zoom), + viewHalf = this.getSize().divideBy(2), + viewBounds = new L.Bounds(centerPoint.subtract(viewHalf), centerPoint.add(viewHalf)), + offset = this._getBoundsOffset(viewBounds, bounds, zoom); + + return this.unproject(centerPoint.add(offset), zoom); + }, + + // adjust offset for view to get inside bounds + _limitOffset: function (offset, bounds) { + if (!bounds) { return offset; } + + var viewBounds = this.getPixelBounds(), + newBounds = new L.Bounds(viewBounds.min.add(offset), viewBounds.max.add(offset)); + + return offset.add(this._getBoundsOffset(newBounds, bounds)); + }, + + // returns offset needed for pxBounds to get inside maxBounds at a specified zoom + _getBoundsOffset: function (pxBounds, maxBounds, zoom) { + var nwOffset = this.project(maxBounds.getNorthWest(), zoom).subtract(pxBounds.min), + seOffset = this.project(maxBounds.getSouthEast(), zoom).subtract(pxBounds.max), + + dx = this._rebound(nwOffset.x, -seOffset.x), + dy = this._rebound(nwOffset.y, -seOffset.y); + + return new L.Point(dx, dy); + }, + + _rebound: function (left, right) { + return left + right > 0 ? + Math.round(left - right) / 2 : + Math.max(0, Math.ceil(left)) - Math.max(0, Math.floor(right)); + }, + + _limitZoom: function (zoom) { + var min = this.getMinZoom(), + max = this.getMaxZoom(); + + return Math.max(min, Math.min(max, zoom)); + } +}); + +L.map = function (id, options) { + return new L.Map(id, options); +}; + + +/* + * Mercator projection that takes into account that the Earth is not a perfect sphere. + * Less popular than spherical mercator; used by projections like EPSG:3395. + */ + +L.Projection.Mercator = { + MAX_LATITUDE: 85.0840591556, + + R_MINOR: 6356752.314245179, + R_MAJOR: 6378137, + + project: function (latlng) { // (LatLng) -> Point + var d = L.LatLng.DEG_TO_RAD, + max = this.MAX_LATITUDE, + lat = Math.max(Math.min(max, latlng.lat), -max), + r = this.R_MAJOR, + r2 = this.R_MINOR, + x = latlng.lng * d * r, + y = lat * d, + tmp = r2 / r, + eccent = Math.sqrt(1.0 - tmp * tmp), + con = eccent * Math.sin(y); + + con = Math.pow((1 - con) / (1 + con), eccent * 0.5); + + var ts = Math.tan(0.5 * ((Math.PI * 0.5) - y)) / con; + y = -r * Math.log(ts); + + return new L.Point(x, y); + }, + + unproject: function (point) { // (Point, Boolean) -> LatLng + var d = L.LatLng.RAD_TO_DEG, + r = this.R_MAJOR, + r2 = this.R_MINOR, + lng = point.x * d / r, + tmp = r2 / r, + eccent = Math.sqrt(1 - (tmp * tmp)), + ts = Math.exp(- point.y / r), + phi = (Math.PI / 2) - 2 * Math.atan(ts), + numIter = 15, + tol = 1e-7, + i = numIter, + dphi = 0.1, + con; + + while ((Math.abs(dphi) > tol) && (--i > 0)) { + con = eccent * Math.sin(phi); + dphi = (Math.PI / 2) - 2 * Math.atan(ts * + Math.pow((1.0 - con) / (1.0 + con), 0.5 * eccent)) - phi; + phi += dphi; + } + + return new L.LatLng(phi * d, lng); + } +}; + + + +L.CRS.EPSG3395 = L.extend({}, L.CRS, { + code: 'EPSG:3395', + + projection: L.Projection.Mercator, + + transformation: (function () { + var m = L.Projection.Mercator, + r = m.R_MAJOR, + scale = 0.5 / (Math.PI * r); + + return new L.Transformation(scale, 0.5, -scale, 0.5); + }()) +}); + + +/* + * L.TileLayer is used for standard xyz-numbered tile layers. + */ + +L.TileLayer = L.Class.extend({ + includes: L.Mixin.Events, + + options: { + minZoom: 0, + maxZoom: 18, + tileSize: 256, + subdomains: 'abc', + errorTileUrl: '', + attribution: '', + zoomOffset: 0, + opacity: 1, + /* + maxNativeZoom: null, + zIndex: null, + tms: false, + continuousWorld: false, + noWrap: false, + zoomReverse: false, + detectRetina: false, + reuseTiles: false, + bounds: false, + */ + unloadInvisibleTiles: L.Browser.mobile, + updateWhenIdle: L.Browser.mobile + }, + + initialize: function (url, options) { + options = L.setOptions(this, options); + + // detecting retina displays, adjusting tileSize and zoom levels + if (options.detectRetina && L.Browser.retina && options.maxZoom > 0) { + + options.tileSize = Math.floor(options.tileSize / 2); + options.zoomOffset++; + + if (options.minZoom > 0) { + options.minZoom--; + } + this.options.maxZoom--; + } + + if (options.bounds) { + options.bounds = L.latLngBounds(options.bounds); + } + + this._url = url; + + var subdomains = this.options.subdomains; + + if (typeof subdomains === 'string') { + this.options.subdomains = subdomains.split(''); + } + }, + + onAdd: function (map) { + this._map = map; + this._animated = map._zoomAnimated; + + // create a container div for tiles + this._initContainer(); + + // set up events + map.on({ + 'viewreset': this._reset, + 'moveend': this._update + }, this); + + if (this._animated) { + map.on({ + 'zoomanim': this._animateZoom, + 'zoomend': this._endZoomAnim + }, this); + } + + if (!this.options.updateWhenIdle) { + this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this); + map.on('move', this._limitedUpdate, this); + } + + this._reset(); + this._update(); + }, + + addTo: function (map) { + map.addLayer(this); + return this; + }, + + onRemove: function (map) { + this._container.parentNode.removeChild(this._container); + + map.off({ + 'viewreset': this._reset, + 'moveend': this._update + }, this); + + if (this._animated) { + map.off({ + 'zoomanim': this._animateZoom, + 'zoomend': this._endZoomAnim + }, this); + } + + if (!this.options.updateWhenIdle) { + map.off('move', this._limitedUpdate, this); + } + + this._container = null; + this._map = null; + }, + + bringToFront: function () { + var pane = this._map._panes.tilePane; + + if (this._container) { + pane.appendChild(this._container); + this._setAutoZIndex(pane, Math.max); + } + + return this; + }, + + bringToBack: function () { + var pane = this._map._panes.tilePane; + + if (this._container) { + pane.insertBefore(this._container, pane.firstChild); + this._setAutoZIndex(pane, Math.min); + } + + return this; + }, + + getAttribution: function () { + return this.options.attribution; + }, + + getContainer: function () { + return this._container; + }, + + setOpacity: function (opacity) { + this.options.opacity = opacity; + + if (this._map) { + this._updateOpacity(); + } + + return this; + }, + + setZIndex: function (zIndex) { + this.options.zIndex = zIndex; + this._updateZIndex(); + + return this; + }, + + setUrl: function (url, noRedraw) { + this._url = url; + + if (!noRedraw) { + this.redraw(); + } + + return this; + }, + + redraw: function () { + if (this._map) { + this._reset({hard: true}); + this._update(); + } + return this; + }, + + _updateZIndex: function () { + if (this._container && this.options.zIndex !== undefined) { + this._container.style.zIndex = this.options.zIndex; + } + }, + + _setAutoZIndex: function (pane, compare) { + + var layers = pane.children, + edgeZIndex = -compare(Infinity, -Infinity), // -Infinity for max, Infinity for min + zIndex, i, len; + + for (i = 0, len = layers.length; i < len; i++) { + + if (layers[i] !== this._container) { + zIndex = parseInt(layers[i].style.zIndex, 10); + + if (!isNaN(zIndex)) { + edgeZIndex = compare(edgeZIndex, zIndex); + } + } + } + + this.options.zIndex = this._container.style.zIndex = + (isFinite(edgeZIndex) ? edgeZIndex : 0) + compare(1, -1); + }, + + _updateOpacity: function () { + var i, + tiles = this._tiles; + + if (L.Browser.ielt9) { + for (i in tiles) { + L.DomUtil.setOpacity(tiles[i], this.options.opacity); + } + } else { + L.DomUtil.setOpacity(this._container, this.options.opacity); + } + }, + + _initContainer: function () { + var tilePane = this._map._panes.tilePane; + + if (!this._container) { + this._container = L.DomUtil.create('div', 'leaflet-layer'); + + this._updateZIndex(); + + if (this._animated) { + var className = 'leaflet-tile-container'; + + this._bgBuffer = L.DomUtil.create('div', className, this._container); + this._tileContainer = L.DomUtil.create('div', className, this._container); + + } else { + this._tileContainer = this._container; + } + + tilePane.appendChild(this._container); + + if (this.options.opacity < 1) { + this._updateOpacity(); + } + } + }, + + _reset: function (e) { + for (var key in this._tiles) { + this.fire('tileunload', {tile: this._tiles[key]}); + } + + this._tiles = {}; + this._tilesToLoad = 0; + + if (this.options.reuseTiles) { + this._unusedTiles = []; + } + + this._tileContainer.innerHTML = ''; + + if (this._animated && e && e.hard) { + this._clearBgBuffer(); + } + + this._initContainer(); + }, + + _getTileSize: function () { + var map = this._map, + zoom = map.getZoom() + this.options.zoomOffset, + zoomN = this.options.maxNativeZoom, + tileSize = this.options.tileSize; + + if (zoomN && zoom > zoomN) { + tileSize = Math.round(map.getZoomScale(zoom) / map.getZoomScale(zoomN) * tileSize); + } + + return tileSize; + }, + + _update: function () { + + if (!this._map) { return; } + + var map = this._map, + bounds = map.getPixelBounds(), + zoom = map.getZoom(), + tileSize = this._getTileSize(); + + if (zoom > this.options.maxZoom || zoom < this.options.minZoom) { + return; + } + + var tileBounds = L.bounds( + bounds.min.divideBy(tileSize)._floor(), + bounds.max.divideBy(tileSize)._floor()); + + this._addTilesFromCenterOut(tileBounds); + + if (this.options.unloadInvisibleTiles || this.options.reuseTiles) { + this._removeOtherTiles(tileBounds); + } + }, + + _addTilesFromCenterOut: function (bounds) { + var queue = [], + center = bounds.getCenter(); + + var j, i, point; + + for (j = bounds.min.y; j <= bounds.max.y; j++) { + for (i = bounds.min.x; i <= bounds.max.x; i++) { + point = new L.Point(i, j); + + if (this._tileShouldBeLoaded(point)) { + queue.push(point); + } + } + } + + var tilesToLoad = queue.length; + + if (tilesToLoad === 0) { return; } + + // load tiles in order of their distance to center + queue.sort(function (a, b) { + return a.distanceTo(center) - b.distanceTo(center); + }); + + var fragment = document.createDocumentFragment(); + + // if its the first batch of tiles to load + if (!this._tilesToLoad) { + this.fire('loading'); + } + + this._tilesToLoad += tilesToLoad; + + for (i = 0; i < tilesToLoad; i++) { + this._addTile(queue[i], fragment); + } + + this._tileContainer.appendChild(fragment); + }, + + _tileShouldBeLoaded: function (tilePoint) { + if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) { + return false; // already loaded + } + + var options = this.options; + + if (!options.continuousWorld) { + var limit = this._getWrapTileNum(); + + // don't load if exceeds world bounds + if ((options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit.x)) || + tilePoint.y < 0 || tilePoint.y >= limit.y) { return false; } + } + + if (options.bounds) { + var tileSize = this._getTileSize(), + nwPoint = tilePoint.multiplyBy(tileSize), + sePoint = nwPoint.add([tileSize, tileSize]), + nw = this._map.unproject(nwPoint), + se = this._map.unproject(sePoint); + + // TODO temporary hack, will be removed after refactoring projections + // https://github.com/Leaflet/Leaflet/issues/1618 + if (!options.continuousWorld && !options.noWrap) { + nw = nw.wrap(); + se = se.wrap(); + } + + if (!options.bounds.intersects([nw, se])) { return false; } + } + + return true; + }, + + _removeOtherTiles: function (bounds) { + var kArr, x, y, key; + + for (key in this._tiles) { + kArr = key.split(':'); + x = parseInt(kArr[0], 10); + y = parseInt(kArr[1], 10); + + // remove tile if it's out of bounds + if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) { + this._removeTile(key); + } + } + }, + + _removeTile: function (key) { + var tile = this._tiles[key]; + + this.fire('tileunload', {tile: tile, url: tile.src}); + + if (this.options.reuseTiles) { + L.DomUtil.removeClass(tile, 'leaflet-tile-loaded'); + this._unusedTiles.push(tile); + + } else if (tile.parentNode === this._tileContainer) { + this._tileContainer.removeChild(tile); + } + + // for https://github.com/CloudMade/Leaflet/issues/137 + if (!L.Browser.android) { + tile.onload = null; + tile.src = L.Util.emptyImageUrl; + } + + delete this._tiles[key]; + }, + + _addTile: function (tilePoint, container) { + var tilePos = this._getTilePos(tilePoint); + + // get unused tile - or create a new tile + var tile = this._getTile(); + + /* + Chrome 20 layouts much faster with top/left (verify with timeline, frames) + Android 4 browser has display issues with top/left and requires transform instead + (other browsers don't currently care) - see debug/hacks/jitter.html for an example + */ + L.DomUtil.setPosition(tile, tilePos, L.Browser.chrome); + + this._tiles[tilePoint.x + ':' + tilePoint.y] = tile; + + this._loadTile(tile, tilePoint); + + if (tile.parentNode !== this._tileContainer) { + container.appendChild(tile); + } + }, + + _getZoomForUrl: function () { + + var options = this.options, + zoom = this._map.getZoom(); + + if (options.zoomReverse) { + zoom = options.maxZoom - zoom; + } + + zoom += options.zoomOffset; + + return options.maxNativeZoom ? Math.min(zoom, options.maxNativeZoom) : zoom; + }, + + _getTilePos: function (tilePoint) { + var origin = this._map.getPixelOrigin(), + tileSize = this._getTileSize(); + + return tilePoint.multiplyBy(tileSize).subtract(origin); + }, + + // image-specific code (override to implement e.g. Canvas or SVG tile layer) + + getTileUrl: function (tilePoint) { + return L.Util.template(this._url, L.extend({ + s: this._getSubdomain(tilePoint), + z: tilePoint.z, + x: tilePoint.x, + y: tilePoint.y + }, this.options)); + }, + + _getWrapTileNum: function () { + var crs = this._map.options.crs, + size = crs.getSize(this._map.getZoom()); + return size.divideBy(this._getTileSize())._floor(); + }, + + _adjustTilePoint: function (tilePoint) { + + var limit = this._getWrapTileNum(); + + // wrap tile coordinates + if (!this.options.continuousWorld && !this.options.noWrap) { + tilePoint.x = ((tilePoint.x % limit.x) + limit.x) % limit.x; + } + + if (this.options.tms) { + tilePoint.y = limit.y - tilePoint.y - 1; + } + + tilePoint.z = this._getZoomForUrl(); + }, + + _getSubdomain: function (tilePoint) { + var index = Math.abs(tilePoint.x + tilePoint.y) % this.options.subdomains.length; + return this.options.subdomains[index]; + }, + + _getTile: function () { + if (this.options.reuseTiles && this._unusedTiles.length > 0) { + var tile = this._unusedTiles.pop(); + this._resetTile(tile); + return tile; + } + return this._createTile(); + }, + + // Override if data stored on a tile needs to be cleaned up before reuse + _resetTile: function (/*tile*/) {}, + + _createTile: function () { + var tile = L.DomUtil.create('img', 'leaflet-tile'); + tile.style.width = tile.style.height = this._getTileSize() + 'px'; + tile.galleryimg = 'no'; + + tile.onselectstart = tile.onmousemove = L.Util.falseFn; + + if (L.Browser.ielt9 && this.options.opacity !== undefined) { + L.DomUtil.setOpacity(tile, this.options.opacity); + } + // without this hack, tiles disappear after zoom on Chrome for Android + // https://github.com/Leaflet/Leaflet/issues/2078 + if (L.Browser.mobileWebkit3d) { + tile.style.WebkitBackfaceVisibility = 'hidden'; + } + return tile; + }, + + _loadTile: function (tile, tilePoint) { + tile._layer = this; + tile.onload = this._tileOnLoad; + tile.onerror = this._tileOnError; + + this._adjustTilePoint(tilePoint); + tile.src = this.getTileUrl(tilePoint); + + this.fire('tileloadstart', { + tile: tile, + url: tile.src + }); + }, + + _tileLoaded: function () { + this._tilesToLoad--; + + if (this._animated) { + L.DomUtil.addClass(this._tileContainer, 'leaflet-zoom-animated'); + } + + if (!this._tilesToLoad) { + this.fire('load'); + + if (this._animated) { + // clear scaled tiles after all new tiles are loaded (for performance) + clearTimeout(this._clearBgBufferTimer); + this._clearBgBufferTimer = setTimeout(L.bind(this._clearBgBuffer, this), 500); + } + } + }, + + _tileOnLoad: function () { + var layer = this._layer; + + //Only if we are loading an actual image + if (this.src !== L.Util.emptyImageUrl) { + L.DomUtil.addClass(this, 'leaflet-tile-loaded'); + + layer.fire('tileload', { + tile: this, + url: this.src + }); + } + + layer._tileLoaded(); + }, + + _tileOnError: function () { + var layer = this._layer; + + layer.fire('tileerror', { + tile: this, + url: this.src + }); + + var newUrl = layer.options.errorTileUrl; + if (newUrl) { + this.src = newUrl; + } + + layer._tileLoaded(); + } +}); + +L.tileLayer = function (url, options) { + return new L.TileLayer(url, options); +}; + + +/* + * L.TileLayer.WMS is used for putting WMS tile layers on the map. + */ + +L.TileLayer.WMS = L.TileLayer.extend({ + + defaultWmsParams: { + service: 'WMS', + request: 'GetMap', + version: '1.1.1', + layers: '', + styles: '', + format: 'image/jpeg', + transparent: false + }, + + initialize: function (url, options) { // (String, Object) + + this._url = url; + + var wmsParams = L.extend({}, this.defaultWmsParams), + tileSize = options.tileSize || this.options.tileSize; + + if (options.detectRetina && L.Browser.retina) { + wmsParams.width = wmsParams.height = tileSize * 2; + } else { + wmsParams.width = wmsParams.height = tileSize; + } + + for (var i in options) { + // all keys that are not TileLayer options go to WMS params + if (!this.options.hasOwnProperty(i) && i !== 'crs') { + wmsParams[i] = options[i]; + } + } + + this.wmsParams = wmsParams; + + L.setOptions(this, options); + }, + + onAdd: function (map) { + + this._crs = this.options.crs || map.options.crs; + + this._wmsVersion = parseFloat(this.wmsParams.version); + + var projectionKey = this._wmsVersion >= 1.3 ? 'crs' : 'srs'; + this.wmsParams[projectionKey] = this._crs.code; + + L.TileLayer.prototype.onAdd.call(this, map); + }, + + getTileUrl: function (tilePoint) { // (Point, Number) -> String + + var map = this._map, + tileSize = this.options.tileSize, + + nwPoint = tilePoint.multiplyBy(tileSize), + sePoint = nwPoint.add([tileSize, tileSize]), + + nw = this._crs.project(map.unproject(nwPoint, tilePoint.z)), + se = this._crs.project(map.unproject(sePoint, tilePoint.z)), + bbox = this._wmsVersion >= 1.3 && this._crs === L.CRS.EPSG4326 ? + [se.y, nw.x, nw.y, se.x].join(',') : + [nw.x, se.y, se.x, nw.y].join(','), + + url = L.Util.template(this._url, {s: this._getSubdomain(tilePoint)}); + + return url + L.Util.getParamString(this.wmsParams, url, true) + '&BBOX=' + bbox; + }, + + setParams: function (params, noRedraw) { + + L.extend(this.wmsParams, params); + + if (!noRedraw) { + this.redraw(); + } + + return this; + } +}); + +L.tileLayer.wms = function (url, options) { + return new L.TileLayer.WMS(url, options); +}; + + +/* + * L.TileLayer.Canvas is a class that you can use as a base for creating + * dynamically drawn Canvas-based tile layers. + */ + +L.TileLayer.Canvas = L.TileLayer.extend({ + options: { + async: false + }, + + initialize: function (options) { + L.setOptions(this, options); + }, + + redraw: function () { + if (this._map) { + this._reset({hard: true}); + this._update(); + } + + for (var i in this._tiles) { + this._redrawTile(this._tiles[i]); + } + return this; + }, + + _redrawTile: function (tile) { + this.drawTile(tile, tile._tilePoint, this._map._zoom); + }, + + _createTile: function () { + var tile = L.DomUtil.create('canvas', 'leaflet-tile'); + tile.width = tile.height = this.options.tileSize; + tile.onselectstart = tile.onmousemove = L.Util.falseFn; + return tile; + }, + + _loadTile: function (tile, tilePoint) { + tile._layer = this; + tile._tilePoint = tilePoint; + + this._redrawTile(tile); + + if (!this.options.async) { + this.tileDrawn(tile); + } + }, + + drawTile: function (/*tile, tilePoint*/) { + // override with rendering code + }, + + tileDrawn: function (tile) { + this._tileOnLoad.call(tile); + } +}); + + +L.tileLayer.canvas = function (options) { + return new L.TileLayer.Canvas(options); +}; + + +/* + * L.ImageOverlay is used to overlay images over the map (to specific geographical bounds). + */ + +L.ImageOverlay = L.Class.extend({ + includes: L.Mixin.Events, + + options: { + opacity: 1 + }, + + initialize: function (url, bounds, options) { // (String, LatLngBounds, Object) + this._url = url; + this._bounds = L.latLngBounds(bounds); + + L.setOptions(this, options); + }, + + onAdd: function (map) { + this._map = map; + + if (!this._image) { + this._initImage(); + } + + map._panes.overlayPane.appendChild(this._image); + + map.on('viewreset', this._reset, this); + + if (map.options.zoomAnimation && L.Browser.any3d) { + map.on('zoomanim', this._animateZoom, this); + } + + this._reset(); + }, + + onRemove: function (map) { + map.getPanes().overlayPane.removeChild(this._image); + + map.off('viewreset', this._reset, this); + + if (map.options.zoomAnimation) { + map.off('zoomanim', this._animateZoom, this); + } + }, + + addTo: function (map) { + map.addLayer(this); + return this; + }, + + setOpacity: function (opacity) { + this.options.opacity = opacity; + this._updateOpacity(); + return this; + }, + + // TODO remove bringToFront/bringToBack duplication from TileLayer/Path + bringToFront: function () { + if (this._image) { + this._map._panes.overlayPane.appendChild(this._image); + } + return this; + }, + + bringToBack: function () { + var pane = this._map._panes.overlayPane; + if (this._image) { + pane.insertBefore(this._image, pane.firstChild); + } + return this; + }, + + setUrl: function (url) { + this._url = url; + this._image.src = this._url; + }, + + getAttribution: function () { + return this.options.attribution; + }, + + _initImage: function () { + this._image = L.DomUtil.create('img', 'leaflet-image-layer'); + + if (this._map.options.zoomAnimation && L.Browser.any3d) { + L.DomUtil.addClass(this._image, 'leaflet-zoom-animated'); + } else { + L.DomUtil.addClass(this._image, 'leaflet-zoom-hide'); + } + + this._updateOpacity(); + + //TODO createImage util method to remove duplication + L.extend(this._image, { + galleryimg: 'no', + onselectstart: L.Util.falseFn, + onmousemove: L.Util.falseFn, + onload: L.bind(this._onImageLoad, this), + src: this._url + }); + }, + + _animateZoom: function (e) { + var map = this._map, + image = this._image, + scale = map.getZoomScale(e.zoom), + nw = this._bounds.getNorthWest(), + se = this._bounds.getSouthEast(), + + topLeft = map._latLngToNewLayerPoint(nw, e.zoom, e.center), + size = map._latLngToNewLayerPoint(se, e.zoom, e.center)._subtract(topLeft), + origin = topLeft._add(size._multiplyBy((1 / 2) * (1 - 1 / scale))); + + image.style[L.DomUtil.TRANSFORM] = + L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') '; + }, + + _reset: function () { + var image = this._image, + topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()), + size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft); + + L.DomUtil.setPosition(image, topLeft); + + image.style.width = size.x + 'px'; + image.style.height = size.y + 'px'; + }, + + _onImageLoad: function () { + this.fire('load'); + }, + + _updateOpacity: function () { + L.DomUtil.setOpacity(this._image, this.options.opacity); + } +}); + +L.imageOverlay = function (url, bounds, options) { + return new L.ImageOverlay(url, bounds, options); +}; + + +/* + * L.Icon is an image-based icon class that you can use with L.Marker for custom markers. + */ + +L.Icon = L.Class.extend({ + options: { + /* + iconUrl: (String) (required) + iconRetinaUrl: (String) (optional, used for retina devices if detected) + iconSize: (Point) (can be set through CSS) + iconAnchor: (Point) (centered by default, can be set in CSS with negative margins) + popupAnchor: (Point) (if not specified, popup opens in the anchor point) + shadowUrl: (String) (no shadow by default) + shadowRetinaUrl: (String) (optional, used for retina devices if detected) + shadowSize: (Point) + shadowAnchor: (Point) + */ + className: '' + }, + + initialize: function (options) { + L.setOptions(this, options); + }, + + createIcon: function (oldIcon) { + return this._createIcon('icon', oldIcon); + }, + + createShadow: function (oldIcon) { + return this._createIcon('shadow', oldIcon); + }, + + _createIcon: function (name, oldIcon) { + var src = this._getIconUrl(name); + + if (!src) { + if (name === 'icon') { + throw new Error('iconUrl not set in Icon options (see the docs).'); + } + return null; + } + + var img; + if (!oldIcon || oldIcon.tagName !== 'IMG') { + img = this._createImg(src); + } else { + img = this._createImg(src, oldIcon); + } + this._setIconStyles(img, name); + + return img; + }, + + _setIconStyles: function (img, name) { + var options = this.options, + size = L.point(options[name + 'Size']), + anchor; + + if (name === 'shadow') { + anchor = L.point(options.shadowAnchor || options.iconAnchor); + } else { + anchor = L.point(options.iconAnchor); + } + + if (!anchor && size) { + anchor = size.divideBy(2, true); + } + + img.className = 'leaflet-marker-' + name + ' ' + options.className; + + if (anchor) { + img.style.marginLeft = (-anchor.x) + 'px'; + img.style.marginTop = (-anchor.y) + 'px'; + } + + if (size) { + img.style.width = size.x + 'px'; + img.style.height = size.y + 'px'; + } + }, + + _createImg: function (src, el) { + el = el || document.createElement('img'); + el.src = src; + return el; + }, + + _getIconUrl: function (name) { + if (L.Browser.retina && this.options[name + 'RetinaUrl']) { + return this.options[name + 'RetinaUrl']; + } + return this.options[name + 'Url']; + } +}); + +L.icon = function (options) { + return new L.Icon(options); +}; + + +/* + * L.Icon.Default is the blue marker icon used by default in Leaflet. + */ + +L.Icon.Default = L.Icon.extend({ + + options: { + iconSize: [25, 41], + iconAnchor: [12, 41], + popupAnchor: [1, -34], + + shadowSize: [41, 41] + }, + + _getIconUrl: function (name) { + var key = name + 'Url'; + + if (this.options[key]) { + return this.options[key]; + } + + if (L.Browser.retina && name === 'icon') { + name += '-2x'; + } + + var path = L.Icon.Default.imagePath; + + if (!path) { + throw new Error('Couldn\'t autodetect L.Icon.Default.imagePath, set it manually.'); + } + + return path + '/marker-' + name + '.png'; + } +}); + +L.Icon.Default.imagePath = (function () { + var scripts = document.getElementsByTagName('script'), + leafletRe = /[\/^]leaflet[\-\._]?([\w\-\._]*)\.js\??/; + + var i, len, src, matches, path; + + for (i = 0, len = scripts.length; i < len; i++) { + src = scripts[i].src; + matches = src.match(leafletRe); + + if (matches) { + path = src.split(leafletRe)[0]; + return (path ? path + '/' : '') + 'images'; + } + } +}()); + + +/* + * L.Marker is used to display clickable/draggable icons on the map. + */ + +L.Marker = L.Class.extend({ + + includes: L.Mixin.Events, + + options: { + icon: new L.Icon.Default(), + title: '', + alt: '', + clickable: true, + draggable: false, + keyboard: true, + zIndexOffset: 0, + opacity: 1, + riseOnHover: false, + riseOffset: 250 + }, + + initialize: function (latlng, options) { + L.setOptions(this, options); + this._latlng = L.latLng(latlng); + }, + + onAdd: function (map) { + this._map = map; + + map.on('viewreset', this.update, this); + + this._initIcon(); + this.update(); + this.fire('add'); + + if (map.options.zoomAnimation && map.options.markerZoomAnimation) { + map.on('zoomanim', this._animateZoom, this); + } + }, + + addTo: function (map) { + map.addLayer(this); + return this; + }, + + onRemove: function (map) { + if (this.dragging) { + this.dragging.disable(); + } + + this._removeIcon(); + this._removeShadow(); + + this.fire('remove'); + + map.off({ + 'viewreset': this.update, + 'zoomanim': this._animateZoom + }, this); + + this._map = null; + }, + + getLatLng: function () { + return this._latlng; + }, + + setLatLng: function (latlng) { + this._latlng = L.latLng(latlng); + + this.update(); + + return this.fire('move', { latlng: this._latlng }); + }, + + setZIndexOffset: function (offset) { + this.options.zIndexOffset = offset; + this.update(); + + return this; + }, + + setIcon: function (icon) { + + this.options.icon = icon; + + if (this._map) { + this._initIcon(); + this.update(); + } + + if (this._popup) { + this.bindPopup(this._popup); + } + + return this; + }, + + update: function () { + if (this._icon) { + this._setPos(this._map.latLngToLayerPoint(this._latlng).round()); + } + return this; + }, + + _initIcon: function () { + var options = this.options, + map = this._map, + animation = (map.options.zoomAnimation && map.options.markerZoomAnimation), + classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide'; + + var icon = options.icon.createIcon(this._icon), + addIcon = false; + + // if we're not reusing the icon, remove the old one and init new one + if (icon !== this._icon) { + if (this._icon) { + this._removeIcon(); + } + addIcon = true; + + if (options.title) { + icon.title = options.title; + } + + if (options.alt) { + icon.alt = options.alt; + } + } + + L.DomUtil.addClass(icon, classToAdd); + + if (options.keyboard) { + icon.tabIndex = '0'; + } + + this._icon = icon; + + this._initInteraction(); + + if (options.riseOnHover) { + L.DomEvent + .on(icon, 'mouseover', this._bringToFront, this) + .on(icon, 'mouseout', this._resetZIndex, this); + } + + var newShadow = options.icon.createShadow(this._shadow), + addShadow = false; + + if (newShadow !== this._shadow) { + this._removeShadow(); + addShadow = true; + } + + if (newShadow) { + L.DomUtil.addClass(newShadow, classToAdd); + } + this._shadow = newShadow; + + + if (options.opacity < 1) { + this._updateOpacity(); + } + + + var panes = this._map._panes; + + if (addIcon) { + panes.markerPane.appendChild(this._icon); + } + + if (newShadow && addShadow) { + panes.shadowPane.appendChild(this._shadow); + } + }, + + _removeIcon: function () { + if (this.options.riseOnHover) { + L.DomEvent + .off(this._icon, 'mouseover', this._bringToFront) + .off(this._icon, 'mouseout', this._resetZIndex); + } + + this._map._panes.markerPane.removeChild(this._icon); + + this._icon = null; + }, + + _removeShadow: function () { + if (this._shadow) { + this._map._panes.shadowPane.removeChild(this._shadow); + } + this._shadow = null; + }, + + _setPos: function (pos) { + L.DomUtil.setPosition(this._icon, pos); + + if (this._shadow) { + L.DomUtil.setPosition(this._shadow, pos); + } + + this._zIndex = pos.y + this.options.zIndexOffset; + + this._resetZIndex(); + }, + + _updateZIndex: function (offset) { + this._icon.style.zIndex = this._zIndex + offset; + }, + + _animateZoom: function (opt) { + var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center).round(); + + this._setPos(pos); + }, + + _initInteraction: function () { + + if (!this.options.clickable) { return; } + + // TODO refactor into something shared with Map/Path/etc. to DRY it up + + var icon = this._icon, + events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'contextmenu']; + + L.DomUtil.addClass(icon, 'leaflet-clickable'); + L.DomEvent.on(icon, 'click', this._onMouseClick, this); + L.DomEvent.on(icon, 'keypress', this._onKeyPress, this); + + for (var i = 0; i < events.length; i++) { + L.DomEvent.on(icon, events[i], this._fireMouseEvent, this); + } + + if (L.Handler.MarkerDrag) { + this.dragging = new L.Handler.MarkerDrag(this); + + if (this.options.draggable) { + this.dragging.enable(); + } + } + }, + + _onMouseClick: function (e) { + var wasDragged = this.dragging && this.dragging.moved(); + + if (this.hasEventListeners(e.type) || wasDragged) { + L.DomEvent.stopPropagation(e); + } + + if (wasDragged) { return; } + + if ((!this.dragging || !this.dragging._enabled) && this._map.dragging && this._map.dragging.moved()) { return; } + + this.fire(e.type, { + originalEvent: e, + latlng: this._latlng + }); + }, + + _onKeyPress: function (e) { + if (e.keyCode === 13) { + this.fire('click', { + originalEvent: e, + latlng: this._latlng + }); + } + }, + + _fireMouseEvent: function (e) { + + this.fire(e.type, { + originalEvent: e, + latlng: this._latlng + }); + + // TODO proper custom event propagation + // this line will always be called if marker is in a FeatureGroup + if (e.type === 'contextmenu' && this.hasEventListeners(e.type)) { + L.DomEvent.preventDefault(e); + } + if (e.type !