mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-12-21 04:12:52 +00:00
495 lines
13 KiB
JavaScript
495 lines
13 KiB
JavaScript
/*
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* This file is part of the MediaWiki extension MultimediaViewer.
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*
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* MultimediaViewer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* MultimediaViewer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MultimediaViewer. If not, see <http://www.gnu.org/licenses/>.
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*/
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const { EmbedFileFormatter, Utils } = require( 'mmv.ui.ondemandshareddependencies' );
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const Tab = require( './mmv.ui.reuse.tab.js' );
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( function () {
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/**
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* UI component that provides the user html/wikitext snippets needed to share
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* and/or embed a media asset.
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*/
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class Embed extends Tab {
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/**
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* @param {jQuery} $container
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*/
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constructor( $container ) {
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super( $container );
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/**
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* Formatter converting image data into formats needed for output
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*
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* @property {EmbedFileFormatter}
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*/
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this.formatter = new EmbedFileFormatter();
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/** @property {Utils} utils - */
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this.utils = new Utils();
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/**
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* Indicates whether or not the default option has been reset for both size menus.
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*
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* @property {boolean}
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*/
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this.isSizeMenuDefaultReset = false;
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this.$pane.addClass( 'mw-mmv-embed-pane' );
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this.$pane.appendTo( this.$container );
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this.createSnippetTextAreas( this.$pane );
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this.createSnippetSelectionButtons( this.$pane );
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this.createSizePulldownMenus( this.$pane );
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/**
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* Currently selected embed snippet.
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*
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* @property {mw.widgets.CopyTextLayout}
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*/
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this.currentMainEmbedText = mw.user.isAnon() ? this.embedTextHtml : this.embedTextWikitext;
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/**
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* Default item for the html size menu.
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*
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* @property {OO.ui.MenuOptionWidget}
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*/
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this.defaultHtmlItem = this.embedSizeSwitchHtml.getMenu().findSelectedItem();
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/**
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* Default item for the wikitext size menu.
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*
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* @property {OO.ui.MenuOptionWidget}
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*/
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this.defaultWikitextItem = this.embedSizeSwitchWikitext.getMenu().findSelectedItem();
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/**
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* Currently selected size menu.
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*
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* @property {OO.ui.MenuSelectWidget}
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*/
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this.currentSizeMenu = mw.user.isAnon() ? this.embedSizeSwitchHtml.getMenu() : this.embedSizeSwitchWikitext.getMenu();
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/**
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* Current default item.
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*
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* @property {OO.ui.MenuOptionWidget}
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*/
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this.currentDefaultItem = mw.user.isAnon() ? this.defaultHtmlItem : this.defaultWikitextItem;
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}
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/**
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* Creates text areas for html and wikitext snippets.
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*
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* @param {jQuery} $container
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*/
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createSnippetTextAreas( $container ) {
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this.embedTextHtml = new mw.widgets.CopyTextLayout( {
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help: mw.message( 'multimediaviewer-embed-explanation' ).text(),
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helpInline: true,
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align: 'top',
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multiline: true,
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textInput: {
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placeholder: mw.message( 'multimediaviewer-reuse-loading-placeholder' ).text(),
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autosize: true,
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maxRows: 5
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},
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button: {
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title: mw.msg( 'multimediaviewer-reuse-copy-embed' )
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}
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} );
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this.embedTextWikitext = new mw.widgets.CopyTextLayout( {
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help: mw.message( 'multimediaviewer-embed-explanation' ).text(),
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helpInline: true,
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align: 'top',
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multiline: true,
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textInput: {
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// The following classes are used here:
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// * mw-editfont-monospace
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// * mw-editfont-sans-serif
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// * mw-editfont-serif
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classes: [ `mw-editfont-${mw.user.options.get( 'editfont' )}` ],
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placeholder: mw.message( 'multimediaviewer-reuse-loading-placeholder' ).text(),
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autosize: true,
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maxRows: 5
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},
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button: {
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title: mw.msg( 'multimediaviewer-reuse-copy-embed' )
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}
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} );
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$container.append(
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this.embedTextHtml.$element,
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this.embedTextWikitext.$element
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);
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}
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/**
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* Creates snippet selection buttons.
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*
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* @param {jQuery} $container
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*/
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createSnippetSelectionButtons( $container ) {
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this.embedSwitch = new OO.ui.ButtonSelectWidget( {
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classes: [ 'mw-mmv-embed-select' ]
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} );
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const wikitextButtonOption = new OO.ui.ButtonOptionWidget( {
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data: 'wikitext',
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label: mw.message( 'multimediaviewer-embed-wt' ).text()
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} );
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const htmlButtonOption = new OO.ui.ButtonOptionWidget( {
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data: 'html',
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label: mw.message( 'multimediaviewer-embed-html' ).text()
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} );
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this.embedSwitch.addItems( [
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wikitextButtonOption,
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htmlButtonOption
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] );
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$( '<p>' )
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.append( this.embedSwitch.$element )
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.appendTo( $container );
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// Logged-out defaults to 'html', logged-in to 'wikitext'
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this.embedSwitch.selectItem( mw.user.isAnon() ? htmlButtonOption : wikitextButtonOption );
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}
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/**
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* Creates pulldown menus to select file sizes.
