mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-09-27 04:06:51 +00:00
86b82b537d
The activation timing was always a bit of a lie even pre-TargetLoader, because the timer only started when the first RL request for VE modules had loaded. But at least the process it covered was consistent, which is no longer true with TargetLoader. Now that we start the request for the HTML together with the RL request, the activation time might include some, all or none of the HTML request depending on how fast the RL request was. This change makes the activation timings more useful by measuring from the moment the user clicks "edit" to the moment the editor is done loading, which is what actually matters. * Moved start of activation timing to VPT init ** For mobile this falls back to when mw.Target#load is called; we'll have to fix that in MobileFrontend later * Moved end of activation timing out of TargetEvents#onSurfaceReady into individual onSurfaceReady handlers ** This is necessary because VPT's onSurfaceReady does quite a lot, and we want to include the time that takes in our measurements Change-Id: Ie44f0b839b39a2b3b22dcd86e20f0d1170cb6069
599 lines
20 KiB
JavaScript
599 lines
20 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 2011-2015 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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/**
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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 mw.libs.ve
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* @alternateClassName 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, targetPromise, enable, tempdisable, userPrefEnabled,
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plugins = [];
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function showLoading() {
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if ( !init.$loading ) {
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init.$loading = $(
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'<div class="ve-init-mw-viewPageTarget-loading-overlay">' +
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'<div class="ve-init-mw-viewPageTarget-progress">' +
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'<div class="ve-init-mw-viewPageTarget-progress-bar"></div>' +
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'</div>' +
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'</div>'
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);
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}
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var $content = $( '#content' ),
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contentRect = $content[0].getBoundingClientRect(),
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offsetTop = $content.offset().top,
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windowHeight = $( window ).height(),
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top = Math.max( contentRect.top, 0 ),
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bottom = Math.min( contentRect.bottom, windowHeight ),
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middle = ( top + bottom ) / 2;
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init.$loading.css( 'top', middle - offsetTop );
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$content.prepend( init.$loading );
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}
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function setLoadingProgress( target, duration ) {
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var $bar = init.$loading.find( '.ve-init-mw-viewPageTarget-progress-bar' ).stop();
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if ( duration ) {
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$bar.animate( { width: target + '%' }, duration );
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} else {
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$bar.css( 'width', target + '%' );
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}
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}
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function hideLoading() {
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if ( init.$loading ) {
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init.$loading.detach();
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}
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}
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/**
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* Use deferreds to avoid loading and instantiating Target multiple times.
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* @private
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* @return {jQuery.Promise}
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*/
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function getTarget() {
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if ( !targetPromise ) {
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// The TargetLoader module is loaded in the bottom queue, so it should have been
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// requested already but it might not have finished loading yet
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targetPromise = mw.loader.using( 'ext.visualEditor.targetLoader' )
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.then( function () {
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mw.libs.ve.targetLoader.addPlugin( function () {
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// If the user and site modules fail, we still want to continue
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// loading, so convert failure to success
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return mw.loader.using( [ 'user', 'site' ] ).then(
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null,
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function () {
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return $.Deferred().resolve();
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}
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);
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} );
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// Add modules specific to desktop (modules shared between desktop
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// and mobile are already added by TargetLoader)
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// Note: it's safe to use .forEach() (ES5) here, because this code will
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// never be called if the browser doesn't support ES5
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[
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'ext.visualEditor.viewPageTarget',
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'ext.visualEditor.mwformatting',
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'ext.visualEditor.mwgallery',
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'ext.visualEditor.mwimage',
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'ext.visualEditor.mwmeta'
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].forEach( mw.libs.ve.targetLoader.addPlugin );
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// Add requested plugins
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plugins.forEach( mw.libs.ve.targetLoader.addPlugin );
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plugins = [];
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return mw.libs.ve.targetLoader.loadModules();
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} )
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.then( function () {
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// Transfer methods
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ve.init.mw.ViewPageTarget.prototype.setupSectionEditLinks = init.setupSectionLinks;
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var target = new ve.init.mw.ViewPageTarget();
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$( '#content' ).append( target.$element );
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return target;
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}, function ( e ) {
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mw.log.warn( 'VisualEditor failed to load: ' + e );
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} );
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}
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return targetPromise;
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}
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/**
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* Load and activate the target.
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*
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* If you need to call methods on the target before activate is called, call getTarget()
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* yourself, chain your work onto that promise, and pass that chained promise in as targetPromise.
