mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-15 18:39:52 +00:00
672 lines
22 KiB
JavaScript
672 lines
22 KiB
JavaScript
/*!
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* VisualEditor MediaWiki DesktopArticleTarget 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.DesktopArticleTarget.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, pageCanLoadVE, init,
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support, targetPromise, enable, tempdisable, autodisable, userPrefEnabled,
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initialWikitext,
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active = false,
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progressStep = 0,
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progressSteps = [
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[ 30, 3000 ],
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[ 70, 2000 ],
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[ 100, 1000 ]
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],
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plugins = [];
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function showLoading() {
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var $content, contentRect, offsetTop, windowHeight, top, bottom, middle;
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if ( !init.$loading ) {
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init.$loading = $(
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'<div class="ve-init-mw-desktopArticleTarget-loading-overlay">' +
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'<div class="ve-init-mw-desktopArticleTarget-progress">' +
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// Stylesheets might not have processed yet, so manually set starting width to 0
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'<div class="ve-init-mw-desktopArticleTarget-progress-bar" style="width: 0;"></div>' +
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'</div>' +
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'</div>'
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);
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}
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$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 incrementLoadingProgress() {
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var step = progressSteps[ progressStep ];
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setLoadingProgress( step[ 0 ], step[ 1 ] );
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progressStep++;
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}
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function resetLoadingProgress() {
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progressStep = 0;
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setLoadingProgress( 0, 0 );
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}
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function setLoadingProgress( target, duration ) {
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var $bar = init.$loading.find( '.ve-init-mw-desktopArticleTarget-progress-bar' ).stop();
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$bar.css( 'transition', 'width ' + duration + 'ms ease-in' );
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setTimeout( function () {
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$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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*
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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 $.Deferred().resolve();
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}
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);
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} );
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// Add modules specific to desktop (modules shared between desktop
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// and mobile are already added by TargetLoader)
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// Note: it's safe to use .forEach() (ES5) here, because this code will
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// never be called if the browser doesn't support ES5
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[
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'ext.visualEditor.desktopArticleTarget',
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'ext.visualEditor.mwimage',
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'ext.visualEditor.mwmeta'
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].forEach( mw.libs.ve.targetLoader.addPlugin );
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// Add requested plugins
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plugins.forEach( mw.libs.ve.targetLoader.addPlugin );
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plugins = [];
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return mw.libs.ve.targetLoader.loadModules();
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} )
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.then( function () {
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var target;
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// Transfer methods
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ve.init.mw.DesktopArticleTarget.prototype.setupSectionEditLinks = init.setupSectionLinks;
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target = new ve.init.mw.DesktopArticleTarget();
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$( '#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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targetPromise.then( function () {
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// Enqueue the loading of deferred modules (that is, modules which provide
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// functionality that is not needed for loading the editor).
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setTimeout( function () {
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mw.loader.load( 'easy-deflate.deflate' );
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}, 500 );
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} );
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return targetPromise;
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}
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function activatePageTarget() {
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trackActivateStart( { type: 'page', mechanism: 'click' } );
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if ( !active ) {
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if ( history.pushState ) {
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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 DesktopArticleTarget 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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}
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// Update mw.Uri instance
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uri = veEditUri;
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activateTarget();
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}
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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 || $( 'input[name=parentRevId]' ).val(),
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'mwTarget' // ve.init.mw.DesktopArticleTarget.static.name
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);
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} )
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.done( function () {
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incrementLoadingProgress();
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} );
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$( 'html' ).addClass( 've-activated ve-loading' );
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showLoading();
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incrementLoadingProgress();
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active = true;
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targetPromise = targetPromise || getTarget();
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targetPromise
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.then( function ( target ) {
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incrementLoadingProgress();
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target.on( 'deactivate', function () {
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active = false;
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} );
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target.on( 'loadError', function () {
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resetLoadingProgress();
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} );
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return target.activate( dataPromise );
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} )
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.then( function () {
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resetLoadingProgress();
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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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pageCanLoadVE = (
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( mw.config.get( 'wgIsArticle' ) && !( 'diff' in uri.query ) ) ||
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mw.config.get( 'wgAction' ) === 'edit' ||
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mw.config.get( 'wgAction' ) === 'submit'
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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 = ( pageCanLoadVE ? 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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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 = $( 'body' ).hasClass( 'rtl' ) && pTabsId === 'p-views',
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/*jshint bitwise:false */
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caVeEditNextnode =
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( reverseTabOrder ^ conf.tabPosition === 'before' ) ?
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/*jshint bitwise:true */
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$caEdit.get( 0 ) :
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$caEdit.next().get( 0 );
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// HACK: Remove this when the Education Program offers a proper way to detect and disable.
