07fb5e867c
fixes #261
201 lines
6 KiB
HTML
201 lines
6 KiB
HTML
<textarea
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class="compose-box-input"
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placeholder="What's on your mind?"
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ref:textarea
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bind:value=rawText
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on:blur="onBlur()"
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on:focus="onFocus()"
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on:selectionChange="onSelectionChange(event)"
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on:keydown="onKeydown(event)"
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></textarea>
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<style>
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.compose-box-input {
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grid-area: input;
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margin: 10px 0 0 5px;
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padding: 10px;
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border: 1px solid var(--input-border);
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min-height: 75px;
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resize: none;
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overflow: hidden;
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word-wrap: break-word;
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/* Text must be at least 16px or else iOS Safari zooms in */
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font-size: 1.2em;
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/* Hack to make Edge stretch the element all the way to the right.
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* Also desktop Safari makes the gauge stretch too far to the right without it.
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*/
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width: calc(100% - 5px);
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}
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</style>
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<script>
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import { store } from '../../_store/store'
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import { autosize } from '../../_utils/autosize'
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import { scheduleIdleTask } from '../../_utils/scheduleIdleTask'
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import debounce from 'lodash-es/debounce'
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import { mark, stop } from '../../_utils/marks'
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import { selectionChange } from '../../_utils/events'
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import {
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clickSelectedAutosuggestionUsername,
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clickSelectedAutosuggestionEmoji
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} from '../../_actions/autosuggest'
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import { observe } from 'svelte-extras'
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export default {
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oncreate () {
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this.setupSyncFromStore()
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this.setupSyncToStore()
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this.setupAutosize()
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},
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ondestroy () {
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this.teardownAutosize()
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},
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methods: {
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observe,
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setupSyncFromStore () {
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let textarea = this.refs.textarea
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let firstTime = true
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this.observe('text', text => {
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let { rawText } = this.get()
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if (rawText !== text) {
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this.set({rawText: text})
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// this next autosize is required to resize after
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// the user clicks the "toot" button
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mark('autosize.update()')
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autosize.update(textarea)
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stop('autosize.update()')
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}
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if (firstTime) {
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firstTime = false
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let { autoFocus } = this.get()
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if (autoFocus) {
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requestAnimationFrame(() => textarea.focus())
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}
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}
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})
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},
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setupSyncToStore () {
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const saveStore = debounce(() => scheduleIdleTask(() => this.store.save()), 1000)
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this.observe('rawText', rawText => {
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mark('observe rawText')
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let { realm } = this.get()
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this.store.setComposeData(realm, {text: rawText})
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saveStore()
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stop('observe rawText')
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}, {init: false})
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},
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setupAutosize () {
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let textarea = this.refs.textarea
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requestAnimationFrame(() => {
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mark('autosize()')
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autosize(textarea)
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stop('autosize()')
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})
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},
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teardownAutosize () {
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mark('autosize.destroy()')
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autosize.destroy(this.refs.textarea)
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stop('autosize.destroy()')
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},
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onBlur () {
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scheduleIdleTask(() => {
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this.store.setForCurrentAutosuggest({composeFocused: false})
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})
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},
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onFocus () {
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scheduleIdleTask(() => {
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let {realm} = this.get()
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this.store.set({currentComposeRealm: realm})
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this.store.setForCurrentAutosuggest({composeFocused: true})
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})
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},
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onSelectionChange (selectionStart) {
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scheduleIdleTask(() => {
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this.store.setForCurrentAutosuggest({composeSelectionStart: selectionStart})
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})
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},
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onKeydown (e) {
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let { keyCode } = e
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// ctrl or cmd (on macs) was pressed; ctrl-enter means post a toot
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const ctrlPressed = e.getModifierState('Control') || e.getModifierState('Meta')
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switch (keyCode) {
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case 9: // tab
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this.clickSelectedAutosuggestion(e)
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break
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case 13: // enter
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const autosuggestionClicked = this.clickSelectedAutosuggestion(e)
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if (!autosuggestionClicked && ctrlPressed) {
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this.fire('postAction')
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}
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break
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case 38: // up
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this.incrementAutosuggestSelected(-1, e)
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break
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case 40: // down
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this.incrementAutosuggestSelected(1, e)
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break
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case 27: // escape
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this.clearAutosuggestions(e)
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break
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default:
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}
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},
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clickSelectedAutosuggestion (event) {
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let {
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autosuggestShown,
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autosuggestType
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} = this.store.get()
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if (!autosuggestShown) {
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return false
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}
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let { realm } = this.get()
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if (autosuggestType === 'account') {
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/* no await */ clickSelectedAutosuggestionUsername(realm)
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} else { // emoji
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/* no await */ clickSelectedAutosuggestionEmoji(realm)
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}
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event.preventDefault()
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event.stopPropagation()
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return true
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},
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incrementAutosuggestSelected (increment, event) {
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let {
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autosuggestShown,
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autosuggestSelected,
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autosuggestSearchResults
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} = this.store.get()
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if (!autosuggestShown) {
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return
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}
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autosuggestSelected += increment
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if (autosuggestSelected >= 0) {
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autosuggestSelected = autosuggestSelected % autosuggestSearchResults.length
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} else {
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autosuggestSelected = autosuggestSearchResults.length + autosuggestSelected
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}
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this.store.setForCurrentAutosuggest({autosuggestSelected})
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event.preventDefault()
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event.stopPropagation()
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},
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clearAutosuggestions (event) {
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let { autosuggestShown } = this.store.get()
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if (!autosuggestShown) {
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return
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}
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this.store.setForCurrentAutosuggest({
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autosuggestSearchResults: [],
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autosuggestSelected: 0
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})
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event.preventDefault()
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event.stopPropagation()
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}
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},
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store: () => store,
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data: () => ({
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rawText: ''
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}),
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events: {
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selectionChange
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}
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}
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</script>
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