== 'mousedown') { + L.DomEvent.stopPropagation(e); + } else { + L.DomEvent.preventDefault(e); + } + }, + + setOpacity: function (opacity) { + this.options.opacity = opacity; + if (this._map) { + this._updateOpacity(); + } + + return this; + }, + + _updateOpacity: function () { + L.DomUtil.setOpacity(this._icon, this.options.opacity); + if (this._shadow) { + L.DomUtil.setOpacity(this._shadow, this.options.opacity); + } + }, + + _bringToFront: function () { + this._updateZIndex(this.options.riseOffset); + }, + + _resetZIndex: function () { + this._updateZIndex(0); + } +}); + +L.marker = function (latlng, options) { + return new L.Marker(latlng, options); +}; + + +/* + * L.DivIcon is a lightweight HTML-based icon class (as opposed to the image-based L.Icon) + * to use with L.Marker. + */ + +L.DivIcon = L.Icon.extend({ + options: { + iconSize: [12, 12], // also can be set through CSS + /* + iconAnchor: (Point) + popupAnchor: (Point) + html: (String) + bgPos: (Point) + */ + className: 'leaflet-div-icon', + html: false + }, + + createIcon: function (oldIcon) { + var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'), + options = this.options; + + if (options.html !== false) { + div.innerHTML = options.html; + } else { + div.innerHTML = ''; + } + + if (options.bgPos) { + div.style.backgroundPosition = + (-options.bgPos.x) + 'px ' + (-options.bgPos.y) + 'px'; + } + + this._setIconStyles(div, 'icon'); + return div; + }, + + createShadow: function () { + return null; + } +}); + +L.divIcon = function (options) { + return new L.DivIcon(options); +}; + + +/* + * L.Popup is used for displaying popups on the map. + */ + +L.Map.mergeOptions({ + closePopupOnClick: true +}); + +L.Popup = L.Class.extend({ + includes: L.Mixin.Events, + + options: { + minWidth: 50, + maxWidth: 300, + // maxHeight: null, + autoPan: true, + closeButton: true, + offset: [0, 7], + autoPanPadding: [5, 5], + // autoPanPaddingTopLeft: null, + // autoPanPaddingBottomRight: null, + keepInView: false, + className: '', + zoomAnimation: true + }, + + initialize: function (options, source) { + L.setOptions(this, options); + + this._source = source; + this._animated = L.Browser.any3d && this.options.zoomAnimation; + this._isOpen = false; + }, + + onAdd: function (map) { + this._map = map; + + if (!this._container) { + this._initLayout(); + } + + var animFade = map.options.fadeAnimation; + + if (animFade) { + L.DomUtil.setOpacity(this._container, 0); + } + map._panes.popupPane.appendChild(this._container); + + map.on(this._getEvents(), this); + + this.update(); + + if (animFade) { + L.DomUtil.setOpacity(this._container, 1); + } + + this.fire('open'); + + map.fire('popupopen', {popup: this}); + + if (this._source) { + this._source.fire('popupopen', {popup: this}); + } + }, + + addTo: function (map) { + map.addLayer(this); + return this; + }, + + openOn: function (map) { + map.openPopup(this); + return this; + }, + + onRemove: function (map) { + map._panes.popupPane.removeChild(this._container); + + L.Util.falseFn(this._container.offsetWidth); // force reflow + + map.off(this._getEvents(), this); + + if (map.options.fadeAnimation) { + L.DomUtil.setOpacity(this._container, 0); + } + + this._map = null; + + this.fire('close'); + + map.fire('popupclose', {popup: this}); + + if (this._source) { + this._source.fire('popupclose', {popup: this}); + } + }, + + getLatLng: function () { + return this._latlng; + }, + + setLatLng: function (latlng) { + this._latlng = L.latLng(latlng); + if (this._map) { + this._updatePosition(); + this._adjustPan(); + } + return this; + }, + + getContent: function () { + return this._content; + }, + + setContent: function (content) { + this._content = content; + this.update(); + return this; + }, + + update: function () { + if (!this._map) { return; } + + this._container.style.visibility = 'hidden'; + + this._updateContent(); + this._updateLayout(); + this._updatePosition(); + + this._container.style.visibility = ''; + + this._adjustPan(); + }, + + _getEvents: function () { + var events = { + viewreset: this._updatePosition + }; + + if (this._animated) { + events.zoomanim = this._zoomAnimation; + } + if ('closeOnClick' in this.options ? this.options.closeOnClick : this._map.options.closePopupOnClick) { + events.preclick = this._close; + } + if (this.options.keepInView) { + events.moveend = this._adjustPan; + } + + return events; + }, + + _close: function () { + if (this._map) { + this._map.closePopup(this); + } + }, + + _initLayout: function () { + var prefix = 'leaflet-popup', + containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-' + + (this._animated ? 'animated' : 'hide'), + container = this._container = L.DomUtil.create('div', containerClass), + closeButton; + + if (this.options.closeButton) { + closeButton = this._closeButton = + L.DomUtil.create('a', prefix + '-close-button', container); + closeButton.href = '#close'; + closeButton.innerHTML = '×'; + L.DomEvent.disableClickPropagation(closeButton); + + L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this); + } + + var wrapper = this._wrapper = + L.DomUtil.create('div', prefix + '-content-wrapper', container); + L.DomEvent.disableClickPropagation(wrapper); + + this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper); + + L.DomEvent.disableScrollPropagation(this._contentNode); + L.DomEvent.on(wrapper, 'contextmenu', L.DomEvent.stopPropagation); + + this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container); + this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer); + }, + + _updateContent: function () { + if (!this._content) { return; } + + if (typeof this._content === 'string') { + this._contentNode.innerHTML = this._content; + } else { + while (this._contentNode.hasChildNodes()) { + this._contentNode.removeChild(this._contentNode.firstChild); + } + this._contentNode.appendChild(this._content); + } + this.fire('contentupdate'); + }, + + _updateLayout: function () { + var container = this._contentNode, + style = container.style; + + style.width = ''; + style.whiteSpace = 'nowrap'; + + var width = container.offsetWidth; + width = Math.min(width, this.options.maxWidth); + width = Math.max(width, this.options.minWidth); + + style.width = (width + 1) + 'px'; + style.whiteSpace = ''; + + style.height = ''; + + var height = container.offsetHeight, + maxHeight = this.options.maxHeight, + scrolledClass = 'leaflet-popup-scrolled'; + + if (maxHeight && height > maxHeight) { + style.height = maxHeight + 'px'; + L.DomUtil.addClass(container, scrolledClass); + } else { + L.DomUtil.removeClass(container, scrolledClass); + } + + this._containerWidth = this._container.offsetWidth; + }, + + _updatePosition: function () { + if (!this._map) { return; } + + var pos = this._map.latLngToLayerPoint(this._latlng), + animated = this._animated, + offset = L.point(this.options.offset); + + if (animated) { + L.DomUtil.setPosition(this._container, pos); + } + + this._containerBottom = -offset.y - (animated ? 0 : pos.y); + this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (animated ? 0 : pos.x); + + // bottom position the popup in case the height of the popup changes (images loading etc) + this._container.style.bottom = this._containerBottom + 'px'; + this._container.style.left = this._containerLeft + 'px'; + }, + + _zoomAnimation: function (opt) { + var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center); + + L.DomUtil.setPosition(this._container, pos); + }, + + _adjustPan: function () { + if (!this.options.autoPan) { return; } + + var map = this._map, + containerHeight = this._container.offsetHeight, + containerWidth = this._containerWidth, + + layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom); + + if (this._animated) { + layerPos._add(L.DomUtil.getPosition(this._container)); + } + + var containerPos = map.layerPointToContainerPoint(layerPos), + padding = L.point(this.options.autoPanPadding), + paddingTL = L.point(this.options.autoPanPaddingTopLeft || padding), + paddingBR = L.point(this.options.autoPanPaddingBottomRight || padding), + size = map.getSize(), + dx = 0, + dy = 0; + + if (containerPos.x + containerWidth + paddingBR.x > size.x) { // right + dx = containerPos.x + containerWidth - size.x + paddingBR.x; + } + if (containerPos.x - dx - paddingTL.x < 0) { // left + dx = containerPos.x - paddingTL.x; + } + if (containerPos.y + containerHeight + paddingBR.y > size.y) { // bottom + dy = containerPos.y + containerHeight - size.y + paddingBR.y; + } + if (containerPos.y - dy - paddingTL.y < 0) { // top + dy = containerPos.y - paddingTL.y; + } + + if (dx || dy) { + map + .fire('autopanstart') + .panBy([dx, dy]); + } + }, + + _onCloseButtonClick: function (e) { + this._close(); + L.DomEvent.stop(e); + } +}); + +L.popup = function (options, source) { + return new L.Popup(options, source); +}; + + +L.Map.include({ + openPopup: function (popup, latlng, options) { // (Popup) or (String || HTMLElement, LatLng[, Object]) + this.closePopup(); + + if (!(popup instanceof L.Popup)) { + var content = popup; + + popup = new L.Popup(options) + .setLatLng(latlng) + .setContent(content); + } + popup._isOpen = true; + + this._popup = popup; + return this.addLayer(popup); + }, + + closePopup: function (popup) { + if (!popup || popup === this._popup) { + popup = this._popup; + this._popup = null; + } + if (popup) { + this.removeLayer(popup); + popup._isOpen = false; + } + return this; + } +}); + + +/* + * Popup extension to L.Marker, adding popup-related methods. + */ + +L.Marker.include({ + openPopup: function () { + if (this._popup && this._map && !this._map.hasLayer(this._popup)) { + this._popup.setLatLng(this._latlng); + this._map.openPopup(this._popup); + } + + return this; + }, + + closePopup: function () { + if (this._popup) { + this._popup._close(); + } + return this; + }, + + togglePopup: function () { + if (this._popup) { + if (this._popup._isOpen) { + this.closePopup(); + } else { + this.openPopup(); + } + } + return this; + }, + + bindPopup: function (content, options) { + var anchor = L.point(this.options.icon.options.popupAnchor || [0, 0]); + + anchor = anchor.add(L.Popup.prototype.options.offset); + + if (options && options.offset) { + anchor = anchor.add(options.offset); + } + + options = L.extend({offset: anchor}, options); + + if (!this._popupHandlersAdded) { + this + .on('click', this.togglePopup, this) + .on('remove', this.closePopup, this) + .on('move', this._movePopup, this); + this._popupHandlersAdded = true; + } + + if (content instanceof L.Popup) { + L.setOptions(content, options); + this._popup = content; + content._source = this; + } else { + this._popup = new L.Popup(options, this) + .setContent(content); + } + + return this; + }, + + setPopupContent: function (content) { + if (this._popup) { + this._popup.setContent(content); + } + return this; + }, + + unbindPopup: function () { + if (this._popup) { + this._popup = null; + this + .off('click', this.togglePopup, this) + .off('remove', this.closePopup, this) + .off('move', this._movePopup, this); + this._popupHandlersAdded = false; + } + return this; + }, + + getPopup: function () { + return this._popup; + }, + + _movePopup: function (e) { + this._popup.setLatLng(e.latlng); + } +}); + + +/* + * L.LayerGroup is a class to combine several layers into one so that + * you can manipulate the group (e.g. add/remove it) as one layer. + */ + +L.LayerGroup = L.Class.extend({ + initialize: function (layers) { + this._layers = {}; + + var i, len; + + if (layers) { + for (i = 0, len = layers.length; i < len; i++) { + this.addLayer(layers[i]); + } + } + }, + + addLayer: function (layer) { + var id = this.getLayerId(layer); + + this._layers[id] = layer; + + if (this._map) { + this._map.addLayer(layer); + } + + return this; + }, + + removeLayer: function (layer) { + var id = layer in this._layers ? layer : this.getLayerId(layer); + + if (this._map && this._layers[id]) { + this._map.removeLayer(this._layers[id]); + } + + delete this._layers[id]; + + return this; + }, + + hasLayer: function (layer) { + if (!layer) { return false; } + + return (layer in this._layers || this.getLayerId(layer) in this._layers); + }, + + clearLayers: function () { + this.eachLayer(this.removeLayer, this); + return this; + }, + + invoke: function (methodName) { + var args = Array.prototype.slice.call(arguments, 1), + i, layer; + + for (i in this._layers) { + layer = this._layers[i]; + + if (layer[methodName]) { + layer[methodName].apply(layer, args); + } + } + + return this; + }, + + onAdd: function (map) { + this._map = map; + this.eachLayer(map.addLayer, map); + }, + + onRemove: function (map) { + this.eachLayer(map.removeLayer, map); + this._map = null; + }, + + addTo: function (map) { + map.addLayer(this); + return this; + }, + + eachLayer: function (method, context) { + for (var i in this._layers) { + method.call(context, this._layers[i]); + } + return this; + }, + + getLayer: function (id) { + return this._layers[id]; + }, + + getLayers: function () { + var layers = []; + + for (var i in this._layers) { + layers.push(this._layers[i]); + } + return layers; + }, + + setZIndex: function (zIndex) { + return this.invoke('setZIndex', zIndex); + }, + + getLayerId: function (layer) { + return L.stamp(layer); + } +}); + +L.layerGroup = function (layers) { + return new L.LayerGroup(layers); +}; + + +/* + * L.FeatureGroup extends L.LayerGroup by introducing mouse events and additional methods + * shared between a group of interactive layers (like vectors or markers). + */ + +L.FeatureGroup = L.LayerGroup.extend({ + includes: L.Mixin.Events, + + statics: { + EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu popupopen popupclose' + }, + + addLayer: function (layer) { + if (this.hasLayer(layer)) { + return this; + } + + if ('on' in layer) { + layer.on(L.FeatureGroup.EVENTS, this._propagateEvent, this); + } + + L.LayerGroup.prototype.addLayer.call(this, layer); + + if (this._popupContent && layer.bindPopup) { + layer.bindPopup(this._popupContent, this._popupOptions); + } + + return this.fire('layeradd', {layer: layer}); + }, + + removeLayer: function (layer) { + if (!this.hasLayer(layer)) { + return this; + } + if (layer in this._layers) { + layer = this._layers[layer]; + } + + if ('off' in layer) { + layer.off(L.FeatureGroup.EVENTS, this._propagateEvent, this); + } + + L.LayerGroup.prototype.removeLayer.call(this, layer); + + if (this._popupContent) { + this.invoke('unbindPopup'); + } + + return this.fire('layerremove', {layer: layer}); + }, + + bindPopup: function (content, options) { + this._popupContent = content; + this._popupOptions = options; + return this.invoke('bindPopup', content, options); + }, + + openPopup: function (latlng) { + // open popup on the first layer + for (var id in this._layers) { + this._layers[id].openPopup(latlng); + break; + } + return this; + }, + + setStyle: function (style) { + return this.invoke('setStyle', style); + }, + + bringToFront: function () { + return this.invoke('bringToFront'); + }, + + bringToBack: function () { + return this.invoke('bringToBack'); + }, + + getBounds: function () { + var bounds = new L.LatLngBounds(); + + this.eachLayer(function (layer) { + bounds.extend(layer instanceof L.Marker ? layer.getLatLng() : layer.getBounds()); + }); + + return bounds; + }, + + _propagateEvent: function (e) { + e = L.extend({ + layer: e.target, + target: this + }, e); + this.fire(e.type, e); + } +}); + +L.featureGroup = function (layers) { + return new L.FeatureGroup(layers); +}; + + +/* + * L.Path is a base class for rendering vector paths on a map. Inherited by Polyline, Circle, etc. + */ + +L.Path = L.Class.extend({ + includes: [L.Mixin.Events], + + statics: { + // how much to extend the clip area around the map view + // (relative to its size, e.g. 0.5 is half the screen in each direction) + // set it so that SVG element doesn't exceed 1280px (vectors flicker on dragend if it is) + CLIP_PADDING: (function () { + var max = L.Browser.mobile ? 1280 : 2000, + target = (max / Math.max(window.outerWidth, window.outerHeight) - 1) / 2; + return Math.max(0, Math.min(0.5, target)); + })() + }, + + options: { + stroke: true, + color: '#0033ff', + dashArray: null, + lineCap: null, + lineJoin: null, + weight: 5, + opacity: 0.5, + + fill: false, + fillColor: null, //same as color by default + fillOpacity: 0.2, + + clickable: true + }, + + initialize: function (options) { + L.setOptions(this, options); + }, + + onAdd: function (map) { + this._map = map; + + if (!this._container) { + this._initElements(); + this._initEvents(); + } + + this.projectLatlngs(); + this._updatePath(); + + if (this._container) { + this._map._pathRoot.appendChild(this._container); + } + + this.fire('add'); + + map.on({ + 'viewreset': this.projectLatlngs, + 'moveend': this._updatePath + }, this); + }, + + addTo: function (map) { + map.addLayer(this); + return this; + }, + + onRemove: function (map) { + map._pathRoot.removeChild(this._container); + + // Need to fire remove event before we set _map to null as the event hooks might need the object + this.fire('remove'); + this._map = null; + + if (L.Browser.vml) { + this._container = null; + this._stroke = null; + this._fill = null; + } + + map.off({ + 'viewreset': this.projectLatlngs, + 'moveend': this._updatePath + }, this); + }, + + projectLatlngs: function () { + // do all projection stuff here + }, + + setStyle: function (style) { + L.setOptions(this, style); + + if (this._container) { + this._updateStyle(); + } + + return this; + }, + + redraw: function () { + if (this._map) { + this.projectLatlngs(); + this._updatePath(); + } + return this; + } +}); + +L.Map.include({ + _updatePathViewport: function () { + var p = L.Path.CLIP_PADDING, + size = this.getSize(), + panePos = L.DomUtil.getPosition(this._mapPane), + min = panePos.multiplyBy(-1)._subtract(size.multiplyBy(p)._round()), + max = min.add(size.multiplyBy(1 + p * 2)._round()); + + this._pathViewport = new L.Bounds(min, max); + } +}); + + +/* + * Extends L.Path with SVG-specific rendering code. + */ + +L.Path.SVG_NS = 'http://www.w3.org/2000/svg'; + +L.Browser.svg = !!(document.createElementNS && document.createElementNS(L.Path.SVG_NS, 'svg').createSVGRect); + +L.Path = L.Path.extend({ + statics: { + SVG: L.Browser.svg + }, + + bringToFront: function () { + var root = this._map._pathRoot, + path = this._container; + + if (path && root.lastChild !== path) { + root.appendChild(path); + } + return this; + }, + + bringToBack: function () { + var root = this._map._pathRoot, + path = this._container, + first = root.firstChild; + + if (path && first !== path) { + root.insertBefore(path, first); + } + return this; + }, + + getPathString: function () { + // form path string here + }, + + _createElement: function (name) { + return document.createElementNS(L.Path.SVG_NS, name); + }, + + _initElements: function () { + this._map._initPathRoot(); + this._initPath(); + this._initStyle(); + }, + + _initPath: function () { + this._container = this._createElement('g'); + + this._path = this._createElement('path'); + + if (this.options.className) { + L.DomUtil.addClass(this._path, this.options.className); + } + + this._container.appendChild(this._path); + }, + + _initStyle: function () { + if (this.options.stroke) { + this._path.setAttribute('stroke-linejoin', 'round'); + this._path.setAttribute('stroke-linecap', 'round'); + } + if (this.options.fill) { + this._path.setAttribute('fill-rule', 'evenodd'); + } + if (this.options.pointerEvents) { + this._path.setAttribute('pointer-events', this.options.pointerEvents); + } + if (!this.options.clickable && !this.options.pointerEvents) { + this._path.setAttribute('pointer-events', 'none'); + } + this._updateStyle(); + }, + + _updateStyle: function () { + if (this.options.stroke) { + this._path.setAttribute('stroke', this.options.color); + this._path.setAttribute('stroke-opacity', this.options.opacity); + this._path.setAttribute('stroke-width', this.options.weight); + if (this.options.dashArray) { + this._path.setAttribute('stroke-dasharray', this.options.dashArray); + } else { + this._path.removeAttribute('stroke-dasharray'); + } + if (this.options.lineCap) { + this._path.setAttribute('stroke-linecap', this.options.lineCap); + } + if (this.options.lineJoin) { + this._path.setAttribute('stroke-linejoin', this.options.lineJoin); + } + } else { + this._path.setAttribute('stroke', 'none'); + } + if (this.options.fill) { + this._path.setAttribute('fill', this.options.fillColor || this.options.color); + this._path.setAttribute('fill-opacity', this.options.fillOpacity); + } else { + this._path.setAttribute('fill', 'none'); + } + }, + + _updatePath: function () { + var str = this.getPathString(); + if (!str) { + // fix webkit empty string parsing bug + str = 'M0 0'; + } + this._path.setAttribute('d', str); + }, + + // TODO remove duplication with L.Map + _initEvents: function () { + if (this.options.clickable) { + if (L.Browser.svg || !L.Browser.vml) { + L.DomUtil.addClass(this._path, 'leaflet-clickable'); + } + + L.DomEvent.on(this._container, 'click', this._onMouseClick, this); + + var events = ['dblclick', 'mousedown', 'mouseover', + 'mouseout', 'mousemove', 'contextmenu']; + for (var i = 0; i < events.length; i++) { + L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this); + } + } + }, + + _onMouseClick: function (e) { + if (this._map.dragging && this._map.dragging.moved()) { return; } + + this._fireMouseEvent(e); + }, + + _fireMouseEvent: function (e) { + if (!this._map || !this.hasEventListeners(e.type)) { return; } + + var map = this._map, + containerPoint = map.mouseEventToContainerPoint(e), + layerPoint = map.containerPointToLayerPoint(containerPoint), + latlng = map.layerPointToLatLng(layerPoint); + + this.fire(e.type, { + latlng: latlng, + layerPoint: layerPoint, + containerPoint: containerPoint, + originalEvent: e + }); + + if (e.type === 'contextmenu') { + L.DomEvent.preventDefault(e); + } + if (e.type !== 'mousemove') { + L.DomEvent.stopPropagation(e); + } + } +}); + +L.Map.include({ + _initPathRoot: function () { + if (!this._pathRoot) { + this._pathRoot = L.Path.prototype._createElement('svg'); + this._panes.overlayPane.appendChild(this._pathRoot); + + if (this.options.zoomAnimation && L.Browser.any3d) { + L.DomUtil.addClass(this._pathRoot, 'leaflet-zoom-animated'); + + this.on({ + 'zoomanim': this._animatePathZoom, + 'zoomend': this._endPathZoom + }); + } else { + L.DomUtil.addClass(this._pathRoot, 'leaflet-zoom-hide'); + } + + this.on('moveend', this._updateSvgViewport); + this._updateSvgViewport(); + } + }, + + _animatePathZoom: function (e) { + var scale = this.getZoomScale(e.zoom), + offset = this._getCenterOffset(e.center)._multiplyBy(-scale)._add(this._pathViewport.min); + + this._pathRoot.style[L.DomUtil.TRANSFORM] = + L.DomUtil.getTranslateString(offset) + ' scale(' + scale + ') '; + + this._pathZooming = true; + }, + + _endPathZoom: function () { + this._pathZooming = false; + }, + + _updateSvgViewport: function () { + + if (this._pathZooming) { + // Do not update SVGs while a zoom animation is going on otherwise the animation will break. + // When the zoom animation ends we will be updated again anyway + // This fixes the case where you do a momentum move and zoom while the move is still ongoing. + return; + } + + this._updatePathViewport(); + + var vp = this._pathViewport, + min = vp.min, + max = vp.max, + width = max.x - min.x, + height = max.y - min.y, + root = this._pathRoot, + pane = this._panes.overlayPane; + + // Hack to make flicker on drag end on mobile webkit less irritating + if (L.Browser.mobileWebkit) { + pane.removeChild(root); + } + + L.DomUtil.setPosition(root, min); + root.setAttribute('width', width); + root.setAttribute('height', height); + root.setAttribute('viewBox', [min.x, min.y, width, height].join(' ')); + + if (L.Browser.mobileWebkit) { + pane.appendChild(root); + } + } +}); + + +/* + * Popup extension to L.Path (polylines, polygons, circles), adding popup-related methods. + */ + +L.Path.include({ + + bindPopup: function (content, options) { + + if (content instanceof L.Popup) { + this._popup = content; + } else { + if (!this._popup || options) { + this._popup = new L.Popup(options, this); + } + this._popup.setContent(content); + } + + if (!this._popupHandlersAdded) { + this + .on('click', this._openPopup, this) + .on('remove', this.closePopup, this); + + this._popupHandlersAdded = true; + } + + return this; + }, + + unbindPopup: function () { + if (this._popup) { + this._popup = null; + this + .off('click', this._openPopup) + .off('remove', this.closePopup); + + this._popupHandlersAdded = false; + } + return this; + }, + + openPopup: function (latlng) { + + if (this._popup) { + // open the popup from one of the path's points if not specified + latlng = latlng || this._latlng || + this._latlngs[Math.floor(this._latlngs.length / 2)]; + + this._openPopup({latlng: latlng}); + } + + return this; + }, + + closePopup: function () { + if (this._popup) { + this._popup._close(); + } + return this; + }, + + _openPopup: function (e) { + this._popup.setLatLng(e.latlng); + this._map.openPopup(this._popup); + } +}); + + +/* + * Vector rendering for IE6-8 through VML. + * Thanks to Dmitry Baranovsky and his Raphael library for inspiration! + */ + +L.Browser.vml = !L.Browser.svg && (function () { + try { + var div = document.createElement('div'); + div.innerHTML = ''; + + var shape = div.firstChild; + shape.style.behavior = 'url(#default#VML)'; + + return shape && (typeof shape.adj === 'object'); + + } catch (e) { + return false; + } +}()); + +L.Path = L.Browser.svg || !L.Browser.vml ? L.Path : L.Path.extend({ + statics: { + VML: true, + CLIP_PADDING: 0.02 + }, + + _createElement: (function () { + try { + document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml'); + return function (name) { + return document.createElement(''); + }; + } catch (e) { + return function (name) { + return document.createElement( + '<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">'); + }; + } + }()), + + _initPath: function () { + var container = this._container = this._createElement('shape'); + + L.DomUtil.addClass(container, 'leaflet-vml-shape' + + (this.options.className ? ' ' + this.options.className : '')); + + if (this.options.clickable) { + L.DomUtil.addClass(container, 'leaflet-clickable'); + } + + container.coordsize = '1 1'; + + this._path = this._createElement('path'); + container.appendChild(this._path); + + this._map._pathRoot.appendChild(container); + }, + + _initStyle: function () { + this._updateStyle(); + }, + + _updateStyle: function () { + var stroke = this._stroke, + fill = this._fill, + options = this.options, + container = this._container; + + container.stroked = options.stroke; + container.filled = options.fill; + + if (options.stroke) { + if (!stroke) { + stroke = this._stroke = this._createElement('stroke'); + stroke.endcap = 'round'; + container.appendChild(stroke); + } + stroke.weight = options.weight + 'px'; + stroke.color = options.color; + stroke.opacity = options.opacity; + + if (options.dashArray) { + stroke.dashStyle = L.Util.isArray(options.dashArray) ? + options.dashArray.join(' ') : + options.dashArray.replace(/( *, *)/g, ' '); + } else { + stroke.dashStyle = ''; + } + if (options.lineCap) { + stroke.endcap = options.lineCap.replace('butt', 'flat'); + } + if (options.lineJoin) { + stroke.joinstyle = options.lineJoin; + } + + } else if (stroke) { + container.removeChild(stroke); + this._stroke = null; + } + + if (options.fill) { + if (!fill) { + fill = this._fill = this._createElement('fill'); + container.appendChild(fill); + } + fill.color = options.fillColor || options.color; + fill.opacity = options.fillOpacity; + + } else if (fill) { + container.removeChild(fill); + this._fill = null; + } + }, + + _updatePath: function () { + var style = this._container.style; + + style.display = 'none'; + this._path.v = this.getPathString() + ' '; // the space fixes IE empty path string bug + style.display = ''; + } +}); + +L.Map.include(L.Browser.svg || !L.Browser.vml ? {} : { + _initPathRoot: function () { + if (this._pathRoot) { return; } + + var root = this._pathRoot = document.createElement('div'); + root.className = 'leaflet-vml-container'; + this._panes.overlayPane.appendChild(root); + + this.on('moveend', this._updatePathViewport); + this._updatePathViewport(); + } +}); + + +/* + * Vector rendering for all browsers that support canvas. + */ + +L.Browser.canvas = (function () { + return !!document.createElement('canvas').getContext; +}()); + +L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path : L.Path.extend({ + statics: { + //CLIP_PADDING: 0.02, // not sure if there's a need to set it to a small value + CANVAS: true, + SVG: false + }, + + redraw: function () { + if (this._map) { + this.projectLatlngs(); + this._requestUpdate(); + } + return this; + }, + + setStyle: function (style) { + L.setOptions(this, style); + + if (this._map) { + this._updateStyle(); + this._requestUpdate(); + } + return this; + }, + + onRemove: function (map) { + map + .off('viewreset', this.projectLatlngs, this) + .off('moveend', this._updatePath, this); + + if (this.options.clickable) { + this._map.off('click', this._onClick, this); + this._map.off('mousemove', this._onMouseMove, this); + } + + this._requestUpdate(); + + this.fire('remove'); + this._map = null; + }, + + _requestUpdate: function () { + if (this._map && !L.Path._updateRequest) { + L.Path._updateRequest = L.Util.requestAnimFrame(this._fireMapMoveEnd, this._map); + } + }, + + _fireMapMoveEnd: function () { + L.Path._updateRequest = null; + this.fire('moveend'); + }, + + _initElements: function () { + this._map._initPathRoot(); + this._ctx = this._map._canvasCtx; + }, + + _updateStyle: function () { + var options = this.options; + + if (options.stroke) { + this._ctx.lineWidth = options.weight; + this._ctx.strokeStyle = options.color; + } + if (options.fill) { + this._ctx.fillStyle = options.fillColor || options.color; + } + + if (options.lineCap) { + this._ctx.lineCap = options.lineCap; + } + if (options.lineJoin) { + this._ctx.lineJoin = options.lineJoin; + } + }, + + _drawPath: function () { + var i, j, len, len2, point, drawMethod; + + this._ctx.beginPath(); + + for (i = 0, len = this._parts.length; i < len; i++) { + for (j = 0, len2 = this._parts[i].length; j < len2; j++) { + point = this._parts[i][j]; + drawMethod = (j === 0 ? 