mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-17 19:31:51 +00:00
519 lines
18 KiB
JavaScript
519 lines
18 KiB
JavaScript
/*!
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* VisualEditor MediaWiki ArticleTargetLoader.
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*
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* @copyright 2011-2020 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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// TODO: ve.now and ve.track should be moved to mw.libs.ve
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/* global ve */
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/**
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* Target loader.
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*
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* Light-weight loader that loads ResourceLoader modules for VisualEditor
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* and HTML and page data from the API. Also handles plugin registration.
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*
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* @class mw.libs.ve.targetLoader
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* @singleton
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*/
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( function () {
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var prefName, prefValue,
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uri,
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namespaces = mw.config.get( 'wgNamespaceIds' ),
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conf = mw.config.get( 'wgVisualEditorConfig' ),
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pluginCallbacks = [],
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modules = [ 'ext.visualEditor.articleTarget' ]
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// Add modules from $wgVisualEditorPluginModules
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.concat( conf.pluginModules.filter( mw.loader.getState ) );
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try {
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uri = new mw.Uri();
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} catch ( e ) {
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// URI may not be parseable (T106244)
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uri = false;
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}
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// Provide the new wikitext editor
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if (
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uri &&
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conf.enableWikitext &&
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(
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mw.user.options.get( 'visualeditor-newwikitext' ) ||
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uri.query.veaction === 'editsource'
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) &&
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mw.loader.getState( 'ext.visualEditor.mwwikitext' )
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) {
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modules.push( 'ext.visualEditor.mwwikitext' );
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}
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// Load signature tool if *any* namespace supports it.
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// It will be shown disabled on namespaces that don't support it.
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if (
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Object.keys( namespaces ).some( function ( name ) {
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return mw.Title.wantSignaturesNamespace( namespaces[ name ] );
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} )
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) {
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modules.push( 'ext.visualEditor.mwsignature' );
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}
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// Add preference modules
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for ( prefName in conf.preferenceModules ) {
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prefValue = mw.user.options.get( prefName );
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// Check "0" (T89513)
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if ( prefValue && prefValue !== '0' ) {
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modules.push( conf.preferenceModules[ prefName ] );
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}
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}
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mw.libs.ve = mw.libs.ve || {};
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mw.libs.ve.targetLoader = {
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/**
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* Add a plugin module or callback.
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*
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* If a module name is passed, that module will be loaded alongside the other modules.
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*
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* If a callback is passed, it will be executed after the modules have loaded. The callback
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* may optionally return a jQuery.Promise; if it does, loading won't be complete until
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* that promise is resolved.
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*
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* @param {string|Function} plugin Plugin module name or callback
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*/
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addPlugin: function ( plugin ) {
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if ( typeof plugin === 'string' ) {
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modules.push( plugin );
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} else {
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pluginCallbacks.push( plugin );
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}
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},
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/**
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* Load modules needed for VisualEditor, as well as plugins.
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*
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* This loads the base VE modules as well as any registered plugin modules.
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* Once those are loaded, any registered plugin callbacks are executed,
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* and we wait for all promises returned by those callbacks to resolve.
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*
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* @param {string} mode Initial editor mode, for tracking
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* @return {jQuery.Promise} Promise resolved when the loading process is complete
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*/
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loadModules: function ( mode ) {
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mw.hook( 've.loadModules' ).fire( this.addPlugin.bind( this ) );
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ve.track( 'trace.moduleLoad.enter', { mode: mode } );
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return mw.loader.using( modules )
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.then( function () {
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ve.track( 'trace.moduleLoad.exit', { mode: mode } );
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pluginCallbacks.push( ve.init.platform.getInitializedPromise.bind( ve.init.platform ) );
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// Execute plugin callbacks and collect promises
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return $.when.apply( $, pluginCallbacks.map( function ( callback ) {
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return callback();
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} ) );
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} );
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},
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/**
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* Creates an OOUI checkbox inside an inline field layout
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*
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* @param {Object[]} checkboxesDef Checkbox definitions from the API
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* @return {Object} Result object with checkboxFields (OO.ui.FieldLayout[]) and
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* checkboxesByName (keyed object of OO.ui.CheckboxInputWidget).
