mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-11-30 02:44:33 +00:00
514 lines
15 KiB
JavaScript
514 lines
15 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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( function ( mw, $, oo ) {
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// Shortcut for prototype later
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var EP;
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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 mw.mmv.ui.reuse.Embed
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* @extends mw.mmv.ui.reuse.Tab
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* @constructor
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* @param {jQuery} $container
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*/
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function Embed( $container ) {
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mw.mmv.ui.reuse.Tab.call( this, $container );
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/**
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* Formatter converting image data into formats needed for output
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* @property {mw.mmv.EmbedFileFormatter}
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*/
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this.formatter = new mw.mmv.EmbedFileFormatter();
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/** @property {mw.mmv.ui.Utils} utils - */
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this.utils = new mw.mmv.ui.Utils();
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/**
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* Indicates whether or not the default option has been reset for both size menus.
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* @property {boolean}
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*/
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this.isSizeMenuDefaultReset = false;
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this.$pane.addClass( 'mw-mmv-embed-pane' );
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this.$pane.appendTo( this.$container );
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this.createSnippetTextAreas( this.$pane );
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this.$explanation = $( '<div>' )
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.addClass( 'mw-mmv-shareembed-explanation mw-mmv-embed-explanation' )
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.text( mw.message( 'multimediaviewer-embed-explanation' ).text() )
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.appendTo( this.$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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* @property {jQuery}
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*/
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this.$currentMainEmbedText = mw.user.isAnon() ? this.embedTextHtml.$element : this.embedTextWikitext.$element;
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/**
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* Default item for the html size menu.
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* @property {OO.ui.MenuOptionWidget}
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*/
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this.defaultHtmlItem = this.embedSizeSwitchHtml.getMenu().getSelectedItem();
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/**
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* Default item for the wikitext size menu.
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* @property {OO.ui.MenuOptionWidget}
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*/
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this.defaultWikitextItem = this.embedSizeSwitchWikitext.getMenu().getSelectedItem();
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/**
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* Currently selected size menu.
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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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* @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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oo.inheritClass( Embed, mw.mmv.ui.reuse.Tab );
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EP = Embed.prototype;
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/** @property {number} Width threshold at which an image is to be considered "large" */
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EP.LARGE_IMAGE_WIDTH_THRESHOLD = 1200;
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/** @property {number} Height threshold at which an image is to be considered "large" */
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EP.LARGE_IMAGE_HEIGHT_THRESHOLD = 900;
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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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EP.createSnippetTextAreas = function ( $container ) {
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var wikitextClasses = [ 'mw-mmv-embed-text-wikitext' ],
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htmlClasses = [ 'mw-mmv-embed-text-html' ];
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( mw.user.isAnon() ? htmlClasses : wikitextClasses ).push( 'active' );
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this.embedTextHtml = new oo.ui.TextInputWidget( {
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classes: htmlClasses,
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multiline: true,
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readOnly: true
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} );
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this.embedTextHtml.$element.find( 'textarea' )
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.prop( 'placeholder', mw.message( 'multimediaviewer-reuse-loading-placeholder' ).text() );
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this.embedTextHtml.$input.on( 'copy', function () {
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mw.mmv.actionLogger.log( 'embed-html-copied' );
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} );
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this.embedTextWikitext = new oo.ui.TextInputWidget( {
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classes: wikitextClasses,
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multiline: true,
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readOnly: true
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} );
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this.embedTextWikitext.$element.find( 'textarea' )
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.prop( 'placeholder', mw.message( 'multimediaviewer-reuse-loading-placeholder' ).text() );
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this.embedTextWikitext.$input.on( 'copy', function () {
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mw.mmv.actionLogger.log( 'embed-wikitext-copied' );
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} );
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$( '<p>' )
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.append(
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this.embedTextHtml.$element,
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this.embedTextWikitext.$element
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)
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.appendTo( $container );
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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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EP.createSnippetSelectionButtons = function ( $container ) {
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var wikitextButtonOption,
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htmlButtonOption;
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this.embedSwitch = new oo.ui.ButtonSelectWidget( {
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classes: [ 'mw-mmv-embed-select' ]
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} );
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wikitextButtonOption = new oo.ui.ButtonOptionWidget( {
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data: 'wikitext',
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label: mw.message( 'multimediaviewer-embed-wt' ).text()
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} );
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htmlButtonOption = new oo.ui.ButtonOptionWidget( {
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data: 'html',
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label: mw.message( 'multimediaviewer-embed-html' ).text()
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} );
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this.embedSwitch.addItems( [
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wikitextButtonOption,
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htmlButtonOption
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] );
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$( '<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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EP.createSizePulldownMenus = function ( $container ) {
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var wikitextClasses = [ 'mw-mmv-embed-size' ],
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htmlClasses = [ 'mw-mmv-embed-size' ];
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( mw.user.isAnon() ? htmlClasses : wikitextClasses ).push( 'active' );
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// Wikitext sizes pulldown menu
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this.embedSizeSwitchWikitext = this.utils.createPulldownMenu(
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[ 'default', 'small', 'medium', 'large' ],
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wikitextClasses,
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'default'
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);
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this.embedSizeSwitchWikitext.getMenu().on( 'select', function ( item ) {
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mw.mmv.actionLogger.log( 'embed-select-menu-wikitext-' + item.data.name );
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} );
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// Html sizes pulldown menu
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this.embedSizeSwitchHtml = this.utils.createPulldownMenu(
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[ 'small', 'medium', 'large', 'original' ],
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htmlClasses,
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'original'
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);
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this.embedSizeSwitchHtml.getMenu().on( 'select', function ( item ) {
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mw.mmv.actionLogger.log( 'embed-select-menu-html-' + item.data.name );
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} );
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$( '<p>' )
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.append(
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this.embedSizeSwitchHtml.$element,
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this.embedSizeSwitchWikitext.$element
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)
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.appendTo( $container );
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};
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/**
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* Registers listeners.