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*
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* @param {jQuery} $container
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*/
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createSizePulldownMenus( $container ) {
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// Wikitext sizes pulldown menu
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this.embedSizeSwitchWikitext = this.utils.createPulldownMenu(
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[ 'default', 'small', 'medium', 'large' ],
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[],
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'default'
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);
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// Html sizes pulldown menu
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this.embedSizeSwitchHtml = this.utils.createPulldownMenu(
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[ 'small', 'medium', 'large', 'original' ],
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[],
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'original'
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);
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this.embedSizeSwitchHtmlLayout = new OO.ui.FieldLayout( this.embedSizeSwitchHtml, { align: 'top' } );
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this.embedSizeSwitchWikitextLayout = new OO.ui.FieldLayout( this.embedSizeSwitchWikitext, { align: 'top' } );
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$container.append(
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this.embedSizeSwitchHtmlLayout.$element,
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this.embedSizeSwitchWikitextLayout.$element
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);
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}
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/**
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* Registers listeners.
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*/
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attach() {
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// Register handler for switching between wikitext/html snippets
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this.embedSwitch.on( 'select', this.handleTypeSwitch.bind( this ) );
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this.handleTypeSwitch( this.embedSwitch.findSelectedItem() );
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// Register handlers for switching between file sizes
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this.embedSizeSwitchHtml.getMenu().on( 'choose', this.handleSizeSwitch.bind( this ) );
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this.embedSizeSwitchWikitext.getMenu().on( 'choose', this.handleSizeSwitch.bind( this ) );
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}
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/**
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* Clears listeners.
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*/
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unattach() {
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super.unattach();
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this.embedSwitch.off( 'select' );
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this.embedSizeSwitchHtml.getMenu().off( 'choose' );
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this.embedSizeSwitchWikitext.getMenu().off( 'choose' );
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}
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/**
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* Handles size menu change events.
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*
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* @param {OO.ui.MenuOptionWidget} item
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*/
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handleSizeSwitch( item ) {
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const value = item.getData();
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this.changeSize( value.width, value.height );
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}
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/**
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* Handles snippet type switch.
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*
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* @param {OO.ui.MenuOptionWidget} item
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*/
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handleTypeSwitch( item ) {
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const value = item.getData();
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if ( value === 'html' ) {
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this.currentMainEmbedText = this.embedTextHtml;
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this.embedSizeSwitchWikitext.getMenu().toggle( false );
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this.currentSizeMenu = this.embedSizeSwitchHtml.getMenu();
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this.currentDefaultItem = this.defaultHtmlItem;
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} else if ( value === 'wikitext' ) {
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this.currentMainEmbedText = this.embedTextWikitext;
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this.embedSizeSwitchHtml.getMenu().toggle( false );
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this.currentSizeMenu = this.embedSizeSwitchWikitext.getMenu();
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this.currentDefaultItem = this.defaultWikitextItem;
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}
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this.embedTextHtml.toggle( value === 'html' );
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this.embedSizeSwitchHtmlLayout.toggle( value === 'html' );
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this.embedTextWikitext.toggle( value === 'wikitext' );
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this.embedSizeSwitchWikitextLayout.toggle( value === 'wikitext' );
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// Reset current selection to default when switching the first time
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if ( !this.isSizeMenuDefaultReset ) {
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this.resetCurrentSizeMenuToDefault();
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this.isSizeMenuDefaultReset = true;
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}
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this.select();
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}
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/**
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* Reset current menu selection to default item.
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*/
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resetCurrentSizeMenuToDefault() {
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this.currentSizeMenu.chooseItem( this.currentDefaultItem );
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// Force select logic to update the selected item bar, otherwise we end up
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// with the wrong label. This is implementation dependent and maybe it should
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// be done via a to flag to OO.ui.SelectWidget.prototype.chooseItem()?
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this.currentSizeMenu.emit( 'select', this.currentDefaultItem );
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}
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/**
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* Changes the size, takes different actions based on which sort of
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* embed is currently chosen.
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*
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* @param {number} width New width to set
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* @param {number} height New height to set
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*/
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changeSize( width, height ) {
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const currentItem = this.embedSwitch.findSelectedItem();
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if ( currentItem === null ) {
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return;
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}
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switch ( currentItem.getData() ) {
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case 'html':
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this.updateEmbedHtml( {}, width, height );
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break;
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case 'wikitext':
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this.updateEmbedWikitext( width );
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break;
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}
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this.select();
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}
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/**
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* Sets the HTML embed text.