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*/
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createCheckboxFields: function ( checkboxesDef ) {
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var checkboxFields = [],
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checkboxesByName = {};
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if ( checkboxesDef ) {
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Object.keys( checkboxesDef ).forEach( function ( name ) {
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var $label, checkbox,
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options = checkboxesDef[ name ],
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accesskey = null,
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title = null;
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// Non-checkbox fields are permitted in the 'checkboxes' definitions (since MW
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// core 4fa7d4d7), but VE doesn't yet support them.
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// @TODO Remove this and properly support watchlist expiry and other widgets.
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if ( options.class !== undefined && options.class !== 'OOUI\\CheckboxInputWidget' ) {
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return;
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}
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// The messages documented below are just the ones defined in core.
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// Extensions may add other checkboxes.
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if ( options.tooltip ) {
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// The following messages are used here:
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// * accesskey-minoredit
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// * accesskey-watch
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accesskey = mw.message( 'accesskey-' + options.tooltip ).text();
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// The following messages are used here:
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// * tooltip-minoredit
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// * tooltip-watch
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title = mw.message( 'tooltip-' + options.tooltip ).text();
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}
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if ( options[ 'title-message' ] ) {
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// Not used in core
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// eslint-disable-next-line mediawiki/msg-doc
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title = mw.message( options[ 'title-message' ] ).text();
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}
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// The following messages are used here:
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// * minoredit
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// * watchthis
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$label = $( '<span>' ).append( mw.message( options[ 'label-message' ] ).parseDom() );
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checkbox = new OO.ui.CheckboxInputWidget( {
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accessKey: accesskey,
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selected: options.default,
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// The following classes are used here:
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// * ve-ui-mwSaveDialog-checkbox-wpMinoredit
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// * ve-ui-mwSaveDialog-checkbox-wpWatchthis
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classes: [ 've-ui-mwSaveDialog-checkbox-' + name ]
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} );
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checkboxFields.push(
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new OO.ui.FieldLayout( checkbox, {
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align: 'inline',
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label: $label.contents(),
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title: title
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} )
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);
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checkboxesByName[ name ] = checkbox;
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} );
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}
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return {
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checkboxFields: checkboxFields,
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checkboxesByName: checkboxesByName
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};
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},
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/**
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* Request the page data and various metadata from the MediaWiki API (which will use
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* Parsoid or RESTBase).
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*
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* @param {string} mode Target mode: 'visual' or 'source'
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* @param {string} pageName Page name to request, in prefixed DB key form (underscores instead of spaces)
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* @param {Object} [options] Options
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* @param {boolean} [options.sessionStore] Store result in session storage (by page+mode+section) for auto-save
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* @param {null|string} [options.section] Section to edit; number, 'T-'-prefixed, null or 'new' (currently just source mode)
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* @param {number} [options.oldId] Old revision ID. Current if omitted.
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* @param {string} [options.targetName] Optional target name for tracking
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* @param {boolean} [options.modified] The page was been modified before loading (e.g. in source mode)
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* @param {string} [options.wikitext] Wikitext to convert to HTML. The original document is fetched if undefined.
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* @param {string} [options.editintro] Name of a page to use as edit intro message
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* @param {string} [options.preload] Name of a page to use as preloaded content if pageName is empty
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* @param {Array} [options.preloadparams] Parameters to substitute into preload if it's used
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* @return {jQuery.Promise} Abortable promise resolved with a JSON object
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*/
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requestPageData: function ( mode, pageName, options ) {
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var sessionState, request, section, dataPromise, apiRequest, enableVisualSectionEditing;
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options = options || {};
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apiRequest = mode === 'source' ?