'move' : 'line') + 'To'; + + this._ctx[drawMethod](point.x, point.y); + } + // TODO refactor ugly hack + if (this instanceof L.Polygon) { + this._ctx.closePath(); + } + } + }, + + _checkIfEmpty: function () { + return !this._parts.length; + }, + + _updatePath: function () { + if (this._checkIfEmpty()) { return; } + + var ctx = this._ctx, + options = this.options; + + this._drawPath(); + ctx.save(); + this._updateStyle(); + + if (options.fill) { + ctx.globalAlpha = options.fillOpacity; + ctx.fill(options.fillRule || 'evenodd'); + } + + if (options.stroke) { + ctx.globalAlpha = options.opacity; + ctx.stroke(); + } + + ctx.restore(); + + // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature + }, + + _initEvents: function () { + if (this.options.clickable) { + this._map.on('mousemove', this._onMouseMove, this); + this._map.on('click dblclick contextmenu', this._fireMouseEvent, this); + } + }, + + _fireMouseEvent: function (e) { + if (this._containsPoint(e.layerPoint)) { + this.fire(e.type, e); + } + }, + + _onMouseMove: function (e) { + if (!this._map || this._map._animatingZoom) { return; } + + // TODO don't do on each move + if (this._containsPoint(e.layerPoint)) { + this._ctx.canvas.style.cursor = 'pointer'; + this._mouseInside = true; + this.fire('mouseover', e); + + } else if (this._mouseInside) { + this._ctx.canvas.style.cursor = ''; + this._mouseInside = false; + this.fire('mouseout', e); + } + } +}); + +L.Map.include((L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? {} : { + _initPathRoot: function () { + var root = this._pathRoot, + ctx; + + if (!root) { + root = this._pathRoot = document.createElement('canvas'); + root.style.position = 'absolute'; + ctx = this._canvasCtx = root.getContext('2d'); + + ctx.lineCap = 'round'; + ctx.lineJoin = 'round'; + + this._panes.overlayPane.appendChild(root); + + if (this.options.zoomAnimation) { + this._pathRoot.className = 'leaflet-zoom-animated'; + this.on('zoomanim', this._animatePathZoom); + this.on('zoomend', this._endPathZoom); + } + this.on('moveend', this._updateCanvasViewport); + this._updateCanvasViewport(); + } + }, + + _updateCanvasViewport: function () { + // don't redraw while zooming. See _updateSvgViewport for more details + if (this._pathZooming) { return; } + this._updatePathViewport(); + + var vp = this._pathViewport, + min = vp.min, + size = vp.max.subtract(min), + root = this._pathRoot; + + //TODO check if this works properly on mobile webkit + L.DomUtil.setPosition(root, min); + root.width = size.x; + root.height = size.y; + root.getContext('2d').translate(-min.x, -min.y); + } +}); + + +/* + * L.LineUtil contains different utility functions for line segments + * and polylines (clipping, simplification, distances, etc.) + */ + +/*jshint bitwise:false */ // allow bitwise operations for this file + +L.LineUtil = { + + // Simplify polyline with vertex reduction and Douglas-Peucker simplification. + // Improves rendering performance dramatically by lessening the number of points to draw. + + simplify: function (/*Point[]*/ points, /*Number*/ tolerance) { + if (!tolerance || !points.length) { + return points.slice(); + } + + var sqTolerance = tolerance * tolerance; + + // stage 1: vertex reduction + points = this._reducePoints(points, sqTolerance); + + // stage 2: Douglas-Peucker simplification + points = this._simplifyDP(points, sqTolerance); + + return points; + }, + + // distance from a point to a segment between two points + pointToSegmentDistance: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) { + return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true)); + }, + + closestPointOnSegment: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) { + return this._sqClosestPointOnSegment(p, p1, p2); + }, + + // Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm + _simplifyDP: function (points, sqTolerance) { + + var len = points.length, + ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array, + markers = new ArrayConstructor(len); + + markers[0] = markers[len - 1] = 1; + + this._simplifyDPStep(points, markers, sqTolerance, 0, len - 1); + + var i, + newPoints = []; + + for (i = 0; i < len; i++) { + if (markers[i]) { + newPoints.push(points[i]); + } + } + + return newPoints; + }, + + _simplifyDPStep: function (points, markers, sqTolerance, first, last) { + + var maxSqDist = 0, + index, i, sqDist; + + for (i = first + 1; i <= last - 1; i++) { + sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true); + + if (sqDist > maxSqDist) { + index = i; + maxSqDist = sqDist; + } + } + + if (maxSqDist > sqTolerance) { + markers[index] = 1; + + this._simplifyDPStep(points, markers, sqTolerance, first, index); + this._simplifyDPStep(points, markers, sqTolerance, index, last); + } + }, + + // reduce points that are too close to each other to a single point + _reducePoints: function (points, sqTolerance) { + var reducedPoints = [points[0]]; + + for (var i = 1, prev = 0, len = points.length; i < len; i++) { + if (this._sqDist(points[i], points[prev]) > sqTolerance) { + reducedPoints.push(points[i]); + prev = i; + } + } + if (prev < len - 1) { + reducedPoints.push(points[len - 1]); + } + return reducedPoints; + }, + + // Cohen-Sutherland line clipping algorithm. + // Used to avoid rendering parts of a polyline that are not currently visible. + + clipSegment: function (a, b, bounds, useLastCode) { + var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds), + codeB = this._getBitCode(b, bounds), + + codeOut, p, newCode; + + // save 2nd code to avoid calculating it on the next segment + this._lastCode = codeB; + + while (true) { + // if a,b is inside the clip window (trivial accept) + if (!(codeA | codeB)) { + return [a, b]; + // if a,b is outside the clip window (trivial reject) + } else if (codeA & codeB) { + return false; + // other cases + } else { + codeOut = codeA || codeB; + p = this._getEdgeIntersection(a, b, codeOut, bounds); + newCode = this._getBitCode(p, bounds); + + if (codeOut === codeA) { + a = p; + codeA = newCode; + } else { + b = p; + codeB = newCode; + } + } + } + }, + + _getEdgeIntersection: function (a, b, code, bounds) { + var dx = b.x - a.x, + dy = b.y - a.y, + min = bounds.min, + max = bounds.max; + + if (code & 8) { // top + return new L.Point(a.x + dx * (max.y - a.y) / dy, max.y); + } else if (code & 4) { // bottom + return new L.Point(a.x + dx * (min.y - a.y) / dy, min.y); + } else if (code & 2) { // right + return new L.Point(max.x, a.y + dy * (max.x - a.x) / dx); + } else if (code & 1) { // left + return new L.Point(min.x, a.y + dy * (min.x - a.x) / dx); + } + }, + + _getBitCode: function (/*Point*/ p, bounds) { + var code = 0; + + if (p.x < bounds.min.x) { // left + code |= 1; + } else if (p.x > bounds.max.x) { // right + code |= 2; + } + if (p.y < bounds.min.y) { // bottom + code |= 4; + } else if (p.y > bounds.max.y) { // top + code |= 8; + } + + return code; + }, + + // square distance (to avoid unnecessary Math.sqrt calls) + _sqDist: function (p1, p2) { + var dx = p2.x - p1.x, + dy = p2.y - p1.y; + return dx * dx + dy * dy; + }, + + // return closest point on segment or distance to that point + _sqClosestPointOnSegment: function (p, p1, p2, sqDist) { + var x = p1.x, + y = p1.y, + dx = p2.x - x, + dy = p2.y - y, + dot = dx * dx + dy * dy, + t; + + if (dot > 0) { + t = ((p.x - x) * dx + (p.y - y) * dy) / dot; + + if (t > 1) { + x = p2.x; + y = p2.y; + } else if (t > 0) { + x += dx * t; + y += dy * t; + } + } + + dx = p.x - x; + dy = p.y - y; + + return sqDist ? dx * dx + dy * dy : new L.Point(x, y); + } +}; + + +/* + * L.Polyline is used to display polylines on a map. + */ + +L.Polyline = L.Path.extend({ + initialize: function (latlngs, options) { + L.Path.prototype.initialize.call(this, options); + + this._latlngs = this._convertLatLngs(latlngs); + }, + + options: { + // how much to simplify the polyline on each zoom level + // more = better performance and smoother look, less = more accurate + smoothFactor: 1.0, + noClip: false + }, + + projectLatlngs: function () { + this._originalPoints = []; + + for (var i = 0, len = this._latlngs.length; i < len; i++) { + this._originalPoints[i] = this._map.latLngToLayerPoint(this._latlngs[i]); + } + }, + + getPathString: function () { + for (var i = 0, len = this._parts.length, str = ''; i < len; i++) { + str += this._getPathPartStr(this._parts[i]); + } + return str; + }, + + getLatLngs: function () { + return this._latlngs; + }, + + setLatLngs: function (latlngs) { + this._latlngs = this._convertLatLngs(latlngs); + return this.redraw(); + }, + + addLatLng: function (latlng) { + this._latlngs.push(L.latLng(latlng)); + return this.redraw(); + }, + + spliceLatLngs: function () { // (Number index, Number howMany) + var removed = [].splice.apply(this._latlngs, arguments); + this._convertLatLngs(this._latlngs, true); + this.redraw(); + return removed; + }, + + closestLayerPoint: function (p) { + var minDistance = Infinity, parts = this._parts, p1, p2, minPoint = null; + + for (var j = 0, jLen = parts.length; j < jLen; j++) { + var points = parts[j]; + for (var i = 1, len = points.length; i < len; i++) { + p1 = points[i - 1]; + p2 = points[i]; + var sqDist = L.LineUtil._sqClosestPointOnSegment(p, p1, p2, true); + if (sqDist < minDistance) { + minDistance = sqDist; + minPoint = L.LineUtil._sqClosestPointOnSegment(p, p1, p2); + } + } + } + if (minPoint) { + minPoint.distance = Math.sqrt(minDistance); + } + return minPoint; + }, + + getBounds: function () { + return new L.LatLngBounds(this.getLatLngs()); + }, + + _convertLatLngs: function (latlngs, overwrite) { + var i, len, target = overwrite ? latlngs : []; + + for (i = 0, len = latlngs.length; i < len; i++) { + if (L.Util.isArray(latlngs[i]) && typeof latlngs[i][0] !== 'number') { + return; + } + target[i] = L.latLng(latlngs[i]); + } + return target; + }, + + _initEvents: function () { + L.Path.prototype._initEvents.call(this); + }, + + _getPathPartStr: function (points) { + var round = L.Path.VML; + + for (var j = 0, len2 = points.length, str = '', p; j < len2; j++) { + p = points[j]; + if (round) { + p._round(); + } + str += (j ? 'L' : 'M') + p.x + ' ' + p.y; + } + return str; + }, + + _clipPoints: function () { + var points = this._originalPoints, + len = points.length, + i, k, segment; + + if (this.options.noClip) { + this._parts = [points]; + return; + } + + this._parts = []; + + var parts = this._parts, + vp = this._map._pathViewport, + lu = L.LineUtil; + + for (i = 0, k = 0; i < len - 1; i++) { + segment = lu.clipSegment(points[i], points[i + 1], vp, i); + if (!segment) { + continue; + } + + parts[k] = parts[k] || []; + parts[k].push(segment[0]); + + // if segment goes out of screen, or it's the last one, it's the end of the line part + if ((segment[1] !== points[i + 1]) || (i === len - 2)) { + parts[k].push(segment[1]); + k++; + } + } + }, + + // simplify each clipped part of the polyline + _simplifyPoints: function () { + var parts = this._parts, + lu = L.LineUtil; + + for (var i = 0, len = parts.length; i < len; i++) { + parts[i] = lu.simplify(parts[i], this.options.smoothFactor); + } + }, + + _updatePath: function () { + if (!this._map) { return; } + + this._clipPoints(); + this._simplifyPoints(); + + L.Path.prototype._updatePath.call(this); + } +}); + +L.polyline = function (latlngs, options) { + return new L.Polyline(latlngs, options); +}; + + +/* + * L.PolyUtil contains utility functions for polygons (clipping, etc.). + */ + +/*jshint bitwise:false */ // allow bitwise operations here + +L.PolyUtil = {}; + +/* + * Sutherland-Hodgeman polygon clipping algorithm. + * Used to avoid rendering parts of a polygon that are not currently visible. + */ +L.PolyUtil.clipPolygon = function (points, bounds) { + var clippedPoints, + edges = [1, 4, 2, 8], + i, j, k, + a, b, + len, edge, p, + lu = L.LineUtil; + + for (i = 0, len = points.length; i < len; i++) { + points[i]._code = lu._getBitCode(points[i], bounds); + } + + // for each edge (left, bottom, right, top) + for (k = 0; k < 4; k++) { + edge = edges[k]; + clippedPoints = []; + + for (i = 0, len = points.length, j = len - 1; i < len; j = i++) { + a = points[i]; + b = points[j]; + + // if a is inside the clip window + if (!(a._code & edge)) { + // if b is outside the clip window (a->b goes out of screen) + if (b._code & edge) { + p = lu._getEdgeIntersection(b, a, edge, bounds); + p._code = lu._getBitCode(p, bounds); + clippedPoints.push(p); + } + clippedPoints.push(a); + + // else if b is inside the clip window (a->b enters the screen) + } else if (!(b._code & edge)) { + p = lu._getEdgeIntersection(b, a, edge, bounds); + p._code = lu._getBitCode(p, bounds); + clippedPoints.push(p); + } + } + points = clippedPoints; + } + + return points; +}; + + +/* + * L.Polygon is used to display polygons on a map. + */ + +L.Polygon = L.Polyline.extend({ + options: { + fill: true + }, + + initialize: function (latlngs, options) { + L.Polyline.prototype.initialize.call(this, latlngs, options); + this._initWithHoles(latlngs); + }, + + _initWithHoles: function (latlngs) { + var i, len, hole; + if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) { + this._latlngs = this._convertLatLngs(latlngs[0]); + this._holes = latlngs.slice(1); + + for (i = 0, len = this._holes.length; i < len; i++) { + hole = this._holes[i] = this._convertLatLngs(this._holes[i]); + if (hole[0].equals(hole[hole.length - 1])) { + hole.pop(); + } + } + } + + // filter out last point if its equal to the first one + latlngs = this._latlngs; + + if (latlngs.length >= 2 && latlngs[0].equals(latlngs[latlngs.length - 1])) { + latlngs.pop(); + } + }, + + projectLatlngs: function () { + L.Polyline.prototype.projectLatlngs.call(this); + + // project polygon holes points + // TODO move this logic to Polyline to get rid of duplication + this._holePoints = []; + + if (!this._holes) { return; } + + var i, j, len, len2; + + for (i = 0, len = this._holes.length; i < len; i++) { + this._holePoints[i] = []; + + for (j = 0, len2 = this._holes[i].length; j < len2; j++) { + this._holePoints[i][j] = this._map.latLngToLayerPoint(this._holes[i][j]); + } + } + }, + + setLatLngs: function (latlngs) { + if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) { + this._initWithHoles(latlngs); + return this.redraw(); + } else { + return L.Polyline.prototype.setLatLngs.call(this, latlngs); + } + }, + + _clipPoints: function () { + var points = this._originalPoints, + newParts = []; + + this._parts = [points].concat(this._holePoints); + + if (this.options.noClip) { return; } + + for (var i = 0, len = this._parts.length; i < len; i++) { + var clipped = L.PolyUtil.clipPolygon(this._parts[i], this._map._pathViewport); + if (clipped.length) { + newParts.push(clipped); + } + } + + this._parts = newParts; + }, + + _getPathPartStr: function (points) { + var str = L.Polyline.prototype._getPathPartStr.call(this, points); + return str + (L.Browser.svg ? 'z' : 'x'); + } +}); + +L.polygon = function (latlngs, options) { + return new L.Polygon(latlngs, options); +}; + + +/* + * Contains L.MultiPolyline and L.MultiPolygon layers. + */ + +(function () { + function createMulti(Klass) { + + return L.FeatureGroup.extend({ + + initialize: function (latlngs, options) { + this._layers = {}; + this._options = options; + this.setLatLngs(latlngs); + }, + + setLatLngs: function (latlngs) { + var i = 0, + len = latlngs.length; + + this.eachLayer(function (layer) { + if (i < len) { + layer.setLatLngs(latlngs[i++]); + } else { + this.removeLayer(layer); + } + }, this); + + while (i < len) { + this.addLayer(new Klass(latlngs[i++], this._options)); + } + + return this; + }, + + getLatLngs: function () { + var latlngs = []; + + this.eachLayer(function (layer) { + latlngs.push(layer.getLatLngs()); + }); + + return latlngs; + } + }); + } + + L.MultiPolyline = createMulti(L.Polyline); + L.MultiPolygon = createMulti(L.Polygon); + + L.multiPolyline = function (latlngs, options) { + return new L.MultiPolyline(latlngs, options); + }; + + L.multiPolygon = function (latlngs, options) { + return new L.MultiPolygon(latlngs, options); + }; +}()); + + +/* + * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object. + */ + +L.Rectangle = L.Polygon.extend({ + initialize: function (latLngBounds, options) { + L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options); + }, + + setBounds: function (latLngBounds) { + this.setLatLngs(this._boundsToLatLngs(latLngBounds)); + }, + + _boundsToLatLngs: function (latLngBounds) { + latLngBounds = L.latLngBounds(latLngBounds); + return [ + latLngBounds.getSouthWest(), + latLngBounds.getNorthWest(), + latLngBounds.getNorthEast(), + latLngBounds.getSouthEast() + ]; + } +}); + +L.rectangle = function (latLngBounds, options) { + return new L.Rectangle(latLngBounds, options); +}; + + +/* + * L.Circle is a circle overlay (with a certain radius in meters). + */ + +L.Circle = L.Path.extend({ + initialize: function (latlng, radius, options) { + L.Path.prototype.initialize.call(this, options); + + this._latlng = L.latLng(latlng); + this._mRadius = radius; + }, + + options: { + fill: true + }, + + setLatLng: function (latlng) { + this._latlng = L.latLng(latlng); + return this.redraw(); + }, + + setRadius: function (radius) { + this._mRadius = radius; + return this.redraw(); + }, + + projectLatlngs: function () { + var lngRadius = this._getLngRadius(), + latlng = this._latlng, + pointLeft = this._map.latLngToLayerPoint([latlng.lat, latlng.lng - lngRadius]); + + this._point = this._map.latLngToLayerPoint(latlng); + this._radius = Math.max(this._point.x - pointLeft.x, 1); + }, + + getBounds: function () { + var lngRadius = this._getLngRadius(), + latRadius = (this._mRadius / 40075017) * 360, + latlng = this._latlng; + + return new L.LatLngBounds( + [latlng.lat - latRadius, latlng.lng - lngRadius], + [latlng.lat + latRadius, latlng.lng + lngRadius]); + }, + + getLatLng: function () { + return this._latlng; + }, + + getPathString: function () { + var p = this._point, + r = this._radius; + + if (this._checkIfEmpty()) { + return ''; + } + + if (L.Browser.svg) { + return 'M' + p.x + ',' + (p.y - r) + + 'A' + r + ',' + r + ',0,1,1,' + + (p.x - 0.1) + ',' + (p.y - r) + ' z'; + } else { + p._round(); + r = Math.round(r); + return 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r + ' 0,' + (65535 * 360); + } + }, + + getRadius: function () { + return this._mRadius; + }, + + // TODO Earth hardcoded, move into projection code! + + _getLatRadius: function () { + return (this._mRadius / 40075017) * 360; + }, + + _getLngRadius: function () { + return this._getLatRadius() / Math.cos(L.LatLng.DEG_TO_RAD * this._latlng.lat); + }, + + _checkIfEmpty: function () { + if (!this._map) { + return false; + } + var vp = this._map._pathViewport, + r = this._radius, + p = this._point; + + return p.x - r > vp.max.x || p.y - r > vp.max.y || + p.x + r < vp.min.x || p.y + r < vp.min.y; + } +}); + +L.circle = function (latlng, radius, options) { + return new L.Circle(latlng, radius, options); +}; + + +/* + * L.CircleMarker is a circle overlay with a permanent pixel radius. + */ + +L.CircleMarker = L.Circle.extend({ + options: { + radius: 10, + weight: 2 + }, + + initialize: function (latlng, options) { + L.Circle.prototype.initialize.call(this, latlng, null, options); + this._radius = this.options.radius; + }, + + projectLatlngs: function () { + this._point = this._map.latLngToLayerPoint(this._latlng); + }, + + _updateStyle : function () { + L.Circle.prototype._updateStyle.call(this); + this.setRadius(this.options.radius); + }, + + setLatLng: function (latlng) { + L.Circle.prototype.setLatLng.call(this, latlng); + if (this._popup && this._popup._isOpen) { + this._popup.setLatLng(latlng); + } + return this; + }, + + setRadius: function (radius) { + this.options.radius = this._radius = radius; + return this.redraw(); + }, + + getRadius: function () { + return this._radius; + } +}); + +L.circleMarker = function (latlng, options) { + return new L.CircleMarker(latlng, options); +}; + + +/* + * Extends L.Polyline to be able to manually detect clicks on Canvas-rendered polylines. + */ + +L.Polyline.include(!L.Path.CANVAS ? {} : { + _containsPoint: function (p, closed) { + var i, j, k, len, len2, dist, part, + w = this.options.weight / 2; + + if (L.Browser.touch) { + w += 10; // polyline click tolerance on touch devices + } + + for (i = 0, len = this._parts.length; i < len; i++) { + part = this._parts[i]; + for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { + if (!closed && (j === 0)) { + continue; + } + + dist = L.LineUtil.pointToSegmentDistance(p, part[k], part[j]); + + if (dist <= w) { + return true; + } + } + } + return false; + } +}); + + +/* + * Extends L.Polygon to be able to manually detect clicks on Canvas-rendered polygons. + */ + +L.Polygon.include(!L.Path.CANVAS ? {} : { + _containsPoint: function (p) { + var inside = false, + part, p1, p2, + i, j, k, + len, len2; + + // TODO optimization: check if within bounds first + + if (L.Polyline.prototype._containsPoint.call(this, p, true)) { + // click on polygon border + return true; + } + + // ray casting algorithm for detecting if point is in polygon + + for (i = 0, len = this._parts.length; i < len; i++) { + part = this._parts[i]; + + for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) { + p1 = part[j]; + p2 = part[k]; + + if (((p1.y > p.y) !== (p2.y > p.y)) && + (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) { + inside = !inside; + } + } + } + + return inside; + } +}); + + +/* + * Extends L.Circle with Canvas-specific code. + */ + +L.Circle.include(!L.Path.CANVAS ? {} : { + _drawPath: function () { + var p = this._point; + this._ctx.beginPath(); + this._ctx.arc(p.x, p.y, this._radius, 0, Math.PI * 2, false); + }, + + _containsPoint: function (p) { + var center = this._point, + w2 = this.options.stroke ? this.options.weight / 2 : 0; + + return (p.distanceTo(center) <= this._radius + w2); + } +}); + + +/* + * CircleMarker canvas specific drawing parts. + */ + +L.CircleMarker.include(!L.Path.CANVAS ? {} : { + _updateStyle: function () { + L.Path.prototype._updateStyle.call(this); + } +}); + + +/* + * L.GeoJSON turns any GeoJSON data into a Leaflet layer. + */ + +L.GeoJSON = L.FeatureGroup.extend({ + + initialize: function (geojson, options) { + L.setOptions(this, options); + + this._layers = {}; + + if (geojson) { + this.addData(geojson); + } + }, + + addData: function (geojson) { + var features = L.Util.isArray(geojson) ? geojson : geojson.features, + i, len, feature; + + if (features) { + for (i = 0, len = features.length; i < len; i++) { + // Only add this if geometry or geometries are set and not null + feature = features[i]; + if (feature.geometries || feature.geometry || feature.features || feature.coordinates) { + this.addData(features[i]); + } + } + return this; + } + + var options = this.options; + + if (options.filter && !options.filter(geojson)) { return; } + + var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer, options.coordsToLatLng, options); + layer.feature = L.GeoJSON.asFeature(geojson); + + layer.defaultOptions = layer.options; + this.resetStyle(layer); + + if (options.onEachFeature) { + options.onEachFeature(geojson, layer); + } + + return this.addLayer(layer); + }, + + resetStyle: function (layer) { + var style = this.options.style; + if (style) { + // reset any custom styles + L.Util.extend(layer.options, layer.defaultOptions); + + this._setLayerStyle(layer, style); + } + }, + + setStyle: function (style) { + this.eachLayer(function (layer) { + this._setLayerStyle(layer, style); + }, this); + }, + + _setLayerStyle: function (layer, style) { + if (typeof style === 'function') { + style = style(layer.feature); + } + if (layer.setStyle) { + layer.setStyle(style); + } + } +}); + +L.extend(L.GeoJSON, { + geometryToLayer: function (geojson, pointToLayer, coordsToLatLng, vectorOptions) { + var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson, + coords = geometry.coordinates, + layers = [], + latlng, latlngs, i, len; + + coordsToLatLng = coordsToLatLng || this.coordsToLatLng; + + switch (geometry.type) { + case 'Point': + latlng = coordsToLatLng(coords); + return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng); + + case 'MultiPoint': + for (i = 0, len = coords.length; i < len; i++) { + latlng = coordsToLatLng(coords[i]); + layers.push(pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng)); + } + return new L.FeatureGroup(layers); + + case 'LineString': + latlngs = this.coordsToLatLngs(coords, 0, coordsToLatLng); + return new L.Polyline(latlngs, vectorOptions); + + case 'Polygon': + if (coords.length === 2 && !coords[1].length) { + throw new Error('Invalid GeoJSON object.'); + } + latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng); + return new L.Polygon(latlngs, vectorOptions); + + case 'MultiLineString': + latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng); + return new L.MultiPolyline(latlngs, vectorOptions); + + case 'MultiPolygon': + latlngs = this.coordsToLatLngs(coords, 2, coordsToLatLng); + return new L.MultiPolygon(latlngs, vectorOptions); + + case 'GeometryCollection': + for (i = 0, len = geometry.geometries.length; i < len; i++) { + + layers.push(this.geometryToLayer({ + geometry: geometry.geometries[i], + type: 'Feature', + properties: geojson.properties + }, pointToLayer, coordsToLatLng, vectorOptions)); + } + return new L.FeatureGroup(layers); + + default: + throw new Error('Invalid GeoJSON object.'); + } + }, + + coordsToLatLng: function (coords) { // (Array[, Boolean]) -> LatLng + return new L.LatLng(coords[1], coords[0], coords[2]); + }, + + coordsToLatLngs: function (coords, levelsDeep, coordsToLatLng) { // (Array[, Number, Function]) -> Array + var latlng, i, len, + latlngs = []; + + for (i = 0, len = coords.length; i < len; i++) { + latlng = levelsDeep ? + this.coordsToLatLngs(coords[i], levelsDeep - 1, coordsToLatLng) : + (coordsToLatLng || this.coordsToLatLng)(coords[i]); + + latlngs.push(latlng); + } + + return latlngs; + }, + + latLngToCoords: function (latlng) { + var coords = [latlng.lng, latlng.lat]; + + if (latlng.alt !== undefined) { + coords.push(latlng.alt); + } + return coords; + }, + + latLngsToCoords: function (latLngs) { + var coords = []; + + for (var i = 0, len = latLngs.length; i < len; i++) { + coords.push(L.GeoJSON.latLngToCoords(latLngs[i])); + } + + return coords; + }, + + getFeature: function (layer, newGeometry) { + return layer.feature ? L.extend({}, layer.feature, {geometry: newGeometry}) : L.GeoJSON.asFeature(newGeometry); + }, + + asFeature: function (geoJSON) { + if (geoJSON.type === 'Feature') { + return geoJSON; + } + + return { + type: 'Feature', + properties: {}, + geometry: geoJSON + }; + } +}); + +var PointToGeoJSON = { + toGeoJSON: function () { + return L.GeoJSON.getFeature(this, { + type: 'Point', + coordinates: L.GeoJSON.latLngToCoords(this.getLatLng()) + }); + } +}; + +L.Marker.include(PointToGeoJSON); +L.Circle.include(PointToGeoJSON); +L.CircleMarker.include(PointToGeoJSON); + +L.Polyline.include({ + toGeoJSON: function () { + return L.GeoJSON.getFeature(this, { + type: 'LineString', + coordinates: L.GeoJSON.latLngsToCoords(this.getLatLngs()) + }); + } +}); + +L.Polygon.include({ + toGeoJSON: function () { + var coords = [L.GeoJSON.latLngsToCoords(this.getLatLngs())], + i, len, hole; + + coords[0].push(coords[0][0]); + + if (this._holes) { + for (i = 0, len = this._holes.length; i < len; i++) { + hole = L.GeoJSON.latLngsToCoords(this._holes[i]); + hole.push(hole[0]); + coords.push(hole); + } + } + + return L.GeoJSON.getFeature(this, { + type: 'Polygon', + coordinates: coords + }); + } +}); + +(function () { + function multiToGeoJSON(type) { + return function () { + var coords = []; + + this.eachLayer(function (layer) { + coords.push(layer.toGeoJSON().geometry.coordinates); + }); + + return L.GeoJSON.getFeature(this, { + type: type, + coordinates: coords + }); + }; + } + + L.MultiPolyline.include({toGeoJSON: multiToGeoJSON('MultiLineString')}); + L.MultiPolygon.include({toGeoJSON: multiToGeoJSON('MultiPolygon')}); + + L.LayerGroup.include({ + toGeoJSON: function () { + + var geometry = this.feature && this.feature.geometry, + jsons = [], + json; + + if (geometry && geometry.type === 'MultiPoint') { + return multiToGeoJSON('MultiPoint').call(this); + } + + var isGeometryCollection = geometry && geometry.type === 'GeometryCollection'; + + this.eachLayer(function (layer) { + if (layer.toGeoJSON) { + json = layer.toGeoJSON(); + jsons.push(isGeometryCollection ? json.geometry : L.GeoJSON.asFeature(json)); + } + }); + + if (isGeometryCollection) { + return L.GeoJSON.getFeature(this, { + geometries: jsons, + type: 'GeometryCollection' + }); + } + + return { + type: 'FeatureCollection', + features: jsons + }; + } + }); +}()); + +L.geoJson = function (geojson, options) { + return new L.GeoJSON(geojson, options); +}; + + +/* + * L.DomEvent contains functions for working with DOM events. + */ + +L.DomEvent = { + /* inspired by John Resig, Dean Edwards and YUI addEvent implementations */ + addListener: function (obj, type, fn, context) { // (HTMLElement, String, Function[, Object]) + + var id = L.stamp(fn), + key = '_leaflet_' + type + id, + handler, originalHandler, newType; + + if (obj[key]) { return this; } + + handler = function (e) { + return fn.call(context || obj, e || L.DomEvent._getEvent()); + }; + + if (L.Browser.pointer && type.indexOf('touch') === 0) { + return this.addPointerListener(obj, type, handler, id); + } + if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) { + this.addDoubleTapListener(obj, handler, id); + } + + if ('addEventListener' in obj) { + + if (type === 'mousewheel') { + obj.addEventListener('DOMMouseScroll', handler, false); + obj.addEventListener(type, handler, false); + + } else if ((type === 'mouseenter') || (type === 'mouseleave')) { + + originalHandler = handler; + newType = (type === 'mouseenter' ? 'mouseover' : 'mouseout'); + + handler = function (e) { + if (!L.DomEvent._checkMouse(obj, e)) { return; } + return originalHandler(e); + }; + + obj.addEventListener(newType, handler, false); + + } else if (type === 'click' && L.Browser.android) { + originalHandler = handler; + handler = function (e) { + return L.DomEvent._filterClick(e, originalHandler); + }; + + obj.addEventListener(type, handler, false); + } else { + obj.addEventListener(type, handler, false); + } + + } else if ('attachEvent' in obj) { + obj.attachEvent('on' + type, handler); + } + + obj[key] = handler; + + return this; + }, + + removeListener: function (obj, type, fn) { // (HTMLElement, String, Function) + + var id = L.stamp(fn), + key = '_leaflet_' + type + id, + handler = obj[key]; + + if (!handler) { return this; } + + if (L.Browser.pointer && type.indexOf('touch') === 0) { + this.removePointerListener(obj, type, id); + } else if (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) { + this.removeDoubleTapListener(obj, id); + + } else if ('removeEventListener' in obj) { + + if (type === 'mousewheel') { + obj.removeEventListener('DOMMouseScroll', handler, false); + obj.removeEventListener(type, handler, false); + + } else if ((type === 'mouseenter') || (type === 'mouseleave')) { + obj.removeEventListener((type === 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false); + } else { + obj.removeEventListener(type, handler, false); + } + } else if ('detachEvent' in obj) { + obj.detachEvent('on' + type, handler); + } + + obj[key] = null; + + return this; + }, + + stopPropagation: function (e) { + + if (e.stopPropagation) { + e.stopPropagation(); + } else { + e.cancelBubble = true; + } + L.DomEvent._skipped(e); + + return this; + }, + + disableScrollPropagation: function (el) { + var stop = L.DomEvent.stopPropagation; + + return L.DomEvent + .on(el, 'mousewheel', stop) + .on(el, 'MozMousePixelScroll', stop); + }, + + disableClickPropagation: function (el) { + var stop = L.DomEvent.stopPropagation; + + for (var i = L.Draggable.START.length - 1; i >= 0; i--) { + L.DomEvent.on(el, L.Draggable.START[i], stop); + } + + return L.DomEvent + .on(el, 'click', L.DomEvent._fakeStop) + .on(el, 'dblclick', stop); + }, + + preventDefault: function (e) { + + if (e.preventDefault) { + e.preventDefault(); + } else { + e.returnValue = false; + } + return this; + }, + + stop: function (e) { + return L.DomEvent + .preventDefault(e) + .stopPropagation(e); + }, + + getMousePosition: function (e, container) { + if (!container) { + return new L.Point(e.clientX, e.clientY); + } + + var rect = container.getBoundingClientRect(); + + return new L.Point( + e.clientX - rect.left - container.clientLeft, + e.clientY - rect.top - container.clientTop); + }, + + getWheelDelta: function (e) { + + var delta = 0; + + if (e.wheelDelta) { + delta = e.wheelDelta / 120; + } + if (e.detail) { + delta = -e.detail / 3; + } + return delta; + }, + + _skipEvents: {}, + + _fakeStop: function (e) { + // fakes stopPropagation by setting a special event flag, checked/reset with L.DomEvent._skipped(e) + L.DomEvent._skipEvents[e.type] = true; + }, + + _skipped: function (e) { + var skipped = this._skipEvents[e.type]; + // reset when checking, as it's only used in map container and propagates outside of the map + this._skipEvents[e.type] = false; + return skipped; + }, + + // check if element really left/entered the event target (for mouseenter/mouseleave) + _checkMouse: function (el, e) { + + var related = e.relatedTarget; + + if (!related) { return true; } + + try { + while (related && (related !