mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-27 07:40:48 +00:00
305 lines
10 KiB
JavaScript
305 lines
10 KiB
JavaScript
/*!
|
|
* VisualEditor MediaWiki ArticleTargetLoader.
|
|
*
|
|
* @copyright 2011-2017 VisualEditor Team and others; see AUTHORS.txt
|
|
* @license The MIT License (MIT); see LICENSE.txt
|
|
*/
|
|
|
|
/**
|
|
* Target loader.
|
|
*
|
|
* Light-weight loader that loads ResourceLoader modules for VisualEditor
|
|
* and HTML and page data from the API. Also handles plugin registration.
|
|
*
|
|
* @class mw.libs.ve.targetLoader
|
|
* @singleton
|
|
*/
|
|
( function () {
|
|
var prefName, prefValue,
|
|
uri = new mw.Uri(),
|
|
conf = mw.config.get( 'wgVisualEditorConfig' ),
|
|
pluginCallbacks = [],
|
|
modules = [ 'ext.visualEditor.articleTarget' ]
|
|
// Add modules from $wgVisualEditorPluginModules
|
|
.concat( conf.pluginModules.filter( mw.loader.getState ) );
|
|
|
|
// Provide the new wikitext editor
|
|
if (
|
|
conf.enableWikitext &&
|
|
(
|
|
mw.user.options.get( 'visualeditor-newwikitext' ) ||
|
|
uri.query.veaction === 'editsource'
|
|
) &&
|
|
mw.loader.getState( 'ext.visualEditor.mwwikitext' )
|
|
) {
|
|
modules.push( 'ext.visualEditor.mwwikitext' );
|
|
}
|
|
|
|
// Allow signing posts in select namespaces
|
|
if ( conf.signatureNamespaces.length ) {
|
|
modules.push( 'ext.visualEditor.mwsignature' );
|
|
}
|
|
|
|
// Add preference modules
|
|
for ( prefName in conf.preferenceModules ) {
|
|
prefValue = mw.user.options.get( prefName );
|
|
// Check "0" (T89513)
|
|
if ( prefValue && prefValue !== '0' ) {
|
|
modules.push( conf.preferenceModules[ prefName ] );
|
|
}
|
|
}
|
|
|
|
mw.libs.ve = mw.libs.ve || {};
|
|
|
|
mw.libs.ve.targetLoader = {
|
|
/**
|
|
* Add a plugin module or callback.
|
|
*
|
|
* If a module name is passed, that module will be loaded alongside the other modules.
|
|
*
|
|
* If a callback is passed, it will be executed after the modules have loaded. The callback
|
|
* may optionally return a jQuery.Promise; if it does, loading won't be complete until
|
|
* that promise is resolved.
|
|
*
|
|
* @param {string|Function} plugin Plugin module name or callback
|
|
*/
|
|
addPlugin: function ( plugin ) {
|
|
if ( typeof plugin === 'string' ) {
|
|
modules.push( plugin );
|
|
} else if ( $.isFunction( plugin ) ) {
|
|
pluginCallbacks.push( plugin );
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Load modules needed for VisualEditor, as well as plugins.
|
|
*
|
|
* This loads the base VE modules as well as any registered plugin modules.
|
|
* Once those are loaded, any registered plugin callbacks are executed,
|
|
* and we wait for all promises returned by those callbacks to resolve.
|
|
*
|
|
* @return {jQuery.Promise} Promise resolved when the loading process is complete
|
|
*/
|
|
loadModules: function () {
|
|
ve.track( 'trace.moduleLoad.enter' );
|
|
return mw.loader.using( modules )
|
|
.then( function () {
|
|
ve.track( 'trace.moduleLoad.exit' );
|
|
pluginCallbacks.push( ve.init.platform.getInitializedPromise.bind( ve.init.platform ) );
|
|
// Execute plugin callbacks and collect promises
|
|
return $.when.apply( $, pluginCallbacks.map( function ( callback ) {
|
|
return callback();
|
|
} ) );
|
|
} );
|
|
},
|
|
|
|
/**
|
|
* Request the page data and various metadata from the MediaWiki API (which will use
|
|
* Parsoid or RESTBase).
