mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-05 22:22:54 +00:00
434 lines
15 KiB
JavaScript
434 lines
15 KiB
JavaScript
/*!
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* VisualEditor MediaWiki ViewPageTarget init.
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*
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* This file must remain as widely compatible as the base compatibility
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* for MediaWiki itself (see mediawiki/core:/resources/startup.js).
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* Avoid use of: ES5, SVG, HTML5 DOM, ContentEditable etc.
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*
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* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/*global mw */
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/**
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* Platform preparation for the MediaWiki view page. This loads (when user needs it) the
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* actual MediaWiki integration and VisualEditor library.
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*
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* @class ve.init.mw.ViewPageTarget.init
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* @singleton
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*/
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( function () {
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var conf, tabMessages, uri, pageExists, viewUri, veEditUri, isViewPage,
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init, support, getTargetDeferred, userPrefEnabled,
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plugins = [];
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/**
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* Use deferreds to avoid loading and instantiating Target multiple times.
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* @returns {jQuery.Promise}
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*/
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function getTarget() {
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var loadTargetDeferred;
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if ( !getTargetDeferred ) {
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getTargetDeferred = $.Deferred();
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loadTargetDeferred = $.Deferred()
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.done( function () {
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var target = new ve.init.mw.ViewPageTarget();
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ve.init.mw.targets.push( target );
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// Transfer methods
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ve.init.mw.ViewPageTarget.prototype.setupSectionEditLinks = init.setupSectionLinks;
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// Add plugins
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target.addPlugins( plugins );
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getTargetDeferred.resolve( target );
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} )
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.fail( getTargetDeferred.reject );
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mw.loader.using( 'ext.visualEditor.viewPageTarget', loadTargetDeferred.resolve, loadTargetDeferred.reject );
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}
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return getTargetDeferred.promise();
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}
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conf = mw.config.get( 'wgVisualEditorConfig' );
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tabMessages = conf.tabMessages;
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uri = new mw.Uri();
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// BUG 49000: For special pages, no information about page existence is
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// exposed to mw.config (see BUG 53774), so we assume it exists.
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pageExists = !!mw.config.get( 'wgArticleId' ) || mw.config.get( 'wgNamespaceNumber' ) < 0;
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viewUri = new mw.Uri( mw.util.wikiGetlink( mw.config.get( 'wgRelevantPageName' ) ) );
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veEditUri = viewUri.clone().extend( { 'veaction': 'edit' } );
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isViewPage = (
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mw.config.get( 'wgIsArticle' ) &&
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!( 'diff' in uri.query )
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);
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support = {
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es5: !!(
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// It would be much easier to do a quick inline function that asserts "use strict"
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// works, but since IE9 doesn't support strict mode (and we don't use strict mode) we
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// have to instead list all the ES5 features we do use.
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Array.isArray &&
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Array.prototype.filter &&
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Array.prototype.indexOf &&
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Array.prototype.map &&
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Date.now &&
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Date.prototype.toJSON &&
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Function.prototype.bind &&
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Object.create &&
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Object.keys &&
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String.prototype.trim &&
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window.JSON &&
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JSON.parse &&
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JSON.stringify
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),
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contentEditable: 'contentEditable' in document.createElement( 'div' )
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};
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init = {
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support: support,
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blacklist: {
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// IE <= 8 has various incompatibilities in layout and feature support
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// IE9 and IE10 generally work but fail in ajax handling when making POST
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// requests to the VisualEditor/Parsoid API which is causing silent failures
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// when trying to save a page (bug 49187)
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'msie': [['<=', 10]],
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// Android 2.x and below "support" CE but don't trigger keyboard input
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'android': [['<', 3]],
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// Firefox issues in versions 12 and below (bug 50780)
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// Wikilink [[./]] bug in Firefox 14 and below (bug 50720)
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'firefox': [['<=', 14]],
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// Opera < 12 was not tested and it's userbase is almost nonexistent anyway
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'opera': [['<', 12]],
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// Blacklist all versions:
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'blackberry': null
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},
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/**
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* Add a plugin module or function.
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*
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* Plugins are run after VisualEditor is loaded, but before it is initialized. This allows
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* plugins to add classes and register them with the factories and registries.
