mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-09-27 04:06:51 +00:00
711 lines
20 KiB
JavaScript
711 lines
20 KiB
JavaScript
/*!
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* VisualEditor MediaWiki Initialization Target class.
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*
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* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/*global mw */
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/**
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* Initialization MediaWiki target.
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*
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* @class
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* @extends ve.init.Target
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*
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* @constructor
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* @param {jQuery} $container Conainter to render target into
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* @param {string} pageName Name of target page
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* @param {number} [revisionId] If the editor should load a revision of the page, pass the
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* revision id here. Defaults to loading the latest version (see #load).
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*/
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ve.init.mw.Target = function VeInitMwTarget( $container, pageName, revisionId ) {
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var conf = mw.config.get( 'wgVisualEditorConfig' );
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// Parent constructor
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ve.init.Target.call( this, $container );
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// Properties
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this.pageName = pageName;
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this.pageExists = mw.config.get( 'wgArticleId', 0 ) !== 0;
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this.revid = revisionId || mw.config.get( 'wgCurRevisionId' );
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this.restoring = !!revisionId;
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this.editToken = mw.user.tokens.get( 'editToken' );
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this.apiUrl = mw.util.wikiScript( 'api' );
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this.submitUrl = ( new mw.Uri( mw.util.wikiGetlink( this.pageName ) ) )
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.extend( { 'action': 'submit' } );
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this.modules = [
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( mw.config.get( 'wgUserName' ) === null ?
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conf.defaultUserOptions.experimental :
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mw.user.options.get( 'visualeditor-enable-experimental', conf.defaultUserOptions.experimental ) ) ?
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'ext.visualEditor.experimental' : 'ext.visualEditor.core',
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'ext.visualEditor.data'
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]
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.concat(
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document.createElementNS && document.createElementNS( 'http://www.w3.org/2000/svg', 'svg' ).createSVGRect ?
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['ext.visualEditor.viewPageTarget.icons-vector', 'ext.visualEditor.icons-vector'] :
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['ext.visualEditor.viewPageTarget.icons-raster', 'ext.visualEditor.icons-raster']
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)
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.concat( mw.config.get( 'wgVisualEditorConfig' ).pluginModules || [] );
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this.pluginCallbacks = [];
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this.modulesReady = $.Deferred();
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this.loading = false;
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this.saving = false;
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this.serializing = false;
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this.submitting = false;
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this.baseTimeStamp = null;
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this.startTimeStamp = null;
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this.doc = null;
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this.editNotices = null;
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this.checkboxes = null;
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this.remoteNotices = [];
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this.localNoticeMessages = [];
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this.isMobileDevice = (
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'ontouchstart' in window ||
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( window.DocumentTouch && document instanceof window.DocumentTouch )
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);
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};
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/**
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* @event load
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* @param {HTMLDocument} dom
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*/
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/**
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* @event editConflict
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*/
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/**
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* @event save
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* @param {string} html
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*/
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/**
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* @event showChanges
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* @param {string} diff
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*/
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/**
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* @event noChanges
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*/
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/**
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* @event loadError
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* @param {jqXHR|null} jqXHR
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* @param {string} status Text status message
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* @param {Mixed|null} error HTTP status text
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*/
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/**
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* @event saveError
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* @param {jqXHR|null} jqXHR
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* @param {string} status Text status message
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* @param {Object|null} data API response data
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*/
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/**
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* @event showChangesError
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* @param {jqXHR|null} jqXHR
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* @param {string} status Text status message
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* @param {Mixed|null} error HTTP status text
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*/
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/**
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* @event serializeError
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* @param {jqXHR|null} jqXHR
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* @param {string} status Text status message
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* @param {Mixed|null} error HTTP status text
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*/
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/* Inheritance */
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ve.inheritClass( ve.init.mw.Target, ve.init.Target );
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/* Static Methods */
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/**
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* Handle the RL modules for VE and registered plugin modules being loaded.
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*
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* This method is called within the context of a target instance. It executes all registered
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* plugin callbacks, gathers any promises returned and resolves this.modulesReady when all of
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* the gathered promises are resolved.