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*
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* Assumes that the set() method has already been called to update this.embedFileInfo
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*
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* @param {Thumbnail} thumbnail (can be just an empty object)
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* @param {number} width New width to set
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* @param {number} height New height to set
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*/
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updateEmbedHtml( thumbnail, width, height ) {
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if ( !this.embedFileInfo ) {
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return;
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}
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let src = thumbnail.url || this.embedFileInfo.imageInfo.url;
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// If the image dimension requested are "large", use the current image url
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if ( width > Embed.LARGE_IMAGE_WIDTH_THRESHOLD || height > Embed.LARGE_IMAGE_HEIGHT_THRESHOLD ) {
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src = this.embedFileInfo.imageInfo.url;
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}
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this.embedTextHtml.textInput.setValue(
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this.formatter.getThumbnailHtml( this.embedFileInfo, src, width, height )
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);
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}
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/**
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* Updates the wikitext embed text with a new value for width.
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*
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* Assumes that the set method has already been called.
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*
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* @param {number} width
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*/
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updateEmbedWikitext( width ) {
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if ( !this.embedFileInfo ) {
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return;
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}
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this.embedTextWikitext.textInput.setValue(
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this.formatter.getThumbnailWikitextFromEmbedFileInfo( this.embedFileInfo, width )
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);
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}
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/**
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* Shows the pane.
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*/
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show() {
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super.show();
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// Force update size on multiline inputs, as they may have be
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// calculated while not visible.
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this.currentMainEmbedText.textInput.valCache = null;
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this.currentMainEmbedText.textInput.adjustSize();
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this.select();
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}
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/**
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* Gets size options for html and wikitext snippets.
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*
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* @param {number} width
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* @param {number} height
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* @return {Object}
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* @return {Object} return.html Collection of possible image sizes for html snippets
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* @return {Object} return.wikitext Collection of possible image sizes for wikitext snippets
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*/
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getSizeOptions( width, height ) {
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const sizes = {};
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sizes.html = this.utils.getPossibleImageSizesForHtml( width, height );
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sizes.wikitext = this.getPossibleImageSizesForWikitext( width, height );
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return sizes;
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}
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/**
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* Sets the data on the element.
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*
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* @param {Image} image
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* @param {Repo} repo
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* @param {string} [caption]
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* @param {string} [alt]
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*/
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set( image, repo, caption, alt ) {
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const htmlSizeSwitch = this.embedSizeSwitchHtml.getMenu();
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const htmlSizeOptions = htmlSizeSwitch.getItems();
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const wikitextSizeSwitch = this.embedSizeSwitchWikitext.getMenu();
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const wikitextSizeOptions = wikitextSizeSwitch.getItems();
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const sizes = this.getSizeOptions( image.width, image.height );
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this.embedFileInfo = { imageInfo: image, repoInfo: repo };
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if ( caption ) {
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this.embedFileInfo.caption = caption;
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}
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if ( alt ) {
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this.embedFileInfo.alt = alt;
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}
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this.utils.updateMenuOptions( sizes.html, htmlSizeOptions );
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this.utils.updateMenuOptions( sizes.wikitext, wikitextSizeOptions );
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// Reset defaults
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this.isSizeMenuDefaultReset = false;
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this.resetCurrentSizeMenuToDefault();
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this.utils.getThumbnailUrlPromise( this.LARGE_IMAGE_WIDTH_THRESHOLD )
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.done( ( thumbnail ) => {
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this.updateEmbedHtml( thumbnail );
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this.select();
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} );
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}
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/**
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* @inheritdoc
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*/
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empty() {
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this.embedTextHtml.textInput.setValue( '' );
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this.embedTextWikitext.textInput.setValue( '' );
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this.embedSizeSwitchHtml.getMenu().toggle( false );
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this.embedSizeSwitchWikitext.getMenu().toggle( false );
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}
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/**
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* Selects the text in the current textbox by triggering a focus event.
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*/
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select() {
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this.currentMainEmbedText.selectText();
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}
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/**
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* Calculates possible image sizes for wikitext snippets. It returns up to
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* three possible snippet frame sizes (small, medium, large).
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*
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* @param {number} width
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* @param {number} height
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* @return {Object}
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* @return {Object} return.small
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* @return {Object} return.medium
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* @return {Object} return.large
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*/
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getPossibleImageSizesForWikitext( width, height ) {
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const buckets = {
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small: 300,
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medium: 400,
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large: 500
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};
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const sizes = {};
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const widthToHeight = height / width;
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for ( const bucketName in buckets ) {
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const bucketWidth = buckets[ bucketName ];
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if ( width > bucketWidth ) {
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sizes[ bucketName ] = {
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width: bucketWidth,
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height: Math.round( bucketWidth * widthToHeight )
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};
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}
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}
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sizes.default = { width: null, height: null };
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return sizes;
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}
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}
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/**
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* @property {number} Width threshold at which an image is to be considered "large"
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* @static
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*/
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Embed.LARGE_IMAGE_WIDTH_THRESHOLD = 1200;
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/**
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* @property {number} Height threshold at which an image is to be considered "large"
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* @static
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*/
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Embed.LARGE_IMAGE_HEIGHT_THRESHOLD = 900;
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module.exports = Embed;
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}() );
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