105 lines
2.8 KiB
HTML
105 lines
2.8 KiB
HTML
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<div class="media-alt-editor">
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<textarea
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id="the-media-alt-input-{realm}-{index}"
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class="media-alt-input"
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placeholder="Description"
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ref:textarea
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bind:value=rawText
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maxlength="420"
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></textarea>
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<label for="the-media-alt-input-{realm}-{index}" class="sr-only">
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Describe for the visually impaired
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</label>
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</div>
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<style>
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.media-alt-editor {
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display: flex;
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}
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.media-alt-input {
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padding: 5px;
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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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max-height: 70vh;
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}
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@media (max-height: 767px) {
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.media-alt-input {
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max-height: 40vh;
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width: 100%;
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}
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}
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</style>
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<script>
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import { requestPostAnimationFrame } from '../../../_utils/requestPostAnimationFrame'
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import { mark, stop } from '../../../_utils/marks'
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import { autosize } from '../../../_thirdparty/autosize/autosize'
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import { observe } from 'svelte-extras'
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import { throttleTimer } from '../../../_utils/throttleTimer'
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import { get } from '../../../_utils/lodash-lite'
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import { store } from '../../../_store/store'
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const updateRawTextInStore = throttleTimer(requestPostAnimationFrame)
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export default {
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oncreate () {
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this.setupAutosize()
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this.setupSyncFromStore()
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this.setupSyncToStore()
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},
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ondestroy () {
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this.teardownAutosize()
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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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methods: {
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observe,
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setupSyncFromStore () {
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this.observe('media', media => {
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media = media || []
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const { index, rawText } = this.get()
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const text = get(media, [index, 'description'], '')
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if (rawText !== text) {
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this.set({ rawText: text })
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}
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})
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},
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setupSyncToStore () {
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this.observe('rawText', rawText => {
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updateRawTextInStore(() => {
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const { realm, index, media } = this.get()
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if (media[index].description !== rawText) {
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media[index].description = rawText
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this.store.setComposeData(realm, { media })
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this.store.save()
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}
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this.fire('resize')
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})
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}, { init: false })
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},
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setupAutosize () {
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const textarea = this.refs.textarea
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requestPostAnimationFrame(() => {
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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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measure () {
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autosize.update(this.refs.textarea)
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}
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}
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}
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</script>
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