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*
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* The parameter to this function can be a ResourceLoader module name or a function.
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*
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* If it's a module name, it will be loaded together with the VisualEditor core modules when
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* VE is loaded. No special care is taken to ensure that the module runs after the VE
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* classes are loaded, so if this is desired, the module should depend on
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* ext.visualEditor.core .
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*
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* If it's a function, it will be invoked once the VisualEditor core modules and any
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* plugin modules registered through this function have been loaded, but before the editor
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* is intialized. The function takes one parameter, which is the ve.init.mw.Target instance
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* that's initializing, and can optionally return a jQuery.Promise . VisualEditor will
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* only be initialized once all promises returned by plugin functions have been resolved.
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*
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* @example
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* // Register ResourceLoader module
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* ve.libs.mw.addPlugin( 'ext.gadget.foobar' );
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*
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* // Register a callback
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* ve.libs.mw.addPlugin( function ( target ) {
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* ve.dm.Foobar = .....
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* } );
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*
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* // Register a callback that loads another script
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* ve.libs.mw.addPlugin( function () {
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* return $.getScript( 'http://example.com/foobar.js' );
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* } );
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*
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* @param {string|Function} plugin Module name or callback that optionally returns a promise
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*/
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addPlugin: function( plugin ) {
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plugins.push( plugin );
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},
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setupSkin: function () {
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init.setupTabs();
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init.setupSectionLinks();
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},
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setupTabs: function () {
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var caVeEdit,
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action = pageExists ? 'edit' : 'create',
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pTabsId = $( '#p-views' ).length ? 'p-views' : 'p-cactions',
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$caSource = $( '#ca-viewsource' ),
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$caEdit = $( '#ca-edit' ),
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$caVeEdit = $( '#ca-ve-edit' ),
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$caEditLink = $caEdit.find( 'a' ),
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$caVeEditLink = $caVeEdit.find( 'a' ),
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reverseTabOrder = $( 'body' ).hasClass( 'rtl' ) && pTabsId === 'p-views',
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/*jshint bitwise:false */
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caVeEditNextnode = ( reverseTabOrder ^ conf.tabPosition === 'before' ) ? $caEdit.get( 0 ) : $caEdit.next().get( 0 );
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if ( !$caVeEdit.length ) {
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// The below duplicates the functionality of VisualEditorHooks::onSkinTemplateNavigation()
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// in case we're running on a cached page that doesn't have these tabs yet.
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// If there is no edit tab or a view-source tab,
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// the user doesn't have permission to edit.
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if ( $caEdit.length && !$caSource.length ) {
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// Add the VisualEditor tab (#ca-ve-edit)
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caVeEdit = mw.util.addPortletLink(
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pTabsId,
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// Use url instead of '#'.
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// So that 1) one can always open it in a new tab, even when
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// onEditTabClick is bound.
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// 2) when onEditTabClick is not bound (!isViewPage) it will
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// just work.
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veEditUri,
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tabMessages[action] !== null ? mw.msg( tabMessages[action] ) : $caEditLink.text(),
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'ca-ve-edit',
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mw.msg( 'tooltip-ca-ve-edit' ),
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mw.msg( 'accesskey-ca-ve-edit' ),
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caVeEditNextnode
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);
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$caVeEdit = $( caVeEdit );
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$caVeEditLink = $caVeEdit.find( 'a' );
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}
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} else {
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// Make the state of the page consistent with the config if needed
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/*jshint bitwise:false */
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if ( reverseTabOrder ^ conf.tabPosition === 'before' ) {
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if ( $caEdit[0].nextSibling === $caVeEdit[0] ) {
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$caVeEdit.after( $caEdit );
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}
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} else {
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if ( $caVeEdit[0].nextSibling === $caEdit[0] ) {
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$caEdit.after( $caVeEdit );
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}
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}
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if ( tabMessages[action] !== null ) {
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$caVeEditLink.text( mw.msg( tabMessages[action] ) );
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}
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}
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// Alter the edit tab (#ca-edit)
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if ( tabMessages[action + 'source'] !== null ) {
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$caEditLink.text( mw.msg( tabMessages[action + 'source'] ) );
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}
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// Process appendix messages
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if ( tabMessages[action + 'appendix'] !== null ) {
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$caVeEditLink.append(
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$( '<span>' )
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.addClass( 've-tabmessage-appendix' )
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.text( mw.msg( tabMessages[action + 'appendix'] ) )
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);
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}
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if ( tabMessages[action + 'sourceappendix'] !== null ) {
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$caEditLink.append(
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$( '<span>' )
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.addClass( 've-tabmessage-appendix' )
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.text( mw.msg( tabMessages[action + 'sourceappendix'] ) )
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);
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}
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if ( isViewPage ) {
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// Allow instant switching to edit mode, without refresh
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$caVeEdit.click( init.onEditTabClick );
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}
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},
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setupSectionLinks: function () {
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var $editsections = $( '#mw-content-text .mw-editsection' );
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// match direction to the user interface
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$editsections.css( 'direction', $( 'body' ).css( 'direction' ) );
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// The "visibility" css construct ensures we always occupy the same space in the layout.
