Custom emojis: import/export functions.
This commit is contained in:
John Livingston
parent
c6513f922b
commit
6f56a026bb
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@ -220,6 +220,10 @@ $small-view: 800px;
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.peertube-livechat-emojis-col-file {
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width: 150px;
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}
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.peertube-plugin-livechat-configuration-actions {
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text-align: right;
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}
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}
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livechat-dynamic-table-form {
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@ -100,3 +100,7 @@ declare const LOC_LIVECHAT_EMOJIS_SHORTNAME: string
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declare const LOC_LIVECHAT_EMOJIS_SHORTNAME_DESC: string
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declare const LOC_LIVECHAT_EMOJIS_FILE: string
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declare const LOC_LIVECHAT_EMOJIS_FILE_DESC: string
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declare const LOC_ACTION_IMPORT: string
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declare const LOC_ACTION_EXPORT: string
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declare const LOC_ACTION_IMPORT_EMOJIS_INFO: string
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@ -81,6 +81,23 @@ export class ChannelEmojisElement extends LivechatElement {
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</livechat-help-button>
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</p>
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<div class="peertube-plugin-livechat-configuration-actions">
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${
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this._channelEmojisConfiguration?.emojis?.customEmojis?.length
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? html`<button class="peertube-button-link orange-button" @click=${this._exportEmojis}>
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${ptTr(LOC_ACTION_EXPORT)}
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</button>`
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: ''
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}
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${
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(this._channelEmojisConfiguration?.emojis?.customEmojis?.length ?? 0) < maxEmojisPerChannel
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? html`<button class="peertube-button-link orange-button" @click=${this._importEmojis}>
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${ptTr(LOC_ACTION_IMPORT)}
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</button>`
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: ''
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}
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</div>
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<form role="form" @submit=${this._saveEmojis}>
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<div class="row mt-5">
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<livechat-dynamic-table-form
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@ -162,4 +179,146 @@ export class ChannelEmojisElement extends LivechatElement {
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this.requestUpdate('_validationError')
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}
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}
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private async _importEmojis (ev: Event): Promise<void> {
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ev.preventDefault()
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const b: HTMLElement | null = ev.target && 'tagName' in ev.target ? ev.target as HTMLElement : null
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b?.setAttribute('disabled', '')
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try {
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// download a json file:
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const file = await new Promise<File>((resolve, reject) => {
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const input = document.createElement('input')
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input.setAttribute('type', 'file')
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input.setAttribute('accept', 'application/json')
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input.onchange = (e) => {
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e.preventDefault()
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e.stopImmediatePropagation()
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const file = (e.target as HTMLInputElement).files?.[0]
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if (!file) {
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reject(new Error('Missing file'))
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return
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}
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resolve(file)
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}
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input.click()
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input.remove()
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})
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const content = await new Promise<string>((resolve, reject) => {
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const fileReader = new FileReader()
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fileReader.onerror = reject
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fileReader.onload = () => {
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if (fileReader.result === null) {
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reject(new Error('Empty result'))
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return
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}
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if (fileReader.result instanceof ArrayBuffer) {
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reject(new Error('Result is an ArrayBuffer, this was not intended'))
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} else {
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resolve(fileReader.result)
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}
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}
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fileReader.readAsText(file)
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})
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const json = JSON.parse(content)
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if (!Array.isArray(json)) {
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throw new Error('Invalid data, an array was expected')
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}
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for (const entry of json) {
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if (typeof entry !== 'object') {
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throw new Error('Invalid data')
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}
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if (!entry.sn || !entry.url || (typeof entry.sn !== 'string') || (typeof entry.url !== 'string')) {
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throw new Error('Invalid data')
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}
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const url = await this._convertImageToDataUrl(entry.url)
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let sn = entry.sn as string
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if (!sn.startsWith(':')) { sn = ':' + sn }
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if (!sn.endsWith(':')) { sn += ':' }
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const item: ChannelEmojisConfiguration['emojis']['customEmojis'][0] = {
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sn,
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url
