124 lines
4.1 KiB
HTML
124 lines
4.1 KiB
HTML
<div class="timeline" role="feed" aria-label="{{label}}">
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{{#if !$initialized}}
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<div class="loading-page">
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<LoadingSpinner />
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</div>
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{{/if}}
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{{#if virtual}}
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<VirtualList component="{{StatusVirtualListItem}}"
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:makeProps
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items="{{$statusIds}}"
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on:scrollToBottom="onScrollToBottom()"
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shown="{{$initialized}}"
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footerComponent="{{LoadingFooter}}"
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showFooter="{{$initialized && $runningUpdate}}"
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realm="{{$currentInstance + '/' + timeline}}"
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on:initializedVisibleItems="initialize()"
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/>
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{{else}}
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<!-- if this is a status thread, it's easier to just render the
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whole thing rather than use a virtual list -->
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<PseudoVirtualList component="{{StatusVirtualListItem}}"
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:makeProps
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items="{{$statusIds}}"
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shown="{{$initialized}}"
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on:initializedVisibleItems="initialize()"
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scrollToItem="{{timelineValue}}"
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realm="{{$currentInstance + '/' + timeline}}"
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/>
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{{/if}}
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</div>
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<style>
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.timeline {
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min-height: 60vh;
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position: relative;
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}
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.loading-page {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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height: 150px;
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display: flex;
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align-items: center;
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justify-content: center;
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z-index: 50;
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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 StatusVirtualListItem from './StatusVirtualListItem.html'
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import Status from '../status/Status.html'
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import PseudoVirtualList from '../pseudoVirtualList/PseudoVirtualList.html'
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import LoadingFooter from './LoadingFooter.html'
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import VirtualList from '../virtualList/VirtualList.html'
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import { timelines } from '../../_static/timelines'
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import { database } from '../../_utils/database/database'
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import { initializeTimeline, fetchStatusesOnScrollToBottom, setupTimeline } from '../../_actions/timeline'
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import LoadingSpinner from '../LoadingSpinner.html'
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export default {
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async oncreate() {
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console.log('timeline oncreate()')
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setupTimeline()
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},
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data: () => ({
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StatusVirtualListItem,
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LoadingFooter,
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Status
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}),
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computed: {
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makeProps: ($currentInstance, timelineType, timelineValue) => async (statusId) => ({
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timelineType: timelineType,
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timelineValue: timelineValue,
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status: await database.getStatus($currentInstance, statusId)
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}),
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label: (timeline, $currentInstance, timelineType, timelineValue) => {
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if (timelines[timeline]) {
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return `${timelines[timeline].label} timeline for ${$currentInstance}`
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}
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switch (timelineType) {
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case 'tag':
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return `#${timelineValue} timeline for ${$currentInstance}`
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case 'status':
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return 'Status context'
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case 'account':
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return `Account #${timelineValue} on ${$currentInstance}`
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}
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},
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timelineType: (timeline) => {
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return timeline.split('/')[0]
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},
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timelineValue: (timeline) => {
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return timeline.split('/').slice(-1)[0]
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},
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// for threads, it's simpler to just render all items due to need to scroll to the right item
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// TODO: this can be optimized to use a virtual list
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virtual: (timelineType) => timelineType !=='status'
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},
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store: () => store,
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components: {
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VirtualList,
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PseudoVirtualList,
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LoadingSpinner
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},
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methods: {
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initialize() {
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if (this.store.get('initialized') || !this.store.get('statusIds') || !this.store.get('statusIds').length) {
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return
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}
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console.log('timeline initialize()')
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initializeTimeline()
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},
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onScrollToBottom() {
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if (!this.store.get('initialized') ||
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this.store.get('runningUpdate') ||
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this.get('timelineType') === 'status') { // for status contexts, we've already fetched the whole thread
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return
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}
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fetchStatusesOnScrollToBottom()
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}
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}
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}
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</script> |