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// This prevents the heading from changing its wrap when the user toggles editSourceLink.
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if ( $editsections.find( '.mw-editsection-visualeditor' ).length === 0 ) {
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// If PHP didn't build the section edit links (because of caching), build them
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$editsections.each( function () {
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var $editsection = $( this ),
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$editSourceLink = $editsection.find( 'a' ).eq( 0 ),
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$editLink = $editSourceLink.clone(),
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$divider = $( '<span>' ),
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dividerText = mw.msg( 'pipe-separator' );
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if ( tabMessages.editsectionsource !== null ) {
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$editSourceLink.text( mw.msg( tabMessages.editsectionsource ) );
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}
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if ( tabMessages.editsection !== null ) {
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$editLink.text( mw.msg( tabMessages.editsection ) );
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}
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$divider
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.addClass( 'mw-editsection-divider' )
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.text( dividerText );
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$editLink
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.attr( 'href', function ( i, val ) {
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return new mw.Uri( veEditUri ).extend( {
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'vesection': new mw.Uri( val ).query.section
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} );
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} )
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.addClass( 'mw-editsection-visualeditor' );
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if ( conf.tabPosition === 'before' ) {
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$editSourceLink.before( $editLink, $divider );
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} else {
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$editSourceLink.after( $divider, $editLink );
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}
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} );
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}
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// Process appendix messages
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if ( tabMessages.editsectionappendix ) {
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$editsections.find( '.mw-editsection-visualeditor' )
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.append(
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$( '<span>' )
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.addClass( 've-tabmessage-appendix' )
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.text( mw.msg( tabMessages.editsectionappendix ) )
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);
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}
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if ( tabMessages.editsectionsourceappendix ) {
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$editsections.find( 'a:not(.mw-editsection-visualeditor)' )
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.append(
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$( '<span>' )
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.addClass( 've-tabmessage-appendix' )
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.text( mw.msg( tabMessages.editsectionsourceappendix ) )
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);
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}
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if ( isViewPage ) {
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// Only init without refresh if we're on a view page. Though section edit links
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// are rarely shown on non-view pages, they appear in one other case, namely
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// when on a diff against the latest version of a page. In that case we mustn't
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// init without refresh as that'd initialise for the wrong rev id (bug 50925)
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// and would preserve the wrong DOM with a diff on top.
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$editsections
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.addClass( 'mw-editsection-expanded' )
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.find( '.mw-editsection-visualeditor' )
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.click( init.onEditSectionLinkClick )
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;
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}
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},
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onEditTabClick: function ( e ) {
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// Default mouse button is normalised by jQuery to key code 1.
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// Only do our handling if no keys are pressed, mouse button is 1
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// (e.g. not middle click or right click) and no modifier keys
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// (e.g. cmd-click to open in new tab).
