mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-15 02:23:58 +00:00
1b8f8d8908
The default value of target#pageName is wgRelevantPageName but other targets my override this, or change it dynamically (e.g. ContentTranslation). Also remove duplicate setter of pageName in mw.ArticleTarget, already set in mw.Target. Change-Id: Iebd1def1d4142978a673afec584a0b663644d176
578 lines
16 KiB
JavaScript
578 lines
16 KiB
JavaScript
/*!
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* VisualEditor DataModel MWTransclusionModel class.
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*
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* @copyright 2011-2017 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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( function () {
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var hasOwn = Object.hasOwnProperty,
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specCache = {};
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/**
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* MediaWiki transclusion model.
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*
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* @class
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* @mixins OO.EventEmitter
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*
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* @constructor
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*/
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ve.dm.MWTransclusionModel = function VeDmMWTransclusionModel() {
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// Mixin constructors
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OO.EventEmitter.call( this );
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// Properties
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this.parts = [];
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this.uid = 0;
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this.requests = [];
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this.queue = [];
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this.specCache = specCache;
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};
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/* Inheritance */
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OO.mixinClass( ve.dm.MWTransclusionModel, OO.EventEmitter );
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/* Events */
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/**
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* @event replace
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* @param {ve.dm.MWTransclusionPartModel|null} removed Removed part
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* @param {ve.dm.MWTransclusionPartModel|null} added Added part
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*/
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/**
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* @event change
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*/
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/* Methods */
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/**
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* Insert transclusion at the end of a surface fragment.
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*
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* If forceType is not specified and this is used in async mode, users of this method
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* should ensure the surface is not accessible while the type is being evaluated.
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*
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* @param {ve.dm.SurfaceFragment} surfaceFragment Surface fragment after which to insert.
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* @param {boolean|undefined} [forceType] Force the type to 'inline' or 'block'. If not
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* specified it will be evaluated asynchronously.
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* @return {jQuery.Promise} Promise which resolves when the node has been inserted. If
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* forceType was specified this will be instant.
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*/
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ve.dm.MWTransclusionModel.prototype.insertTransclusionNode = function ( surfaceFragment, forceType ) {
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var model = this,
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deferred = $.Deferred(),
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baseNodeClass = ve.dm.MWTransclusionNode;
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function insertNode( isInline, generatedContents ) {
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var hash, store, nodeClass,
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type = isInline ? baseNodeClass.static.inlineType : baseNodeClass.static.blockType,
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range = surfaceFragment.getSelection().getCoveringRange(),
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data = [
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{
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type: type,
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attributes: {
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mw: model.getPlainObject()
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}
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},
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{ type: '/' + type }
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];
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// If we just fetched the generated contents, put them in the store
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// so we don't do a duplicate API call later.
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if ( generatedContents ) {
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nodeClass = ve.dm.modelRegistry.lookup( type );
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store = surfaceFragment.getDocument().getStore();
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hash = OO.getHash( [ nodeClass.static.getHashObjectForRendering( data[ 0 ] ), undefined ] );
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store.index( generatedContents, hash );
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}
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if ( range.isCollapsed() ) {
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surfaceFragment.insertContent( data );
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} else {
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// Generate a replacement transaction instead of using surfaceFragment.insertContent
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// (which generates a removal and insertion) as blanking a reference triggers T135127.
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// TODO: Once T135127 is fixed, revert to using surfaceFragment.insert.
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surfaceFragment.getSurface().change(
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ve.dm.TransactionBuilder.static.newFromReplacement( surfaceFragment.getDocument(), range, data )
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);
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}
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deferred.resolve();
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}
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if ( forceType ) {
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insertNode( forceType === 'inline' );
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} else {
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new mw.Api().post( {
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action: 'visualeditor',
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paction: 'parsefragment',
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page: ve.init.target.pageName,
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wikitext: baseNodeClass.static.getWikitext( this.getPlainObject() ),
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pst: 1
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} ).then( function ( response ) {
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var contentNodes;
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if ( ve.getProp( response, 'visualeditor', 'result' ) === 'success' ) {
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contentNodes = $.parseHTML( response.visualeditor.content, surfaceFragment.getDocument().getHtmlDocument() ) || [];
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contentNodes = ve.ce.MWTransclusionNode.static.filterRendering( contentNodes );
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insertNode(
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baseNodeClass.static.isHybridInline( contentNodes, ve.dm.converter ),
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contentNodes
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);
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} else {
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// Request failed - just assume inline
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insertNode( true );
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}
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}, function () {
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insertNode( true );
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} );
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}
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return deferred.promise();
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};
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/**
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* Update transclusion node in a document.