|
|
*
|
|
* @param {string} mode Target mode: 'visual' or 'source'
|
|
* @param {string} pageName Page name to request
|
|
* @param {Object} [options] Options
|
|
* @param {number|string} [options.section] Section to edit, number or 'new' (currently just source mode)
|
|
* @param {number} [options.oldId] Old revision ID. Current if omitted.
|
|
* @param {string} [options.targetName] Optional target name for tracking
|
|
* @param {boolean} [options.modified] The page was been modified before loading (e.g. in source mode)
|
|
* @param {string} [options.wikitext] Wikitext to convert to HTML. The original document is fetched if undefined.
|
|
* @param {string} [preload] Name of a page to use as preloaded content if pageName is empty
|
|
* @param {Array} [preloadparams] Parameters to substitute into preload if it's used
|
|
* @return {jQuery.Promise} Abortable promise resolved with a JSON object
|
|
*/
|
|
requestPageData: function ( mode, pageName, options ) {
|
|
if ( mode === 'source' ) {
|
|
return this.requestWikitext( pageName, options );
|
|
} else {
|
|
return this.requestParsoidData( pageName, options );
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Request the page HTML and various metadata from the MediaWiki API (which will use
|
|
* Parsoid or RESTBase).
|
|
*
|
|
* @param {string} pageName See #requestPageData
|
|
* @param {Object} [options] See #requestPageData
|
|
* @return {jQuery.Promise} Abortable promise resolved with a JSON object
|
|
*/
|
|
requestParsoidData: function ( pageName, options ) {
|
|
var start, apiXhr, restbaseXhr, apiPromise, restbasePromise, dataPromise, pageHtmlUrl, headers,
|
|
switched = false,
|
|
fromEditedState = false,
|
|
data = {
|
|
action: 'visualeditor',
|
|
paction: ( conf.fullRestbaseUrl || conf.restbaseUrl ) ? 'metadata' : 'parse',
|
|
page: pageName,
|
|
uselang: mw.config.get( 'wgUserLanguage' ),
|
|
editintro: uri.query.editintro,
|
|
preload: options.preload,
|
|
preloadparams: options.preloadparams
|
|
};
|
|
|
|
options = options || {};
|
|
|
|
// Only request the API to explicitly load the currently visible revision if we're restoring
|
|
// from oldid. Otherwise we should load the latest version. This prevents us from editing an
|
|
// old version if an edit was made while the user was viewing the page and/or the user is
|
|
// seeing (slightly) stale cache.
|
|
if ( options.oldId !== undefined ) {
|
|
data.oldid = options.oldId;
|
|
}
|
|
// Load DOM
|
|
start = ve.now();
|
|
ve.track( 'trace.apiLoad.enter' );
|
|
|
|
if ( data.paction === 'parse' && options.wikitext !== undefined ) {
|
|
// Non-RESTBase custom wikitext parse
|
|
data.paction = 'parsefragment';
|
|
data.wikitext = options.wikitext;
|
|
apiXhr = new mw.Api().post( data );
|
|
} else {
|
|
apiXhr = new mw.Api().get( data );
|
|
}
|
|
apiPromise = apiXhr.then( function ( data, jqxhr ) {
|
|
ve.track( 'trace.apiLoad.exit' );
|
|
ve.track( 'mwtiming.performance.system.apiLoad', {
|
|
bytes: $.byteLength( jqxhr.responseText ),
|
|
duration: ve.now() - start,
|
|
cacheHit: /hit/i.test( jqxhr.getResponseHeader( 'X-Cache' ) ),
|
|
targetName: options.targetName
|
|
} );
|
|
return data;
|
|
} );
|
|
|
|
if ( conf.fullRestbaseUrl || conf.restbaseUrl ) {
|
|
ve.track( 'trace.restbaseLoad.enter' );
|
|
|
|
// Should be synchronised with ApiVisualEditor.php
|
|
headers = {
|
|
Accept: 'text/html; charset=utf-8; profile="mediawiki.org/specs/html/1.2.0"',