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*/
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EP.attach = function () {
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var embed = this,
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$htmlTextarea = this.embedTextHtml.$element.find( 'textarea' ),
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$wikitextTextarea = this.embedTextWikitext.$element.find( 'textarea' );
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// Select all text once element gets focus
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$htmlTextarea.on( 'focus', this.selectAllOnEvent );
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$wikitextTextarea.on( 'focus', this.selectAllOnEvent );
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// Disable partial text selection inside the textboxes
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$htmlTextarea.on( 'mousedown click', this.onlyFocus );
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$wikitextTextarea.on( 'mousedown click', this.onlyFocus );
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// Register handler for switching between wikitext/html snippets
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this.embedSwitch.on( 'select', $.proxy( embed.handleTypeSwitch, embed ) );
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// Register handlers for switching between file sizes
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this.embedSizeSwitchHtml.getMenu().on( 'choose', $.proxy( this.handleSizeSwitch, this ) );
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this.embedSizeSwitchWikitext.getMenu().on( 'choose', $.proxy( this.handleSizeSwitch, this ) );
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};
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/**
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* Clears listeners.
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*/
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EP.unattach = function () {
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var $htmlTextarea = this.embedTextHtml.$element.find( 'textarea' ),
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$wikitextTextarea = this.embedTextWikitext.$element.find( 'textarea' );
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mw.mmv.ui.reuse.Tab.prototype.unattach.call( this );
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$htmlTextarea.off( 'focus mousedown click' );
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$wikitextTextarea.off( 'focus mousedown click' );
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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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EP.handleSizeSwitch = function ( item ) {
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var 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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EP.handleTypeSwitch = function ( item ) {
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var value = item.getData();
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mw.mmv.actionLogger.log( 'embed-switched-to-' + value );
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if ( value === 'html' ) {
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this.$currentMainEmbedText = this.embedTextHtml.$element;
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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.$currentMainEmbedText = this.embedTextWikitext.$element;
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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.$element
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.add( this.embedSizeSwitchHtml.$element )
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.toggleClass( 'active', value === 'html' );
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this.embedTextWikitext.$element
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.add( this.embedSizeSwitchWikitext.$element )
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.toggleClass( 'active', 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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EP.resetCurrentSizeMenuToDefault = function () {
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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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EP.changeSize = function ( width, height ) {
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var currentItem = this.embedSwitch.getSelectedItem();
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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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* @param {mw.mmv.model.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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EP.updateEmbedHtml = function ( thumbnail, width, height ) {
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var src;
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if ( !this.embedFileInfo ) {
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return;
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}
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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 > EP.LARGE_IMAGE_WIDTH_THRESHOLD || height > EP.LARGE_IMAGE_HEIGHT_THRESHOLD ) {
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src = this.embedFileInfo.imageInfo.url;
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}
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this.embedTextHtml.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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* 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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* @param {number} width
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*/
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EP.updateEmbedWikitext = function ( width ) {
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if ( !this.embedFileInfo ) {
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return;
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}
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this.embedTextWikitext.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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EP.show = function () {
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mw.mmv.ui.reuse.Tab.prototype.show.call( this );
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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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* @returns {Object}
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* @returns {Object} return.html Collection of possible image sizes for html snippets
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* @returns {Object} return.wikitext Collection of possible image sizes for wikitext snippets
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*/
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EP.getSizeOptions = function ( width, height ) {
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var 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 {mw.mmv.model.Image} image
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* @param {mw.mmv.model.Repo} repo
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* @param {string} caption
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* @param {string} alt
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*/
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EP.set = function ( image, repo, caption, alt ) {
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var embed = this,
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htmlSizeSwitch = this.embedSizeSwitchHtml.getMenu(),
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htmlSizeOptions = htmlSizeSwitch.getItems(),
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wikitextSizeSwitch = this.embedSizeSwitchWikitext.getMenu(),
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wikitextSizeOptions = wikitextSizeSwitch.getItems(),
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sizes = this.getSizeOptions( image.width, image.height );
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this.embedFileInfo = new mw.mmv.model.EmbedFileInfo( image, repo, caption, alt );
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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( function ( thumbnail ) {
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embed.updateEmbedHtml( thumbnail );
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embed.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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EP.empty = function () {
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this.embedTextHtml.setValue( '' );
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this.embedTextWikitext.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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EP.select = function () {
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this.$currentMainEmbedText.focus();
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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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* @returns {Object}
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* @returns { {width: number, height: number} } return.small
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* @returns { {width: number, height: number} } return.medium
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* @returns { {width: number, height: number} } return.large
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*/
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EP.getPossibleImageSizesForWikitext = function ( width, height ) {
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var i, bucketName,
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bucketWidth,
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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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sizes = {},
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bucketNames = Object.keys( buckets ),
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widthToHeight = height / width;
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for ( i = 0; i < bucketNames.length; i++ ) {
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bucketName = bucketNames[i];
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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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mw.mmv.ui.reuse.Embed = Embed;
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}( mediaWiki, jQuery, OO ) );
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