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* E.g. `activateTarget( getTarget().then( function( target ) { target.doAThing(); } ) );`
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*
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* @private
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* @param {jQuery.Promise} [targetPromise] Promise that will be resolved with a ve.init.mw.Target
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*/
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function activateTarget( targetPromise ) {
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// The TargetLoader module is loaded in the bottom queue, so it should have been
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// requested already but it might not have finished loading yet
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var dataPromise = mw.loader.using( 'ext.visualEditor.targetLoader' )
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.then( function () {
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return mw.libs.ve.targetLoader.requestPageData(
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mw.config.get( 'wgRelevantPageName' ),
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uri.query.oldid,
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'mwTarget' // ve.init.mw.ViewPageTarget.static.name
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);
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} );
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$( 'html' ).addClass( 've-activated ve-loading' );
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showLoading();
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setLoadingProgress( 70, 3000 );
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targetPromise = targetPromise || getTarget();
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targetPromise
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.then( function ( target ) {
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setLoadingProgress( 100, 1000 );
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return target.activate( dataPromise );
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} )
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.then( function () {
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setLoadingProgress( 0 );
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ve.track( 'mwedit.ready' );
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} )
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.always( hideLoading );
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}
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function trackActivateStart( initData ) {
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ve.track( 'trace.activate.enter' );
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ve.track( 'mwedit.init', initData );
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mw.libs.ve.activationStart = ve.now();
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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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pageExists = !!mw.config.get( 'wgRelevantArticleId' );
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viewUri = new mw.Uri( mw.util.getUrl( mw.config.get( 'wgRelevantPageName' ) ) );
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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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// On a view page, extend the current URI so parameters like oldid are carried over
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// On a non-view page, use viewUri
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veEditUri = ( isViewPage ? uri : viewUri ).clone().extend( { veaction: 'edit' } );
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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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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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Function.prototype.bind
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),
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contentEditable: 'contentEditable' in document.createElement( 'div' ),
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svg: !!(
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document.createElementNS &&
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document.createElementNS( 'http://www.w3.org/2000/svg', 'svg' ).createSVGRect
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)
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};
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init = {
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support: support,
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blacklist: conf.blacklist,
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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 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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* // Register ResourceLoader module
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* mw.libs.ve.addPlugin( 'ext.gadget.foobar' );
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*
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* // Register a callback
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* mw.libs.ve.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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* mw.libs.ve.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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// HACK: Remove this when the Education Program offers a proper way to detect and disable.
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if (
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// HACK: Work around jscs.requireCamelCaseOrUpperCaseIdentifiers
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mw.config.get( 'wgNamespaceIds' )[ true && 'education_program' ] === mw.config.get( 'wgNamespaceNumber' )
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) {
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return;
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}
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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 if ( $caEdit.length && $caVeEdit.length ) {
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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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// If the edit tab is hidden, remove it.
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if ( !( init.isAvailable && userPrefEnabled ) ) {
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$caVeEdit.remove();
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}
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// Alter the edit tab (#ca-edit)
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if ( $( '#ca-view-foreign' ).length ) {
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if ( tabMessages[action + 'localdescriptionsource'] !== null ) {
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$caEditLink.text( mw.msg( tabMessages[action + 'localdescriptionsource'] ) );
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}
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} else {
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if ( tabMessages[action + 'source'] !== null ) {
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$caEditLink.text( mw.msg( tabMessages[action + 'source'] ) );
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}
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}
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if ( conf.tabPosition === 'before' ) {
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$caEdit.addClass( 'collapsible' );
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} else {
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$caVeEdit.addClass( 'collapsible' );
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}
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// Process appendix messages
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if ( tabMessages[action + 'appendix'] !== null ) {
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$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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bodyDir = $( 'body' ).css( 'direction' );
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// Match direction of the user interface
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// TODO: Why is this needed? It seems to work fine without.
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if ( $editsections.css( 'direction' ) !== bodyDir ) {
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// Avoid creating inline style attributes if the inherited value is already correct
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$editsections.css( 'direction', bodyDir );
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}
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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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// Don't mess with section edit links on foreign file description pages
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// (bug 54259)
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if ( !$( '#ca-view-foreign' ).length ) {
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$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, $editLink );
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}
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}
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} );
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}
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// Process appendix messages
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if ( tabMessages.editsectionappendix ) {
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$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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.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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trackActivateStart( { type: 'page', mechanism: 'click' } );
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if ( history.pushState && uri.query.veaction !== 'edit' ) {
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// Replace the current state with one that is tagged as ours, to prevent the
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// back button from breaking when used to exit VE. FIXME: there should be a better
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// way to do this. See also similar code in the ViewPageTarget constructor.
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history.replaceState( { tag: 'visualeditor' }, document.title, uri );
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// Set veaction to edit
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history.pushState( { tag: 'visualeditor' }, document.title, veEditUri );
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// Update mw.Uri instance
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uri = veEditUri;
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}
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e.preventDefault();
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activateTarget();
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},
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onEditSectionLinkClick: function ( e ) {
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var targetPromise;
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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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trackActivateStart( { type: 'section', mechanism: 'click' } );
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if ( history.pushState && uri.query.veaction !== 'edit' ) {
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// Replace the current state with one that is tagged as ours, to prevent the
|
|
// back button from breaking when used to exit VE. FIXME: there should be a better
|
|
// way to do this. See also similar code in the ViewPageTarget constructor.
|
|
history.replaceState( { tag: 'visualeditor' }, document.title, uri );
|
|
// Change the state to the href of the section link that was clicked. This saves
|
|
// us from having to figure out the section number again.