== el)) { + related = related.parentNode; + } + } catch (err) { + return false; + } + return (related !== el); + }, + + _getEvent: function () { // evil magic for IE + /*jshint noarg:false */ + var e = window.event; + if (!e) { + var caller = arguments.callee.caller; + while (caller) { + e = caller['arguments'][0]; + if (e && window.Event === e.constructor) { + break; + } + caller = caller.caller; + } + } + return e; + }, + + // this is a horrible workaround for a bug in Android where a single touch triggers two click events + _filterClick: function (e, handler) { + var timeStamp = (e.timeStamp || e.originalEvent.timeStamp), + elapsed = L.DomEvent._lastClick && (timeStamp - L.DomEvent._lastClick); + + // are they closer together than 500ms yet more than 100ms? + // Android typically triggers them ~300ms apart while multiple listeners + // on the same event should be triggered far faster; + // or check if click is simulated on the element, and if it is, reject any non-simulated events + + if ((elapsed && elapsed > 100 && elapsed < 500) || (e.target._simulatedClick && !e._simulated)) { + L.DomEvent.stop(e); + return; + } + L.DomEvent._lastClick = timeStamp; + + return handler(e); + } +}; + +L.DomEvent.on = L.DomEvent.addListener; +L.DomEvent.off = L.DomEvent.removeListener; + + +/* + * L.Draggable allows you to add dragging capabilities to any element. Supports mobile devices too. + */ + +L.Draggable = L.Class.extend({ + includes: L.Mixin.Events, + + statics: { + START: L.Browser.touch ? ['touchstart', 'mousedown'] : ['mousedown'], + END: { + mousedown: 'mouseup', + touchstart: 'touchend', + pointerdown: 'touchend', + MSPointerDown: 'touchend' + }, + MOVE: { + mousedown: 'mousemove', + touchstart: 'touchmove', + pointerdown: 'touchmove', + MSPointerDown: 'touchmove' + } + }, + + initialize: function (element, dragStartTarget) { + this._element = element; + this._dragStartTarget = dragStartTarget || element; + }, + + enable: function () { + if (this._enabled) { return; } + + for (var i = L.Draggable.START.length - 1; i >= 0; i--) { + L.DomEvent.on(this._dragStartTarget, L.Draggable.START[i], this._onDown, this); + } + + this._enabled = true; + }, + + disable: function () { + if (!this._enabled) { return; } + + for (var i = L.Draggable.START.length - 1; i >= 0; i--) { + L.DomEvent.off(this._dragStartTarget, L.Draggable.START[i], this._onDown, this); + } + + this._enabled = false; + this._moved = false; + }, + + _onDown: function (e) { + this._moved = false; + + if (e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; } + + L.DomEvent.stopPropagation(e); + + if (L.Draggable._disabled) { return; } + + L.DomUtil.disableImageDrag(); + L.DomUtil.disableTextSelection(); + + if (this._moving) { return; } + + var first = e.touches ? e.touches[0] : e; + + this._startPoint = new L.Point(first.clientX, first.clientY); + this._startPos = this._newPos = L.DomUtil.getPosition(this._element); + + L.DomEvent + .on(document, L.Draggable.MOVE[e.type], this._onMove, this) + .on(document, L.Draggable.END[e.type], this._onUp, this); + }, + + _onMove: function (e) { + if (e.touches && e.touches.length > 1) { + this._moved = true; + return; + } + + var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e), + newPoint = new L.Point(first.clientX, first.clientY), + offset = newPoint.subtract(this._startPoint); + + if (!offset.x && !offset.y) { return; } + if (L.Browser.touch && Math.abs(offset.x) + Math.abs(offset.y) < 3) { return; } + + L.DomEvent.preventDefault(e); + + if (!this._moved) { + this.fire('dragstart'); + + this._moved = true; + this._startPos = L.DomUtil.getPosition(this._element).subtract(offset); + + L.DomUtil.addClass(document.body, 'leaflet-dragging'); + this._lastTarget = e.target || e.srcElement; + L.DomUtil.addClass(this._lastTarget, 'leaflet-drag-target'); + } + + this._newPos = this._startPos.add(offset); + this._moving = true; + + L.Util.cancelAnimFrame(this._animRequest); + this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true, this._dragStartTarget); + }, + + _updatePosition: function () { + this.fire('predrag'); + L.DomUtil.setPosition(this._element, this._newPos); + this.fire('drag'); + }, + + _onUp: function () { + L.DomUtil.removeClass(document.body, 'leaflet-dragging'); + + if (this._lastTarget) { + L.DomUtil.removeClass(this._lastTarget, 'leaflet-drag-target'); + this._lastTarget = null; + } + + for (var i in L.Draggable.MOVE) { + L.DomEvent + .off(document, L.Draggable.MOVE[i], this._onMove) + .off(document, L.Draggable.END[i], this._onUp); + } + + L.DomUtil.enableImageDrag(); + L.DomUtil.enableTextSelection(); + + if (this._moved && this._moving) { + // ensure drag is not fired after dragend + L.Util.cancelAnimFrame(this._animRequest); + + this.fire('dragend', { + distance: this._newPos.distanceTo(this._startPos) + }); + } + + this._moving = false; + } +}); + + +/* + L.Handler is a base class for handler classes that are used internally to inject + interaction features like dragging to classes like Map and Marker. +*/ + +L.Handler = L.Class.extend({ + initialize: function (map) { + this._map = map; + }, + + enable: function () { + if (this._enabled) { return; } + + this._enabled = true; + this.addHooks(); + }, + + disable: function () { + if (!this._enabled) { return; } + + this._enabled = false; + this.removeHooks(); + }, + + enabled: function () { + return !!this._enabled; + } +}); + + +/* + * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default. + */ + +L.Map.mergeOptions({ + dragging: true, + + inertia: !L.Browser.android23, + inertiaDeceleration: 3400, // px/s^2 + inertiaMaxSpeed: Infinity, // px/s + inertiaThreshold: L.Browser.touch ? 32 : 18, // ms + easeLinearity: 0.25, + + // TODO refactor, move to CRS + worldCopyJump: false +}); + +L.Map.Drag = L.Handler.extend({ + addHooks: function () { + if (!this._draggable) { + var map = this._map; + + this._draggable = new L.Draggable(map._mapPane, map._container); + + this._draggable.on({ + 'dragstart': this._onDragStart, + 'drag': this._onDrag, + 'dragend': this._onDragEnd + }, this); + + if (map.options.worldCopyJump) { + this._draggable.on('predrag', this._onPreDrag, this); + map.on('viewreset', this._onViewReset, this); + + map.whenReady(this._onViewReset, this); + } + } + this._draggable.enable(); + }, + + removeHooks: function () { + this._draggable.disable(); + }, + + moved: function () { + return this._draggable && this._draggable._moved; + }, + + _onDragStart: function () { + var map = this._map; + + if (map._panAnim) { + map._panAnim.stop(); + } + + map + .fire('movestart') + .fire('dragstart'); + + if (map.options.inertia) { + this._positions = []; + this._times = []; + } + }, + + _onDrag: function () { + if (this._map.options.inertia) { + var time = this._lastTime = +new Date(), + pos = this._lastPos = this._draggable._newPos; + + this._positions.push(pos); + this._times.push(time); + + if (time - this._times[0] > 200) { + this._positions.shift(); + this._times.shift(); + } + } + + this._map + .fire('move') + .fire('drag'); + }, + + _onViewReset: function () { + // TODO fix hardcoded Earth values + var pxCenter = this._map.getSize()._divideBy(2), + pxWorldCenter = this._map.latLngToLayerPoint([0, 0]); + + this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x; + this._worldWidth = this._map.project([0, 180]).x; + }, + + _onPreDrag: function () { + // TODO refactor to be able to adjust map pane position after zoom + var worldWidth = this._worldWidth, + halfWidth = Math.round(worldWidth / 2), + dx = this._initialWorldOffset, + x = this._draggable._newPos.x, + newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx, + newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx, + newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2; + + this._draggable._newPos.x = newX; + }, + + _onDragEnd: function (e) { + var map = this._map, + options = map.options, + delay = +new Date() - this._lastTime, + + noInertia = !options.inertia || delay > options.inertiaThreshold || !this._positions[0]; + + map.fire('dragend', e); + + if (noInertia) { + map.fire('moveend'); + + } else { + + var direction = this._lastPos.subtract(this._positions[0]), + duration = (this._lastTime + delay - this._times[0]) / 1000, + ease = options.easeLinearity, + + speedVector = direction.multiplyBy(ease / duration), + speed = speedVector.distanceTo([0, 0]), + + limitedSpeed = Math.min(options.inertiaMaxSpeed, speed), + limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed), + + decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease), + offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round(); + + if (!offset.x || !offset.y) { + map.fire('moveend'); + + } else { + offset = map._limitOffset(offset, map.options.maxBounds); + + L.Util.requestAnimFrame(function () { + map.panBy(offset, { + duration: decelerationDuration, + easeLinearity: ease, + noMoveStart: true + }); + }); + } + } + } +}); + +L.Map.addInitHook('addHandler', 'dragging', L.Map.Drag); + + +/* + * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default. + */ + +L.Map.mergeOptions({ + doubleClickZoom: true +}); + +L.Map.DoubleClickZoom = L.Handler.extend({ + addHooks: function () { + this._map.on('dblclick', this._onDoubleClick, this); + }, + + removeHooks: function () { + this._map.off('dblclick', this._onDoubleClick, this); + }, + + _onDoubleClick: function (e) { + var map = this._map, + zoom = map.getZoom() + (e.originalEvent.shiftKey ? -1 : 1); + + if (map.options.doubleClickZoom === 'center') { + map.setZoom(zoom); + } else { + map.setZoomAround(e.containerPoint, zoom); + } + } +}); + +L.Map.addInitHook('addHandler', 'doubleClickZoom', L.Map.DoubleClickZoom); + + +/* + * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map. + */ + +L.Map.mergeOptions({ + scrollWheelZoom: true +}); + +L.Map.ScrollWheelZoom = L.Handler.extend({ + addHooks: function () { + L.DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this); + L.DomEvent.on(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault); + this._delta = 0; + }, + + removeHooks: function () { + L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll); + L.DomEvent.off(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault); + }, + + _onWheelScroll: function (e) { + var delta = L.DomEvent.getWheelDelta(e); + + this._delta += delta; + this._lastMousePos = this._map.mouseEventToContainerPoint(e); + + if (!this._startTime) { + this._startTime = +new Date(); + } + + var left = Math.max(40 - (+new Date() - this._startTime), 0); + + clearTimeout(this._timer); + this._timer = setTimeout(L.bind(this._performZoom, this), left); + + L.DomEvent.preventDefault(e); + L.DomEvent.stopPropagation(e); + }, + + _performZoom: function () { + var map = this._map, + delta = this._delta, + zoom = map.getZoom(); + + delta = delta > 0 ? Math.ceil(delta) : Math.floor(delta); + delta = Math.max(Math.min(delta, 4), -4); + delta = map._limitZoom(zoom + delta) - zoom; + + this._delta = 0; + this._startTime = null; + + if (!delta) { return; } + + if (map.options.scrollWheelZoom === 'center') { + map.setZoom(zoom + delta); + } else { + map.setZoomAround(this._lastMousePos, zoom + delta); + } + } +}); + +L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom); + + +/* + * Extends the event handling code with double tap support for mobile browsers. + */ + +L.extend(L.DomEvent, { + + _touchstart: L.Browser.msPointer ? 'MSPointerDown' : L.Browser.pointer ? 'pointerdown' : 'touchstart', + _touchend: L.Browser.msPointer ? 'MSPointerUp' : L.Browser.pointer ? 'pointerup' : 'touchend', + + // inspired by Zepto touch code by Thomas Fuchs + addDoubleTapListener: function (obj, handler, id) { + var last, + doubleTap = false, + delay = 250, + touch, + pre = '_leaflet_', + touchstart = this._touchstart, + touchend = this._touchend, + trackedTouches = []; + + function onTouchStart(e) { + var count; + + if (L.Browser.pointer) { + trackedTouches.push(e.pointerId); + count = trackedTouches.length; + } else { + count = e.touches.length; + } + if (count > 1) { + return; + } + + var now = Date.now(), + delta = now - (last || now); + + touch = e.touches ? e.touches[0] : e; + doubleTap = (delta > 0 && delta <= delay); + last = now; + } + + function onTouchEnd(e) { + if (L.Browser.pointer) { + var idx = trackedTouches.indexOf(e.pointerId); + if (idx === -1) { + return; + } + trackedTouches.splice(idx, 1); + } + + if (doubleTap) { + if (L.Browser.pointer) { + // work around .type being readonly with MSPointer* events + var newTouch = { }, + prop; + + // jshint forin:false + for (var i in touch) { + prop = touch[i]; + if (typeof prop === 'function') { + newTouch[i] = prop.bind(touch); + } else { + newTouch[i] = prop; + } + } + touch = newTouch; + } + touch.type = 'dblclick'; + handler(touch); + last = null; + } + } + obj[pre + touchstart + id] = onTouchStart; + obj[pre + touchend + id] = onTouchEnd; + + // on pointer we need to listen on the document, otherwise a drag starting on the map and moving off screen + // will not come through to us, so we will lose track of how many touches are ongoing + var endElement = L.Browser.pointer ? document.documentElement : obj; + + obj.addEventListener(touchstart, onTouchStart, false); + endElement.addEventListener(touchend, onTouchEnd, false); + + if (L.Browser.pointer) { + endElement.addEventListener(L.DomEvent.POINTER_CANCEL, onTouchEnd, false); + } + + return this; + }, + + removeDoubleTapListener: function (obj, id) { + var pre = '_leaflet_'; + + obj.removeEventListener(this._touchstart, obj[pre + this._touchstart + id], false); + (L.Browser.pointer ? document.documentElement : obj).removeEventListener( + this._touchend, obj[pre + this._touchend + id], false); + + if (L.Browser.pointer) { + document.documentElement.removeEventListener(L.DomEvent.POINTER_CANCEL, obj[pre + this._touchend + id], + false); + } + + return this; + } +}); + + +/* + * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices. + */ + +L.extend(L.DomEvent, { + + //static + POINTER_DOWN: L.Browser.msPointer ? 'MSPointerDown' : 'pointerdown', + POINTER_MOVE: L.Browser.msPointer ? 'MSPointerMove' : 'pointermove', + POINTER_UP: L.Browser.msPointer ? 'MSPointerUp' : 'pointerup', + POINTER_CANCEL: L.Browser.msPointer ? 'MSPointerCancel' : 'pointercancel', + + _pointers: [], + _pointerDocumentListener: false, + + // Provides a touch events wrapper for (ms)pointer events. + // Based on changes by veproza https://github.com/CloudMade/Leaflet/pull/1019 + //ref http://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890 + + addPointerListener: function (obj, type, handler, id) { + + switch (type) { + case 'touchstart': + return this.addPointerListenerStart(obj, type, handler, id); + case 'touchend': + return this.addPointerListenerEnd(obj, type, handler, id); + case 'touchmove': + return this.addPointerListenerMove(obj, type, handler, id); + default: + throw 'Unknown touch event type'; + } + }, + + addPointerListenerStart: function (obj, type, handler, id) { + var pre = '_leaflet_', + pointers = this._pointers; + + var cb = function (e) { + if (e.pointerType !== 'mouse' && e.pointerType !== e.MSPOINTER_TYPE_MOUSE) { + L.DomEvent.preventDefault(e); + } + + var alreadyInArray = false; + for (var i = 0; i < pointers.length; i++) { + if (pointers[i].pointerId === e.pointerId) { + alreadyInArray = true; + break; + } + } + if (!alreadyInArray) { + pointers.push(e); + } + + e.touches = pointers.slice(); + e.changedTouches = [e]; + + handler(e); + }; + + obj[pre + 'touchstart' + id] = cb; + obj.addEventListener(this.POINTER_DOWN, cb, false); + + // need to also listen for end events to keep the _pointers list accurate + // this needs to be on the body and never go away + if (!this._pointerDocumentListener) { + var internalCb = function (e) { + for (var i = 0; i < pointers.length; i++) { + if (pointers[i].pointerId === e.pointerId) { + pointers.splice(i, 1); + break; + } + } + }; + //We listen on the documentElement as any drags that end by moving the touch off the screen get fired there + document.documentElement.addEventListener(this.POINTER_UP, internalCb, false); + document.documentElement.addEventListener(this.POINTER_CANCEL, internalCb, false); + + this._pointerDocumentListener = true; + } + + return this; + }, + + addPointerListenerMove: function (obj, type, handler, id) { + var pre = '_leaflet_', + touches = this._pointers; + + function cb(e) { + + // don't fire touch moves when mouse isn't down + if ((e.pointerType === e.MSPOINTER_TYPE_MOUSE || e.pointerType === 'mouse') && e.buttons === 0) { return; } + + for (var i = 0; i < touches.length; i++) { + if (touches[i].pointerId === e.pointerId) { + touches[i] = e; + break; + } + } + + e.touches = touches.slice(); + e.changedTouches = [e]; + + handler(e); + } + + obj[pre + 'touchmove' + id] = cb; + obj.addEventListener(this.POINTER_MOVE, cb, false); + + return this; + }, + + addPointerListenerEnd: function (obj, type, handler, id) { + var pre = '_leaflet_', + touches = this._pointers; + + var cb = function (e) { + for (var i = 0; i < touches.length; i++) { + if (touches[i].pointerId === e.pointerId) { + touches.splice(i, 1); + break; + } + } + + e.touches = touches.slice(); + e.changedTouches = [e]; + + handler(e); + }; + + obj[pre + 'touchend' + id] = cb; + obj.addEventListener(this.POINTER_UP, cb, false); + obj.addEventListener(this.POINTER_CANCEL, cb, false); + + return this; + }, + + removePointerListener: function (obj, type, id) { + var pre = '_leaflet_', + cb = obj[pre + type + id]; + + switch (type) { + case 'touchstart': + obj.removeEventListener(this.POINTER_DOWN, cb, false); + break; + case 'touchmove': + obj.removeEventListener(this.POINTER_MOVE, cb, false); + break; + case 'touchend': + obj.removeEventListener(this.POINTER_UP, cb, false); + obj.removeEventListener(this.POINTER_CANCEL, cb, false); + break; + } + + return this; + } +}); + + +/* + * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers. + */ + +L.Map.mergeOptions({ + touchZoom: L.Browser.touch && !L.Browser.android23, + bounceAtZoomLimits: true +}); + +L.Map.TouchZoom = L.Handler.extend({ + addHooks: function () { + L.DomEvent.on(this._map._container, 'touchstart', this._onTouchStart, this); + }, + + removeHooks: function () { + L.DomEvent.off(this._map._container, 'touchstart', this._onTouchStart, this); + }, + + _onTouchStart: function (e) { + var map = this._map; + + if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; } + + var p1 = map.mouseEventToLayerPoint(e.touches[0]), + p2 = map.mouseEventToLayerPoint(e.touches[1]), + viewCenter = map._getCenterLayerPoint(); + + this._startCenter = p1.add(p2)._divideBy(2); + this._startDist = p1.distanceTo(p2); + + this._moved = false; + this._zooming = true; + + this._centerOffset = viewCenter.subtract(this._startCenter); + + if (map._panAnim) { + map._panAnim.stop(); + } + + L.DomEvent + .on(document, 'touchmove', this._onTouchMove, this) + .on(document, 'touchend', this._onTouchEnd, this); + + L.DomEvent.preventDefault(e); + }, + + _onTouchMove: function (e) { + var map = this._map; + + if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; } + + var p1 = map.mouseEventToLayerPoint(e.touches[0]), + p2 = map.mouseEventToLayerPoint(e.touches[1]); + + this._scale = p1.distanceTo(p2) / this._startDist; + this._delta = p1._add(p2)._divideBy(2)._subtract(this._startCenter); + + if (this._scale === 1) { return; } + + if (!map.options.bounceAtZoomLimits) { + if ((map.getZoom() === map.getMinZoom() && this._scale < 1) || + (map.getZoom() === map.getMaxZoom() && this._scale > 1)) { return; } + } + + if (!this._moved) { + L.DomUtil.addClass(map._mapPane, 'leaflet-touching'); + + map + .fire('movestart') + .fire('zoomstart'); + + this._moved = true; + } + + L.Util.cancelAnimFrame(this._animRequest); + this._animRequest = L.Util.requestAnimFrame( + this._updateOnMove, this, true, this._map._container); + + L.DomEvent.preventDefault(e); + }, + + _updateOnMove: function () { + var map = this._map, + origin = this._getScaleOrigin(), + center = map.layerPointToLatLng(origin), + zoom = map.getScaleZoom(this._scale); + + map._animateZoom(center, zoom, this._startCenter, this._scale, this._delta, false, true); + }, + + _onTouchEnd: function () { + if (!this._moved || !this._zooming) { + this._zooming = false; + return; + } + + var map = this._map; + + this._zooming = false; + L.DomUtil.removeClass(map._mapPane, 'leaflet-touching'); + L.Util.cancelAnimFrame(this._animRequest); + + L.DomEvent + .off(document, 'touchmove', this._onTouchMove) + .off(document, 'touchend', this._onTouchEnd); + + var origin = this._getScaleOrigin(), + center = map.layerPointToLatLng(origin), + + oldZoom = map.getZoom(), + floatZoomDelta = map.getScaleZoom(this._scale) - oldZoom, + roundZoomDelta = (floatZoomDelta > 0 ? + Math.ceil(floatZoomDelta) : Math.floor(floatZoomDelta)), + + zoom = map._limitZoom(oldZoom + roundZoomDelta), + scale = map.getZoomScale(zoom) / this._scale; + + map._animateZoom(center, zoom, origin, scale); + }, + + _getScaleOrigin: function () { + var centerOffset = this._centerOffset.subtract(this._delta).divideBy(this._scale); + return this._startCenter.add(centerOffset); + } +}); + +L.Map.addInitHook('addHandler', 'touchZoom', L.Map.TouchZoom); + + +/* + * L.Map.Tap is used to enable mobile hacks like quick taps and long hold. + */ + +L.Map.mergeOptions({ + tap: true, + tapTolerance: 15 +}); + +L.Map.Tap = L.Handler.extend({ + addHooks: function () { + L.DomEvent.on(this._map._container, 'touchstart', this._onDown, this); + }, + + removeHooks: function () { + L.DomEvent.off(this._map._container, 'touchstart', this._onDown, this); + }, + + _onDown: function (e) { + if (!e.touches) { return; } + + L.DomEvent.preventDefault(e); + + this._fireClick = true; + + // don't simulate click or track longpress if more than 1 touch + if (e.touches.length > 1) { + this._fireClick = false; + clearTimeout(this._holdTimeout); + return; + } + + var first = e.touches[0], + el = first.target; + + this._startPos = this._newPos = new L.Point(first.clientX, first.clientY); + + // if touching a link, highlight it + if (el.tagName && el.tagName.toLowerCase() === 'a') { + L.DomUtil.addClass(el, 'leaflet-active'); + } + + // simulate long hold but setting a timeout + this._holdTimeout = setTimeout(L.bind(function () { + if (this._isTapValid()) { + this._fireClick = false; + this._onUp(); + this._simulateEvent('contextmenu', first); + } + }, this), 1000); + + L.DomEvent + .on(document, 'touchmove', this._onMove, this) + .on(document, 'touchend', this._onUp, this); + }, + + _onUp: function (e) { + clearTimeout(this._holdTimeout); + + L.DomEvent + .off(document, 'touchmove', this._onMove, this) + .off(document, 'touchend', this._onUp, this); + + if (this._fireClick && e && e.changedTouches) { + + var first = e.changedTouches[0], + el = first.target; + + if (el && el.tagName && el.tagName.toLowerCase() === 'a') { + L.DomUtil.removeClass(el, 'leaflet-active'); + } + + // simulate click if the touch didn't move too much + if (this._isTapValid()) { + this._simulateEvent('click', first); + } + } + }, + + _isTapValid: function () { + return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance; + }, + + _onMove: function (e) { + var first = e.touches[0]; + this._newPos = new L.Point(first.clientX, first.clientY); + }, + + _simulateEvent: function (type, e) { + var simulatedEvent = document.createEvent('MouseEvents'); + + simulatedEvent._simulated = true; + e.target._simulatedClick = true; + + simulatedEvent.initMouseEvent( + type, true, true, window, 1, + e.screenX, e.screenY, + e.clientX, e.clientY, + false, false, false, false, 0, null); + + e.target.dispatchEvent(simulatedEvent); + } +}); + +if (L.Browser.touch && !L.Browser.pointer) { + L.Map.addInitHook('addHandler', 'tap', L.Map.Tap); +} + + +/* + * L.Handler.ShiftDragZoom is used to add shift-drag zoom interaction to the map + * (zoom to a selected bounding box), enabled by default. + */ + +L.Map.mergeOptions({ + boxZoom: true +}); + +L.Map.BoxZoom = L.Handler.extend({ + initialize: function (map) { + this._map = map; + this._container = map._container; + this._pane = map._panes.overlayPane; + this._moved = false; + }, + + addHooks: function () { + L.DomEvent.on(this._container, 'mousedown', this._onMouseDown, this); + }, + + removeHooks: function () { + L.DomEvent.off(this._container, 'mousedown', this._onMouseDown); + this._moved = false; + }, + + moved: function () { + return this._moved; + }, + + _onMouseDown: function (e) { + this._moved = false; + + if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; } + + L.DomUtil.disableTextSelection(); + L.DomUtil.disableImageDrag(); + + this._startLayerPoint = this._map.mouseEventToLayerPoint(e); + + L.DomEvent + .on(document, 'mousemove', this._onMouseMove, this) + .on(document, 'mouseup', this._onMouseUp, this) + .on(document, 'keydown', this._onKeyDown, this); + }, + + _onMouseMove: function (e) { + if (!this._moved) { + this._box = L.DomUtil.create('div', 'leaflet-zoom-box', this._pane); + L.DomUtil.setPosition(this._box, this._startLayerPoint); + + //TODO refactor: move cursor to styles + this._container.style.cursor = 'crosshair'; + this._map.fire('boxzoomstart'); + } + + var startPoint = this._startLayerPoint, + box = this._box, + + layerPoint = this._map.mouseEventToLayerPoint(e), + offset = layerPoint.subtract(startPoint), + + newPos = new L.Point( + Math.min(layerPoint.x, startPoint.x), + Math.min(layerPoint.y, startPoint.y)); + + L.DomUtil.setPosition(box, newPos); + + this._moved = true; + + // TODO refactor: remove hardcoded 4 pixels + box.style.width = (Math.max(0, Math.abs(offset.x) - 4)) + 'px'; + box.style.height = (Math.max(0, Math.abs(offset.y) - 4)) + 'px'; + }, + + _finish: function () { + if (this._moved) { + this._pane.removeChild(this._box); + this._container.style.cursor = ''; + } + + L.DomUtil.enableTextSelection(); + L.DomUtil.enableImageDrag(); + + L.DomEvent + .off(document, 'mousemove', this._onMouseMove) + .off(document, 'mouseup', this._onMouseUp) + .off(document, 'keydown', this._onKeyDown); + }, + + _onMouseUp: function (e) { + + this._finish(); + + var map = this._map, + layerPoint = map.mouseEventToLayerPoint(e); + + if (this._startLayerPoint.equals(layerPoint)) { return; } + + var bounds = new L.LatLngBounds( + map.layerPointToLatLng(this._startLayerPoint), + map.layerPointToLatLng(layerPoint)); + + map.fitBounds(bounds); + + map.fire('boxzoomend', { + boxZoomBounds: bounds + }); + }, + + _onKeyDown: function (e) { + if (e.keyCode === 27) { + this._finish(); + } + } +}); + +L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom); + + +/* + * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default. + */ + +L.Map.mergeOptions({ + keyboard: true, + keyboardPanOffset: 80, + keyboardZoomOffset: 1 +}); + +L.Map.Keyboard = L.Handler.extend({ + + keyCodes: { + left: [37], + right: [39], + down: [40], + up: [38], + zoomIn: [187, 107, 61, 171], + zoomOut: [189, 109, 173] + }, + + initialize: function (map) { + this._map = map; + + this._setPanOffset(map.options.keyboardPanOffset); + this._setZoomOffset(map.options.keyboardZoomOffset); + }, + + addHooks: function () { + var container = this._map._container; + + // make the container focusable by tabbing + if (container.tabIndex === -1) { + container.tabIndex = '0'; + } + + L.DomEvent + .on(container, 'focus', this._onFocus, this) + .on(container, 'blur', this._onBlur, this) + .on(container, 'mousedown', this._onMouseDown, this); + + this._map + .on('focus', this._addHooks, this) + .on('blur', this._removeHooks, this); + }, + + removeHooks: function () { + this._removeHooks(); + + var container = this._map._container; + + L.DomEvent + .off(container, 'focus', this._onFocus, this) + .off(container, 'blur', this._onBlur, this) + .off(container, 'mousedown', this._onMouseDown, this); + + this._map + .off('focus', this._addHooks, this) + .off('blur', this._removeHooks, this); + }, + + _onMouseDown: function () { + if (this._focused) { return; } + + var body = document.body, + docEl = document.documentElement, + top = body.scrollTop || docEl.scrollTop, + left = body.scrollLeft || docEl.scrollLeft; + + this._map._container.focus(); + + window.scrollTo(left, top); + }, + + _onFocus: function () { + this._focused = true; + this._map.fire('focus'); + }, + + _onBlur: function () { + this._focused = false; + this._map.fire('blur'); + }, + + _setPanOffset: function (pan) { + var keys = this._panKeys = {}, + codes = this.keyCodes, + i, len; + + for (i = 0, len = codes.left.length; i < len; i++) { + keys[codes.left[i]] = [-1 * pan, 0]; + } + for (i = 0, len = codes.right.length; i < len; i++) { + keys[codes.right[i]] = [pan, 0]; + } + for (i = 0, len = codes.down.length; i < len; i++) { + keys[codes.down[i]] = [0, pan]; + } + for (i = 0, len = codes.up.length; i < len; i++) { + keys[codes.up[i]] = [0, -1 * pan]; + } + }, + + _setZoomOffset: function (zoom) { + var keys = this._zoomKeys = {}, + codes = this.keyCodes, + i, len; + + for (i = 0, len = codes.zoomIn.length; i < len; i++) { + keys[codes.zoomIn[i]] = zoom; + } + for (i = 0, len = codes.zoomOut.length; i < len; i++) { + keys[codes.zoomOut[i]] = -zoom; + } + }, + + _addHooks: function () { + L.DomEvent.on(document, 'keydown', this._onKeyDown, this); + }, + + _removeHooks: function () { + L.DomEvent.off(document, 'keydown', this._onKeyDown, this); + }, + + _onKeyDown: function (e) { + var key = e.keyCode, + map = this._map; + + if (key in this._panKeys) { + + if (map._panAnim && map._panAnim._inProgress) { return; } + + map.panBy(this._panKeys[key]); + + if (map.options.maxBounds) { + map.panInsideBounds(map.options.maxBounds); + } + + } else if (key in this._zoomKeys) { + map.setZoom(map.getZoom() + this._zoomKeys[key]); + + } else { + return; + } + + L.DomEvent.stop(e); + } +}); + +L.Map.addInitHook('addHandler', 'keyboard', L.Map.Keyboard); + + +/* + * L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable. + */ + +L.Handler.MarkerDrag = L.Handler.extend({ + initialize: function (marker) { + this._marker = marker; + }, + + addHooks: function () { + var icon = this._marker._icon; + if (!this._draggable) { + this._draggable = new L.Draggable(icon, icon); + } + + this._draggable + .on('dragstart', this._onDragStart, this) + .on('drag', this._onDrag, this) + .on('dragend', this._onDragEnd, this); + this._draggable.enable(); + L.DomUtil.addClass(this._marker._icon, 'leaflet-marker-draggable'); + }, + + removeHooks: function () { + this._draggable + .off('dragstart', this._onDragStart, this) + .off('drag', this._onDrag, this) + .off('dragend', this._onDragEnd, this); + + this._draggable.disable(); + L.DomUtil.removeClass(this._marker._icon, 'leaflet-marker-draggable'); + }, + + moved: function () { + return this._draggable && this._draggable._moved; + }, + + _onDragStart: function () { + this._marker + .closePopup() + .fire('movestart') + .fire('dragstart'); + }, + + _onDrag: function () { + var marker = this._marker, + shadow = marker._shadow, + iconPos = L.DomUtil.getPosition(marker._icon), + latlng = marker._map.layerPointToLatLng(iconPos); + + // update shadow position + if (shadow) { + L.DomUtil.setPosition(shadow, iconPos); + } + + marker._latlng = latlng; + + marker + .fire('move', {latlng: latlng}) + .fire('drag'); + }, + + _onDragEnd: function (e) { + this._marker + .fire('moveend') + .fire('dragend', e); + } +}); + + +/* + * L.Control is a base class for implementing map controls. Handles positioning. + * All other controls extend from this class. + */ + +L.Control = L.Class.extend({ + options: { + position: 'topright' + }, + + initialize: function (options) { + L.setOptions(this, options); + }, + + getPosition: function () { + return this.options.position; + }, + + setPosition: function (position) { + var map = this._map; + + if (map) { + map.removeControl(this); + } + + this.options.position = position; + + if (map) { + map.addControl(this); + } + + return this; + }, + + getContainer: function () { + return this._container; + }, + + addTo: function (map) { + this._map = map; + + var container = this._container = this.onAdd(map), + pos = this.getPosition(), + corner = map._controlCorners[pos]; + + L.DomUtil.addClass(container, 'leaflet-control'); + + if (pos.indexOf('bottom') !