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*/
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ve.init.mw.Target.onModulesReady = function () {
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var i, len, callbackResult, promises = [];
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for ( i = 0, len = this.pluginCallbacks.length; i < len; i++ ) {
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callbackResult = this.pluginCallbacks[i]( this );
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if ( callbackResult && callbackResult.then ) { // duck-type jQuery.Promise using .then
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promises.push( callbackResult );
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}
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}
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// Dereference the callbacks
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this.pluginCallbacks = [];
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// Create a master promise tracking all the promises we got, and wait for it
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// to be resolved
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$.when.apply( $, promises ).done( this.modulesReady.resolve ).fail( this.modulesReady.reject );
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};
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/**
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* Handle response to a successful load request.
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*
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* This method is called within the context of a target instance. If successful the DOM from the
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* server will be parsed, stored in {this.doc} and then {ve.init.mw.Target.onReady} will be called once
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* the modules are ready.
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*
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* @static
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* @method
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* @param {Object} response XHR Response object
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* @param {string} status Text status message
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* @emits loadError
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*/
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ve.init.mw.Target.onLoad = function ( response ) {
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var data = response ? response.visualeditor : null;
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if ( !data && !response.error ) {
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ve.init.mw.Target.onLoadError.call(
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this, null, 'Invalid response in response from server', null
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);
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} else if ( response.error || data.result === 'error' ) {
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ve.init.mw.Target.onLoadError.call( this, null,
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response.error.code + ': ' + response.error.info,
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null
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);
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} else if ( typeof data.content !== 'string' ) {
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ve.init.mw.Target.onLoadError.call(
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this, null, 'No HTML content in response from server', null
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);
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} else {
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this.originalHtml = data.content;
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this.doc = ve.createDocumentFromHtml( this.originalHtml );
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this.remoteNotices = ve.getObjectValues( data.notices );
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this.checkboxes = data.checkboxes;
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this.baseTimeStamp = data.basetimestamp;
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this.startTimeStamp = data.starttimestamp;
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this.revid = data.oldid;
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// Everything worked, the page was loaded, continue as soon as the modules are loaded
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this.modulesReady.done( ve.bind( ve.init.mw.Target.onReady, this ) );
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}
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};
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/**
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* Handle the edit notices being ready for rendering.
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*
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* @static
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* @method
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*/
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ve.init.mw.Target.onNoticesReady = function () {
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var i, len, noticeHtmls, tmp, el;
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// Since we're going to parse them, we might as well save these nodes
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// so we don't have to parse them again later.
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this.editNotices = {};
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/* Don't show notices without visible html (bug 43013). */
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// This is a temporary container for parsed notices in the <body>.
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// We need the elements to be in the DOM in order for stylesheets to apply
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// and jquery.visibleText to determine whether a node is visible.
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tmp = document.createElement( 'div' );
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// The following is essentially display none, but we can't use that
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// since then all descendants will be considered invisible too.
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tmp.style.cssText = 'position: static; top: 0; width: 0; height: 0; border: 0; visibility: hidden;';
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document.body.appendChild( tmp );
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// Merge locally and remotely generated notices
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noticeHtmls = this.remoteNotices.slice();
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for ( i = 0, len = this.localNoticeMessages.length; i < len; i++ ) {
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noticeHtmls.push(
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'<p>' + ve.init.platform.getParsedMessage( this.localNoticeMessages[i] ) + '</p>'
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);
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}
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for ( i = 0, len = noticeHtmls.length; i < len; i++ ) {
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el = $( '<div>' )
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.addClass( 've-init-mw-viewPageTarget-editNotices-notice' )
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.html( noticeHtmls[i] )
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.get( 0 );
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tmp.appendChild( el );
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if ( $.getVisibleText( el ).trim() !== '' ) {
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this.editNotices[i] = el;
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}
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tmp.removeChild( el );
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}
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document.body.removeChild( tmp );
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};
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/**
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* Handle both DOM and modules being loaded and ready.