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this.requestWikitext.bind( this, pageName, options ) :
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this.requestParsoidData.bind( this, pageName, options );
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if ( options.sessionStore ) {
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try {
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// ve.init.platform.getSessionObject is not available yet
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sessionState = JSON.parse( mw.storage.session.get( 've-docstate' ) );
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} catch ( e ) {}
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if ( sessionState ) {
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request = sessionState.request || {};
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// Check true section editing is in use
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enableVisualSectionEditing = conf.enableVisualSectionEditing;
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section = request.mode === 'source' || enableVisualSectionEditing === true || enableVisualSectionEditing === options.targetName ?
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options.section : null;
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// Check the requested page, mode and section match the stored one
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if (
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request.pageName === pageName &&
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request.mode === mode &&
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request.section === section
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// NB we don't cache by oldid so that cached results can be recovered
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// even if the page has been since edited
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) {
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dataPromise = $.Deferred().resolve( {
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visualeditor: $.extend(
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{ content: mw.storage.session.get( 've-dochtml' ) },
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sessionState.response,
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{ recovered: true }
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)
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} ).promise();
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// If the document hasn't been edited since the user first loaded it, recover
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// their changes automatically.
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if ( sessionState.response.oldid === mw.config.get( 'wgCurRevisionId' ) ) {
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return dataPromise;
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} else {
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// Otherwise, prompt them if they want to recover, or reload the document
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// to see the latest version
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// This prompt will throw off all of our timing data, so just disable tracking
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// for this session
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ve.track = function () {};
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return mw.loader.using( 'oojs-ui-windows' ).then( function () {
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return OO.ui.confirm( mw.msg( 'visualeditor-autosave-modified-prompt-message' ), {
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title: mw.msg( 'visualeditor-autosave-modified-prompt-title' ),
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actions: [
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{ action: 'accept', label: mw.msg( 'visualeditor-autosave-modified-prompt-accept' ), flags: [ 'primary', 'progressive' ] },
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{ action: 'reject', label: mw.msg( 'visualeditor-autosave-modified-prompt-reject' ), flags: 'destructive' }
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] }
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).then( function ( confirmed ) {
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if ( confirmed ) {
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return dataPromise;
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} else {
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// If they requested the latest version, invalidate the autosave state
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mw.storage.session.remove( 've-docstate' );
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return apiRequest();
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}
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} );
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} );
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}
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}
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}
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}
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return apiRequest();
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},
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/**
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* Request the page HTML and various metadata from the MediaWiki API (which will use
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* Parsoid or RESTBase).
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*
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* @param {string} pageName See #requestPageData
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* @param {Object} [options] See #requestPageData
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* @param {boolean} [noRestbase=false] Don't query RESTBase directly
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* @param {boolean} [noMetadata=false] Don't fetch document metadata when querying RESTBase. Metadata
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* is not required for some use cases, e.g. diffing.
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* @return {jQuery.Promise} Abortable promise resolved with a JSON object
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*/
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requestParsoidData: function ( pageName, options, noRestbase, noMetadata ) {
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var start, apiXhr, restbaseXhr, apiPromise, restbasePromise, dataPromise, pageHtmlUrl, headers, data, abort,
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section = options.section !== undefined ? options.section : null,
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useRestbase = !noRestbase && ( conf.fullRestbaseUrl || conf.restbaseUrl ) && section === null,
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switched = false,
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fromEditedState = false;
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options = options || {};
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data = {
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action: 'visualeditor',
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paction: useRestbase ? 'metadata' : 'parse',
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page: pageName,
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badetag: options.badetag,
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uselang: mw.config.get( 'wgUserLanguage' ),
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editintro: options.editintro,
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preload: options.preload,
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preloadparams: options.preloadparams,
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formatversion: 2
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};
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// Only request the API to explicitly load the currently visible revision if we're restoring
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// from oldid. Otherwise we should load the latest version. This prevents us from editing an
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// old version if an edit was made while the user was viewing the page and/or the user is
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// seeing (slightly) stale cache.