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}
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if (entry.isCategoryEmoji === true) {
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item.isCategoryEmoji = true
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}
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this._channelEmojisConfiguration?.emojis.customEmojis.push(item)
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}
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this.requestUpdate('_channelEmojisConfiguration')
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this.registerClientOptions?.peertubeHelpers.notifier.info(
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await this.registerClientOptions?.peertubeHelpers.translate(LOC_ACTION_IMPORT_EMOJIS_INFO)
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)
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} catch (err: any) {
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this.registerClientOptions?.peertubeHelpers.notifier.error(err.toString())
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} finally {
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b?.removeAttribute('disabled')
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}
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}
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private async _exportEmojis (ev: Event): Promise<void> {
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ev.preventDefault()
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const b: HTMLElement | null = ev.target && 'tagName' in ev.target ? ev.target as HTMLElement : null
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b?.setAttribute('disabled', '')
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try {
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const result: ChannelEmojisConfiguration['emojis']['customEmojis'] = []
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for (const ed of this._channelEmojisConfiguration?.emojis?.customEmojis ?? []) {
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if (!ed.sn || !ed.url) { continue }
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// Here url can be:
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// * the dataUrl representation of a newly uploaded file
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// * or the url of an already saved image file
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// In both cases, we want to export a dataUrl version.
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const url = await this._convertImageToDataUrl(ed.url)
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const item: typeof result[0] = {
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sn: ed.sn,
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url
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}
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if (ed.isCategoryEmoji === true) { item.isCategoryEmoji = ed.isCategoryEmoji }
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result.push(item)
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}
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// Make the browser download the JSON file:
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const dataUrl = 'data:application/json;charset=utf-8,' + encodeURIComponent(JSON.stringify(result))
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const a = document.createElement('a')
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a.setAttribute('href', dataUrl)
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a.setAttribute('download', 'emojis.json')
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a.click()
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a.remove()
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} catch (err: any) {
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console.error(err)
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this.registerClientOptions?.peertubeHelpers.notifier.error(err.toString())
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} finally {
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b?.removeAttribute('disabled')
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}
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}
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private async _convertImageToDataUrl (url: string): Promise<string> {
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if (url.startsWith('data:')) { return url }
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// There is a trick to convert img to dataUrl: using a canvas.
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// But we can't use it here... as it won't work with animated GIF.
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// So we just fetch each url, and do the work.
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const blob = await (await fetch(url)).blob()
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const base64 = await new Promise<string>((resolve, reject) => {
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const fileReader = new FileReader()
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fileReader.onload = () => {
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if (fileReader.result === null) {
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reject(new Error('Empty result'))
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return
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}
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if (fileReader.result instanceof ArrayBuffer) {
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reject(new Error('Result is an ArrayBuffer, this was not intended'))
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} else {
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resolve(fileReader.result)
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}
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}
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fileReader.onerror = reject
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fileReader.readAsDataURL(blob)
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})
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return base64
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}
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}
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@ -80,7 +80,6 @@ export class ImageFileInputElement extends LivechatElement {
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try {
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const base64 = await new Promise<string>((resolve, reject) => {
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const fileReader = new FileReader()
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fileReader.readAsDataURL(file)
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fileReader.onload = () => {
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if (fileReader.result === null) {
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reject(new Error('Empty result'))
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@ -93,6 +92,7 @@ export class ImageFileInputElement extends LivechatElement {
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}
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}
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fileReader.onerror = reject
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fileReader.readAsDataURL(file)
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})
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this.value = base64
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@ -507,3 +507,7 @@ livechat_emojis_shortname_desc: |
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livechat_emojis_file: 'File'
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livechat_emojis_file_desc: |
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The emoji file.
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action_import: Import
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action_export: Export
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action_import_emojis_info: If imported data are okay, don't forgot to save the form.
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