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*
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* This method is called within the context of a target instance.
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*
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* @static
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* @method
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* @emits load
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*/
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ve.init.mw.Target.onReady = function () {
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// We need to wait until onReady as local notices may require special messages
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ve.init.mw.Target.onNoticesReady.call( this );
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this.loading = false;
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this.emit( 'load', this.doc );
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};
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/**
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* Handle an unsuccessful load request.
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*
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* This method is called within the context of a target instance.
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*
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* @static
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* @method
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* @param {Object} jqXHR
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* @param {string} status Text status message
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* @param {Mixed} error HTTP status text
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* @emits loadError
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*/
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ve.init.mw.Target.onLoadError = function ( jqXHR, status, error ) {
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this.loading = false;
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this.emit( 'loadError', jqXHR, status, error );
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};
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/**
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* Handle a successful save request.
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*
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* This method is called within the context of a target instance.
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*
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* @static
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* @method
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* @param {Object} response Response data
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* @param {string} status Text status message
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* @emits editConflict
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* @emits save
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*/
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ve.init.mw.Target.onSave = function ( response ) {
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this.saving = false;
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var data = response.visualeditoredit;
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if ( !data && !response.error ) {
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ve.init.mw.Target.onSaveError.call( this, null, 'Invalid response from server', response );
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} else if ( response.error ) {
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if ( response.error.code === 'editconflict' ) {
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this.emit( 'editConflict' );
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} else {
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ve.init.mw.Target.onSaveError.call( this, null, 'Save failure', response );
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}
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} else if ( data.result !== 'success' ) {
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// Note, this could be any of db failure, hookabort, badtoken or even a captcha
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ve.init.mw.Target.onSaveError.call( this, null, 'Save failure', response );
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} else if ( typeof data.content !== 'string' ) {
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ve.init.mw.Target.onSaveError.call(
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this,
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null,
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'Invalid HTML content in response from server',
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response
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);
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} else {
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this.emit( 'save', data.content, data.newrevid );
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}
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};
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/**
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* Handle an unsuccessful save request.
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*
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* @static
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* @method
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* @this ve.init.mw.Target
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* @param {Object} jqXHR
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* @param {string} status Text status message
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* @param {Object|null} data API response data
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* @emits saveError
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*/
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ve.init.mw.Target.onSaveError = function ( jqXHR, status, data ) {
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this.saving = false;
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this.emit( 'saveError', jqXHR, status, data );
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};
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/**
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* Handle a successful show changes request.
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*
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* @static
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* @method
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* @param {Object} response API response data
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* @param {string} status Text status message
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* @emits showChanges
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* @emits noChanges
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*/
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ve.init.mw.Target.onShowChanges = function ( response ) {
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var data = response.visualeditor;
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if ( !data && !response.error ) {
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ve.init.mw.Target.onShowChangesError.call( this, null, 'Invalid response from server', null );
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} else if ( response.error ) {
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ve.init.mw.Target.onShowChangesError.call(
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this, null, 'Unsuccessful request: ' + response.error.info, null
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);
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} else if ( data.result === 'nochanges' ) {
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this.emit( 'noChanges' );
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} else if ( data.result !== 'success' ) {
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ve.init.mw.Target.onShowChangesError.call( this, null, 'Failed request: ' + data.result, null );
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} else if ( typeof data.diff !== 'string' ) {
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ve.init.mw.Target.onShowChangesError.call(
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this, null, 'Invalid HTML content in response from server', null
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);
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} else {
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this.emit( 'showChanges', data.diff );
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}
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};
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/**
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* Handle errors during saveChanges action.
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*
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* @static
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* @method
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* @this ve.init.mw.Target
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* @param {Object} jqXHR
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* @param {string} status Text status message
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* @param {Mixed} error HTTP status text
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* @emits showChangesError
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*/
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ve.init.mw.Target.onShowChangesError = function ( jqXHR, status, error ) {
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this.saving = false;
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this.emit( 'showChangesError', jqXHR, status, error );
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};
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/**
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* Handle a successful serialize request.