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if ( options.oldId !== undefined ) {
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data.oldid = options.oldId;
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}
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// Load DOM
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start = ve.now();
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ve.track( 'trace.apiLoad.enter', { mode: 'visual' } );
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if ( !useRestbase && options.wikitext !== undefined ) {
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// Non-RESTBase custom wikitext parse
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data.paction = 'parse';
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data.stash = true;
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switched = true;
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fromEditedState = options.modified;
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data.wikitext = options.wikitext;
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data.section = options.section;
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data.oldid = options.oldId;
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apiXhr = new mw.Api().post( data );
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} else {
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if ( useRestbase && noMetadata ) {
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apiPromise = $.Deferred().resolve( { visualeditor: {} } ).promise();
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} else {
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apiXhr = new mw.Api().get( data );
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}
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}
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if ( !apiPromise ) {
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apiPromise = apiXhr.then( function ( response, jqxhr ) {
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ve.track( 'trace.apiLoad.exit', { mode: 'visual' } );
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ve.track( 'mwtiming.performance.system.apiLoad', {
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bytes: require( 'mediawiki.String' ).byteLength( jqxhr.responseText ),
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duration: ve.now() - start,
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cacheHit: /hit/i.test( jqxhr.getResponseHeader( 'X-Cache' ) ),
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targetName: options.targetName,
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mode: 'visual'
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} );
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if ( response.visualeditor ) {
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response.visualeditor.switched = switched;
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response.visualeditor.fromEditedState = fromEditedState;
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}
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return response;
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} );
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}
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if ( useRestbase ) {
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ve.track( 'trace.restbaseLoad.enter', { mode: 'visual' } );
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headers = {
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// Should be synchronised with ApiVisualEditor.php
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Accept: 'text/html; charset=utf-8; profile="https://www.mediawiki.org/wiki/Specs/HTML/2.0.0"',
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'Accept-Language': mw.config.get( 'wgVisualEditor' ).pageLanguageCode,
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'Api-User-Agent': 'VisualEditor-MediaWiki/' + mw.config.get( 'wgVersion' )
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};
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// Convert specified Wikitext to HTML
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if (
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// wikitext can be an empty string
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options.wikitext !== undefined &&
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// eslint-disable-next-line no-jquery/no-global-selector
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!$( '[name=wpSection]' ).val()
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) {
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if ( conf.fullRestbaseUrl ) {
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pageHtmlUrl = conf.fullRestbaseUrl + 'v1/transform/wikitext/to/html/';
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} else {
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pageHtmlUrl = conf.restbaseUrl.replace( 'v1/page/html/', 'v1/transform/wikitext/to/html/' );
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}
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switched = true;
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fromEditedState = options.modified;
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window.onbeforeunload = null;
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$( window ).off( 'beforeunload' );
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restbaseXhr = $.ajax( {
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url: pageHtmlUrl + encodeURIComponent( pageName ) +
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( data.oldid === undefined ? '' : '/' + data.oldid ),
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type: 'POST',
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data: {
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title: pageName,
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wikitext: options.wikitext,
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stash: 'true'
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},
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headers: headers,
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dataType: 'text'
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} );
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} else {
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// Fetch revision
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if ( conf.fullRestbaseUrl ) {
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pageHtmlUrl = conf.fullRestbaseUrl + 'v1/page/html/';
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} else {
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pageHtmlUrl = conf.restbaseUrl;
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}
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restbaseXhr = $.ajax( {
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url: pageHtmlUrl + encodeURIComponent( pageName ) +
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( data.oldid === undefined ? '' : '/' + data.oldid ) +
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'?redirect=false&stash=true',
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type: 'GET',
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headers: headers,
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dataType: 'text'
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} );
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}
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restbasePromise = restbaseXhr.then(
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function ( response, status, jqxhr ) {
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ve.track( 'trace.restbaseLoad.exit', { mode: 'visual' } );
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ve.track( 'mwtiming.performance.system.restbaseLoad', {
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bytes: require( 'mediawiki.String' ).byteLength( jqxhr.responseText ),
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duration: ve.now() - start,
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targetName: options.targetName,
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mode: 'visual'
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} );
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return [ response, jqxhr.getResponseHeader( 'etag' ) ];
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},
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function ( xhr, code, _ ) {
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if ( xhr.status === 404 ) {
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// Page does not exist, so let the user start with a blank document.