== -1) { + corner.insertBefore(container, corner.firstChild); + } else { + corner.appendChild(container); + } + + return this; + }, + + removeFrom: function (map) { + var pos = this.getPosition(), + corner = map._controlCorners[pos]; + + corner.removeChild(this._container); + this._map = null; + + if (this.onRemove) { + this.onRemove(map); + } + + return this; + }, + + _refocusOnMap: function () { + if (this._map) { + this._map.getContainer().focus(); + } + } +}); + +L.control = function (options) { + return new L.Control(options); +}; + + +// adds control-related methods to L.Map + +L.Map.include({ + addControl: function (control) { + control.addTo(this); + return this; + }, + + removeControl: function (control) { + control.removeFrom(this); + return this; + }, + + _initControlPos: function () { + var corners = this._controlCorners = {}, + l = 'leaflet-', + container = this._controlContainer = + L.DomUtil.create('div', l + 'control-container', this._container); + + function createCorner(vSide, hSide) { + var className = l + vSide + ' ' + l + hSide; + + corners[vSide + hSide] = L.DomUtil.create('div', className, container); + } + + createCorner('top', 'left'); + createCorner('top', 'right'); + createCorner('bottom', 'left'); + createCorner('bottom', 'right'); + }, + + _clearControlPos: function () { + this._container.removeChild(this._controlContainer); + } +}); + + +/* + * L.Control.Zoom is used for the default zoom buttons on the map. + */ + +L.Control.Zoom = L.Control.extend({ + options: { + position: 'topleft', + zoomInText: '+', + zoomInTitle: 'Zoom in', + zoomOutText: '-', + zoomOutTitle: 'Zoom out' + }, + + onAdd: function (map) { + var zoomName = 'leaflet-control-zoom', + container = L.DomUtil.create('div', zoomName + ' leaflet-bar'); + + this._map = map; + + this._zoomInButton = this._createButton( + this.options.zoomInText, this.options.zoomInTitle, + zoomName + '-in', container, this._zoomIn, this); + this._zoomOutButton = this._createButton( + this.options.zoomOutText, this.options.zoomOutTitle, + zoomName + '-out', container, this._zoomOut, this); + + this._updateDisabled(); + map.on('zoomend zoomlevelschange', this._updateDisabled, this); + + return container; + }, + + onRemove: function (map) { + map.off('zoomend zoomlevelschange', this._updateDisabled, this); + }, + + _zoomIn: function (e) { + this._map.zoomIn(e.shiftKey ? 3 : 1); + }, + + _zoomOut: function (e) { + this._map.zoomOut(e.shiftKey ? 3 : 1); + }, + + _createButton: function (html, title, className, container, fn, context) { + var link = L.DomUtil.create('a', className, container); + link.innerHTML = html; + link.href = '#'; + link.title = title; + + var stop = L.DomEvent.stopPropagation; + + L.DomEvent + .on(link, 'click', stop) + .on(link, 'mousedown', stop) + .on(link, 'dblclick', stop) + .on(link, 'click', L.DomEvent.preventDefault) + .on(link, 'click', fn, context) + .on(link, 'click', this._refocusOnMap, context); + + return link; + }, + + _updateDisabled: function () { + var map = this._map, + className = 'leaflet-disabled'; + + L.DomUtil.removeClass(this._zoomInButton, className); + L.DomUtil.removeClass(this._zoomOutButton, className); + + if (map._zoom === map.getMinZoom()) { + L.DomUtil.addClass(this._zoomOutButton, className); + } + if (map._zoom === map.getMaxZoom()) { + L.DomUtil.addClass(this._zoomInButton, className); + } + } +}); + +L.Map.mergeOptions({ + zoomControl: true +}); + +L.Map.addInitHook(function () { + if (this.options.zoomControl) { + this.zoomControl = new L.Control.Zoom(); + this.addControl(this.zoomControl); + } +}); + +L.control.zoom = function (options) { + return new L.Control.Zoom(options); +}; + + + +/* + * L.Control.Attribution is used for displaying attribution on the map (added by default). + */ + +L.Control.Attribution = L.Control.extend({ + options: { + position: 'bottomright', + prefix: 'Leaflet' + }, + + initialize: function (options) { + L.setOptions(this, options); + + this._attributions = {}; + }, + + onAdd: function (map) { + this._container = L.DomUtil.create('div', 'leaflet-control-attribution'); + L.DomEvent.disableClickPropagation(this._container); + + for (var i in map._layers) { + if (map._layers[i].getAttribution) { + this.addAttribution(map._layers[i].getAttribution()); + } + } + + map + .on('layeradd', this._onLayerAdd, this) + .on('layerremove', this._onLayerRemove, this); + + this._update(); + + return this._container; + }, + + onRemove: function (map) { + map + .off('layeradd', this._onLayerAdd) + .off('layerremove', this._onLayerRemove); + + }, + + setPrefix: function (prefix) { + this.options.prefix = prefix; + this._update(); + return this; + }, + + addAttribution: function (text) { + if (!text) { return; } + + if (!this._attributions[text]) { + this._attributions[text] = 0; + } + this._attributions[text]++; + + this._update(); + + return this; + }, + + removeAttribution: function (text) { + if (!text) { return; } + + if (this._attributions[text]) { + this._attributions[text]--; + this._update(); + } + + return this; + }, + + _update: function () { + if (!this._map) { return; } + + var attribs = []; + + for (var i in this._attributions) { + if (this._attributions[i]) { + attribs.push(i); + } + } + + var prefixAndAttribs = []; + + if (this.options.prefix) { + prefixAndAttribs.push(this.options.prefix); + } + if (attribs.length) { + prefixAndAttribs.push(attribs.join(', ')); + } + + this._container.innerHTML = prefixAndAttribs.join(' | '); + }, + + _onLayerAdd: function (e) { + if (e.layer.getAttribution) { + this.addAttribution(e.layer.getAttribution()); + } + }, + + _onLayerRemove: function (e) { + if (e.layer.getAttribution) { + this.removeAttribution(e.layer.getAttribution()); + } + } +}); + +L.Map.mergeOptions({ + attributionControl: true +}); + +L.Map.addInitHook(function () { + if (this.options.attributionControl) { + this.attributionControl = (new L.Control.Attribution()).addTo(this); + } +}); + +L.control.attribution = function (options) { + return new L.Control.Attribution(options); +}; + + +/* + * L.Control.Scale is used for displaying metric/imperial scale on the map. + */ + +L.Control.Scale = L.Control.extend({ + options: { + position: 'bottomleft', + maxWidth: 100, + metric: true, + imperial: true, + updateWhenIdle: false + }, + + onAdd: function (map) { + this._map = map; + + var className = 'leaflet-control-scale', + container = L.DomUtil.create('div', className), + options = this.options; + + this._addScales(options, className, container); + + map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this); + map.whenReady(this._update, this); + + return container; + }, + + onRemove: function (map) { + map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this); + }, + + _addScales: function (options, className, container) { + if (options.metric) { + this._mScale = L.DomUtil.create('div', className + '-line', container); + } + if (options.imperial) { + this._iScale = L.DomUtil.create('div', className + '-line', container); + } + }, + + _update: function () { + var bounds = this._map.getBounds(), + centerLat = bounds.getCenter().lat, + halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180), + dist = halfWorldMeters * (bounds.getNorthEast().lng - bounds.getSouthWest().lng) / 180, + + size = this._map.getSize(), + options = this.options, + maxMeters = 0; + + if (size.x > 0) { + maxMeters = dist * (options.maxWidth / size.x); + } + + this._updateScales(options, maxMeters); + }, + + _updateScales: function (options, maxMeters) { + if (options.metric && maxMeters) { + this._updateMetric(maxMeters); + } + + if (options.imperial && maxMeters) { + this._updateImperial(maxMeters); + } + }, + + _updateMetric: function (maxMeters) { + var meters = this._getRoundNum(maxMeters); + + this._mScale.style.width = this._getScaleWidth(meters / maxMeters) + 'px'; + this._mScale.innerHTML = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km'; + }, + + _updateImperial: function (maxMeters) { + var maxFeet = maxMeters * 3.2808399, + scale = this._iScale, + maxMiles, miles, feet; + + if (maxFeet > 5280) { + maxMiles = maxFeet / 5280; + miles = this._getRoundNum(maxMiles); + + scale.style.width = this._getScaleWidth(miles / maxMiles) + 'px'; + scale.innerHTML = miles + ' mi'; + + } else { + feet = this._getRoundNum(maxFeet); + + scale.style.width = this._getScaleWidth(feet / maxFeet) + 'px'; + scale.innerHTML = feet + ' ft'; + } + }, + + _getScaleWidth: function (ratio) { + return Math.round(this.options.maxWidth * ratio) - 10; + }, + + _getRoundNum: function (num) { + var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1), + d = num / pow10; + + d = d >= 10 ? 10 : d >= 5 ? 5 : d >= 3 ? 3 : d >= 2 ? 2 : 1; + + return pow10 * d; + } +}); + +L.control.scale = function (options) { + return new L.Control.Scale(options); +}; + + +/* + * L.Control.Layers is a control to allow users to switch between different layers on the map. + */ + +L.Control.Layers = L.Control.extend({ + options: { + collapsed: true, + position: 'topright', + autoZIndex: true + }, + + initialize: function (baseLayers, overlays, options) { + L.setOptions(this, options); + + this._layers = {}; + this._lastZIndex = 0; + this._handlingClick = false; + + for (var i in baseLayers) { + this._addLayer(baseLayers[i], i); + } + + for (i in overlays) { + this._addLayer(overlays[i], i, true); + } + }, + + onAdd: function (map) { + this._initLayout(); + this._update(); + + map + .on('layeradd', this._onLayerChange, this) + .on('layerremove', this._onLayerChange, this); + + return this._container; + }, + + onRemove: function (map) { + map + .off('layeradd', this._onLayerChange, this) + .off('layerremove', this._onLayerChange, this); + }, + + addBaseLayer: function (layer, name) { + this._addLayer(layer, name); + this._update(); + return this; + }, + + addOverlay: function (layer, name) { + this._addLayer(layer, name, true); + this._update(); + return this; + }, + + removeLayer: function (layer) { + var id = L.stamp(layer); + delete this._layers[id]; + this._update(); + return this; + }, + + _initLayout: function () { + var className = 'leaflet-control-layers', + container = this._container = L.DomUtil.create('div', className); + + //Makes this work on IE10 Touch devices by stopping it from firing a mouseout event when the touch is released + container.setAttribute('aria-haspopup', true); + + if (!L.Browser.touch) { + L.DomEvent + .disableClickPropagation(container) + .disableScrollPropagation(container); + } else { + L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation); + } + + var form = this._form = L.DomUtil.create('form', className + '-list'); + + if (this.options.collapsed) { + if (!L.Browser.android) { + L.DomEvent + .on(container, 'mouseover', this._expand, this) + .on(container, 'mouseout', this._collapse, this); + } + var link = this._layersLink = L.DomUtil.create('a', className + '-toggle', container); + link.href = '#'; + link.title = 'Layers'; + + if (L.Browser.touch) { + L.DomEvent + .on(link, 'click', L.DomEvent.stop) + .on(link, 'click', this._expand, this); + } + else { + L.DomEvent.on(link, 'focus', this._expand, this); + } + //Work around for Firefox android issue https://github.com/Leaflet/Leaflet/issues/2033 + L.DomEvent.on(form, 'click', function () { + setTimeout(L.bind(this._onInputClick, this), 0); + }, this); + + this._map.on('click', this._collapse, this); + // TODO keyboard accessibility + } else { + this._expand(); + } + + this._baseLayersList = L.DomUtil.create('div', className + '-base', form); + this._separator = L.DomUtil.create('div', className + '-separator', form); + this._overlaysList = L.DomUtil.create('div', className + '-overlays', form); + + container.appendChild(form); + }, + + _addLayer: function (layer, name, overlay) { + var id = L.stamp(layer); + + this._layers[id] = { + layer: layer, + name: name, + overlay: overlay + }; + + if (this.options.autoZIndex && layer.setZIndex) { + this._lastZIndex++; + layer.setZIndex(this._lastZIndex); + } + }, + + _update: function () { + if (!this._container) { + return; + } + + this._baseLayersList.innerHTML = ''; + this._overlaysList.innerHTML = ''; + + var baseLayersPresent = false, + overlaysPresent = false, + i, obj; + + for (i in this._layers) { + obj = this._layers[i]; + this._addItem(obj); + overlaysPresent = overlaysPresent || obj.overlay; + baseLayersPresent = baseLayersPresent || !obj.overlay; + } + + this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none'; + }, + + _onLayerChange: function (e) { + var obj = this._layers[L.stamp(e.layer)]; + + if (!obj) { return; } + + if (!this._handlingClick) { + this._update(); + } + + var type = obj.overlay ? + (e.type === 'layeradd' ? 'overlayadd' : 'overlayremove') : + (e.type === 'layeradd' ? 'baselayerchange' : null); + + if (type) { + this._map.fire(type, obj); + } + }, + + // IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe) + _createRadioElement: function (name, checked) { + + var radioHtml = '= 0) { + this._onZoomTransitionEnd(); + } + }, + + _nothingToAnimate: function () { + return !this._container.getElementsByClassName('leaflet-zoom-animated').length; + }, + + _tryAnimatedZoom: function (center, zoom, options) { + + if (this._animatingZoom) { return true; } + + options = options || {}; + + // don't animate if disabled, not supported or zoom difference is too large + if (!this._zoomAnimated || options.animate === false || this._nothingToAnimate() || + Math.abs(zoom - this._zoom) > this.options.zoomAnimationThreshold) { return false; } + + // offset is the pixel coords of the zoom origin relative to the current center + var scale = this.getZoomScale(zoom), + offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale), + origin = this._getCenterLayerPoint()._add(offset); + + // don't animate if the zoom origin isn't within one screen from the current center, unless forced + if (options.animate !== true && !this.getSize().contains(offset)) { return false; } + + this + .fire('movestart') + .fire('zoomstart'); + + this._animateZoom(center, zoom, origin, scale, null, true); + + return true; + }, + + _animateZoom: function (center, zoom, origin, scale, delta, backwards, forTouchZoom) { + + if (!forTouchZoom) { + this._animatingZoom = true; + } + + // put transform transition on all layers with leaflet-zoom-animated class + L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim'); + + // remember what center/zoom to set after animation + this._animateToCenter = center; + this._animateToZoom = zoom; + + // disable any dragging during animation + if (L.Draggable) { + L.Draggable._disabled = true; + } + + L.Util.requestAnimFrame(function () { + this.fire('zoomanim', { + center: center, + zoom: zoom, + origin: origin, + scale: scale, + delta: delta, + backwards: backwards + }); + // horrible hack to work around a Chrome bug https://github.com/Leaflet/Leaflet/issues/3689 + setTimeout(L.bind(this._onZoomTransitionEnd, this), 250); + }, this); + }, + + _onZoomTransitionEnd: function () { + if (!this._animatingZoom) { return; } + + this._animatingZoom = false; + + L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim'); + + L.Util.requestAnimFrame(function () { + this._resetView(this._animateToCenter, this._animateToZoom, true, true); + + if (L.Draggable) { + L.Draggable._disabled = false; + } + }, this); + } +}); + + +/* + Zoom animation logic for L.TileLayer. +*/ + +L.TileLayer.include({ + _animateZoom: function (e) { + if (!this._animating) { + this._animating = true; + this._prepareBgBuffer(); + } + + var bg = this._bgBuffer, + transform = L.DomUtil.TRANSFORM, + initialTransform = e.delta ? L.DomUtil.getTranslateString(e.delta) : bg.style[transform], + scaleStr = L.DomUtil.getScaleString(e.scale, e.origin); + + bg.style[transform] = e.backwards ? + scaleStr + ' ' + initialTransform : + initialTransform + ' ' + scaleStr; + }, + + _endZoomAnim: function () { + var front = this._tileContainer, + bg = this._bgBuffer; + + front.style.visibility = ''; + front.parentNode.appendChild(front); // Bring to fore + + // force reflow + L.Util.falseFn(bg.offsetWidth); + + var zoom = this._map.getZoom(); + if (zoom > this.options.maxZoom || zoom < this.options.minZoom) { + this._clearBgBuffer(); + } + + this._animating = false; + }, + + _clearBgBuffer: function () { + var map = this._map; + + if (map && !map._animatingZoom && !map.touchZoom._zooming) { + this._bgBuffer.innerHTML = ''; + this._bgBuffer.style[L.DomUtil.TRANSFORM] = ''; + } + }, + + _prepareBgBuffer: function () { + + var front = this._tileContainer, + bg = this._bgBuffer; + + // if foreground layer doesn't have many tiles but bg layer does, + // keep the existing bg layer and just zoom it some more + + var bgLoaded = this._getLoadedTilesPercentage(bg), + frontLoaded = this._getLoadedTilesPercentage(front); + + if (bg && bgLoaded > 0.5 && frontLoaded < 0.5) { + + front.style.visibility = 'hidden'; + this._stopLoadingImages(front); + return; + } + + // prepare the buffer to become the front tile pane + bg.style.visibility = 'hidden'; + bg.style[L.DomUtil.TRANSFORM] = ''; + + // switch out the current layer to be the new bg layer (and vice-versa) + this._tileContainer = bg; + bg = this._bgBuffer = front; + + this._stopLoadingImages(bg); + + //prevent bg buffer from clearing right after zoom + clearTimeout(this._clearBgBufferTimer); + }, + + _getLoadedTilesPercentage: function (container) { + var tiles = container.getElementsByTagName('img'), + i, len, count = 0; + + for (i = 0, len = tiles.length; i < len; i++) { + if (tiles[i].complete) { + count++; + } + } + return count / len; + }, + + // stops loading all tiles in the background layer + _stopLoadingImages: function (container) { + var tiles = Array.prototype.slice.call(container.getElementsByTagName('img')), + i, len, tile; + + for (i = 0, len = tiles.length; i < len; i++) { + tile = tiles[i]; + + if (!tile.complete) { + tile.onload = L.Util.falseFn; + tile.onerror = L.Util.falseFn; + tile.src = L.Util.emptyImageUrl; + + tile.parentNode.removeChild(tile); + } + } + } +}); + + +/* + * Provides L.Map with convenient shortcuts for using browser geolocation features. + */ + +L.Map.include({ + _defaultLocateOptions: { + watch: false, + setView: false, + maxZoom: Infinity, + timeout: 10000, + maximumAge: 0, + enableHighAccuracy: false + }, + + locate: function (/*Object*/ options) { + + options = this._locateOptions = L.extend(this._defaultLocateOptions, options); + + if (!navigator.geolocation) { + this._handleGeolocationError({ + code: 0, + message: 'Geolocation not supported.' + }); + return this; + } + + var onResponse = L.bind(this._handleGeolocationResponse, this), + onError = L.bind(this._handleGeolocationError, this); + + if (options.watch) { + this._locationWatchId = + navigator.geolocation.watchPosition(onResponse, onError, options); + } else { + navigator.geolocation.getCurrentPosition(onResponse, onError, options); + } + return this; + }, + + stopLocate: function () { + if (navigator.geolocation) { + navigator.geolocation.clearWatch(this._locationWatchId); + } + if (this._locateOptions) { + this._locateOptions.setView = false; + } + return this; + }, + + _handleGeolocationError: function (error) { + var c = error.code, + message = error.message || + (c === 1 ? 'permission denied' : + (c === 2 ? 'position unavailable' : 'timeout')); + + if (this._locateOptions.setView && !this._loaded) { + this.fitWorld(); + } + + this.fire('locationerror', { + code: c, + message: 'Geolocation error: ' + message + '.' + }); + }, + + _handleGeolocationResponse: function (pos) { + var lat = pos.coords.latitude, + lng = pos.coords.longitude, + latlng = new L.LatLng(lat, lng), + + latAccuracy = 180 * pos.coords.accuracy / 40075017, + lngAccuracy = latAccuracy / Math.cos(L.LatLng.DEG_TO_RAD * lat), + + bounds = L.latLngBounds( + [lat - latAccuracy, lng - lngAccuracy], + [lat + latAccuracy, lng + lngAccuracy]), + + options = this._locateOptions; + + if (options.setView) { + var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom); + this.setView(latlng, zoom); + } + + var data = { + latlng: latlng, + bounds: bounds, + timestamp: pos.timestamp + }; + + for (var i in pos.coords) { + if (typeof pos.coords[i] === 'number') { + data[i] = pos.coords[i]; + } + } + + this.fire('locationfound', data); + } +}); + + +}(window, document)); \ No newline at end of file diff --git a/bornhack/static_src/js/leaflet.js b/bornhack/static_src/js/leaflet.js new file mode 100644 index 00000000..ee5ff5a1 --- /dev/null +++ b/bornhack/static_src/js/leaflet.js @@ -0,0 +1,9 @@ +/* + Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com + (c) 2010-2013, Vladimir Agafonkin + (c) 2010-2011, CloudMade +*/ +!function(t,e,i){var n=t.L,o={};o.version="0.7.7","object"==typeof module&&"object"==typeof module.exports?module.exports=o:"function"==typeof define&&define.amd&&define(o),o.noConflict=function(){return t.L=n,this},t.L=o,o.Util={extend:function(t){var e,i,n,o,s=Array.prototype.slice.call(arguments,1);for(i=0,n=s.length;n>i;i++){o=s[i]||{};for(e in o)o.hasOwnProperty(e)&&(t[e]=o[e])}return t},bind:function(t,e){var i=arguments.length>2?Array.prototype.slice.call(arguments,2):null;return function(){return t.apply(e,i||arguments)}},stamp:function(){var 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this[s],this},fireEvent:function(t,e){if(!this.hasEventListeners(t))return this;var i,n,a,r,h,l=o.Util.extend({},e,{type:t,target:this}),u=this[s];if(u[t])for(i=u[t].slice(),n=0,a=i.length;a>n;n++)i[n].action.call(i[n].context,l);r=u[t+"_idx"];for(h in r)if(i=r[h].slice())for(n=0,a=i.length;a>n;n++)i[n].action.call(i[n].context,l);return this},addOneTimeEventListener:function(t,e,i){if(o.Util.invokeEach(t,this.addOneTimeEventListener,this,e,i))return this;var n=o.bind(function(){this.removeEventListener(t,e,i).removeEventListener(t,n,i)},this);return this.addEventListener(t,e,i).addEventListener(t,n,i)}},o.Mixin.Events.on=o.Mixin.Events.addEventListener,o.Mixin.Events.off=o.Mixin.Events.removeEventListener,o.Mixin.Events.once=o.Mixin.Events.addOneTimeEventListener,o.Mixin.Events.fire=o.Mixin.Events.fireEvent,function(){var n="ActiveXObject"in 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t.DocumentTouch);o.Browser={ie:n,ielt9:s,webkit:r,gecko:d&&!r&&!t.opera&&!n,android:u,android23:c,chrome:h,ie3d:v,webkit3d:y,gecko3d:P,opera3d:L,any3d:x,mobile:p,mobileWebkit:p&&r,mobileWebkit3d:p&&y,mobileOpera:p&&t.opera,touch:w,msPointer:_,pointer:m,retina:f}}(),o.Point=function(t,e,i){this.x=i?Math.round(t):t,this.y=i?Math.round(e):e},o.Point.prototype={clone:function(){return new o.Point(this.x,this.y)},add:function(t){return this.clone()._add(o.point(t))},_add:function(t){return this.x+=t.x,this.y+=t.y,this},subtract:function(t){return this.clone()._subtract(o.point(t))},_subtract:function(t){return this.x-=t.x,this.y-=t.y,this},divideBy:function(t){return this.clone()._divideBy(t)},_divideBy:function(t){return this.x/=t,this.y/=t,this},multiplyBy:function(t){return this.clone()._multiplyBy(t)},_multiplyBy:function(t){return this.x*=t,this.y*=t,this},round:function(){return this.clone()._round()},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this},floor:function(){return this.clone()._floor()},_floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this},distanceTo:function(t){t=o.point(t);var e=t.x-this.x,i=t.y-this.y;return Math.sqrt(e*e+i*i)},equals:function(t){return t=o.point(t),t.x===this.x&&t.y===this.y},contains:function(t){return t=o.point(t),Math.abs(t.x)<=Math.abs(this.x)&&Math.abs(t.y)<=Math.abs(this.y)},toString:function(){return"Point("+o.Util.formatNum(this.x)+", "+o.Util.formatNum(this.y)+")"}},o.point=function(t,e,n){return t instanceof o.Point?t:o.Util.isArray(t)?new o.Point(t[0],t[1]):t===i||null===t?t:new o.Point(t,e,n)},o.Bounds=function(t,e){if(t)for(var i=e?[t,e]:t,n=0,o=i.length;o>n;n++)this.extend(i[n])},o.Bounds.prototype={extend:function(t){return t=o.point(t),this.min||this.max?(this.min.x=Math.min(t.x,this.min.x),this.max.x=Math.max(t.x,this.max.x),this.min.y=Math.min(t.y,this.min.y),this.max.y=Math.max(t.y,this.max.y)):(this.min=t.clone(),this.max=t.clone()),this},getCenter:function(t){return new o.Point((this.min.x+this.max.x)/2,(this.min.y+this.max.y)/2,t)},getBottomLeft:function(){return new o.Point(this.min.x,this.max.y)},getTopRight:function(){return new o.Point(this.max.x,this.min.y)},getSize:function(){return this.max.subtract(this.min)},contains:function(t){var e,i;return t="number"==typeof t[0]||t instanceof o.Point?o.point(t):o.bounds(t),t instanceof o.Bounds?(e=t.min,i=t.max):e=i=t,e.x>=this.min.x&&i.x<=this.max.x&&e.y>=this.min.y&&i.y<=this.max.y},intersects:function(t){t=o.bounds(t);var e=this.min,i=this.max,n=t.min,s=t.max,a=s.x>=e.x&&n.x<=i.x,r=s.y>=e.y&&n.y<=i.y;return a&&r},isValid:function(){return!(!this.min||!this.max)}},o.bounds=function(t,e){return!t||t instanceof o.Bounds?t:new o.Bounds(t,e)},o.Transformation=function(t,e,i,n){this._a=t,this._b=e,this._c=i,this._d=n},o.Transformation.prototype={transform:function(t,e){return this._transform(t.clone(),e)},_transform:function(t,e){return e=e||1,t.x=e*(this._a*t.x+this._b),t.y=e*(this._c*t.y+this._d),t},untransform:function(t,e){return e=e||1,new o.Point((t.x/e-this._b)/this._a,(t.y/e-this._d)/this._c)}},o.DomUtil={get:function(t){return"string"==typeof t?e.getElementById(t):t},getStyle:function(t,i){var n=t.style[i];if(!n&&t.currentStyle&&(n=t.currentStyle[i]),(!n||"auto"===n)&&e.defaultView){var o=e.defaultView.getComputedStyle(t,null);n=o?o[i]:null}return"auto"===n?null:n},getViewportOffset:function(t){var i,n=0,s=0,a=t,r=e.body,h=e.documentElement;do{if(n+=a.offsetTop||0,s+=a.offsetLeft||0,n+=parseInt(o.DomUtil.getStyle(a,"borderTopWidth"),10)||0,s+=parseInt(o.DomUtil.getStyle(a,"borderLeftWidth"),10)||0,i=o.DomUtil.getStyle(a,"position"),a.offsetParent===r&&"absolute"===i)break;if("fixed"===i){n+=r.scrollTop||h.scrollTop||0,s+=r.scrollLeft||h.scrollLeft||0;break}if("relative"===i&&!a.offsetLeft){var l=o.DomUtil.getStyle(a,"width"),u=o.DomUtil.getStyle(a,"max-width"),c=a.getBoundingClientRect();("none"!==l||"none"!==u)&&(s+=c.left+a.clientLeft),n+=c.top+(r.scrollTop||h.scrollTop||0);break}a=a.offsetParent}while(a);a=t;do{if(a===r)break;n-=a.scrollTop||0,s-=a.scrollLeft||0,a=a.parentNode}while(a);return new o.Point(s,n)},documentIsLtr:function(){return o.DomUtil._docIsLtrCached||(o.DomUtil._docIsLtrCached=!0,o.DomUtil._docIsLtr="ltr"===o.DomUtil.getStyle(e.body,"direction")),o.DomUtil._docIsLtr},create:function(t,i,n){var o=e.createElement(t);return o.className=i,n&&n.appendChild(o),o},hasClass:function(t,e){if(t.classList!==i)return t.classList.contains(e);var n=o.DomUtil._getClass(t);return n.length>0&&new RegExp("(^|\\s)"+e+"(\\s|$)").test(n)},addClass:function(t,e){if(t.classList!==i)for(var n=o.Util.splitWords(e),s=0,a=n.length;a>s;s++)t.classList.add(n[s]);else if(!o.DomUtil.hasClass(t,e)){var r=o.DomUtil._getClass(t);o.DomUtil._setClass(t,(r?r+" ":"")+e)}},removeClass:function(t,e){t.classList!==i?t.classList.remove(e):o.DomUtil._setClass(t,o.Util.trim((" "+o.DomUtil._getClass(t)+" ").replace(" "+e+" "," ")))},_setClass:function(t,e){t.className.baseVal===i?t.className=e:t.className.baseVal=e},_getClass:function(t){return t.className.baseVal===i?t.className:t.className.baseVal},setOpacity:function(t,e){if("opacity"in t.style)t.style.opacity=e;else if("filter"in t.style){var i=!1,n="DXImageTransform.Microsoft.Alpha";try{i=t.filters.item(n)}catch(o){if(1===e)return}e=Math.round(100*e),i?(i.Enabled=100!==e,i.Opacity=e):t.style.filter+=" progid:"+n+"(opacity="+e+")"}},testProp:function(t){for(var i=e.documentElement.style,n=0;ni||i===e?e:t),new o.LatLng(this.lat,i)}},o.latLng=function(t,e){return t instanceof o.LatLng?t:o.Util.isArray(t)?"number"==typeof t[0]||"string"==typeof t[0]?new o.LatLng(t[0],t[1],t[2]):null:t===i||null===t?t:"object"==typeof t&&"lat"in t?new o.LatLng(t.lat,"lng"in t?t.lng:t.lon):e===i?null:new o.LatLng(t,e)},o.LatLngBounds=function(t,e){if(t)for(var i=e?[t,e]:t,n=0,o=i.length;o>n;n++)this.extend(i[n])},o.LatLngBounds.prototype={extend:function(t){if(!t)return this;var e=o.latLng(t);return t=null!==e?e:o.latLngBounds(t),t instanceof o.LatLng?this._southWest||this._northEast?(this._southWest.lat=Math.min(t.lat,this._southWest.lat),this._southWest.lng=Math.min(t.lng,this._southWest.lng),this._northEast.lat=Math.max(t.lat,this._northEast.lat),this._northEast.lng=Math.max(t.lng,this._northEast.lng)):(this._southWest=new o.LatLng(t.lat,t.lng),this._northEast=new o.LatLng(t.lat,t.lng)):t instanceof o.LatLngBounds&&(this.extend(t._southWest),this.extend(t._northEast)),this},pad:function(t){var e=this._southWest,i=this._northEast,n=Math.abs(e.lat-i.lat)*t,s=Math.abs(e.lng-i.lng)*t;return new o.LatLngBounds(new o.LatLng(e.lat-n,e.lng-s),new o.LatLng(i.lat+n,i.lng+s))},getCenter:function(){return new o.LatLng((this._southWest.lat+this._northEast.lat)/2,(this._southWest.lng+this._northEast.lng)/2)},getSouthWest:function(){return this._southWest},getNorthEast:function(){return this._northEast},getNorthWest:function(){return new o.LatLng(this.getNorth(),this.getWest())},getSouthEast:function(){return new o.LatLng(this.getSouth(),this.getEast())},getWest:function(){return this._southWest.lng},getSouth:function(){return this._southWest.lat},getEast:function(){return this._northEast.lng},getNorth:function(){return this._northEast.lat},contains:function(t){t="number"==typeof t[0]||t instanceof o.LatLng?o.latLng(t):o.latLngBounds(t);var e,i,n=this._southWest,s=this._northEast;return t instanceof o.LatLngBounds?(e=t.getSouthWest(),i=t.getNorthEast()):e=i=t,e.lat>=n.lat&&i.lat<=s.lat&&e.lng>=n.lng&&i.lng<=s.lng},intersects:function(t){t=o.latLngBounds(t);var e=this._southWest,i=this._northEast,n=t.getSouthWest(),s=t.getNorthEast(),a=s.lat>=e.lat&&n.lat<=i.lat,r=s.lng>=e.lng&&n.lng<=i.lng;return a&&r},toBBoxString:function(){return[this.getWest(),this.getSouth(),this.getEast(),this.getNorth()].join(",")},equals:function(t){return t?(t=o.latLngBounds(t),this._southWest.equals(t.getSouthWest())&&this._northEast.equals(t.getNorthEast())):!1},isValid:function(){return!