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*
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* This method is called within the context of a target instance.
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*
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* @static
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* @method
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* @param {Object} data API response data
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* @param {string} status Text status message
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*/
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ve.init.mw.Target.onSerialize = function ( response ) {
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this.serializing = false;
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var data = response.visualeditor;
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if ( !data && !response.error ) {
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ve.init.mw.Target.onSerializeError.call( this, null, 'Invalid response from server', null );
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} else if ( response.error ) {
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ve.init.mw.Target.onSerializeError.call(
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this, null, 'Unsuccessful request: ' + response.error.info, null
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);
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} else if ( data.result === 'error' ) {
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ve.init.mw.Target.onSerializeError.call( this, null, 'Server error', null );
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} else if ( typeof data.content !== 'string' ) {
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ve.init.mw.Target.onSerializeError.call(
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this, null, 'No Wikitext content in response from server', null
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);
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} else {
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if ( typeof this.serializeCallback === 'function' ) {
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this.serializeCallback( data.content );
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delete this.serializeCallback;
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}
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}
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};
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/**
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* Handle an unsuccessful serialize request.
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*
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* This method is called within the context of a target instance.
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*
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* @static
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* @method
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* @param {jqXHR|null} jqXHR
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* @param {string} status Text status message
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* @param {Mixed|null} error HTTP status text
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* @emits serializeError
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*/
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ve.init.mw.Target.onSerializeError = function ( jqXHR, status, error ) {
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this.serializing = false;
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this.emit( 'serializeError', jqXHR, status, error );
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};
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/* Methods */
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/**
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* Add a plugin module or callback.
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*
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* @param {string|Function} plugin Plugin module or callback
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*/
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ve.init.mw.Target.prototype.addPlugin = function ( plugin ) {
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if ( typeof plugin === 'string' ) {
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this.modules.push( plugin );
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} else if ( $.isFunction( plugin ) ) {
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this.pluginCallbacks.push( plugin );
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}
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};
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/**
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* Add an array of plugins.
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*
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* @see #addPlugin
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* @param {Array} plugins
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*/
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ve.init.mw.Target.prototype.addPlugins = function ( plugins ) {
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var i, len;
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for ( i = 0, len = plugins.length; i < len; i++ ) {
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this.addPlugin( plugins[i] );
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}
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};
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/**
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* Get HTML to send to Parsoid. This takes a document generated by the converter and
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* transplants the head tag from the old document into it, as well as the attributes on the
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* html and body tags.
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*
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* @param {HTMLDocument} newDoc Document generated by ve.dm.Converter. Will be modified.
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* @returns {string} Full HTML document
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*/
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ve.init.mw.Target.prototype.getHtml = function ( newDoc ) {
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var i, len, oldDoc = this.doc;
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function copyAttributes( from, to ) {
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var i, len;
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for ( i = 0, len = from.attributes.length; i < len; i++ ) {
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to.setAttribute( from.attributes[i].name, from.attributes[i].value );
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}
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}
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// Copy the head from the old document
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for ( i = 0, len = oldDoc.head.childNodes.length; i < len; i++ ) {
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newDoc.head.appendChild( oldDoc.head.childNodes[i].cloneNode( true ) );
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}
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// Copy attributes from the old document for the html, head and body
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copyAttributes( oldDoc.documentElement, newDoc.documentElement );
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copyAttributes( oldDoc.head, newDoc.head );
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copyAttributes( oldDoc.body, newDoc.body );
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return '<!doctype html>' + ve.properOuterHtml( newDoc.documentElement );
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};
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/**
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* Get DOM data from the Parsoid API.
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*
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* This method performs an asynchronous action and uses a callback function to handle the result.
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*
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* A side-effect of calling this method is that it requests {this.modules} be loaded.