|
|
history.pushState( { tag: 'visualeditor' }, document.title, this.href );
|
|
}
|
|
|
|
e.preventDefault();
|
|
|
|
targetPromise = getTarget().then( function ( target ) {
|
|
target.saveEditSection( $( e.target ).closest( 'h1, h2, h3, h4, h5, h6' ).get( 0 ) );
|
|
return target;
|
|
} );
|
|
activateTarget( targetPromise );
|
|
}
|
|
};
|
|
|
|
support.visualEditor = support.es5 &&
|
|
support.contentEditable &&
|
|
support.svg &&
|
|
( ( 'vewhitelist' in uri.query ) || !$.client.test( init.blacklist, null, true ) );
|
|
|
|
// Cast "0" (T89513)
|
|
enable = Number( mw.user.options.get( 'visualeditor-enable' ) );
|
|
tempdisable = Number( mw.user.options.get( 'visualeditor-betatempdisable' ) );
|
|
|
|
userPrefEnabled = (
|
|
// Allow disabling for anonymous users separately from changing the
|
|
// default preference (bug 50000)
|
|
!( conf.disableForAnons && mw.config.get( 'wgUserName' ) === null ) &&
|
|
|
|
// User has 'visualeditor-enable' preference enabled (for alpha opt-in)
|
|
// User has 'visualeditor-betatempdisable' preference disabled
|
|
enable && !tempdisable
|
|
);
|
|
|
|
// Whether VisualEditor should be available for the current user, page, wiki, mediawiki skin,
|
|
// browser etc.
|
|
init.isAvailable = (
|
|
support.visualEditor &&
|
|
|
|
// Only in supported skins
|
|
$.inArray( mw.config.get( 'skin' ), conf.skins ) !== -1 &&
|
|
|
|
// Only in enabled namespaces
|
|
$.inArray(
|
|
new mw.Title( mw.config.get( 'wgRelevantPageName' ) ).getNamespaceId(),
|
|
conf.namespaces
|
|
) !== -1 &&
|
|
|
|
// Not on pages which are outputs of the Page Translation feature
|
|
mw.config.get( 'wgTranslatePageTranslation' ) !== 'translation' &&
|
|
|
|
// Only for pages with a wikitext content model
|
|
mw.config.get( 'wgPageContentModel' ) === 'wikitext'
|
|
);
|
|
|
|
// Pre-fetch RESTBase DNS and negotiate TLS.
|
|
function restbasePreConnect() {
|
|
var url, a = document.createElement( 'a' );
|
|
|
|
a.href = conf.restbaseUrl;
|
|
url = '//' + a.hostname + '/_preconnect';
|
|
if ( navigator.sendBeacon ) {
|
|
navigator.sendBeacon( url );
|
|
} else {
|
|
new Image().src = url;
|
|
}
|
|
}
|
|
|
|
// Note: Though VisualEditor itself only needs this exposure for a very small reason
|
|
// (namely to access init.blacklist from the unit tests...) this has become one of the nicest
|
|
// ways to easily detect whether the VisualEditor initialisation code is present.
|
|
//
|
|
// The VE global was once available always, but now that platform integration initialisation
|
|
// is properly separated, it doesn't exist until the platform loads VisualEditor core.
|
|
//
|
|
// Most of mw.libs.ve is considered subject to change and private. The exception is that
|
|
// mw.libs.ve.isAvailable is public, and indicates whether the VE editor itself can be loaded
|
|
// on this page. See above for why it may be false.
|
|
mw.libs.ve = init;
|
|
|
|
if ( init.isAvailable && userPrefEnabled ) {
|
|
$( 'html' ).addClass( 've-available' );
|
|
} else {
|
|
$( 'html' ).addClass( 've-not-available' );
|
|
// Don't return here because we do want the skin setup to consistently happen
|
|
// for e.g. "Edit" > "Edit source" even when VE is not available.
|
|
}
|
|
|
|
$( function () {
|
|
var currentUri = new mw.Uri( location.href ),
|
|
isSection;
|
|
|
|
if ( init.isAvailable ) {
|
|
if ( isViewPage && uri.query.veaction === 'edit' ) {
|
|
isSection = uri.query.vesection !== undefined;
|
|
|
|
trackActivateStart( { type: isSection ? 'section' : 'page', mechanism: 'url' } );
|
|
activateTarget();
|
|
}
|
|
}
|
|
|
|
if ( userPrefEnabled ) {
|
|
init.setupSkin();
|
|
if ( conf.restbaseUrl ) {
|
|
$( window ).load( function () {
|
|
setTimeout( restbasePreConnect );
|
|
} );
|
|
}
|
|
}
|
|
|
|
if ( currentUri.query.venotify ) {
|
|
// The following messages can be used here:
|
|
// postedit-confirmation-saved
|
|
// postedit-confirmation-created
|
|
// postedit-confirmation-restored
|
|
mw.hook( 'postEdit' ).fire( {
|
|
message: mw.msg( 'postedit-confirmation-' + currentUri.query.venotify, mw.user )
|
|
} );
|
|
|
|
delete currentUri.query.venotify;
|
|
}
|
|
} );
|
|
}() );
|