(!this._southWest||!this._northEast)}},o.latLngBounds=function(t,e){return!t||t instanceof o.LatLngBounds?t:new o.LatLngBounds(t,e)},o.Projection={},o.Projection.SphericalMercator={MAX_LATITUDE:85.0511287798,project:function(t){var e=o.LatLng.DEG_TO_RAD,i=this.MAX_LATITUDE,n=Math.max(Math.min(i,t.lat),-i),s=t.lng*e,a=n*e;return a=Math.log(Math.tan(Math.PI/4+a/2)),new o.Point(s,a)},unproject:function(t){var e=o.LatLng.RAD_TO_DEG,i=t.x*e,n=(2*Math.atan(Math.exp(t.y))-Math.PI/2)*e;return new o.LatLng(n,i)}},o.Projection.LonLat={project:function(t){return new o.Point(t.lng,t.lat)},unproject:function(t){return new o.LatLng(t.y,t.x)}},o.CRS={latLngToPoint:function(t,e){var i=this.projection.project(t),n=this.scale(e);return this.transformation._transform(i,n)},pointToLatLng:function(t,e){var i=this.scale(e),n=this.transformation.untransform(t,i);return this.projection.unproject(n)},project:function(t){return this.projection.project(t)},scale:function(t){return 256*Math.pow(2,t)},getSize:function(t){var e=this.scale(t);return o.point(e,e)}},o.CRS.Simple=o.extend({},o.CRS,{projection:o.Projection.LonLat,transformation:new o.Transformation(1,0,-1,0),scale:function(t){return Math.pow(2,t)}}),o.CRS.EPSG3857=o.extend({},o.CRS,{code:"EPSG:3857",projection:o.Projection.SphericalMercator,transformation:new o.Transformation(.5/Math.PI,.5,-.5/Math.PI,.5),project:function(t){var e=this.projection.project(t),i=6378137;return e.multiplyBy(i)}}),o.CRS.EPSG900913=o.extend({},o.CRS.EPSG3857,{code:"EPSG:900913"}),o.CRS.EPSG4326=o.extend({},o.CRS,{code:"EPSG:4326",projection:o.Projection.LonLat,transformation:new o.Transformation(1/360,.5,-1/360,.5)}),o.Map=o.Class.extend({includes:o.Mixin.Events,options:{crs:o.CRS.EPSG3857,fadeAnimation:o.DomUtil.TRANSITION&&!o.Browser.android23,trackResize:!0,markerZoomAnimation:o.DomUtil.TRANSITION&&o.Browser.any3d},initialize:function(t,e){e=o.setOptions(this,e),this._initContainer(t),this._initLayout(),this._onResize=o.bind(this._onResize,this),this._initEvents(),e.maxBounds&&this.setMaxBounds(e.maxBounds),e.center&&e.zoom!==i&&this.setView(o.latLng(e.center),e.zoom,{reset:!0}),this._handlers=[],this._layers={},this._zoomBoundLayers={},this._tileLayersNum=0,this.callInitHooks(),this._addLayers(e.layers)},setView:function(t,e){return e=e===i?this.getZoom():e,this._resetView(o.latLng(t),this._limitZoom(e)),this},setZoom:function(t,e){return this._loaded?this.setView(this.getCenter(),t,{zoom:e}):(this._zoom=this._limitZoom(t),this)},zoomIn:function(t,e){return this.setZoom(this._zoom+(t||1),e)},zoomOut:function(t,e){return this.setZoom(this._zoom-(t||1),e)},setZoomAround:function(t,e,i){var n=this.getZoomScale(e),s=this.getSize().divideBy(2),a=t instanceof o.Point?t:this.latLngToContainerPoint(t),r=a.subtract(s).multiplyBy(1-1/n),h=this.containerPointToLatLng(s.add(r));return this.setView(h,e,{zoom:i})},fitBounds:function(t,e){e=e||{},t=t.getBounds?t.getBounds():o.latLngBounds(t);var i=o.point(e.paddingTopLeft||e.padding||[0,0]),n=o.point(e.paddingBottomRight||e.padding||[0,0]),s=this.getBoundsZoom(t,!1,i.add(n));s=e.maxZoom?Math.min(e.maxZoom,s):s;var a=n.subtract(i).divideBy(2),r=this.project(t.getSouthWest(),s),h=this.project(t.getNorthEast(),s),l=this.unproject(r.add(h).divideBy(2).add(a),s);return this.setView(l,s,e)},fitWorld:function(t){return this.fitBounds([[-90,-180],[90,180]],t)},panTo:function(t,e){return this.setView(t,this._zoom,{pan:e})},panBy:function(t){return this.fire("movestart"),this._rawPanBy(o.point(t)),this.fire("move"),this.fire("moveend")},setMaxBounds:function(t){return t=o.latLngBounds(t),this.options.maxBounds=t,t?(this._loaded&&this._panInsideMaxBounds(),this.on("moveend",this._panInsideMaxBounds,this)):this.off("moveend",this._panInsideMaxBounds,this)},panInsideBounds:function(t,e){var i=this.getCenter(),n=this._limitCenter(i,this._zoom,t);return i.equals(n)?this:this.panTo(n,e)},addLayer:function(t){var e=o.stamp(t);return this._layers[e]?this:(this._layers[e]=t,!t.options||isNaN(t.options.maxZoom)&&isNaN(t.options.minZoom)||(this._zoomBoundLayers[e]=t,this._updateZoomLevels()),this.options.zoomAnimation&&o.TileLayer&&t instanceof o.TileLayer&&(this._tileLayersNum++,this._tileLayersToLoad++,t.on("load",this._onTileLayerLoad,this)),this._loaded&&this._layerAdd(t),this)},removeLayer:function(t){var e=o.stamp(t);return this._layers[e]?(this._loaded&&t.onRemove(this),delete this._layers[e],this._loaded&&this.fire("layerremove",{layer:t}),this._zoomBoundLayers[e]&&(delete this._zoomBoundLayers[e],this._updateZoomLevels()),this.options.zoomAnimation&&o.TileLayer&&t instanceof o.TileLayer&&(this._tileLayersNum--,this._tileLayersToLoad--,t.off("load",this._onTileLayerLoad,this)),this):this},hasLayer:function(t){return t?o.stamp(t)in this._layers:!1},eachLayer:function(t,e){for(var i in this._layers)t.call(e,this._layers[i]);return this},invalidateSize:function(t){if(!this._loaded)return this;t=o.extend({animate:!1,pan:!0},t===!0?{animate:!0}:t);var e=this.getSize();this._sizeChanged=!0,this._initialCenter=null;var i=this.getSize(),n=e.divideBy(2).round(),s=i.divideBy(2).round(),a=n.subtract(s);return a.x||a.y?(t.animate&&t.pan?this.panBy(a):(t.pan&&this._rawPanBy(a),this.fire("move"),t.debounceMoveend?(clearTimeout(this._sizeTimer),this._sizeTimer=setTimeout(o.bind(this.fire,this,"moveend"),200)):this.fire("moveend")),this.fire("resize",{oldSize:e,newSize:i})):this},addHandler:function(t,e){if(!e)return this;var i=this[t]=new e(this);return this._handlers.push(i),this.options[t]&&i.enable(),this},remove:function(){this._loaded&&this.fire("unload"),this._initEvents("off");try{delete this._container._leaflet}catch(t){this._container._leaflet=i}return this._clearPanes(),this._clearControlPos&&this._clearControlPos(),this._clearHandlers(),this},getCenter:function(){return this._checkIfLoaded(),this._initialCenter&&!this._moved()?this._initialCenter:this.layerPointToLatLng(this._getCenterLayerPoint())},getZoom:function(){return this._zoom},getBounds:function(){var t=this.getPixelBounds(),e=this.unproject(t.getBottomLeft()),i=this.unproject(t.getTopRight());return new o.LatLngBounds(e,i)},getMinZoom:function(){return this.options.minZoom===i?this._layersMinZoom===i?0:this._layersMinZoom:this.options.minZoom},getMaxZoom:function(){return this.options.maxZoom===i?this._layersMaxZoom===i?1/0:this._layersMaxZoom:this.options.maxZoom},getBoundsZoom:function(t,e,i){t=o.latLngBounds(t);var n,s=this.getMinZoom()-(e?1:0),a=this.getMaxZoom(),r=this.getSize(),h=t.getNorthWest(),l=t.getSouthEast(),u=!0;i=o.point(i||[0,0]);do s++,n=this.project(l,s).subtract(this.project(h,s)).add(i),u=e?n.x=s);return u&&e?null:e?s:s-1},getSize:function(){return(!this._size||this._sizeChanged)&&(this._size=new o.Point(this._container.clientWidth,this._container.clientHeight),this._sizeChanged=!1),this._size.clone()},getPixelBounds:function(){var t=this._getTopLeftPoint();return new o.Bounds(t,t.add(this.getSize()))},getPixelOrigin:function(){return this._checkIfLoaded(),this._initialTopLeftPoint},getPanes:function(){return this._panes},getContainer:function(){return this._container},getZoomScale:function(t){var e=this.options.crs;return e.scale(t)/e.scale(this._zoom)},getScaleZoom:function(t){return this._zoom+Math.log(t)/Math.LN2},project:function(t,e){return e=e===i?this._zoom:e,this.options.crs.latLngToPoint(o.latLng(t),e)},unproject:function(t,e){return e=e===i?this._zoom:e,this.options.crs.pointToLatLng(o.point(t),e)},layerPointToLatLng:function(t){var e=o.point(t).add(this.getPixelOrigin());return this.unproject(e)},latLngToLayerPoint:function(t){var e=this.project(o.latLng(t))._round();return e._subtract(this.getPixelOrigin())},containerPointToLayerPoint:function(t){return o.point(t).subtract(this._getMapPanePos())},layerPointToContainerPoint:function(t){return o.point(t).add(this._getMapPanePos())},containerPointToLatLng:function(t){var e=this.containerPointToLayerPoint(o.point(t));return this.layerPointToLatLng(e)},latLngToContainerPoint:function(t){return this.layerPointToContainerPoint(this.latLngToLayerPoint(o.latLng(t)))},mouseEventToContainerPoint:function(t){return o.DomEvent.getMousePosition(t,this._container)},mouseEventToLayerPoint:function(t){return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(t))},mouseEventToLatLng:function(t){return this.layerPointToLatLng(this.mouseEventToLayerPoint(t))},_initContainer:function(t){var e=this._container=o.DomUtil.get(t);if(!e)throw new Error("Map container not found.");if(e._leaflet)throw new Error("Map container is already initialized.");e._leaflet=!0},_initLayout:function(){var t=this._container;o.DomUtil.addClass(t,"leaflet-container"+(o.Browser.touch?" leaflet-touch":"")+(o.Browser.retina?" leaflet-retina":"")+(o.Browser.ielt9?" leaflet-oldie":"")+(this.options.fadeAnimation?" leaflet-fade-anim":""));var e=o.DomUtil.getStyle(t,"position");"absolute"!==e&&"relative"!==e&&"fixed"!==e&&(t.style.position="relative"),this._initPanes(),this._initControlPos&&this._initControlPos()},_initPanes:function(){var t=this._panes={};this._mapPane=t.mapPane=this._createPane("leaflet-map-pane",this._container),this._tilePane=t.tilePane=this._createPane("leaflet-tile-pane",this._mapPane),t.objectsPane=this._createPane("leaflet-objects-pane",this._mapPane),t.shadowPane=this._createPane("leaflet-shadow-pane"),t.overlayPane=this._createPane("leaflet-overlay-pane"),t.markerPane=this._createPane("leaflet-marker-pane"),t.popupPane=this._createPane("leaflet-popup-pane");var e=" leaflet-zoom-hide";this.options.markerZoomAnimation||(o.DomUtil.addClass(t.markerPane,e),o.DomUtil.addClass(t.shadowPane,e),o.DomUtil.addClass(t.popupPane,e))},_createPane:function(t,e){return o.DomUtil.create("div",t,e||this._panes.objectsPane)},_clearPanes:function(){this._container.removeChild(this._mapPane)},_addLayers:function(t){t=t?o.Util.isArray(t)?t:[t]:[];for(var e=0,i=t.length;i>e;e++)this.addLayer(t[e])},_resetView:function(t,e,i,n){var s=this._zoom!==e;n||(this.fire("movestart"),s&&this.fire("zoomstart")),this._zoom=e,this._initialCenter=t,this._initialTopLeftPoint=this._getNewTopLeftPoint(t),i?this._initialTopLeftPoint._add(this._getMapPanePos()):o.DomUtil.setPosition(this._mapPane,new o.Point(0,0)),this._tileLayersToLoad=this._tileLayersNum;var a=!this._loaded;this._loaded=!0,this.fire("viewreset",{hard:!i}),a&&(this.fire("load"),this.eachLayer(this._layerAdd,this)),this.fire("move"),(s||n)&&this.fire("zoomend"),this.fire("moveend",{hard:!i})},_rawPanBy:function(t){o.DomUtil.setPosition(this._mapPane,this._getMapPanePos().subtract(t))},_getZoomSpan:function(){return this.getMaxZoom()-this.getMinZoom()},_updateZoomLevels:function(){var t,e=1/0,n=-(1/0),o=this._getZoomSpan();for(t in this._zoomBoundLayers){var s=this._zoomBoundLayers[t];isNaN(s.options.minZoom)||(e=Math.min(e,s.options.minZoom)),isNaN(s.options.maxZoom)||(n=Math.max(n,s.options.maxZoom))}t===i?this._layersMaxZoom=this._layersMinZoom=i:(this._layersMaxZoom=n,this._layersMinZoom=e),o!==this._getZoomSpan()&&this.fire("zoomlevelschange")},_panInsideMaxBounds:function(){this.panInsideBounds(this.options.maxBounds)},_checkIfLoaded:function(){if(!this._loaded)throw new Error("Set map center and zoom first.")},_initEvents:function(e){if(o.DomEvent){e=e||"on",o.DomEvent[e](this._container,"click",this._onMouseClick,this);var i,n,s=["dblclick","mousedown","mouseup","mouseenter","mouseleave","mousemove","contextmenu"];for(i=0,n=s.length;n>i;i++)o.DomEvent[e](this._container,s[i],this._fireMouseEvent,this);this.options.trackResize&&o.DomEvent[e](t,"resize",this._onResize,this)}},_onResize:function(){o.Util.cancelAnimFrame(this._resizeRequest),this._resizeRequest=o.Util.requestAnimFrame(function(){this.invalidateSize({debounceMoveend:!0})},this,!1,this._container)},_onMouseClick:function(t){!this._loaded||!t._simulated&&(this.dragging&&this.dragging.moved()||this.boxZoom&&this.boxZoom.moved())||o.DomEvent._skipped(t)||(this.fire("preclick"),this._fireMouseEvent(t))},_fireMouseEvent:function(t){if(this._loaded&&!o.DomEvent._skipped(t)){var e=t.type;if(e="mouseenter"===e?"mouseover":"mouseleave"===e?"mouseout":e,this.hasEventListeners(e)){"contextmenu"===e&&o.DomEvent.preventDefault(t);var i=this.mouseEventToContainerPoint(t),n=this.containerPointToLayerPoint(i),s=this.layerPointToLatLng(n);this.fire(e,{latlng:s,layerPoint:n,containerPoint:i,originalEvent:t})}}},_onTileLayerLoad:function(){this._tileLayersToLoad--,this._tileLayersNum&&!this._tileLayersToLoad&&this.fire("tilelayersload")},_clearHandlers:function(){for(var t=0,e=this._handlers.length;e>t;t++)this._handlers[t].disable()},whenReady:function(t,e){return this._loaded?t.call(e||this,this):this.on("load",t,e),this},_layerAdd:function(t){t.onAdd(this),this.fire("layeradd",{layer:t})},_getMapPanePos:function(){return o.DomUtil.getPosition(this._mapPane)},_moved:function(){var t=this._getMapPanePos();return t&&!t.equals([0,0])},_getTopLeftPoint:function(){return this.getPixelOrigin().subtract(this._getMapPanePos())},_getNewTopLeftPoint:function(t,e){var i=this.getSize()._divideBy(2);return this.project(t,e)._subtract(i)._round()},_latLngToNewLayerPoint:function(t,e,i){var n=this._getNewTopLeftPoint(i,e).add(this._getMapPanePos());return this.project(t,e)._subtract(n)},_getCenterLayerPoint:function(){return this.containerPointToLayerPoint(this.getSize()._divideBy(2))},_getCenterOffset:function(t){return this.latLngToLayerPoint(t).subtract(this._getCenterLayerPoint())},_limitCenter:function(t,e,i){if(!i)return t;var n=this.project(t,e),s=this.getSize().divideBy(2),a=new o.Bounds(n.subtract(s),n.add(s)),r=this._getBoundsOffset(a,i,e);return this.unproject(n.add(r),e)},_limitOffset:function(t,e){if(!e)return t;var i=this.getPixelBounds(),n=new o.Bounds(i.min.add(t),i.max.add(t));return t.add(this._getBoundsOffset(n,e))},_getBoundsOffset:function(t,e,i){var n=this.project(e.getNorthWest(),i).subtract(t.min),s=this.project(e.getSouthEast(),i).subtract(t.max),a=this._rebound(n.x,-s.x),r=this._rebound(n.y,-s.y);return new o.Point(a,r)},_rebound:function(t,e){return t+e>0?Math.round(t-e)/2:Math.max(0,Math.ceil(t))-Math.max(0,Math.floor(e))},_limitZoom:function(t){var e=this.getMinZoom(),i=this.getMaxZoom();return Math.max(e,Math.min(i,t))}}),o.map=function(t,e){return new o.Map(t,e)},o.Projection.Mercator={MAX_LATITUDE:85.0840591556,R_MINOR:6356752.314245179,R_MAJOR:6378137,project:function(t){var e=o.LatLng.DEG_TO_RAD,i=this.MAX_LATITUDE,n=Math.max(Math.min(i,t.lat),-i),s=this.R_MAJOR,a=this.R_MINOR,r=t.lng*e*s,h=n*e,l=a/s,u=Math.sqrt(1-l*l),c=u*Math.sin(h);c=Math.pow((1-c)/(1+c),.5*u);var d=Math.tan(.5*(.5*Math.PI-h))/c;return h=-s*Math.log(d),new o.Point(r,h)},unproject:function(t){for(var e,i=o.LatLng.RAD_TO_DEG,n=this.R_MAJOR,s=this.R_MINOR,a=t.x*i/n,r=s/n,h=Math.sqrt(1-r*r),l=Math.exp(-t.y/n),u=Math.PI/2-2*Math.atan(l),c=15,d=1e-7,p=c,_=.1;Math.abs(_)>d&&--p>0;)e=h*Math.sin(u),_=Math.PI/2-2*Math.atan(l*Math.pow((1-e)/(1+e),.5*h))-u,u+=_;return new o.LatLng(u*i,a)}},o.CRS.EPSG3395=o.extend({},o.CRS,{code:"EPSG:3395",projection:o.Projection.Mercator, +transformation:function(){var t=o.Projection.Mercator,e=t.R_MAJOR,i=.5/(Math.PI*e);return new o.Transformation(i,.5,-i,.5)}()}),o.TileLayer=o.Class.extend({includes:o.Mixin.Events,options:{minZoom:0,maxZoom:18,tileSize:256,subdomains:"abc",errorTileUrl:"",attribution:"",zoomOffset:0,opacity:1,unloadInvisibleTiles:o.Browser.mobile,updateWhenIdle:o.Browser.mobile},initialize:function(t,e){e=o.setOptions(this,e),e.detectRetina&&o.Browser.retina&&e.maxZoom>0&&(e.tileSize=Math.floor(e.tileSize/2),e.zoomOffset++,e.minZoom>0&&e.minZoom--,this.options.maxZoom--),e.bounds&&(e.bounds=o.latLngBounds(e.bounds)),this._url=t;var i=this.options.subdomains;"string"==typeof i&&(this.options.subdomains=i.split(""))},onAdd:function(t){this._map=t,this._animated=t._zoomAnimated,this._initContainer(),t.on({viewreset:this._reset,moveend:this._update},this),this._animated&&t.on({zoomanim:this._animateZoom,zoomend:this._endZoomAnim},this),this.options.updateWhenIdle||(this._limitedUpdate=o.Util.limitExecByInterval(this._update,150,this),t.on("move",this._limitedUpdate,this)),this._reset(),this._update()},addTo:function(t){return t.addLayer(this),this},onRemove:function(t){this._container.parentNode.removeChild(this._container),t.off({viewreset:this._reset,moveend:this._update},this),this._animated&&t.off({zoomanim:this._animateZoom,zoomend:this._endZoomAnim},this),this.options.updateWhenIdle||t.off("move",this._limitedUpdate,this),this._container=null,this._map=null},bringToFront:function(){var t=this._map._panes.tilePane;return this._container&&(t.appendChild(this._container),this._setAutoZIndex(t,Math.max)),this},bringToBack:function(){var t=this._map._panes.tilePane;return this._container&&(t.insertBefore(this._container,t.firstChild),this._setAutoZIndex(t,Math.min)),this},getAttribution:function(){return this.options.attribution},getContainer:function(){return this._container},setOpacity:function(t){return this.options.opacity=t,this._map&&this._updateOpacity(),this},setZIndex:function(t){return this.options.zIndex=t,this._updateZIndex(),this},setUrl:function(t,e){return this._url=t,e||this.redraw(),this},redraw:function(){return this._map&&(this._reset({hard:!0}),this._update()),this},_updateZIndex:function(){this._container&&this.options.zIndex!==i&&(this._container.style.zIndex=this.options.zIndex)},_setAutoZIndex:function(t,e){var i,n,o,s=t.children,a=-e(1/0,-(1/0));for(n=0,o=s.length;o>n;n++)s[n]!==this._container&&(i=parseInt(s[n].style.zIndex,10),isNaN(i)||(a=e(a,i)));this.options.zIndex=this._container.style.zIndex=(isFinite(a)?a:0)+e(1,-1)},_updateOpacity:function(){var t,e=this._tiles;if(o.Browser.ielt9)for(t in e)o.DomUtil.setOpacity(e[t],this.options.opacity);else o.DomUtil.setOpacity(this._container,this.options.opacity)},_initContainer:function(){var t=this._map._panes.tilePane;if(!this._container){if(this._container=o.DomUtil.create("div","leaflet-layer"),this._updateZIndex(),this._animated){var e="leaflet-tile-container";this._bgBuffer=o.DomUtil.create("div",e,this._container),this._tileContainer=o.DomUtil.create("div",e,this._container)}else this._tileContainer=this._container;t.appendChild(this._container),this.options.opacity<1&&this._updateOpacity()}},_reset:function(t){for(var e in this._tiles)this.fire("tileunload",{tile:this._tiles[e]});this._tiles={},this._tilesToLoad=0,this.options.reuseTiles&&(this._unusedTiles=[]),this._tileContainer.innerHTML="",this._animated&&t&&t.hard&&this._clearBgBuffer(),this._initContainer()},_getTileSize:function(){var t=this._map,e=t.getZoom()+this.options.zoomOffset,i=this.options.maxNativeZoom,n=this.options.tileSize;return i&&e>i&&(n=Math.round(t.getZoomScale(e)/t.getZoomScale(i)*n)),n},_update:function(){if(this._map){var t=this._map,e=t.getPixelBounds(),i=t.getZoom(),n=this._getTileSize();if(!(i>this.options.maxZoom||in;n++)this._addTile(a[n],l);this._tileContainer.appendChild(l)}},_tileShouldBeLoaded:function(t){if(t.x+":"+t.y in this._tiles)return!1;var e=this.options;if(!e.continuousWorld){var i=this._getWrapTileNum();if(e.noWrap&&(t.x<0||t.x>=i.x)||t.y<0||t.y>=i.y)return!1}if(e.bounds){var n=this._getTileSize(),o=t.multiplyBy(n),s=o.add([n,n]),a=this._map.unproject(o),r=this._map.unproject(s);if(e.continuousWorld||e.noWrap||(a=a.wrap(),r=r.wrap()),!e.bounds.intersects([a,r]))return!1}return!0},_removeOtherTiles:function(t){var e,i,n,o;for(o in this._tiles)e=o.split(":"),i=parseInt(e[0],10),n=parseInt(e[1],10),(it.max.x||nt.max.y)&&this._removeTile(o)},_removeTile:function(t){var e=this._tiles[t];this.fire("tileunload",{tile:e,url:e.src}),this.options.reuseTiles?(o.DomUtil.removeClass(e,"leaflet-tile-loaded"),this._unusedTiles.push(e)):e.parentNode===this._tileContainer&&this._tileContainer.removeChild(e),o.Browser.android||(e.onload=null,e.src=o.Util.emptyImageUrl),delete this._tiles[t]},_addTile:function(t,e){var i=this._getTilePos(t),n=this._getTile();o.DomUtil.setPosition(n,i,o.Browser.chrome),this._tiles[t.x+":"+t.y]=n,this._loadTile(n,t),n.parentNode!==this._tileContainer&&e.appendChild(n)},_getZoomForUrl:function(){var t=this.options,e=this._map.getZoom();return t.zoomReverse&&(e=t.maxZoom-e),e+=t.zoomOffset,t.maxNativeZoom?Math.min(e,t.maxNativeZoom):e},_getTilePos:function(t){var e=this._map.getPixelOrigin(),i=this._getTileSize();return t.multiplyBy(i).subtract(e)},getTileUrl:function(t){return o.Util.template(this._url,o.extend({s:this._getSubdomain(t),z:t.z,x:t.x,y:t.y},this.options))},_getWrapTileNum:function(){var t=this._map.options.crs,e=t.getSize(this._map.getZoom());return e.divideBy(this._getTileSize())._floor()},_adjustTilePoint:function(t){var e=this._getWrapTileNum();this.options.continuousWorld||this.options.noWrap||(t.x=(t.x%e.x+e.x)%e.x),this.options.tms&&(t.y=e.y-t.y-1),t.z=this._getZoomForUrl()},_getSubdomain:function(t){var e=Math.abs(t.x+t.y)%this.options.subdomains.length;return this.options.subdomains[e]},_getTile:function(){if(this.options.reuseTiles&&this._unusedTiles.length>0){var t=this._unusedTiles.pop();return this._resetTile(t),t}return this._createTile()},_resetTile:function(){},_createTile:function(){var t=o.DomUtil.create("img","leaflet-tile");return t.style.width=t.style.height=this._getTileSize()+"px",t.galleryimg="no",t.onselectstart=t.onmousemove=o.Util.falseFn,o.Browser.ielt9&&this.options.opacity!==i&&o.DomUtil.setOpacity(t,this.options.opacity),o.Browser.mobileWebkit3d&&(t.style.WebkitBackfaceVisibility="hidden"),t},_loadTile:function(t,e){t._layer=this,t.onload=this._tileOnLoad,t.onerror=this._tileOnError,this._adjustTilePoint(e),t.src=this.getTileUrl(e),this.fire("tileloadstart",{tile:t,url:t.src})},_tileLoaded:function(){this._tilesToLoad--,this._animated&&o.DomUtil.addClass(this._tileContainer,"leaflet-zoom-animated"),this._tilesToLoad||(this.fire("load"),this._animated&&(clearTimeout(this._clearBgBufferTimer),this._clearBgBufferTimer=setTimeout(o.bind(this._clearBgBuffer,this),500)))},_tileOnLoad:function(){var t=this._layer;this.src!==o.Util.emptyImageUrl&&(o.DomUtil.addClass(this,"leaflet-tile-loaded"),t.fire("tileload",{tile:this,url:this.src})),t._tileLoaded()},_tileOnError:function(){var t=this._layer;t.fire("tileerror",{tile:this,url:this.src});var e=t.options.errorTileUrl;e&&(this.src=e),t._tileLoaded()}}),o.tileLayer=function(t,e){return new o.TileLayer(t,e)},o.TileLayer.WMS=o.TileLayer.extend({defaultWmsParams:{service:"WMS",request:"GetMap",version:"1.1.1",layers:"",styles:"",format:"image/jpeg",transparent:!1},initialize:function(t,e){this._url=t;var i=o.extend({},this.defaultWmsParams),n=e.tileSize||this.options.tileSize;e.detectRetina&&o.Browser.retina?i.width=i.height=2*n:i.width=i.height=n;for(var s in e)this.options.hasOwnProperty(s)||"crs"===s||(i[s]=e[s]);this.wmsParams=i,o.setOptions(this,e)},onAdd:function(t){this._crs=this.options.crs||t.options.crs,this._wmsVersion=parseFloat(this.wmsParams.version);var e=this._wmsVersion>=1.3?"crs":"srs";this.wmsParams[e]=this._crs.code,o.TileLayer.prototype.onAdd.call(this,t)},getTileUrl:function(t){var e=this._map,i=this.options.tileSize,n=t.multiplyBy(i),s=n.add([i,i]),a=this._crs.project(e.unproject(n,t.z)),r=this._crs.project(e.unproject(s,t.z)),h=this._wmsVersion>=1.3&&this._crs===o.CRS.EPSG4326?[r.y,a.x,a.y,r.x].join(","):[a.x,r.y,r.x,a.y].join(","),l=o.Util.template(this._url,{s:this._getSubdomain(t)});return l+o.Util.getParamString(this.wmsParams,l,!0)+"&BBOX="+h},setParams:function(t,e){return o.extend(this.wmsParams,t),e||this.redraw(),this}}),o.tileLayer.wms=function(t,e){return new o.TileLayer.WMS(t,e)},o.TileLayer.Canvas=o.TileLayer.extend({options:{async:!1},initialize:function(t){o.setOptions(this,t)},redraw:function(){this._map&&(this._reset({hard:!0}),this._update());for(var t in this._tiles)this._redrawTile(this._tiles[t]);return this},_redrawTile:function(t){this.drawTile(t,t._tilePoint,this._map._zoom)},_createTile:function(){var t=o.DomUtil.create("canvas","leaflet-tile");return t.width=t.height=this.options.tileSize,t.onselectstart=t.onmousemove=o.Util.falseFn,t},_loadTile:function(t,e){t._layer=this,t._tilePoint=e,this._redrawTile(t),this.options.async||this.tileDrawn(t)},drawTile:function(){},tileDrawn:function(t){this._tileOnLoad.call(t)}}),o.tileLayer.canvas=function(t){return new o.TileLayer.Canvas(t)},o.ImageOverlay=o.Class.extend({includes:o.Mixin.Events,options:{opacity:1},initialize:function(t,e,i){this._url=t,this._bounds=o.latLngBounds(e),o.setOptions(this,i)},onAdd:function(t){this._map=t,this._image||this._initImage(),t._panes.overlayPane.appendChild(this._image),t.on("viewreset",this._reset,this),t.options.zoomAnimation&&o.Browser.any3d&&t.on("zoomanim",this._animateZoom,this),this._reset()},onRemove:function(t){t.getPanes().overlayPane.removeChild(this._image),t.off("viewreset",this._reset,this),t.options.zoomAnimation&&t.off("zoomanim",this._animateZoom,this)},addTo:function(t){return t.addLayer(this),this},setOpacity:function(t){return this.options.opacity=t,this._updateOpacity(),this},bringToFront:function(){return this._image&&this._map._panes.overlayPane.appendChild(this._image),this},bringToBack:function(){var t=this._map._panes.overlayPane;return this._image&&t.insertBefore(this._image,t.firstChild),this},setUrl:function(t){this._url=t,this._image.src=this._url},getAttribution:function(){return this.options.attribution},_initImage:function(){this._image=o.DomUtil.create("img","leaflet-image-layer"),this._map.options.zoomAnimation&&o.Browser.any3d?o.DomUtil.addClass(this._image,"leaflet-zoom-animated"):o.DomUtil.addClass(this._image,"leaflet-zoom-hide"),this._updateOpacity(),o.extend(this._image,{galleryimg:"no",onselectstart:o.Util.falseFn,onmousemove:o.Util.falseFn,onload:o.bind(this._onImageLoad,this),src:this._url})},_animateZoom:function(t){var e=this._map,i=this._image,n=e.getZoomScale(t.zoom),s=this._bounds.getNorthWest(),a=this._bounds.getSouthEast(),r=e._latLngToNewLayerPoint(s,t.zoom,t.center),h=e._latLngToNewLayerPoint(a,t.zoom,t.center)._subtract(r),l=r._add(h._multiplyBy(.5*(1-1/n)));i.style[o.DomUtil.TRANSFORM]=o.DomUtil.getTranslateString(l)+" scale("+n+") "},_reset:function(){var t=this._image,e=this._map.latLngToLayerPoint(this._bounds.getNorthWest()),i=this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(e);o.DomUtil.setPosition(t,e),t.style.width=i.x+"px",t.style.height=i.y+"px"},_onImageLoad:function(){this.fire("load")},_updateOpacity:function(){o.DomUtil.setOpacity(this._image,this.options.opacity)}}),o.imageOverlay=function(t,e,i){return new o.ImageOverlay(t,e,i)},o.Icon=o.Class.extend({options:{className:""},initialize:function(t){o.setOptions(this,t)},createIcon:function(t){return this._createIcon("icon",t)},createShadow:function(t){return this._createIcon("shadow",t)},_createIcon:function(t,e){var i=this._getIconUrl(t);if(!i){if("icon"===t)throw new Error("iconUrl not set in Icon options (see the docs).");return null}var n;return n=e&&"IMG"===e.tagName?this._createImg(i,e):this._createImg(i),this._setIconStyles(n,t),n},_setIconStyles:function(t,e){var i,n=this.options,s=o.point(n[e+"Size"]);i="shadow"===e?o.point(n.shadowAnchor||n.iconAnchor):o.point(n.iconAnchor),!i&&s&&(i=s.divideBy(2,!0)),t.className="leaflet-marker-"+e+" "+n.className,i&&(t.style.marginLeft=-i.x+"px",t.style.marginTop=-i.y+"px"),s&&(t.style.width=s.x+"px",t.style.height=s.y+"px")},_createImg:function(t,i){return i=i||e.createElement("img"),i.src=t,i},_getIconUrl:function(t){return o.Browser.retina&&this.options[t+"RetinaUrl"]?this.options[t+"RetinaUrl"]:this.options[t+"Url"]}}),o.icon=function(t){return new o.Icon(t)},o.Icon.Default=o.Icon.extend({options:{iconSize:[25,41],iconAnchor:[12,41],popupAnchor:[1,-34],shadowSize:[41,41]},_getIconUrl:function(t){var e=t+"Url";if(this.options[e])return this.options[e];o.Browser.retina&&"icon"===t&&(t+="-2x");var i=o.Icon.Default.imagePath;if(!i)throw new Error("Couldn't autodetect L.Icon.Default.imagePath, set it manually.");return i+"/marker-"+t+".png"}}),o.Icon.Default.imagePath=function(){var t,i,n,o,s,a=e.getElementsByTagName("script"),r=/[\/^]leaflet[\-\._]?([\w\-\._]*)\.js\??/;for(t=0,i=a.length;i>t;t++)if(n=a[t].src,o=n.match(r))return s=n.split(r)[0],(s?s+"/":"")+"images"}(),o.Marker=o.Class.extend({includes:o.Mixin.Events,options:{icon:new o.Icon.Default,title:"",alt:"",clickable:!0,draggable:!1,keyboard:!0,zIndexOffset:0,opacity:1,riseOnHover:!1,riseOffset:250},initialize:function(t,e){o.setOptions(this,e),this._latlng=o.latLng(t)},onAdd:function(t){this._map=t,t.on("viewreset",this.update,this),this._initIcon(),this.update(),this.fire("add"),t.options.zoomAnimation&&t.options.markerZoomAnimation&&t.on("zoomanim",this._animateZoom,this)},addTo:function(t){return t.addLayer(this),this},onRemove:function(t){this.dragging&&this.dragging.disable(),this._removeIcon(),this._removeShadow(),this.fire("remove"),t.off({viewreset:this.update,zoomanim:this._animateZoom},this),this._map=null},getLatLng:function(){return this._latlng},setLatLng:function(t){return this._latlng=o.latLng(t),this.update(),this.fire("move",{latlng:this._latlng})},setZIndexOffset:function(t){return this.options.zIndexOffset=t,this.update(),this},setIcon:function(t){return this.options.icon=t,this._map&&(this._initIcon(),this.update()),this._popup&&this.bindPopup(this._popup),this},update:function(){return this._icon&&this._setPos(this._map.latLngToLayerPoint(this._latlng).round()),this},_initIcon:function(){var t=this.options,e=this._map,i=e.options.zoomAnimation&&e.options.markerZoomAnimation,n=i?"leaflet-zoom-animated":"leaflet-zoom-hide",s=t.icon.createIcon(this._icon),a=!1;s!==this._icon&&(this._icon&&this._removeIcon(),a=!0,t.title&&(s.title=t.title),t.alt&&(s.alt=t.alt)),o.DomUtil.addClass(s,n),t.keyboard&&(s.tabIndex="0"),this._icon=s,this._initInteraction(),t.riseOnHover&&o.DomEvent.on(s,"mouseover",this._bringToFront,this).on(s,"mouseout",this._resetZIndex,this);var r=t.icon.createShadow(this._shadow),h=!1;r!==this._shadow&&(this._removeShadow(),h=!0),r&&o.DomUtil.addClass(r,n),this._shadow=r,t.opacity<1&&this._updateOpacity();var l=this._map._panes;a&&l.markerPane.appendChild(this._icon),r&&h&&l.shadowPane.appendChild(this._shadow)},_removeIcon:function(){this.options.riseOnHover&&o.DomEvent.off(this._icon,"mouseover",this._bringToFront).off(this._icon,"mouseout",this._resetZIndex),this._map._panes.markerPane.removeChild(this._icon),this._icon=null},_removeShadow:function(){this._shadow&&this._map._panes.shadowPane.removeChild(this._shadow),this._shadow=null},_setPos:function(t){o.DomUtil.setPosition(this._icon,t),this._shadow&&o.DomUtil.setPosition(this._shadow,t),this._zIndex=t.y+this.options.zIndexOffset,this._resetZIndex()},_updateZIndex:function(t){this._icon.style.zIndex=this._zIndex+t},_animateZoom:function(t){var e=this._map._latLngToNewLayerPoint(this._latlng,t.zoom,t.center).round();this._setPos(e)},_initInteraction:function(){if(this.options.clickable){var t=this._icon,e=["dblclick","mousedown","mouseover","mouseout","contextmenu"];o.DomUtil.addClass(t,"leaflet-clickable"),o.DomEvent.on(t,"click",this._onMouseClick,this),o.DomEvent.on(t,"keypress",this._onKeyPress,this);for(var i=0;is?(e.height=s+"px",o.DomUtil.addClass(t,a)):o.DomUtil.removeClass(t,a),this._containerWidth=this._container.offsetWidth},_updatePosition:function(){if(this._map){var t=this._map.latLngToLayerPoint(this._latlng),e=this._animated,i=o.point(this.options.offset);e&&o.DomUtil.setPosition(this._container,t),this._containerBottom=-i.y-(e?0:t.y),this._containerLeft=-Math.round(this._containerWidth/2)+i.x+(e?0:t.x),this._container.style.bottom=this._containerBottom+"px",this._container.style.left=this._containerLeft+"px"}},_zoomAnimation:function(t){var e=this._map._latLngToNewLayerPoint(this._latlng,t.zoom,t.center);o.DomUtil.setPosition(this._container,e)},_adjustPan:function(){if(this.options.autoPan){var t=this._map,e=this._container.offsetHeight,i=this._containerWidth,n=new o.Point(this._containerLeft,-e-this._containerBottom);this._animated&&n._add(o.DomUtil.getPosition(this._container));var s=t.layerPointToContainerPoint(n),a=o.point(this.options.autoPanPadding),r=o.point(this.options.autoPanPaddingTopLeft||a),h=o.point(this.options.autoPanPaddingBottomRight||a),l=t.getSize(),u=0,c=0;s.x+i+h.x>l.x&&(u=s.x+i-l.x+h.x),s.x-u-r.x<0&&(u=s.x-r.x),s.y+e+h.y>l.y&&(c=s.y+e-l.y+h.y),s.y-c-r.y<0&&(c=s.y-r.y),(u||c)&&t.fire("autopanstart").panBy([u,c])}},_onCloseButtonClick:function(t){this._close(),o.DomEvent.stop(t)}}),o.popup=function(t,e){return new o.Popup(t,e)},o.Map.include({openPopup:function(t,e,i){if(this.closePopup(),!