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return $.Deferred().resolve( [ '', undefined ] ).promise();
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} else {
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mw.log.warn( 'RESTBase load failed: ' + xhr.statusText );
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return $.Deferred().reject( code, xhr, _ ).promise();
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}
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}
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);
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dataPromise = $.when( apiPromise, restbasePromise )
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.then( function ( apiData, restbaseData ) {
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if ( apiData.visualeditor ) {
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if ( restbaseData[ 0 ] || !apiData.visualeditor.content ) {
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// If we have actual content loaded, use it.
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// Otherwise, allow fallback content if present.
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// If no fallback content, this will give us an empty string for
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// content, which is desirable.
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apiData.visualeditor.content = restbaseData[ 0 ];
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apiData.visualeditor.etag = restbaseData[ 1 ];
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}
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apiData.visualeditor.switched = switched;
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apiData.visualeditor.fromEditedState = fromEditedState;
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}
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return apiData;
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} );
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abort = function () {
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if ( apiXhr ) {
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apiXhr.abort();
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}
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restbaseXhr.abort();
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};
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} else {
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dataPromise = apiPromise;
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if ( apiXhr ) {
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abort = apiXhr.abort;
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}
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}
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return dataPromise.then( function ( resp ) {
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// Adapted from RESTBase mwUtil.parseETag()
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var etagRegexp = /^(?:W\/)?"?([^"/]+)(?:\/([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}))(?:\/([^"]+))?"?$/;
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// `etag` is expected to be undefined when creating a new page.
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// We can detect that case by `content` being empty, and not retry.
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if ( useRestbase && resp.visualeditor.content && (
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!resp.visualeditor.etag ||
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!resp.visualeditor.etag.match( etagRegexp )
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) ) {
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// Direct request to RESTBase returned a mangled or missing etag.
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// Retry via the MediaWiki API.
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return mw.libs.ve.targetLoader.requestParsoidData(
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pageName,
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$.extend( {}, options, { badetag: resp.visualeditor.etag || '' } ),
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|
true
|
|
);
|
|
}
|
|
|
|
resp.veMode = 'visual';
|
|
return resp;
|
|
} ).promise( { abort: abort } );
|
|
},
|
|
|
|
/**
|
|
* Request the page wikitext and various metadata from the MediaWiki API.
|
|
*
|
|
* @param {string} pageName See #requestPageData
|
|
* @param {Object} [options] See #requestPageData
|
|
* @return {jQuery.Promise} Abortable promise resolved with a JSON object
|
|
*/
|
|
requestWikitext: function ( pageName, options ) {
|
|
var data, dataPromise;
|
|
|
|
options = options || {};
|
|
data = {
|
|
action: 'visualeditor',
|
|
paction: 'wikitext',
|
|
page: pageName,
|
|
uselang: mw.config.get( 'wgUserLanguage' ),
|
|
editintro: options.editintro,
|
|
preload: options.preload,
|
|
preloadparams: options.preloadparams,
|
|
formatversion: 2
|
|
};
|
|
|
|
// section should never really be undefined, but check just in case
|
|
if ( options.section !== null && options.section !== undefined ) {
|
|
data.section = options.section;
|
|
}
|
|
|
|
if ( options.oldId !== undefined ) {
|
|
data.oldid = options.oldId;
|
|
}
|
|
|
|
dataPromise = new mw.Api().get( data );
|
|
return dataPromise.then( function ( resp ) {
|
|
resp.veMode = 'source';
|
|
return resp;
|
|
} ).promise( { abort: dataPromise.abort } );
|
|
}
|
|
};
|
|
}() );
|