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*
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* @method
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* @returns {boolean} Loading has been started
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*/
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ve.init.mw.Target.prototype.load = function () {
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var data, start;
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// Prevent duplicate requests
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if ( this.loading ) {
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return false;
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}
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// Start loading the module immediately
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mw.loader.using(
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// Wait for site and user JS before running plugins
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this.modules.concat( [ 'site', 'user' ] ),
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ve.bind( ve.init.mw.Target.onModulesReady, this )
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);
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data = {
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'action': 'visualeditor',
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'paction': 'parse',
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'page': this.pageName,
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'format': 'json'
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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
|
|
// seeing (slightly) stale cache.
|
|
if ( this.restoring ) {
|
|
data.oldid = this.revid;
|
|
}
|
|
|
|
// Load DOM
|
|
start = ve.now();
|
|
|
|
this.loading = $.ajax( {
|
|
'url': this.apiUrl,
|
|
'data': data,
|
|
'dataType': 'json',
|
|
'type': 'POST',
|
|
// Wait up to 100 seconds before giving up
|
|
'timeout': 100000,
|
|
'cache': 'false',
|
|
'success': ve.bind( ve.init.mw.Target.onLoad, this ),
|
|
'error': ve.bind( ve.init.mw.Target.onLoadError, this )
|
|
} );
|
|
|
|
this.loading.done( function ( data, status, jqxhr ) {
|
|
ve.track( 'DOM retrieved', {
|
|
'bytes': $.byteLength( jqxhr.responseText ),
|
|
'duration': ve.now() - start,
|
|
'cacheHit': /hit/i.test( jqxhr.getResponseHeader( 'X-Cache' ) ),
|
|
'parsoid': jqxhr.getResponseHeader( 'X-Parsoid-Performance' )
|
|
} );
|
|
} );
|
|
|
|
return true;
|
|
};
|
|
|
|
/**
|
|
* Post DOM data to the Parsoid API.
|
|
*
|
|
* This method performs an asynchronous action and uses a callback function to handle the result.
|
|
*
|
|
* target.save( dom, { 'summary': 'test', 'minor': true, 'watch': false } );
|
|
*
|
|
* @method
|
|
* @param {HTMLDocument} doc Document to save
|
|
* @param {Object} options Saving options. All keys are passed through, including unrecognized ones.
|
|
* - {string} summary Edit summary
|
|
* - {boolean} minor Edit is a minor edit
|
|
* - {boolean} watch Watch the page
|
|
* @returns {boolean} Saving has been started
|
|
*/
|
|
ve.init.mw.Target.prototype.save = function ( doc, options ) {
|
|
// Prevent duplicate requests
|
|
if ( this.saving ) {
|
|
return false;
|
|
}
|
|
|
|
var data = $.extend( {}, options, {
|
|
'format': 'json',
|
|
'action': 'visualeditoredit',
|
|
'page': this.pageName,
|
|
'oldid': this.revid,
|
|
'basetimestamp': this.baseTimeStamp,
|
|
'starttimestamp': this.startTimeStamp,
|
|
'html': this.getHtml( doc ),
|
|
'token': this.editToken
|
|
} );
|
|
|
|
// Save DOM
|
|
this.saving = true;
|
|
$.ajax( {
|
|
'url': this.apiUrl,
|
|
'data': data,
|
|
'dataType': 'json',
|
|
'type': 'POST',
|
|
// Wait up to 100 seconds before giving up
|
|
'timeout': 100000,
|
|
'success': ve.bind( ve.init.mw.Target.onSave, this ),
|
|
'error': ve.bind( ve.init.mw.Target.onSaveError, this )
|
|
} );
|
|
return true;
|
|
};
|
|
|
|
/**
|
|
* Post DOM data to the Parsoid API to retreive wikitext diff.
|
|
*
|
|
* @method
|
|
* @param {HTMLDocument} doc Document to compare against (via wikitext)
|
|
*/
|
|
ve.init.mw.Target.prototype.showChanges = function ( doc ) {
|
|
$.ajax( {
|
|
'url': this.apiUrl,
|
|
'data': {
|
|
'format': 'json',
|
|
'action': 'visualeditor',
|
|
'paction': 'diff',
|
|
'page': this.pageName,
|
|
'oldid': this.revid,
|
|
'html': this.getHtml( doc )
|
|
},
|
|
'dataType': 'json',
|
|
'type': 'POST',
|
|
// Wait up to 100 seconds before giving up
|
|
'timeout': 100000,
|
|
'success': ve.bind( ve.init.mw.Target.onShowChanges, this ),
|
|
'error': ve.bind( ve.init.mw.Target.onShowChangesError, this )
|
|
} );
|
|
};
|
|
|
|
/**
|
|
* Post DOM data to the Parsoid API.