(t instanceof o.Popup)){var n=t;t=new o.Popup(i).setLatLng(e).setContent(n)}return t._isOpen=!0,this._popup=t,this.addLayer(t)},closePopup:function(t){return t&&t!==this._popup||(t=this._popup,this._popup=null),t&&(this.removeLayer(t),t._isOpen=!1),this}}),o.Marker.include({openPopup:function(){return this._popup&&this._map&&!this._map.hasLayer(this._popup)&&(this._popup.setLatLng(this._latlng),this._map.openPopup(this._popup)),this},closePopup:function(){return this._popup&&this._popup._close(),this},togglePopup:function(){return this._popup&&(this._popup._isOpen?this.closePopup():this.openPopup()),this},bindPopup:function(t,e){var i=o.point(this.options.icon.options.popupAnchor||[0,0]);return i=i.add(o.Popup.prototype.options.offset),e&&e.offset&&(i=i.add(e.offset)),e=o.extend({offset:i},e),this._popupHandlersAdded||(this.on("click",this.togglePopup,this).on("remove",this.closePopup,this).on("move",this._movePopup,this),this._popupHandlersAdded=!0),t instanceof o.Popup?(o.setOptions(t,e),this._popup=t,t._source=this):this._popup=new o.Popup(e,this).setContent(t),this},setPopupContent:function(t){return this._popup&&this._popup.setContent(t),this},unbindPopup:function(){return this._popup&&(this._popup=null,this.off("click",this.togglePopup,this).off("remove",this.closePopup,this).off("move",this._movePopup,this),this._popupHandlersAdded=!1),this},getPopup:function(){return this._popup},_movePopup:function(t){this._popup.setLatLng(t.latlng)}}),o.LayerGroup=o.Class.extend({initialize:function(t){this._layers={};var e,i;if(t)for(e=0,i=t.length;i>e;e++)this.addLayer(t[e])},addLayer:function(t){var e=this.getLayerId(t);return this._layers[e]=t,this._map&&this._map.addLayer(t),this},removeLayer:function(t){var e=t in this._layers?t:this.getLayerId(t);return this._map&&this._layers[e]&&this._map.removeLayer(this._layers[e]),delete this._layers[e],this},hasLayer:function(t){return t?t in this._layers||this.getLayerId(t)in this._layers:!1},clearLayers:function(){return this.eachLayer(this.removeLayer,this),this},invoke:function(t){var e,i,n=Array.prototype.slice.call(arguments,1);for(e in this._layers)i=this._layers[e],i[t]&&i[t].apply(i,n);return this},onAdd:function(t){this._map=t,this.eachLayer(t.addLayer,t)},onRemove:function(t){this.eachLayer(t.removeLayer,t),this._map=null},addTo:function(t){return t.addLayer(this),this},eachLayer:function(t,e){for(var i in this._layers)t.call(e,this._layers[i]);return this},getLayer:function(t){return this._layers[t]},getLayers:function(){var t=[];for(var e in this._layers)t.push(this._layers[e]);return t},setZIndex:function(t){return this.invoke("setZIndex",t)},getLayerId:function(t){return o.stamp(t)}}),o.layerGroup=function(t){return new o.LayerGroup(t)},o.FeatureGroup=o.LayerGroup.extend({includes:o.Mixin.Events,statics:{EVENTS:"click dblclick mouseover mouseout mousemove contextmenu popupopen popupclose"},addLayer:function(t){return this.hasLayer(t)?this:("on"in t&&t.on(o.FeatureGroup.EVENTS,this._propagateEvent,this),o.LayerGroup.prototype.addLayer.call(this,t),this._popupContent&&t.bindPopup&&t.bindPopup(this._popupContent,this._popupOptions),this.fire("layeradd",{layer:t}))},removeLayer:function(t){return this.hasLayer(t)?(t in this._layers&&(t=this._layers[t]),"off"in t&&t.off(o.FeatureGroup.EVENTS,this._propagateEvent,this),o.LayerGroup.prototype.removeLayer.call(this,t),this._popupContent&&this.invoke("unbindPopup"),this.fire("layerremove",{layer:t})):this},bindPopup:function(t,e){return this._popupContent=t,this._popupOptions=e,this.invoke("bindPopup",t,e)},openPopup:function(t){for(var e in this._layers){this._layers[e].openPopup(t);break}return this},setStyle:function(t){return this.invoke("setStyle",t)},bringToFront:function(){return this.invoke("bringToFront")},bringToBack:function(){return this.invoke("bringToBack")},getBounds:function(){var t=new o.LatLngBounds;return this.eachLayer(function(e){t.extend(e instanceof o.Marker?e.getLatLng():e.getBounds())}),t},_propagateEvent:function(t){t=o.extend({layer:t.target,target:this},t),this.fire(t.type,t)}}),o.featureGroup=function(t){return new o.FeatureGroup(t)},o.Path=o.Class.extend({includes:[o.Mixin.Events],statics:{CLIP_PADDING:function(){var e=o.Browser.mobile?1280:2e3,i=(e/Math.max(t.outerWidth,t.outerHeight)-1)/2;return Math.max(0,Math.min(.5,i))}()},options:{stroke:!0,color:"#0033ff",dashArray:null,lineCap:null,lineJoin:null,weight:5,opacity:.5,fill:!1,fillColor:null,fillOpacity:.2,clickable:!0},initialize:function(t){o.setOptions(this,t)},onAdd:function(t){this._map=t,this._container||(this._initElements(),this._initEvents()),this.projectLatlngs(),this._updatePath(),this._container&&this._map._pathRoot.appendChild(this._container),this.fire("add"),t.on({viewreset:this.projectLatlngs,moveend:this._updatePath},this)},addTo:function(t){return t.addLayer(this),this},onRemove:function(t){t._pathRoot.removeChild(this._container),this.fire("remove"),this._map=null,o.Browser.vml&&(this._container=null,this._stroke=null,this._fill=null),t.off({viewreset:this.projectLatlngs,moveend:this._updatePath},this)},projectLatlngs:function(){},setStyle:function(t){return o.setOptions(this,t),this._container&&this._updateStyle(),this},redraw:function(){return this._map&&(this.projectLatlngs(),this._updatePath()),this}}),o.Map.include({_updatePathViewport:function(){var t=o.Path.CLIP_PADDING,e=this.getSize(),i=o.DomUtil.getPosition(this._mapPane),n=i.multiplyBy(-1)._subtract(e.multiplyBy(t)._round()),s=n.add(e.multiplyBy(1+2*t)._round());this._pathViewport=new o.Bounds(n,s)}}),o.Path.SVG_NS="http://www.w3.org/2000/svg",o.Browser.svg=!(!e.createElementNS||!e.createElementNS(o.Path.SVG_NS,"svg").createSVGRect),o.Path=o.Path.extend({statics:{SVG:o.Browser.svg},bringToFront:function(){var t=this._map._pathRoot,e=this._container;return e&&t.lastChild!==e&&t.appendChild(e),this},bringToBack:function(){var t=this._map._pathRoot,e=this._container,i=t.firstChild;return e&&i!==e&&t.insertBefore(e,i),this},getPathString:function(){},_createElement:function(t){return e.createElementNS(o.Path.SVG_NS,t)},_initElements:function(){this._map._initPathRoot(),this._initPath(),this._initStyle()},_initPath:function(){this._container=this._createElement("g"),this._path=this._createElement("path"),this.options.className&&o.DomUtil.addClass(this._path,this.options.className),this._container.appendChild(this._path)},_initStyle:function(){this.options.stroke&&(this._path.setAttribute("stroke-linejoin","round"),this._path.setAttribute("stroke-linecap","round")),this.options.fill&&this._path.setAttribute("fill-rule","evenodd"),this.options.pointerEvents&&this._path.setAttribute("pointer-events",this.options.pointerEvents),this.options.clickable||this.options.pointerEvents||this._path.setAttribute("pointer-events","none"),this._updateStyle()},_updateStyle:function(){this.options.stroke?(this._path.setAttribute("stroke",this.options.color),this._path.setAttribute("stroke-opacity",this.options.opacity),this._path.setAttribute("stroke-width",this.options.weight),this.options.dashArray?this._path.setAttribute("stroke-dasharray",this.options.dashArray):this._path.removeAttribute("stroke-dasharray"),this.options.lineCap&&this._path.setAttribute("stroke-linecap",this.options.lineCap),this.options.lineJoin&&this._path.setAttribute("stroke-linejoin",this.options.lineJoin)):this._path.setAttribute("stroke","none"),this.options.fill?(this._path.setAttribute("fill",this.options.fillColor||this.options.color),this._path.setAttribute("fill-opacity",this.options.fillOpacity)):this._path.setAttribute("fill","none")},_updatePath:function(){var t=this.getPathString();t||(t="M0 0"),this._path.setAttribute("d",t)},_initEvents:function(){if(this.options.clickable){(o.Browser.svg||!o.Browser.vml)&&o.DomUtil.addClass(this._path,"leaflet-clickable"),o.DomEvent.on(this._container,"click",this._onMouseClick,this);for(var t=["dblclick","mousedown","mouseover","mouseout","mousemove","contextmenu"],e=0;e';var i=t.firstChild;return i.style.behavior="url(#default#VML)",i&&"object"==typeof i.adj}catch(n){return!1}}(),o.Path=o.Browser.svg||!o.Browser.vml?o.Path:o.Path.extend({statics:{VML:!0,CLIP_PADDING:.02},_createElement:function(){try{return e.namespaces.add("lvml","urn:schemas-microsoft-com:vml"),function(t){return e.createElement("')}}catch(t){return function(t){return e.createElement("<"+t+' xmlns="urn:schemas-microsoft.com:vml" class="lvml">')}}}(),_initPath:function(){var t=this._container=this._createElement("shape");o.DomUtil.addClass(t,"leaflet-vml-shape"+(this.options.className?" "+this.options.className:"")),this.options.clickable&&o.DomUtil.addClass(t,"leaflet-clickable"),t.coordsize="1 1",this._path=this._createElement("path"),t.appendChild(this._path),this._map._pathRoot.appendChild(t)},_initStyle:function(){this._updateStyle()},_updateStyle:function(){var t=this._stroke,e=this._fill,i=this.options,n=this._container;n.stroked=i.stroke,n.filled=i.fill,i.stroke?(t||(t=this._stroke=this._createElement("stroke"),t.endcap="round",n.appendChild(t)),t.weight=i.weight+"px",t.color=i.color,t.opacity=i.opacity,i.dashArray?t.dashStyle=o.Util.isArray(i.dashArray)?i.dashArray.join(" "):i.dashArray.replace(/( *, *)/g," "):t.dashStyle="",i.lineCap&&(t.endcap=i.lineCap.replace("butt","flat")),i.lineJoin&&(t.joinstyle=i.lineJoin)):t&&(n.removeChild(t),this._stroke=null),i.fill?(e||(e=this._fill=this._createElement("fill"),n.appendChild(e)),e.color=i.fillColor||i.color,e.opacity=i.fillOpacity):e&&(n.removeChild(e),this._fill=null)},_updatePath:function(){var t=this._container.style;t.display="none",this._path.v=this.getPathString()+" ",t.display=""}}),o.Map.include(o.Browser.svg||!o.Browser.vml?{}:{_initPathRoot:function(){if(!this._pathRoot){var t=this._pathRoot=e.createElement("div");t.className="leaflet-vml-container",this._panes.overlayPane.appendChild(t),this.on("moveend",this._updatePathViewport),this._updatePathViewport()}}}),o.Browser.canvas=function(){return!!e.createElement("canvas").getContext}(),o.Path=o.Path.SVG&&!t.L_PREFER_CANVAS||!o.Browser.canvas?o.Path:o.Path.extend({statics:{CANVAS:!0,SVG:!1},redraw:function(){return this._map&&(this.projectLatlngs(),this._requestUpdate()),this},setStyle:function(t){return o.setOptions(this,t),this._map&&(this._updateStyle(),this._requestUpdate()),this},onRemove:function(t){t.off("viewreset",this.projectLatlngs,this).off("moveend",this._updatePath,this),this.options.clickable&&(this._map.off("click",this._onClick,this),this._map.off("mousemove",this._onMouseMove,this)),this._requestUpdate(),this.fire("remove"),this._map=null},_requestUpdate:function(){this._map&&!o.Path._updateRequest&&(o.Path._updateRequest=o.Util.requestAnimFrame(this._fireMapMoveEnd,this._map))},_fireMapMoveEnd:function(){o.Path._updateRequest=null,this.fire("moveend")},_initElements:function(){this._map._initPathRoot(),this._ctx=this._map._canvasCtx},_updateStyle:function(){var t=this.options;t.stroke&&(this._ctx.lineWidth=t.weight,this._ctx.strokeStyle=t.color),t.fill&&(this._ctx.fillStyle=t.fillColor||t.color),t.lineCap&&(this._ctx.lineCap=t.lineCap),t.lineJoin&&(this._ctx.lineJoin=t.lineJoin)},_drawPath:function(){var t,e,i,n,s,a;for(this._ctx.beginPath(),t=0,i=this._parts.length;i>t;t++){for(e=0,n=this._parts[t].length;n>e;e++)s=this._parts[t][e],a=(0===e?"move":"line")+"To",this._ctx[a](s.x,s.y);this instanceof o.Polygon&&this._ctx.closePath()}},_checkIfEmpty:function(){return!this._parts.length},_updatePath:function(){if(!this._checkIfEmpty()){var t=this._ctx,e=this.options;this._drawPath(),t.save(),this._updateStyle(),e.fill&&(t.globalAlpha=e.fillOpacity,t.fill(e.fillRule||"evenodd")),e.stroke&&(t.globalAlpha=e.opacity,t.stroke()),t.restore()}},_initEvents:function(){this.options.clickable&&(this._map.on("mousemove",this._onMouseMove,this),this._map.on("click dblclick contextmenu",this._fireMouseEvent,this))},_fireMouseEvent:function(t){this._containsPoint(t.layerPoint)&&this.fire(t.type,t)},_onMouseMove:function(t){this._map&&!this._map._animatingZoom&&(this._containsPoint(t.layerPoint)?(this._ctx.canvas.style.cursor="pointer",this._mouseInside=!0,this.fire("mouseover",t)):this._mouseInside&&(this._ctx.canvas.style.cursor="",this._mouseInside=!1,this.fire("mouseout",t)))}}),o.Map.include(o.Path.SVG&&!t.L_PREFER_CANVAS||!o.Browser.canvas?{}:{_initPathRoot:function(){var t,i=this._pathRoot;i||(i=this._pathRoot=e.createElement("canvas"),i.style.position="absolute",t=this._canvasCtx=i.getContext("2d"),t.lineCap="round",t.lineJoin="round",this._panes.overlayPane.appendChild(i),this.options.zoomAnimation&&(this._pathRoot.className="leaflet-zoom-animated",this.on("zoomanim",this._animatePathZoom),this.on("zoomend",this._endPathZoom)),this.on("moveend",this._updateCanvasViewport),this._updateCanvasViewport())},_updateCanvasViewport:function(){if(!this._pathZooming){this._updatePathViewport();var t=this._pathViewport,e=t.min,i=t.max.subtract(e),n=this._pathRoot;o.DomUtil.setPosition(n,e),n.width=i.x,n.height=i.y,n.getContext("2d").translate(-e.x,-e.y)}}}),o.LineUtil={simplify:function(t,e){if(!e||!t.length)return t.slice();var i=e*e;return t=this._reducePoints(t,i),t=this._simplifyDP(t,i)},pointToSegmentDistance:function(t,e,i){return Math.sqrt(this._sqClosestPointOnSegment(t,e,i,!0))},closestPointOnSegment:function(t,e,i){return this._sqClosestPointOnSegment(t,e,i)},_simplifyDP:function(t,e){var n=t.length,o=typeof Uint8Array!=i+""?Uint8Array:Array,s=new o(n);s[0]=s[n-1]=1,this._simplifyDPStep(t,s,e,0,n-1);var a,r=[];for(a=0;n>a;a++)s[a]&&r.push(t[a]);return r},_simplifyDPStep:function(t,e,i,n,o){var s,a,r,h=0;for(a=n+1;o-1>=a;a++)r=this._sqClosestPointOnSegment(t[a],t[n],t[o],!0),r>h&&(s=a,h=r);h>i&&(e[s]=1,this._simplifyDPStep(t,e,i,n,s),this._simplifyDPStep(t,e,i,s,o))},_reducePoints:function(t,e){for(var i=[t[0]],n=1,o=0,s=t.length;s>n;n++)this._sqDist(t[n],t[o])>e&&(i.push(t[n]),o=n);return s-1>o&&i.push(t[s-1]),i},clipSegment:function(t,e,i,n){var o,s,a,r=n?this._lastCode:this._getBitCode(t,i),h=this._getBitCode(e,i);for(this._lastCode=h;;){if(!(r|h))return[t,e];if(r&h)return!1;o=r||h,s=this._getEdgeIntersection(t,e,o,i),a=this._getBitCode(s,i),o===r?(t=s,r=a):(e=s,h=a)}},_getEdgeIntersection:function(t,e,i,n){var s=e.x-t.x,a=e.y-t.y,r=n.min,h=n.max;return 8&i?new o.Point(t.x+s*(h.y-t.y)/a,h.y):4&i?new o.Point(t.x+s*(r.y-t.y)/a,r.y):2&i?new o.Point(h.x,t.y+a*(h.x-t.x)/s):1&i?new o.Point(r.x,t.y+a*(r.x-t.x)/s):void 0},_getBitCode:function(t,e){var i=0;return t.xe.max.x&&(i|=2),t.ye.max.y&&(i|=8),i},_sqDist:function(t,e){var i=e.x-t.x,n=e.y-t.y;return i*i+n*n},_sqClosestPointOnSegment:function(t,e,i,n){var s,a=e.x,r=e.y,h=i.x-a,l=i.y-r,u=h*h+l*l;return u>0&&(s=((t.x-a)*h+(t.y-r)*l)/u,s>1?(a=i.x,r=i.y):s>0&&(a+=h*s,r+=l*s)),h=t.x-a,l=t.y-r,n?h*h+l*l:new o.Point(a,r)}},o.Polyline=o.Path.extend({initialize:function(t,e){o.Path.prototype.initialize.call(this,e),this._latlngs=this._convertLatLngs(t)},options:{smoothFactor:1,noClip:!1},projectLatlngs:function(){this._originalPoints=[];for(var t=0,e=this._latlngs.length;e>t;t++)this._originalPoints[t]=this._map.latLngToLayerPoint(this._latlngs[t])},getPathString:function(){for(var t=0,e=this._parts.length,i="";e>t;t++)i+=this._getPathPartStr(this._parts[t]);return i},getLatLngs:function(){return this._latlngs},setLatLngs:function(t){return this._latlngs=this._convertLatLngs(t),this.redraw()},addLatLng:function(t){return this._latlngs.push(o.latLng(t)),this.redraw()},spliceLatLngs:function(){var t=[].splice.apply(this._latlngs,arguments);return this._convertLatLngs(this._latlngs,!0),this.redraw(),t},closestLayerPoint:function(t){for(var e,i,n=1/0,s=this._parts,a=null,r=0,h=s.length;h>r;r++)for(var l=s[r],u=1,c=l.length;c>u;u++){e=l[u-1],i=l[u];var d=o.LineUtil._sqClosestPointOnSegment(t,e,i,!0);n>d&&(n=d,a=o.LineUtil._sqClosestPointOnSegment(t,e,i))}return a&&(a.distance=Math.sqrt(n)),a},getBounds:function(){return new o.LatLngBounds(this.getLatLngs())},_convertLatLngs:function(t,e){var i,n,s=e?t:[];for(i=0,n=t.length;n>i;i++){if(o.Util.isArray(t[i])&&"number"!=typeof t[i][0])return;s[i]=o.latLng(t[i])}return s},_initEvents:function(){o.Path.prototype._initEvents.call(this)},_getPathPartStr:function(t){for(var e,i=o.Path.VML,n=0,s=t.length,a="";s>n;n++)e=t[n],i&&e._round(),a+=(n?"L":"M")+e.x+" "+e.y;return a},_clipPoints:function(){var t,e,i,n=this._originalPoints,s=n.length;if(this.options.noClip)return void(this._parts=[n]);this._parts=[];var a=this._parts,r=this._map._pathViewport,h=o.LineUtil;for(t=0,e=0;s-1>t;t++)i=h.clipSegment(n[t],n[t+1],r,t),i&&(a[e]=a[e]||[],a[e].push(i[0]),(i[1]!==n[t+1]||t===s-2)&&(a[e].push(i[1]),e++))},_simplifyPoints:function(){for(var t=this._parts,e=o.LineUtil,i=0,n=t.length;n>i;i++)t[i]=e.simplify(t[i],this.options.smoothFactor)},_updatePath:function(){this._map&&(this._clipPoints(),this._simplifyPoints(),o.Path.prototype._updatePath.call(this))}}),o.polyline=function(t,e){return new o.Polyline(t,e)},o.PolyUtil={},o.PolyUtil.clipPolygon=function(t,e){var i,n,s,a,r,h,l,u,c,d=[1,4,2,8],p=o.LineUtil;for(n=0,l=t.length;l>n;n++)t[n]._code=p._getBitCode(t[n],e);for(a=0;4>a;a++){for(u=d[a],i=[],n=0,l=t.length,s=l-1;l>n;s=n++)r=t[n],h=t[s],r._code&u?h._code&u||(c=p._getEdgeIntersection(h,r,u,e),c._code=p._getBitCode(c,e),i.push(c)):(h._code&u&&(c=p._getEdgeIntersection(h,r,u,e),c._code=p._getBitCode(c,e),i.push(c)),i.push(r));t=i}return t},o.Polygon=o.Polyline.extend({options:{fill:!0},initialize:function(t,e){o.Polyline.prototype.initialize.call(this,t,e),this._initWithHoles(t)},_initWithHoles:function(t){var e,i,n;if(t&&o.Util.isArray(t[0])&&"number"!=typeof t[0][0])for(this._latlngs=this._convertLatLngs(t[0]),this._holes=t.slice(1),e=0,i=this._holes.length;i>e;e++)n=this._holes[e]=this._convertLatLngs(this._holes[e]),n[0].equals(n[n.length-1])&&n.pop();t=this._latlngs,t.length>=2&&t[0].equals(t[t.length-1])&&t.pop()},projectLatlngs:function(){if(o.Polyline.prototype.projectLatlngs.call(this),this._holePoints=[],this._holes){var t,e,i,n;for(t=0,i=this._holes.length;i>t;t++)for(this._holePoints[t]=[],e=0,n=this._holes[t].length;n>e;e++)this._holePoints[t][e]=this._map.latLngToLayerPoint(this._holes[t][e])}},setLatLngs:function(t){return t&&o.Util.isArray(t[0])&&"number"!=typeof t[0][0]?(this._initWithHoles(t),this.redraw()):o.Polyline.prototype.setLatLngs.call(this,t)},_clipPoints:function(){var t=this._originalPoints,e=[];if(this._parts=[t].concat(this._holePoints),!this.options.noClip){for(var i=0,n=this._parts.length;n>i;i++){var s=o.PolyUtil.clipPolygon(this._parts[i],this._map._pathViewport);s.length&&e.push(s)}this._parts=e}},_getPathPartStr:function(t){var e=o.Polyline.prototype._getPathPartStr.call(this,t);return e+(o.Browser.svg?"z":"x")}}),o.polygon=function(t,e){return new o.Polygon(t,e)},function(){function t(t){return o.FeatureGroup.extend({initialize:function(t,e){this._layers={},this._options=e,this.setLatLngs(t)},setLatLngs:function(e){var i=0,n=e.length;for(this.eachLayer(function(t){n>i?t.setLatLngs(e[i++]):this.removeLayer(t)},this);n>i;)this.addLayer(new t(e[i++],this._options));return this},getLatLngs:function(){var t=[];return this.eachLayer(function(e){t.push(e.getLatLngs())}),t}})}o.MultiPolyline=t(o.Polyline),o.MultiPolygon=t(o.Polygon),o.multiPolyline=function(t,e){return new o.MultiPolyline(t,e)},o.multiPolygon=function(t,e){return new o.MultiPolygon(t,e)}}(),o.Rectangle=o.Polygon.extend({initialize:function(t,e){o.Polygon.prototype.initialize.call(this,this._boundsToLatLngs(t),e)},setBounds:function(t){this.setLatLngs(this._boundsToLatLngs(t))},_boundsToLatLngs:function(t){return t=o.latLngBounds(t),[t.getSouthWest(),t.getNorthWest(),t.getNorthEast(),t.getSouthEast()]}}),o.rectangle=function(t,e){return new o.Rectangle(t,e)},o.Circle=o.Path.extend({initialize:function(t,e,i){o.Path.prototype.initialize.call(this,i),this._latlng=o.latLng(t),this._mRadius=e},options:{fill:!0},setLatLng:function(t){return this._latlng=o.latLng(t),this.redraw()},setRadius:function(t){return this._mRadius=t,this.redraw()},projectLatlngs:function(){var t=this._getLngRadius(),e=this._latlng,i=this._map.latLngToLayerPoint([e.lat,e.lng-t]);this._point=this._map.latLngToLayerPoint(e),this._radius=Math.max(this._point.x-i.x,1)},getBounds:function(){var t=this._getLngRadius(),e=this._mRadius/40075017*360,i=this._latlng;return new o.LatLngBounds([i.lat-e,i.lng-t],[i.lat+e,i.lng+t])},getLatLng:function(){return this._latlng},getPathString:function(){var t=this._point,e=this._radius;return this._checkIfEmpty()?"":o.Browser.svg?"M"+t.x+","+(t.y-e)+"A"+e+","+e+",0,1,1,"+(t.x-.1)+","+(t.y-e)+" z":(t._round(),e=Math.round(e),"AL "+t.x+","+t.y+" "+e+","+e+" 0,23592600")},getRadius:function(){return this._mRadius},_getLatRadius:function(){return this._mRadius/40075017*360},_getLngRadius:function(){return this._getLatRadius()/Math.cos(o.LatLng.DEG_TO_RAD*this._latlng.lat)},_checkIfEmpty:function(){if(!this._map)return!1;var t=this._map._pathViewport,e=this._radius,i=this._point;return i.x-e>t.max.x||i.y-e>t.max.y||i.x+ei;i++)for(l=this._parts[i],n=0,r=l.length,s=r-1;r>n;s=n++)if((e||0!==n)&&(h=o.LineUtil.pointToSegmentDistance(t,l[s],l[n]),u>=h))return!0;return!1}}:{}),o.Polygon.include(o.Path.CANVAS?{_containsPoint:function(t){var e,i,n,s,a,r,h,l,u=!1;if(o.Polyline.prototype._containsPoint.call(this,t,!0))return!0;for(s=0,h=this._parts.length;h>s;s++)for(e=this._parts[s],a=0,l=e.length,r=l-1;l>a;r=a++)i=e[a],n=e[r],i.y>t.y!=n.y>t.y&&t.x<(n.x-i.x)*(t.y-i.y)/(n.y-i.y)+i.x&&(u=!u);return u}}:{}),o.Circle.include(o.Path.CANVAS?{_drawPath:function(){var t=this._point;this._ctx.beginPath(),this._ctx.arc(t.x,t.y,this._radius,0,2*Math.PI,!1)},_containsPoint:function(t){var e=this._point,i=this.options.stroke?this.options.weight/2:0;return t.distanceTo(e)<=this._radius+i}}:{}),o.CircleMarker.include(o.Path.CANVAS?{_updateStyle:function(){o.Path.prototype._updateStyle.call(this)}}:{}),o.GeoJSON=o.FeatureGroup.extend({initialize:function(t,e){o.setOptions(this,e),this._layers={},t&&this.addData(t)},addData:function(t){var e,i,n,s=o.Util.isArray(t)?t:t.features;if(s){for(e=0,i=s.length;i>e;e++)n=s[e],(n.geometries||n.geometry||n.features||n.coordinates)&&this.addData(s[e]);return this}var a=this.options;if(!a.filter||a.filter(t)){var r=o.GeoJSON.geometryToLayer(t,a.pointToLayer,a.coordsToLatLng,a);return r.feature=o.GeoJSON.asFeature(t),r.defaultOptions=r.options,this.resetStyle(r),a.onEachFeature&&a.onEachFeature(t,r),this.addLayer(r)}},resetStyle:function(t){var e=this.options.style;e&&(o.Util.extend(t.options,t.defaultOptions),this._setLayerStyle(t,e))},setStyle:function(t){this.eachLayer(function(e){this._setLayerStyle(e,t)},this)},_setLayerStyle:function(t,e){"function"==typeof e&&(e=e(t.feature)),t.setStyle&&t.setStyle(e)}}),o.extend(o.GeoJSON,{geometryToLayer:function(t,e,i,n){var s,a,r,h,l="Feature"===t.type?t.geometry:t,u=l.coordinates,c=[];switch(i=i||this.coordsToLatLng,l.type){case"Point":return s=i(u),e?e(t,s):new o.Marker(s);case"MultiPoint":for(r=0,h=u.length;h>r;r++)s=i(u[r]),c.push(e?e(t,s):new o.Marker(s));return new o.FeatureGroup(c);case"LineString":return a=this.coordsToLatLngs(u,0,i),new o.Polyline(a,n);case"Polygon":if(2===u.length&&!u[1].length)throw new Error("Invalid GeoJSON object.");return a=this.coordsToLatLngs(u,1,i),new o.Polygon(a,n);case"MultiLineString":return a=this.coordsToLatLngs(u,1,i),new o.MultiPolyline(a,n);case"MultiPolygon":return a=this.coordsToLatLngs(u,2,i),new o.MultiPolygon(a,n);case"GeometryCollection":for(r=0,h=l.geometries.length;h>r;r++)c.push(this.geometryToLayer({geometry:l.geometries[r],type:"Feature",properties:t.properties},e,i,n));return new o.FeatureGroup(c);default:throw new Error("Invalid GeoJSON object.")}},coordsToLatLng:function(t){return new o.LatLng(t[1],t[0],t[2])},coordsToLatLngs:function(t,e,i){var n,o,s,a=[];for(o=0,s=t.length;s>o;o++)n=e?this.coordsToLatLngs(t[o],e-1,i):(i||this.coordsToLatLng)(t[o]),a.push(n);return a},latLngToCoords:function(t){var e=[t.lng,t.lat];return t.alt!==i&&e.push(t.alt),e},latLngsToCoords:function(t){for(var e=[],i=0,n=t.length;n>i;i++)e.push(o.GeoJSON.latLngToCoords(t[i]));return e},getFeature:function(t,e){return t.feature?o.extend({},t.feature,{geometry:e}):o.GeoJSON.asFeature(e)},asFeature:function(t){return"Feature"===t.type?t:{type:"Feature",properties:{},geometry:t}}});var a={toGeoJSON:function(){return o.GeoJSON.getFeature(this,{type:"Point",coordinates:o.GeoJSON.latLngToCoords(this.getLatLng())})}};o.Marker.include(a),o.Circle.include(a),o.CircleMarker.include(a),o.Polyline.include({toGeoJSON:function(){return o.GeoJSON.getFeature(this,{type:"LineString",coordinates:o.GeoJSON.latLngsToCoords(this.getLatLngs())})}}),o.Polygon.include({toGeoJSON:function(){var t,e,i,n=[o.GeoJSON.latLngsToCoords(this.getLatLngs())];if(n[0].push(n[0][0]),this._holes)for(t=0,e=this._holes.length;e>t;t++)i=o.GeoJSON.latLngsToCoords(this._holes[t]),i.push(i[0]),n.push(i);return o.GeoJSON.getFeature(this,{type:"Polygon",coordinates:n})}}),function(){function t(t){return function(){var e=[];return this.eachLayer(function(t){e.push(t.toGeoJSON().geometry.coordinates)}),o.GeoJSON.getFeature(this,{type:t,coordinates:e})}}o.MultiPolyline.include({toGeoJSON:t("MultiLineString")}),o.MultiPolygon.include({toGeoJSON:t("MultiPolygon")}),o.LayerGroup.include({toGeoJSON:function(){var e,i=this.feature&&this.feature.geometry,n=[];if(i&&"MultiPoint"===i.type)return t("MultiPoint").call(this);var s=i&&"GeometryCollection"===i.type;return this.eachLayer(function(t){t.toGeoJSON&&(e=t.toGeoJSON(),n.push(s?e.geometry:o.GeoJSON.asFeature(e)))}),s?o.GeoJSON.getFeature(this,{geometries:n,type:"GeometryCollection"}):{type:"FeatureCollection",features:n}}})}(),o.geoJson=function(t,e){return new o.GeoJSON(t,e)},o.DomEvent={addListener:function(t,e,i,n){var s,a,r,h=o.stamp(i),l="_leaflet_"+e+h;return t[l]?this:(s=function(e){return i.call(n||t,e||o.DomEvent._getEvent())},o.Browser.pointer&&0===e.indexOf("touch")?this.addPointerListener(t,e,s,h):(o.Browser.touch&&"dblclick"===e&&this.addDoubleTapListener&&this.addDoubleTapListener(t,s,h),"addEventListener"in t?"mousewheel"===e?(t.addEventListener("DOMMouseScroll",s,!1),t.addEventListener(e,s,!1)):"mouseenter"===e||"mouseleave"===e?(a=s,r="mouseenter"===e?"mouseover":"mouseout",s=function(e){return o.DomEvent._checkMouse(t,e)?a(e):void 0},t.addEventListener(r,s,!1)):"click"===e&&o.Browser.android?(a=s,s=function(t){return o.DomEvent._filterClick(t,a)},t.addEventListener(e,s,!1)):t.addEventListener(e,s,!1):"attachEvent"in t&&t.attachEvent("on"+e,s),t[l]=s,this))},removeListener:function(t,e,i){var n=o.stamp(i),s="_leaflet_"+e+n,a=t[s];return a?(o.Browser.pointer&&0===e.indexOf("touch")?this.removePointerListener(t,e,n):o.Browser.touch&&"dblclick"===e&&this.removeDoubleTapListener?this.removeDoubleTapListener(t,n):"removeEventListener"in t?"mousewheel"===e?(t.removeEventListener("DOMMouseScroll",a,!1),t.removeEventListener(e,a,!1)):"mouseenter"===e||"mouseleave"===e?t.removeEventListener("mouseenter"===e?"mouseover":"mouseout",a,!1):t.removeEventListener(e,a,!1):"detachEvent"in t&&t.detachEvent("on"+e,a),t[s]=null,this):this},stopPropagation:function(t){return t.stopPropagation?t.stopPropagation():t.cancelBubble=!0,o.DomEvent._skipped(t),this},disableScrollPropagation:function(t){var e=o.DomEvent.stopPropagation;return o.DomEvent.on(t,"mousewheel",e).on(t,"MozMousePixelScroll",e)},disableClickPropagation:function(t){for(var e=o.DomEvent.stopPropagation,i=o.Draggable.START.length-1;i>=0;i--)o.DomEvent.on(t,o.Draggable.START[i],e);return o.DomEvent.on(t,"click",o.DomEvent._fakeStop).on(t,"dblclick",e)},preventDefault:function(t){return t.preventDefault?t.preventDefault():t.returnValue=!1,this},stop:function(t){return o.DomEvent.preventDefault(t).stopPropagation(t)},getMousePosition:function(t,e){if(!e)return new o.Point(t.clientX,t.clientY);var i=e.getBoundingClientRect();return new o.Point(t.clientX-i.left-e.clientLeft,t.clientY-i.top-e.clientTop)},getWheelDelta:function(t){var e=0;return t.wheelDelta&&(e=t.wheelDelta/120),t.detail&&(e=-t.detail/3),e},_skipEvents:{},_fakeStop:function(t){o.DomEvent._skipEvents[t.type]=!0},_skipped:function(t){var e=this._skipEvents[t.type];return this._skipEvents[t.type]=!1,e},_checkMouse:function(t,e){var i=e.relatedTarget;if(!i)return!0;try{for(;i&&i!==t;)i=i.parentNode}catch(n){return!1}return i!==t},_getEvent:function(){var e=t.event;if(!e)for(var i=arguments.callee.caller;i&&(e=i.arguments[0],!e||t.Event!==e.constructor);)i=i.caller;return e},_filterClick:function(t,e){var i=t.timeStamp||t.originalEvent.timeStamp,n=o.DomEvent._lastClick&&i-o.DomEvent._lastClick;return n&&n>100&&500>n||t.target._simulatedClick&&!t._simulated?void o.DomEvent.stop(t):(o.DomEvent._lastClick=i,e(t))}},o.DomEvent.on=o.DomEvent.addListener,o.DomEvent.off=o.DomEvent.removeListener,o.Draggable=o.Class.extend({includes:o.Mixin.Events,statics:{START:o.Browser.touch?