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if (
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// HACK: Work around jscs.requireCamelCaseOrUpperCaseIdentifiers
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mw.config.get( 'wgNamespaceIds' )[ true && 'education_program' ] === mw.config.get( 'wgNamespaceNumber' )
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) {
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return;
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}
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if ( !$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 (!pageCanLoadVE) 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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$caEditLink.text( mw.msg( tabMessages[ action + 'source' ] ) );
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}
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}
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if ( init.isAvailable ) {
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if ( conf.tabPosition === 'before' ) {
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$caEdit.addClass( 'collapsible' );
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} else {
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$caVeEdit.addClass( 'collapsible' );
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}
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}
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// Process appendix messages
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if ( tabMessages[ action + 'appendix' ] !== null ) {
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$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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$( '<span>' )
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.addClass( 've-tabmessage-appendix' )
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.text( mw.msg( tabMessages[ action + 'sourceappendix' ] ) )
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);
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}
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if ( pageCanLoadVE ) {
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// Allow instant switching to edit mode, without refresh
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mw.loader.load( 'ext.visualEditor.switching' );
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$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 ( pageCanLoadVE ) {
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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)
|
|
// and would preserve the wrong DOM with a diff on top.
|
|
$editsections
|
|
.find( '.mw-editsection-visualeditor' )
|
|
.click( init.onEditSectionLinkClick )
|
|
;
|
|
}
|
|
},
|
|
|
|
onEditTabClick: function ( e ) {
|
|
var wikitextModified = $( '#wpTextbox1' ).val() !== initialWikitext;
|
|
|
|
// Default mouse button is normalised by jQuery to key code 1.
|
|
// Only do our handling if no keys are pressed, mouse button is 1
|
|
// (e.g. not middle click or right click) and no modifier keys
|
|
// (e.g. cmd-click to open in new tab).
|
|
if ( ( e.which && e.which !== 1 ) || e.shiftKey || e.altKey || e.ctrlKey || e.metaKey ) {
|
|
return;
|
|
}
|
|
|
|
if (
|
|
mw.config.get( 'wgAction' ) === 'submit' ||
|
|
( mw.config.get( 'wgAction' ) === 'edit' && wikitextModified )
|
|
) {
|
|
mw.loader.using( 'ext.visualEditor.switching' )
|
|
.done( function () {
|
|
var windowManager = new OO.ui.WindowManager(),
|
|
switchWindow = new mw.libs.ve.SwitchConfirmDialog();
|
|
// Prompt if either we're on action=submit (the user has previewed) or
|
|
// the wikitext hash is different to the value observed upon page load.
|
|
|
|
$( 'body' ).append( windowManager.$element );
|
|
windowManager.addWindows( [ switchWindow ] );
|
|
windowManager.openWindow( switchWindow ).done( function ( opened ) {
|
|
opened.done( function ( closing ) {
|
|
closing.done( function ( data ) {
|
|
if ( data && data.action === 'keep' ) {
|
|
activatePageTarget();
|
|
} else if ( data && data.action === 'discard' ) {
|
|
location.href = veEditUri;
|
|
}
|
|
} );
|
|
} );
|
|
} );
|
|
} );
|
|
} else {
|
|
activatePageTarget();
|
|
}
|
|
|
|
e.preventDefault();
|
|
},
|
|
|
|
onEditSectionLinkClick: function ( e ) {
|
|
var targetPromise;
|
|
if ( ( e.which && e.which !== 1 ) || e.shiftKey || e.altKey || e.ctrlKey || e.metaKey ) {
|
|
return;
|
|
}
|
|
|
|
trackActivateStart( { type: 'section', mechanism: 'click' } );
|
|
|
|
if ( history.pushState && uri.query.veaction !== 'edit' ) {
|
|
// 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 DesktopArticleTarget 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' ) );
|
|
autodisable = Number( mw.user.options.get( 'visualeditor-autodisable' ) );
|
|
|
|
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
|
|
// User has 'visualeditor-autodisable' preference disabled
|
|
enable && !tempdisable && !autodisable
|
|
);
|
|
|
|
// 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'
|
|
);
|
|
|
|
// 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 = $.extend( 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 ( currentUri.query.action === 'edit' && $( '#wpTextbox1' ).length ) {
|
|
initialWikitext = $( '#wpTextbox1' ).val();
|
|
}
|
|
|
|
if ( init.isAvailable ) {
|
|
if ( pageCanLoadVE && uri.query.veaction === 'edit' ) {
|
|
isSection = uri.query.vesection !== undefined;
|
|
|
|
trackActivateStart( { type: isSection ? 'section' : 'page', mechanism: 'url' } );
|
|
activateTarget();
|
|
}
|
|
}
|
|
|
|
if ( userPrefEnabled ) {
|
|
init.setupSkin();
|
|
}
|
|
|
|
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;
|
|
}
|
|
} );
|
|
}() );
|