|
|
'Api-User-Agent': 'VisualEditor-MediaWiki/' + mw.config.get( 'wgVersion' )
|
|
};
|
|
|
|
// Convert specified Wikitext to HTML
|
|
if (
|
|
// wikitext can be an empty string
|
|
options.wikitext !== undefined &&
|
|
!$( '[name=wpSection]' ).val()
|
|
) {
|
|
if ( conf.fullRestbaseUrl ) {
|
|
pageHtmlUrl = conf.fullRestbaseUrl + 'v1/transform/wikitext/to/html/';
|
|
} else {
|
|
pageHtmlUrl = conf.restbaseUrl.replace( 'v1/page/html/', 'v1/transform/wikitext/to/html/' );
|
|
}
|
|
switched = true;
|
|
fromEditedState = options.modified;
|
|
window.onbeforeunload = null;
|
|
$( window ).off( 'beforeunload' );
|
|
restbaseXhr = $.ajax( {
|
|
url: pageHtmlUrl + encodeURIComponent( pageName ) +
|
|
( data.oldid === undefined ? '' : '/' + data.oldid ),
|
|
type: 'POST',
|
|
data: {
|
|
title: pageName,
|
|
oldid: data.oldid,
|
|
wikitext: options.wikitext,
|
|
stash: 'true'
|
|
},
|
|
headers: headers,
|
|
dataType: 'text'
|
|
} );
|
|
} else {
|
|
// Fetch revision
|
|
if ( conf.fullRestbaseUrl ) {
|
|
pageHtmlUrl = conf.fullRestbaseUrl + 'v1/page/html/';
|
|
} else {
|
|
pageHtmlUrl = conf.restbaseUrl;
|
|
}
|
|
restbaseXhr = $.ajax( {
|
|
url: pageHtmlUrl + encodeURIComponent( pageName ) +
|
|
( data.oldid === undefined ? '' : '/' + data.oldid ) + '?redirect=false',
|
|
type: 'GET',
|
|
headers: headers,
|
|
dataType: 'text'
|
|
} );
|
|
}
|
|
restbasePromise = restbaseXhr.then(
|
|
function ( data, status, jqxhr ) {
|
|
ve.track( 'trace.restbaseLoad.exit' );
|
|
ve.track( 'mwtiming.performance.system.restbaseLoad', {
|
|
bytes: $.byteLength( jqxhr.responseText ),
|
|
duration: ve.now() - start,
|
|
targetName: options.targetName
|
|
} );
|
|
return [ data, jqxhr.getResponseHeader( 'etag' ) ];
|
|
},
|
|
function ( xhr, code, _ ) {
|
|
if ( xhr.status === 404 ) {
|
|
// Page does not exist, so let the user start with a blank document.
|
|
return $.Deferred().resolve( [ '', undefined ] ).promise();
|
|
} else {
|
|
mw.log.warn( 'RESTBase load failed: ' + xhr.statusText );
|
|
return $.Deferred().reject( code, xhr, _ ).promise();
|
|
}
|
|
}
|
|
);
|
|
|
|
dataPromise = $.when( apiPromise, restbasePromise )
|
|
.then( function ( apiData, restbaseData ) {
|
|
if ( apiData.visualeditor ) {
|
|
if ( restbaseData[ 0 ] || !apiData.visualeditor.content ) {
|
|
// If we have actual content loaded, use it.
|
|
// Otherwise, allow fallback content if present.
|
|
// If no fallback content, this will give us an empty string for
|
|
// content, which is desirable.
|
|
apiData.visualeditor.content = restbaseData[ 0 ];
|
|
apiData.visualeditor.etag = restbaseData[ 1 ];
|
|
}
|
|
apiData.visualeditor.switched = switched;
|
|
apiData.visualeditor.fromEditedState = fromEditedState;
|
|
}
|
|
return apiData;
|
|
} )
|
|
.promise( { abort: function () {
|
|
apiXhr.abort();
|
|
restbaseXhr.abort();
|
|
} } );
|
|
} else {
|
|
dataPromise = apiPromise.promise( { abort: apiXhr.abort } );
|
|
}
|
|
|
|
return dataPromise;
|
|
},
|
|
|
|
/**
|
|
* 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 = {
|
|
action: 'visualeditor',
|
|
paction: 'wikitext',
|
|
page: pageName,
|
|
uselang: mw.config.get( 'wgUserLanguage' ),
|
|
editintro: uri.query.editintro,
|
|
preload: options.preload,
|
|
preloadparams: options.preloadparams
|
|
};
|
|
|
|
// 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;
|
|
}
|
|
|
|
return new mw.Api().get( data );
|
|
}
|
|
};
|
|
}() );
|