["touchstart","mousedown"]:["mousedown"],END:{mousedown:"mouseup",touchstart:"touchend",pointerdown:"touchend",MSPointerDown:"touchend"},MOVE:{mousedown:"mousemove",touchstart:"touchmove",pointerdown:"touchmove",MSPointerDown:"touchmove"}},initialize:function(t,e){this._element=t,this._dragStartTarget=e||t},enable:function(){if(!this._enabled){for(var t=o.Draggable.START.length-1;t>=0;t--)o.DomEvent.on(this._dragStartTarget,o.Draggable.START[t],this._onDown,this);this._enabled=!0}},disable:function(){if(this._enabled){for(var t=o.Draggable.START.length-1;t>=0;t--)o.DomEvent.off(this._dragStartTarget,o.Draggable.START[t],this._onDown,this);this._enabled=!1,this._moved=!1}},_onDown:function(t){if(this._moved=!1,!t.shiftKey&&(1===t.which||1===t.button||t.touches)&&(o.DomEvent.stopPropagation(t),!o.Draggable._disabled&&(o.DomUtil.disableImageDrag(),o.DomUtil.disableTextSelection(),!this._moving))){var i=t.touches?t.touches[0]:t;this._startPoint=new o.Point(i.clientX,i.clientY),this._startPos=this._newPos=o.DomUtil.getPosition(this._element),o.DomEvent.on(e,o.Draggable.MOVE[t.type],this._onMove,this).on(e,o.Draggable.END[t.type],this._onUp,this)}},_onMove:function(t){if(t.touches&&t.touches.length>1)return void(this._moved=!0);var i=t.touches&&1===t.touches.length?t.touches[0]:t,n=new o.Point(i.clientX,i.clientY),s=n.subtract(this._startPoint);(s.x||s.y)&&(o.Browser.touch&&Math.abs(s.x)+Math.abs(s.y)<3||(o.DomEvent.preventDefault(t),this._moved||(this.fire("dragstart"),this._moved=!0,this._startPos=o.DomUtil.getPosition(this._element).subtract(s),o.DomUtil.addClass(e.body,"leaflet-dragging"),this._lastTarget=t.target||t.srcElement,o.DomUtil.addClass(this._lastTarget,"leaflet-drag-target")),this._newPos=this._startPos.add(s),this._moving=!0,o.Util.cancelAnimFrame(this._animRequest),this._animRequest=o.Util.requestAnimFrame(this._updatePosition,this,!0,this._dragStartTarget)))},_updatePosition:function(){this.fire("predrag"),o.DomUtil.setPosition(this._element,this._newPos),this.fire("drag")},_onUp:function(){o.DomUtil.removeClass(e.body,"leaflet-dragging"),this._lastTarget&&(o.DomUtil.removeClass(this._lastTarget,"leaflet-drag-target"),this._lastTarget=null);for(var t in o.Draggable.MOVE)o.DomEvent.off(e,o.Draggable.MOVE[t],this._onMove).off(e,o.Draggable.END[t],this._onUp);o.DomUtil.enableImageDrag(),o.DomUtil.enableTextSelection(),this._moved&&this._moving&&(o.Util.cancelAnimFrame(this._animRequest),this.fire("dragend",{distance:this._newPos.distanceTo(this._startPos)})),this._moving=!1}}),o.Handler=o.Class.extend({initialize:function(t){this._map=t},enable:function(){this._enabled||(this._enabled=!0,this.addHooks())},disable:function(){this._enabled&&(this._enabled=!1,this.removeHooks())},enabled:function(){return!!this._enabled}}),o.Map.mergeOptions({dragging:!0,inertia:!o.Browser.android23,inertiaDeceleration:3400,inertiaMaxSpeed:1/0,inertiaThreshold:o.Browser.touch?32:18,easeLinearity:.25,worldCopyJump:!1}),o.Map.Drag=o.Handler.extend({addHooks:function(){if(!this._draggable){var t=this._map;this._draggable=new o.Draggable(t._mapPane,t._container),this._draggable.on({dragstart:this._onDragStart,drag:this._onDrag,dragend:this._onDragEnd},this),t.options.worldCopyJump&&(this._draggable.on("predrag",this._onPreDrag,this),t.on("viewreset",this._onViewReset,this),t.whenReady(this._onViewReset,this))}this._draggable.enable()},removeHooks:function(){this._draggable.disable()},moved:function(){return this._draggable&&this._draggable._moved},_onDragStart:function(){var t=this._map;t._panAnim&&t._panAnim.stop(),t.fire("movestart").fire("dragstart"),t.options.inertia&&(this._positions=[],this._times=[])},_onDrag:function(){if(this._map.options.inertia){var t=this._lastTime=+new Date,e=this._lastPos=this._draggable._newPos;this._positions.push(e),this._times.push(t),t-this._times[0]>200&&(this._positions.shift(),this._times.shift())}this._map.fire("move").fire("drag")},_onViewReset:function(){var t=this._map.getSize()._divideBy(2),e=this._map.latLngToLayerPoint([0,0]);this._initialWorldOffset=e.subtract(t).x,this._worldWidth=this._map.project([0,180]).x},_onPreDrag:function(){var t=this._worldWidth,e=Math.round(t/2),i=this._initialWorldOffset,n=this._draggable._newPos.x,o=(n-e+i)%t+e-i,s=(n+e+i)%t-e-i,a=Math.abs(o+i)i.inertiaThreshold||!this._positions[0];if(e.fire("dragend",t),s)e.fire("moveend");else{var a=this._lastPos.subtract(this._positions[0]),r=(this._lastTime+n-this._times[0])/1e3,h=i.easeLinearity,l=a.multiplyBy(h/r),u=l.distanceTo([0,0]),c=Math.min(i.inertiaMaxSpeed,u),d=l.multiplyBy(c/u),p=c/(i.inertiaDeceleration*h),_=d.multiplyBy(-p/2).round();_.x&&_.y?(_=e._limitOffset(_,e.options.maxBounds),o.Util.requestAnimFrame(function(){e.panBy(_,{duration:p,easeLinearity:h,noMoveStart:!0})})):e.fire("moveend")}}}),o.Map.addInitHook("addHandler","dragging",o.Map.Drag),o.Map.mergeOptions({doubleClickZoom:!0}),o.Map.DoubleClickZoom=o.Handler.extend({addHooks:function(){this._map.on("dblclick",this._onDoubleClick,this)},removeHooks:function(){this._map.off("dblclick",this._onDoubleClick,this)},_onDoubleClick:function(t){var e=this._map,i=e.getZoom()+(t.originalEvent.shiftKey?-1:1);"center"===e.options.doubleClickZoom?e.setZoom(i):e.setZoomAround(t.containerPoint,i)}}),o.Map.addInitHook("addHandler","doubleClickZoom",o.Map.DoubleClickZoom),o.Map.mergeOptions({scrollWheelZoom:!0}),o.Map.ScrollWheelZoom=o.Handler.extend({addHooks:function(){o.DomEvent.on(this._map._container,"mousewheel",this._onWheelScroll,this),o.DomEvent.on(this._map._container,"MozMousePixelScroll",o.DomEvent.preventDefault),this._delta=0},removeHooks:function(){o.DomEvent.off(this._map._container,"mousewheel",this._onWheelScroll),o.DomEvent.off(this._map._container,"MozMousePixelScroll",o.DomEvent.preventDefault)},_onWheelScroll:function(t){var e=o.DomEvent.getWheelDelta(t);this._delta+=e,this._lastMousePos=this._map.mouseEventToContainerPoint(t),this._startTime||(this._startTime=+new Date);var i=Math.max(40-(+new Date-this._startTime),0);clearTimeout(this._timer),this._timer=setTimeout(o.bind(this._performZoom,this),i),o.DomEvent.preventDefault(t),o.DomEvent.stopPropagation(t)},_performZoom:function(){var t=this._map,e=this._delta,i=t.getZoom();e=e>0?Math.ceil(e):Math.floor(e),e=Math.max(Math.min(e,4),-4),e=t._limitZoom(i+e)-i,this._delta=0,this._startTime=null,e&&("center"===t.options.scrollWheelZoom?t.setZoom(i+e):t.setZoomAround(this._lastMousePos,i+e))}}),o.Map.addInitHook("addHandler","scrollWheelZoom",o.Map.ScrollWheelZoom),o.extend(o.DomEvent,{_touchstart:o.Browser.msPointer?"MSPointerDown":o.Browser.pointer?"pointerdown":"touchstart",_touchend:o.Browser.msPointer?"MSPointerUp":o.Browser.pointer?"pointerup":"touchend",addDoubleTapListener:function(t,i,n){function s(t){var e;if(o.Browser.pointer?(_.push(t.pointerId),e=_.length):e=t.touches.length,!(e>1)){var i=Date.now(),n=i-(r||i);h=t.touches?t.touches[0]:t,l=n>0&&u>=n,r=i}}function a(t){if(o.Browser.pointer){var e=_.indexOf(t.pointerId);if(-1===e)return;_.splice(e,1)}if(l){if(o.Browser.pointer){var n,s={};for(var a in h)n=h[a],"function"==typeof n?s[a]=n.bind(h):s[a]=n;h=s}h.type="dblclick",i(h),r=null}}var r,h,l=!1,u=250,c="_leaflet_",d=this._touchstart,p=this._touchend,_=[];t[c+d+n]=s,t[c+p+n]=a;var m=o.Browser.pointer?e.documentElement:t;return t.addEventListener(d,s,!1),m.addEventListener(p,a,!1),o.Browser.pointer&&m.addEventListener(o.DomEvent.POINTER_CANCEL,a,!1),this},removeDoubleTapListener:function(t,i){var n="_leaflet_";return t.removeEventListener(this._touchstart,t[n+this._touchstart+i],!1),(o.Browser.pointer?e.documentElement:t).removeEventListener(this._touchend,t[n+this._touchend+i],!1),o.Browser.pointer&&e.documentElement.removeEventListener(o.DomEvent.POINTER_CANCEL,t[n+this._touchend+i],!1),this}}),o.extend(o.DomEvent,{POINTER_DOWN:o.Browser.msPointer?"MSPointerDown":"pointerdown",POINTER_MOVE:o.Browser.msPointer?"MSPointerMove":"pointermove",POINTER_UP:o.Browser.msPointer?"MSPointerUp":"pointerup",POINTER_CANCEL:o.Browser.msPointer?"MSPointerCancel":"pointercancel",_pointers:[],_pointerDocumentListener:!1,addPointerListener:function(t,e,i,n){switch(e){case"touchstart":return this.addPointerListenerStart(t,e,i,n); +case"touchend":return this.addPointerListenerEnd(t,e,i,n);case"touchmove":return this.addPointerListenerMove(t,e,i,n);default:throw"Unknown touch event type"}},addPointerListenerStart:function(t,i,n,s){var a="_leaflet_",r=this._pointers,h=function(t){"mouse"!==t.pointerType&&t.pointerType!==t.MSPOINTER_TYPE_MOUSE&&o.DomEvent.preventDefault(t);for(var e=!1,i=0;i1))&&(this._moved||(o.DomUtil.addClass(e._mapPane,"leaflet-touching"),e.fire("movestart").fire("zoomstart"),this._moved=!0),o.Util.cancelAnimFrame(this._animRequest),this._animRequest=o.Util.requestAnimFrame(this._updateOnMove,this,!0,this._map._container),o.DomEvent.preventDefault(t))}},_updateOnMove:function(){var t=this._map,e=this._getScaleOrigin(),i=t.layerPointToLatLng(e),n=t.getScaleZoom(this._scale);t._animateZoom(i,n,this._startCenter,this._scale,this._delta,!1,!0)},_onTouchEnd:function(){if(!this._moved||!this._zooming)return void(this._zooming=!1);var t=this._map;this._zooming=!1,o.DomUtil.removeClass(t._mapPane,"leaflet-touching"),o.Util.cancelAnimFrame(this._animRequest),o.DomEvent.off(e,"touchmove",this._onTouchMove).off(e,"touchend",this._onTouchEnd);var i=this._getScaleOrigin(),n=t.layerPointToLatLng(i),s=t.getZoom(),a=t.getScaleZoom(this._scale)-s,r=a>0?Math.ceil(a):Math.floor(a),h=t._limitZoom(s+r),l=t.getZoomScale(h)/this._scale;t._animateZoom(n,h,i,l)},_getScaleOrigin:function(){var t=this._centerOffset.subtract(this._delta).divideBy(this._scale);return this._startCenter.add(t)}}),o.Map.addInitHook("addHandler","touchZoom",o.Map.TouchZoom),o.Map.mergeOptions({tap:!0,tapTolerance:15}),o.Map.Tap=o.Handler.extend({addHooks:function(){o.DomEvent.on(this._map._container,"touchstart",this._onDown,this)},removeHooks:function(){o.DomEvent.off(this._map._container,"touchstart",this._onDown,this)},_onDown:function(t){if(t.touches){if(o.DomEvent.preventDefault(t),this._fireClick=!0,t.touches.length>1)return this._fireClick=!1,void clearTimeout(this._holdTimeout);var i=t.touches[0],n=i.target;this._startPos=this._newPos=new o.Point(i.clientX,i.clientY),n.tagName&&"a"===n.tagName.toLowerCase()&&o.DomUtil.addClass(n,"leaflet-active"),this._holdTimeout=setTimeout(o.bind(function(){this._isTapValid()&&(this._fireClick=!1,this._onUp(),this._simulateEvent("contextmenu",i))},this),1e3),o.DomEvent.on(e,"touchmove",this._onMove,this).on(e,"touchend",this._onUp,this)}},_onUp:function(t){if(clearTimeout(this._holdTimeout),o.DomEvent.off(e,"touchmove",this._onMove,this).off(e,"touchend",this._onUp,this),this._fireClick&&t&&t.changedTouches){var i=t.changedTouches[0],n=i.target;n&&n.tagName&&"a"===n.tagName.toLowerCase()&&o.DomUtil.removeClass(n,"leaflet-active"),this._isTapValid()&&this._simulateEvent("click",i)}},_isTapValid:function(){return this._newPos.distanceTo(this._startPos)<=this._map.options.tapTolerance},_onMove:function(t){var e=t.touches[0];this._newPos=new o.Point(e.clientX,e.clientY)},_simulateEvent:function(i,n){var o=e.createEvent("MouseEvents");o._simulated=!0,n.target._simulatedClick=!0,o.initMouseEvent(i,!0,!0,t,1,n.screenX,n.screenY,n.clientX,n.clientY,!1,!1,!1,!1,0,null),n.target.dispatchEvent(o)}}),o.Browser.touch&&!o.Browser.pointer&&o.Map.addInitHook("addHandler","tap",o.Map.Tap),o.Map.mergeOptions({boxZoom:!0}),o.Map.BoxZoom=o.Handler.extend({initialize:function(t){this._map=t,this._container=t._container,this._pane=t._panes.overlayPane,this._moved=!1},addHooks:function(){o.DomEvent.on(this._container,"mousedown",this._onMouseDown,this)},removeHooks:function(){o.DomEvent.off(this._container,"mousedown",this._onMouseDown),this._moved=!1},moved:function(){return this._moved},_onMouseDown:function(t){return this._moved=!1,!t.shiftKey||1!==t.which&&1!==t.button?!1:(o.DomUtil.disableTextSelection(),o.DomUtil.disableImageDrag(),this._startLayerPoint=this._map.mouseEventToLayerPoint(t),void o.DomEvent.on(e,"mousemove",this._onMouseMove,this).on(e,"mouseup",this._onMouseUp,this).on(e,"keydown",this._onKeyDown,this))},_onMouseMove:function(t){this._moved||(this._box=o.DomUtil.create("div","leaflet-zoom-box",this._pane),o.DomUtil.setPosition(this._box,this._startLayerPoint),this._container.style.cursor="crosshair",this._map.fire("boxzoomstart"));var e=this._startLayerPoint,i=this._box,n=this._map.mouseEventToLayerPoint(t),s=n.subtract(e),a=new o.Point(Math.min(n.x,e.x),Math.min(n.y,e.y));o.DomUtil.setPosition(i,a),this._moved=!0,i.style.width=Math.max(0,Math.abs(s.x)-4)+"px",i.style.height=Math.max(0,Math.abs(s.y)-4)+"px"},_finish:function(){this._moved&&(this._pane.removeChild(this._box),this._container.style.cursor=""),o.DomUtil.enableTextSelection(),o.DomUtil.enableImageDrag(),o.DomEvent.off(e,"mousemove",this._onMouseMove).off(e,"mouseup",this._onMouseUp).off(e,"keydown",this._onKeyDown)},_onMouseUp:function(t){this._finish();var e=this._map,i=e.mouseEventToLayerPoint(t);if(!this._startLayerPoint.equals(i)){var n=new o.LatLngBounds(e.layerPointToLatLng(this._startLayerPoint),e.layerPointToLatLng(i));e.fitBounds(n),e.fire("boxzoomend",{boxZoomBounds:n})}},_onKeyDown:function(t){27===t.keyCode&&this._finish()}}),o.Map.addInitHook("addHandler","boxZoom",o.Map.BoxZoom),o.Map.mergeOptions({keyboard:!0,keyboardPanOffset:80,keyboardZoomOffset:1}),o.Map.Keyboard=o.Handler.extend({keyCodes:{left:[37],right:[39],down:[40],up:[38],zoomIn:[187,107,61,171],zoomOut:[189,109,173]},initialize:function(t){this._map=t,this._setPanOffset(t.options.keyboardPanOffset),this._setZoomOffset(t.options.keyboardZoomOffset)},addHooks:function(){var t=this._map._container;-1===t.tabIndex&&(t.tabIndex="0"),o.DomEvent.on(t,"focus",this._onFocus,this).on(t,"blur",this._onBlur,this).on(t,"mousedown",this._onMouseDown,this),this._map.on("focus",this._addHooks,this).on("blur",this._removeHooks,this)},removeHooks:function(){this._removeHooks();var t=this._map._container;o.DomEvent.off(t,"focus",this._onFocus,this).off(t,"blur",this._onBlur,this).off(t,"mousedown",this._onMouseDown,this),this._map.off("focus",this._addHooks,this).off("blur",this._removeHooks,this)},_onMouseDown:function(){if(!this._focused){var i=e.body,n=e.documentElement,o=i.scrollTop||n.scrollTop,s=i.scrollLeft||n.scrollLeft;this._map._container.focus(),t.scrollTo(s,o)}},_onFocus:function(){this._focused=!0,this._map.fire("focus")},_onBlur:function(){this._focused=!1,this._map.fire("blur")},_setPanOffset:function(t){var e,i,n=this._panKeys={},o=this.keyCodes;for(e=0,i=o.left.length;i>e;e++)n[o.left[e]]=[-1*t,0];for(e=0,i=o.right.length;i>e;e++)n[o.right[e]]=[t,0];for(e=0,i=o.down.length;i>e;e++)n[o.down[e]]=[0,t];for(e=0,i=o.up.length;i>e;e++)n[o.up[e]]=[0,-1*t]},_setZoomOffset:function(t){var e,i,n=this._zoomKeys={},o=this.keyCodes;for(e=0,i=o.zoomIn.length;i>e;e++)n[o.zoomIn[e]]=t;for(e=0,i=o.zoomOut.length;i>e;e++)n[o.zoomOut[e]]=-t},_addHooks:function(){o.DomEvent.on(e,"keydown",this._onKeyDown,this)},_removeHooks:function(){o.DomEvent.off(e,"keydown",this._onKeyDown,this)},_onKeyDown:function(t){var e=t.keyCode,i=this._map;if(e in this._panKeys){if(i._panAnim&&i._panAnim._inProgress)return;i.panBy(this._panKeys[e]),i.options.maxBounds&&i.panInsideBounds(i.options.maxBounds)}else{if(!(e in this._zoomKeys))return;i.setZoom(i.getZoom()+this._zoomKeys[e])}o.DomEvent.stop(t)}}),o.Map.addInitHook("addHandler","keyboard",o.Map.Keyboard),o.Handler.MarkerDrag=o.Handler.extend({initialize:function(t){this._marker=t},addHooks:function(){var t=this._marker._icon;this._draggable||(this._draggable=new o.Draggable(t,t)),this._draggable.on("dragstart",this._onDragStart,this).on("drag",this._onDrag,this).on("dragend",this._onDragEnd,this),this._draggable.enable(),o.DomUtil.addClass(this._marker._icon,"leaflet-marker-draggable")},removeHooks:function(){this._draggable.off("dragstart",this._onDragStart,this).off("drag",this._onDrag,this).off("dragend",this._onDragEnd,this),this._draggable.disable(),o.DomUtil.removeClass(this._marker._icon,"leaflet-marker-draggable")},moved:function(){return this._draggable&&this._draggable._moved},_onDragStart:function(){this._marker.closePopup().fire("movestart").fire("dragstart")},_onDrag:function(){var t=this._marker,e=t._shadow,i=o.DomUtil.getPosition(t._icon),n=t._map.layerPointToLatLng(i);e&&o.DomUtil.setPosition(e,i),t._latlng=n,t.fire("move",{latlng:n}).fire("drag")},_onDragEnd:function(t){this._marker.fire("moveend").fire("dragend",t)}}),o.Control=o.Class.extend({options:{position:"topright"},initialize:function(t){o.setOptions(this,t)},getPosition:function(){return this.options.position},setPosition:function(t){var e=this._map;return e&&e.removeControl(this),this.options.position=t,e&&e.addControl(this),this},getContainer:function(){return this._container},addTo:function(t){this._map=t;var e=this._container=this.onAdd(t),i=this.getPosition(),n=t._controlCorners[i];return o.DomUtil.addClass(e,"leaflet-control"),-1!==i.indexOf("bottom")?n.insertBefore(e,n.firstChild):n.appendChild(e),this},removeFrom:function(t){var e=this.getPosition(),i=t._controlCorners[e];return i.removeChild(this._container),this._map=null,this.onRemove&&this.onRemove(t),this},_refocusOnMap:function(){this._map&&this._map.getContainer().focus()}}),o.control=function(t){return new o.Control(t)},o.Map.include({addControl:function(t){return t.addTo(this),this},removeControl:function(t){return t.removeFrom(this),this},_initControlPos:function(){function t(t,s){var a=i+t+" "+i+s;e[t+s]=o.DomUtil.create("div",a,n)}var e=this._controlCorners={},i="leaflet-",n=this._controlContainer=o.DomUtil.create("div",i+"control-container",this._container);t("top","left"),t("top","right"),t("bottom","left"),t("bottom","right")},_clearControlPos:function(){this._container.removeChild(this._controlContainer)}}),o.Control.Zoom=o.Control.extend({options:{position:"topleft",zoomInText:"+",zoomInTitle:"Zoom in",zoomOutText:"-",zoomOutTitle:"Zoom out"},onAdd:function(t){var e="leaflet-control-zoom",i=o.DomUtil.create("div",e+" leaflet-bar");return this._map=t,this._zoomInButton=this._createButton(this.options.zoomInText,this.options.zoomInTitle,e+"-in",i,this._zoomIn,this),this._zoomOutButton=this._createButton(this.options.zoomOutText,this.options.zoomOutTitle,e+"-out",i,this._zoomOut,this),this._updateDisabled(),t.on("zoomend zoomlevelschange",this._updateDisabled,this),i},onRemove:function(t){t.off("zoomend zoomlevelschange",this._updateDisabled,this)},_zoomIn:function(t){this._map.zoomIn(t.shiftKey?3:1)},_zoomOut:function(t){this._map.zoomOut(t.shiftKey?3:1)},_createButton:function(t,e,i,n,s,a){var r=o.DomUtil.create("a",i,n);r.innerHTML=t,r.href="#",r.title=e;var h=o.DomEvent.stopPropagation;return o.DomEvent.on(r,"click",h).on(r,"mousedown",h).on(r,"dblclick",h).on(r,"click",o.DomEvent.preventDefault).on(r,"click",s,a).on(r,"click",this._refocusOnMap,a),r},_updateDisabled:function(){var t=this._map,e="leaflet-disabled";o.DomUtil.removeClass(this._zoomInButton,e),o.DomUtil.removeClass(this._zoomOutButton,e),t._zoom===t.getMinZoom()&&o.DomUtil.addClass(this._zoomOutButton,e),t._zoom===t.getMaxZoom()&&o.DomUtil.addClass(this._zoomInButton,e)}}),o.Map.mergeOptions({zoomControl:!0}),o.Map.addInitHook(function(){this.options.zoomControl&&(this.zoomControl=new o.Control.Zoom,this.addControl(this.zoomControl))}),o.control.zoom=function(t){return new o.Control.Zoom(t)},o.Control.Attribution=o.Control.extend({options:{position:"bottomright",prefix:'Leaflet'},initialize:function(t){o.setOptions(this,t),this._attributions={}},onAdd:function(t){this._container=o.DomUtil.create("div","leaflet-control-attribution"),o.DomEvent.disableClickPropagation(this._container);for(var e in t._layers)t._layers[e].getAttribution&&this.addAttribution(t._layers[e].getAttribution());return t.on("layeradd",this._onLayerAdd,this).on("layerremove",this._onLayerRemove,this),this._update(),this._container},onRemove:function(t){t.off("layeradd",this._onLayerAdd).off("layerremove",this._onLayerRemove)},setPrefix:function(t){return this.options.prefix=t,this._update(),this},addAttribution:function(t){return t?(this._attributions[t]||(this._attributions[t]=0),this._attributions[t]++,this._update(),this):void 0},removeAttribution:function(t){return t?(this._attributions[t]&&(this._attributions[t]--,this._update()),this):void 0},_update:function(){if(this._map){var t=[];for(var e in this._attributions)this._attributions[e]&&t.push(e);var i=[];this.options.prefix&&i.push(this.options.prefix),t.length&&i.push(t.join(", ")),this._container.innerHTML=i.join(" | ")}},_onLayerAdd:function(t){t.layer.getAttribution&&this.addAttribution(t.layer.getAttribution())},_onLayerRemove:function(t){t.layer.getAttribution&&this.removeAttribution(t.layer.getAttribution())}}),o.Map.mergeOptions({attributionControl:!0}),o.Map.addInitHook(function(){this.options.attributionControl&&(this.attributionControl=(new o.Control.Attribution).addTo(this))}),o.control.attribution=function(t){return new o.Control.Attribution(t)},o.Control.Scale=o.Control.extend({options:{position:"bottomleft",maxWidth:100,metric:!0,imperial:!0,updateWhenIdle:!1},onAdd:function(t){this._map=t;var e="leaflet-control-scale",i=o.DomUtil.create("div",e),n=this.options;return this._addScales(n,e,i),t.on(n.updateWhenIdle?"moveend":"move",this._update,this),t.whenReady(this._update,this),i},onRemove:function(t){t.off(this.options.updateWhenIdle?"moveend":"move",this._update,this)},_addScales:function(t,e,i){t.metric&&(this._mScale=o.DomUtil.create("div",e+"-line",i)),t.imperial&&(this._iScale=o.DomUtil.create("div",e+"-line",i))},_update:function(){var t=this._map.getBounds(),e=t.getCenter().lat,i=6378137*Math.PI*Math.cos(e*Math.PI/180),n=i*(t.getNorthEast().lng-t.getSouthWest().lng)/180,o=this._map.getSize(),s=this.options,a=0;o.x>0&&(a=n*(s.maxWidth/o.x)),this._updateScales(s,a)},_updateScales:function(t,e){t.metric&&e&&this._updateMetric(e),t.imperial&&e&&this._updateImperial(e)},_updateMetric:function(t){var e=this._getRoundNum(t);this._mScale.style.width=this._getScaleWidth(e/t)+"px",this._mScale.innerHTML=1e3>e?e+" m":e/1e3+" km"},_updateImperial:function(t){var e,i,n,o=3.2808399*t,s=this._iScale;o>5280?(e=o/5280,i=this._getRoundNum(e),s.style.width=this._getScaleWidth(i/e)+"px",s.innerHTML=i+" mi"):(n=this._getRoundNum(o),s.style.width=this._getScaleWidth(n/o)+"px",s.innerHTML=n+" ft")},_getScaleWidth:function(t){return Math.round(this.options.maxWidth*t)-10},_getRoundNum:function(t){var e=Math.pow(10,(Math.floor(t)+"").length-1),i=t/e;return i=i>=10?10:i>=5?5:i>=3?3:i>=2?2:1,e*i}}),o.control.scale=function(t){return new o.Control.Scale(t)},o.Control.Layers=o.Control.extend({options:{collapsed:!0,position:"topright",autoZIndex:!0},initialize:function(t,e,i){o.setOptions(this,i),this._layers={},this._lastZIndex=0,this._handlingClick=!1;for(var n in t)this._addLayer(t[n],n);for(n in e)this._addLayer(e[n],n,!0)},onAdd:function(t){return this._initLayout(),this._update(),t.on("layeradd",this._onLayerChange,this).on("layerremove",this._onLayerChange,this),this._container},onRemove:function(t){t.off("layeradd",this._onLayerChange,this).off("layerremove",this._onLayerChange,this)},addBaseLayer:function(t,e){return this._addLayer(t,e),this._update(),this},addOverlay:function(t,e){return this._addLayer(t,e,!0),this._update(),this},removeLayer:function(t){var e=o.stamp(t);return delete this._layers[e],this._update(),this},_initLayout:function(){var t="leaflet-control-layers",e=this._container=o.DomUtil.create("div",t);e.setAttribute("aria-haspopup",!0),o.Browser.touch?o.DomEvent.on(e,"click",o.DomEvent.stopPropagation):o.DomEvent.disableClickPropagation(e).disableScrollPropagation(e);var i=this._form=o.DomUtil.create("form",t+"-list");if(this.options.collapsed){o.Browser.android||o.DomEvent.on(e,"mouseover",this._expand,this).on(e,"mouseout",this._collapse,this);var n=this._layersLink=o.DomUtil.create("a",t+"-toggle",e);n.href="#",n.title="Layers",o.Browser.touch?o.DomEvent.on(n,"click",o.DomEvent.stop).on(n,"click",this._expand,this):o.DomEvent.on(n,"focus",this._expand,this),o.DomEvent.on(i,"click",function(){setTimeout(o.bind(this._onInputClick,this),0)},this),this._map.on("click",this._collapse,this)}else this._expand();this._baseLayersList=o.DomUtil.create("div",t+"-base",i),this._separator=o.DomUtil.create("div",t+"-separator",i),this._overlaysList=o.DomUtil.create("div",t+"-overlays",i),e.appendChild(i)},_addLayer:function(t,e,i){var n=o.stamp(t);this._layers[n]={layer:t,name:e,overlay:i},this.options.autoZIndex&&t.setZIndex&&(this._lastZIndex++,t.setZIndex(this._lastZIndex))},_update:function(){if(this._container){this._baseLayersList.innerHTML="",this._overlaysList.innerHTML="";var t,e,i=!1,n=!1;for(t in this._layers)e=this._layers[t],this._addItem(e),n=n||e.overlay,i=i||!e.overlay;this._separator.style.display=n&&i?"":"none"}},_onLayerChange:function(t){var e=this._layers[o.stamp(t.layer)];if(e){this._handlingClick||this._update();var i=e.overlay?"layeradd"===t.type?"overlayadd":"overlayremove":"layeradd"===t.type?"baselayerchange":null;i&&this._map.fire(i,e)}},_createRadioElement:function(t,i){var n='t;t++)e=n[t],i=this._layers[e.layerId],e.checked&&!this._map.hasLayer(i.layer)?this._map.addLayer(i.layer):!e.checked&&this._map.hasLayer(i.layer)&&this._map.removeLayer(i.layer);this._handlingClick=!1,this._refocusOnMap()},_expand:function(){o.DomUtil.addClass(this._container,"leaflet-control-layers-expanded")},_collapse:function(){this._container.className=this._container.className.replace(" leaflet-control-layers-expanded","")}}),o.control.layers=function(t,e,i){return new o.Control.Layers(t,e,i)},o.PosAnimation=o.Class.extend({includes:o.Mixin.Events,run:function(t,e,i,n){this.stop(),this._el=t,this._inProgress=!0,this._newPos=e,this.fire("start"),t.style[o.DomUtil.TRANSITION]="all "+(i||.25)+"s cubic-bezier(0,0,"+(n||.5)+",1)",o.DomEvent.on(t,o.DomUtil.TRANSITION_END,this._onTransitionEnd,this),o.DomUtil.setPosition(t,e),o.Util.falseFn(t.offsetWidth),this._stepTimer=setInterval(o.bind(this._onStep,this),50)},stop:function(){this._inProgress&&(o.DomUtil.setPosition(this._el,this._getPos()),this._onTransitionEnd(),o.Util.falseFn(this._el.offsetWidth))},_onStep:function(){var t=this._getPos();return t?(this._el._leaflet_pos=t,void this.fire("step")):void this._onTransitionEnd()},_transformRe:/([-+]?(?:\d*\.)?\d+)\D*, ([-+]?(?:\d*\.)?\d+)\D*\)/,_getPos:function(){var e,i,n,s=this._el,a=t.getComputedStyle(s);if(o.Browser.any3d){if(n=a[o.DomUtil.TRANSFORM].match(this._transformRe),!n)return;e=parseFloat(n[1]),i=parseFloat(n[2])}else e=parseFloat(a.left),i=parseFloat(a.top);return new o.Point(e,i,!0)},_onTransitionEnd:function(){o.DomEvent.off(this._el,o.DomUtil.TRANSITION_END,this._onTransitionEnd,this),this._inProgress&&(this._inProgress=!1,this._el.style[o.DomUtil.TRANSITION]="",this._el._leaflet_pos=this._newPos,clearInterval(this._stepTimer),this.fire("step").fire("end"))}}),o.Map.include({setView:function(t,e,n){if(e=e===i?this._zoom:this._limitZoom(e),t=this._limitCenter(o.latLng(t),e,this.options.maxBounds),n=n||{},this._panAnim&&this._panAnim.stop(),this._loaded&&!n.reset&&n!==!0){n.animate!==i&&(n.zoom=o.extend({animate:n.animate},n.zoom),n.pan=o.extend({animate:n.animate},n.pan));var s=this._zoom!==e?this._tryAnimatedZoom&&this._tryAnimatedZoom(t,e,n.zoom):this._tryAnimatedPan(t,n.pan);if(s)return clearTimeout(this._sizeTimer),this}return this._resetView(t,e),this},panBy:function(t,e){if(t=o.point(t).round(),e=e||{},!t.x&&!t.y)return this;if(this._panAnim||(this._panAnim=new o.PosAnimation,this._panAnim.on({step:this._onPanTransitionStep,end:this._onPanTransitionEnd},this)),e.noMoveStart||this.fire("movestart"),e.animate!==!1){o.DomUtil.addClass(this._mapPane,"leaflet-pan-anim");var i=this._getMapPanePos().subtract(t);this._panAnim.run(this._mapPane,i,e.duration||.25,e.easeLinearity)}else this._rawPanBy(t),this.fire("move").fire("moveend");return this},_onPanTransitionStep:function(){this.fire("move")},_onPanTransitionEnd:function(){o.DomUtil.removeClass(this._mapPane,"leaflet-pan-anim"),this.fire("moveend")},_tryAnimatedPan:function(t,e){var i=this._getCenterOffset(t)._floor();return(e&&e.animate)===!0||this.getSize().contains(i)?(this.panBy(i,e),!0):!1}}),o.PosAnimation=o.DomUtil.TRANSITION?o.PosAnimation:o.PosAnimation.extend({run:function(t,e,i,n){this.stop(),this._el=t,this._inProgress=!0,this._duration=i||.25,this._easeOutPower=1/Math.max(n||.5,.2),this._startPos=o.DomUtil.getPosition(t),this._offset=e.subtract(this._startPos),this._startTime=+new Date,this.fire("start"),this._animate()},stop:function(){this._inProgress&&(this._step(),this._complete())},_animate:function(){this._animId=o.Util.requestAnimFrame(this._animate,this),this._step()},_step:function(){var t=+new Date-this._startTime,e=1e3*this._duration;e>t?this._runFrame(this._easeOut(t/e)):(this._runFrame(1),this._complete())},_runFrame:function(t){var e=this._startPos.add(this._offset.multiplyBy(t));o.DomUtil.setPosition(this._el,e),this.fire("step")},_complete:function(){o.Util.cancelAnimFrame(this._animId),this._inProgress=!1,this.fire("end")},_easeOut:function(t){return 1-Math.pow(1-t,this._easeOutPower)}}),o.Map.mergeOptions({zoomAnimation:!0,zoomAnimationThreshold:4}),o.DomUtil.TRANSITION&&o.Map.addInitHook(function(){this._zoomAnimated=this.options.zoomAnimation&&o.DomUtil.TRANSITION&&o.Browser.any3d&&!o.Browser.android23&&!o.Browser.mobileOpera,this._zoomAnimated&&o.DomEvent.on(this._mapPane,o.DomUtil.TRANSITION_END,this._catchTransitionEnd,this)}),o.Map.include(o.DomUtil.TRANSITION?{_catchTransitionEnd:function(t){this._animatingZoom&&t.propertyName.indexOf("transform")>=0&&this._onZoomTransitionEnd()},_nothingToAnimate:function(){return!this._container.getElementsByClassName("leaflet-zoom-animated").length},_tryAnimatedZoom:function(t,e,i){if(this._animatingZoom)return!0;if(i=i||{},!this._zoomAnimated||i.animate===!1||this._nothingToAnimate()||Math.abs(e-this._zoom)>this.options.zoomAnimationThreshold)return!1;var n=this.getZoomScale(e),o=this._getCenterOffset(t)._divideBy(1-1/n),s=this._getCenterLayerPoint()._add(o);return i.animate===!0||this.getSize().contains(o)?(this.fire("movestart").fire("zoomstart"),this._animateZoom(t,e,s,n,null,!0),!0):!1},_animateZoom:function(t,e,i,n,s,a,r){r||(this._animatingZoom=!0),o.DomUtil.addClass(this._mapPane,"leaflet-zoom-anim"),this._animateToCenter=t,this._animateToZoom=e,o.Draggable&&(o.Draggable._disabled=!0),o.Util.requestAnimFrame(function(){this.fire("zoomanim",{center:t,zoom:e,origin:i,scale:n,delta:s,backwards:a}),setTimeout(o.bind(this._onZoomTransitionEnd,this),250)},this)},_onZoomTransitionEnd:function(){this._animatingZoom&&(this._animatingZoom=!1,o.DomUtil.removeClass(this._mapPane,"leaflet-zoom-anim"),o.Util.requestAnimFrame(function(){this._resetView(this._animateToCenter,this._animateToZoom,!0,!0),o.Draggable&&(o.Draggable._disabled=!1)},this))}}:{}),o.TileLayer.include({_animateZoom:function(t){this._animating||(this._animating=!0,this._prepareBgBuffer());var e=this._bgBuffer,i=o.DomUtil.TRANSFORM,n=t.delta?o.DomUtil.getTranslateString(t.delta):e.style[i],s=o.DomUtil.getScaleString(t.scale,t.origin);e.style[i]=t.backwards?s+" "+n:n+" "+s},_endZoomAnim:function(){var t=this._tileContainer,e=this._bgBuffer;t.style.visibility="",t.parentNode.appendChild(t),o.Util.falseFn(e.offsetWidth);var i=this._map.getZoom();(i>this.options.maxZoom||i.5&&.5>n?(t.style.visibility="hidden",void this._stopLoadingImages(t)):(e.style.visibility="hidden",e.style[o.DomUtil.TRANSFORM]="",this._tileContainer=e,e=this._bgBuffer=t,this._stopLoadingImages(e),void clearTimeout(this._clearBgBufferTimer))},_getLoadedTilesPercentage:function(t){var e,i,n=t.getElementsByTagName("img"),o=0;for(e=0,i=n.length;i>e;e++)n[e].complete&&o++;return o/i},_stopLoadingImages:function(t){var e,i,n,s=Array.prototype.slice.call(t.getElementsByTagName("img"));for(e=0,i=s.length;i>e;e++)n=s[e],n.complete||(n.onload=o.Util.falseFn,n.onerror=o.Util.falseFn,n.src=o.Util.emptyImageUrl,n.parentNode.removeChild(n))}}),o.Map.include({_defaultLocateOptions:{watch:!1,setView:!1,maxZoom:1/0,timeout:1e4,maximumAge:0,enableHighAccuracy:!1},locate:function(t){if(t=this._locateOptions=o.extend(this._defaultLocateOptions,t),!navigator.geolocation)return this._handleGeolocationError({code:0,message:"Geolocation not supported."}),this;var e=o.bind(this._handleGeolocationResponse,this),i=o.bind(this._handleGeolocationError,this);return t.watch?this._locationWatchId=navigator.geolocation.watchPosition(e,i,t):navigator.geolocation.getCurrentPosition(e,i,t),this},stopLocate:function(){return navigator.geolocation&&navigator.geolocation.clearWatch(this._locationWatchId),this._locateOptions&&(this._locateOptions.setView=!1),this},_handleGeolocationError:function(t){var e=t.code,i=t.message||(1===e?"permission denied":2===e?"position unavailable":"timeout");this._locateOptions.setView&&!this._loaded&&this.fitWorld(),this.fire("locationerror",{code:e,message:"Geolocation error: "+i+"."})},_handleGeolocationResponse:function(t){var e=t.coords.latitude,i=t.coords.longitude,n=new o.LatLng(e,i),s=180*t.coords.accuracy/40075017,a=s/Math.cos(o.LatLng.DEG_TO_RAD*e),r=o.latLngBounds([e-s,i-a],[e+s,i+a]),h=this._locateOptions;if(h.setView){var l=Math.min(this.getBoundsZoom(r),h.maxZoom);this.setView(n,l)}var u={latlng:n,bounds:r,timestamp:t.timestamp};for(var c in t.coords)"number"==typeof t.coords[c]&&(u[c]=t.coords[c]);this.fire("locationfound",u)}})}(window,document); \ No newline at end of file diff --git a/bornhack/templates/base.html b/bornhack/templates/base.html index 46349dbb..ee00539e 100644 --- a/bornhack/templates/base.html +++ b/bornhack/templates/base.html @@ -14,6 +14,9 @@ + + {% block extra_head %} + {% endblock %} @@ -34,7 +37,7 @@