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if ( ( e.which && e.which !== 1 ) || e.shiftKey || e.altKey || e.ctrlKey || e.metaKey ) {
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return;
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}
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e.preventDefault();
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getTarget().done( function ( target ) {
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ve.track( 'Edit', { action: 'edit-link-click' } );
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target.activate();
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} );
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},
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onEditSectionLinkClick: function ( e ) {
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if ( ( e.which && e.which !== 1 ) || e.shiftKey || e.altKey || e.ctrlKey || e.metaKey ) {
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return;
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}
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e.preventDefault();
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getTarget().done( function ( target ) {
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ve.track( 'Edit', { action: 'section-edit-link-click' } );
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target.saveEditSection( $( e.target ).closest( 'h1, h2, h3, h4, h5, h6' ).get( 0 ) );
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target.activate();
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} );
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}
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};
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support.visualEditor = support.es5 &&
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support.contentEditable &&
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( ( 'vewhitelist' in uri.query ) || !$.client.test( init.blacklist, null, true ) );
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userPrefEnabled = (
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// Allow disabling for anonymous users separately from changing the
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// default preference (bug 50000)
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!( conf.disableForAnons && mw.config.get( 'wgUserName' ) === null ) &&
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// User has 'visualeditor-enable' preference enabled (for alpha opt-in)
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// User has 'visualeditor-betatempdisable' preference disabled
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// Because user.options is embedded in the HTML and cached per-page for anons on wikis
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// with static caching (e.g. wgUseFileCache or reverse-proxy) ignore user.options for
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// anons as it is likely outdated.
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(
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mw.config.get( 'wgUserName' ) === null ?
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( conf.defaultUserOptions.enable && !conf.defaultUserOptions.betatempdisable ) :
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(
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mw.user.options.get( 'visualeditor-enable', conf.defaultUserOptions.enable ) &&
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!mw.user.options.get(
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'visualeditor-betatempdisable',
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conf.defaultUserOptions.betatempdisable
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)
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)
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)
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);
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// Whether VisualEditor should be available for the current user, page, wiki, mediawiki skin,
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// browser etc.
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init.isAvailable = (
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support.visualEditor &&
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userPrefEnabled &&
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// Disable on redirect pages until redirects are editable (bug 47328)
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// Property wgIsRedirect is relatively new in core, many cached pages
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// don't have it yet. We do a best-effort approach using the url query
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// which will cover all working redirect (the only case where one can
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// read a redirect page without ?redirect=no is in case of broken or
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// double redirects).
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!mw.config.get( 'wgIsRedirect', !!uri.query.redirect ) &&
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// Only in supported skins
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$.inArray( mw.config.get( 'skin' ), conf.skins ) !== -1 &&
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// Only in enabled namespaces
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$.inArray(
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new mw.Title( mw.config.get( 'wgRelevantPageName' ) ).getNamespaceId(),
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conf.namespaces
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) !== -1 &&
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// Only for pages with a wikitext content model
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mw.config.get( 'wgPageContentModel' ) === 'wikitext'
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);
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// Note: Though VisualEditor itself only needs this exposure for a very small reason
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// (namely to access init.blacklist from the unit tests...) this has become one of the nicest
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// ways to easily detect whether the VisualEditor initialisation code is present.
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//
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// The VE global was once available always, but now that platform integration initialisation
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// is properly separated, it doesn't exist until the platform loads VisualEditor core.
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//
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// Most of mw.libs.ve is considered subject to change and private. The exception is that
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// mw.libs.ve.isAvailable is public, and indicates whether the VE editor itself can be loaded
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// on this page. See above for why it may be false.
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mw.libs.ve = init;
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if ( init.isAvailable ) {
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$( 'html' ).addClass( 've-available' );
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} else {
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$( 'html' ).addClass( 've-not-available' );
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// Don't return here because we do want the skin setup to consistently happen
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// for e.g. "Edit" > "Edit source" even when VE is not available.
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}
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if ( !userPrefEnabled ) {
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// However if ve is not available because of user preferences (as opposed
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// to because of the page, namespace, browser etc.) then we do want to
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// return early as in that case even transformation of edit source should
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// not be done.
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return;
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}
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$( function () {
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if ( init.isAvailable && isViewPage ) {
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if ( uri.query.veaction === 'edit' ) {
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getTarget().done( function ( target ) {
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target.activate();
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} );
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}
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}
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init.setupSkin();
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} );
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}() );
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