|
|
*
|
|
* This method performs a synchronous action and will take the user to a new page when complete.
|
|
*
|
|
* target.submit( wikitext, { 'summary': 'test', 'minor': true, 'watch': false } );
|
|
*
|
|
* @method
|
|
* @param {string} wikitext Wikitext to submit
|
|
* @param {Object} options Saving options
|
|
* - {string} summary Edit summary
|
|
* - {boolean} minor Edit is a minor edit
|
|
* - {boolean} watch Watch the page
|
|
* @returns {boolean} Submitting has been started
|
|
*/
|
|
ve.init.mw.Target.prototype.submit = function ( wikitext, options ) {
|
|
// Prevent duplicate requests
|
|
if ( this.submitting ) {
|
|
return false;
|
|
}
|
|
// Save DOM
|
|
this.submitting = true;
|
|
var key,
|
|
$form = $( '<form method="post" enctype="multipart/form-data"></form>' ),
|
|
params = {
|
|
'format': 'text/x-wiki',
|
|
'oldid': this.revid,
|
|
'wpStarttime': this.baseTimeStamp,
|
|
'wpEdittime': this.startTimeStamp,
|
|
'wpTextbox1': wikitext,
|
|
'wpSummary': options.summary,
|
|
'wpWatchthis': Number( options.watch ),
|
|
'wpMinoredit': Number( options.minor ),
|
|
'wpEditToken': this.editToken,
|
|
'wpSave': 1
|
|
};
|
|
// Add params as hidden fields
|
|
for ( key in params ) {
|
|
$form.append( $( '<input type="hidden">' ).attr( { 'name': key, 'value': params[key] } ) );
|
|
}
|
|
// Submit the form, mimicking a traditional edit
|
|
$form.attr( 'action', this.submitUrl ).appendTo( 'body' ).submit();
|
|
return true;
|
|
};
|
|
|
|
/**
|
|
* Get Wikitext data from the Parsoid API.
|
|
*
|
|
* This method performs an asynchronous action and uses a callback function to handle the result.
|
|
*
|
|
* target.serialize(
|
|
* dom,
|
|
* function ( wikitext ) {
|
|
* // Do something with the loaded DOM
|
|
* }
|
|
* );
|
|
*
|
|
* @method
|
|
* @param {HTMLDocument} doc Document to serialize
|
|
* @param {Function} callback Function to call when complete, accepts error and wikitext arguments
|
|
* @returns {boolean} Serializing has beeen started
|
|
*/
|
|
ve.init.mw.Target.prototype.serialize = function ( doc, callback ) {
|
|
// Prevent duplicate requests
|
|
if ( this.serializing ) {
|
|
return false;
|
|
}
|
|
// Load DOM
|
|
this.serializing = true;
|
|
this.serializeCallback = callback;
|
|
$.ajax( {
|
|
'url': this.apiUrl,
|
|
'data': {
|
|
'action': 'visualeditor',
|
|
'paction': 'serialize',
|
|
'html': this.getHtml( doc ),
|
|
'page': this.pageName,
|
|
'oldid': this.revid,
|
|
'format': 'json'
|
|
},
|
|
'dataType': 'json',
|
|
'type': 'POST',
|
|
// Wait up to 100 seconds before giving up
|
|
'timeout': 100000,
|
|
'cache': 'false',
|
|
'success': ve.bind( ve.init.mw.Target.onSerialize, this ),
|
|
'error': ve.bind( ve.init.mw.Target.onSerializeError, this )
|
|
} );
|
|
return true;
|
|
};
|