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*
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* @param {ve.dm.Surface} surfaceModel Surface model of main document
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* @param {ve.dm.MWTransclusionNode} node Transclusion node to update
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*/
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ve.dm.MWTransclusionModel.prototype.updateTransclusionNode = function ( surfaceModel, node ) {
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var obj = this.getPlainObject();
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if ( obj !== null ) {
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surfaceModel.getLinearFragment( node.getOuterRange(), true )
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.changeAttributes( { mw: obj } );
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} else {
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surfaceModel.getLinearFragment( node.getOuterRange(), true )
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.removeContent();
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}
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};
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/**
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* Load from transclusion data, and fetch spec from server.
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*
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* @param {Object} data Transclusion data
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* @return {jQuery.Promise} Promise, resolved when spec is loaded
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*/
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ve.dm.MWTransclusionModel.prototype.load = function ( data ) {
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var i, len, part, deferred,
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promises = [];
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// Convert single part format to multi-part format
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// Parsoid doesn't use this format any more, but we accept it for backwards compatibility
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if ( data.params && data.target ) {
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data = { parts: [ { template: data } ] };
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}
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if ( Array.isArray( data.parts ) ) {
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for ( i = 0, len = data.parts.length; i < len; i++ ) {
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part = data.parts[ i ];
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if ( part.template ) {
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deferred = $.Deferred();
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promises.push( deferred.promise() );
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this.queue.push( {
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add: ve.dm.MWTemplateModel.newFromData( this, part.template ),
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deferred: deferred
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} );
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} else if ( typeof part === 'string' ) {
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deferred = $.Deferred();
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promises.push( deferred.promise() );
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this.queue.push( {
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add: new ve.dm.MWTransclusionContentModel( this, part ),
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deferred: deferred
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} );
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}
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}
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setTimeout( this.fetch.bind( this ) );
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}
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return $.when.apply( $, promises );
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};
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/**
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* Process one or more queue items.
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*
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* @param {Object[]} queue List of objects containing parts to add and optionally indexes to add
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* them at, if no index is given parts will be added at the end
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* @fires replace For each item added
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* @fires change
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*/
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ve.dm.MWTransclusionModel.prototype.process = function ( queue ) {
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var i, len, item, title, index, remove, existing, resolveQueue = [];
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for ( i = 0, len = queue.length; i < len; i++ ) {
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remove = 0;
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item = queue[ i ];
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if ( item.add instanceof ve.dm.MWTemplateModel ) {
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title = item.add.getTitle();
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if ( hasOwn.call( specCache, title ) && specCache[ title ] ) {
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item.add.getSpec().extend( specCache[ title ] );
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}
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}
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// Use specified index
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index = item.index;
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// Auto-remove if already existing, preserving index
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existing = this.parts.indexOf( item.add );
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if ( existing !== -1 ) {
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this.removePart( item.add );
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if ( index && existing + 1 < index ) {
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index--;
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}
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}
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// Derive index from removal if given
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if ( index === undefined && item.remove ) {
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index = this.parts.indexOf( item.remove );
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if ( index !== -1 ) {
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remove = 1;
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}
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}
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// Use last index as a last resort
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if ( index === undefined || index === -1 ) {
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index = this.parts.length;
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}
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this.parts.splice( index, remove, item.add );
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if ( item.add ) {
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item.add.connect( this, { change: [ 'emit', 'change' ] } );
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}
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if ( item.remove ) {
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item.remove.disconnect( this );
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}
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this.emit( 'replace', item.remove || null, item.add );
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// Resolve promises
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if ( item.deferred ) {
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resolveQueue.push( item.deferred );
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}
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}
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this.emit( 'change' );
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// We need to go back and resolve the deferreds after emitting change.
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// Otherwise we get silly situations like a single change event being
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// guaranteed after the transclusion loaded promise gets resolved.
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for ( i = 0; i < resolveQueue.length; i++ ) {
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resolveQueue[ i ].resolve();
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}
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};
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/** */
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ve.dm.MWTransclusionModel.prototype.fetch = function () {
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var i, len, item, title, queue,
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templateNamespaceId = mw.config.get( 'wgNamespaceIds' ).template,
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titles = [],
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specs = {};
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if ( !this.queue.length ) {
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return;
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}
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queue = this.queue.slice();
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// Clear shared queue for future calls
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this.queue.length = 0;
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// Get unique list of template titles that aren't already loaded
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for ( i = 0, len = queue.length; i < len; i++ ) {
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item = queue[ i ];
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if ( item.add instanceof ve.dm.MWTemplateModel ) {
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title = item.add.getTitle();
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if (
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// Skip titles that don't have a resolvable href
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title &&
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// Skip titles outside the template namespace
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mw.Title.newFromText(
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title,
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templateNamespaceId
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).namespace === templateNamespaceId &&
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// Skip already cached data
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!hasOwn.call( specCache, title ) &&
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// Skip duplicate titles in the same batch
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titles.indexOf( title ) === -1
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) {
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titles.push( title );
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}
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}
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}
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// Bypass server for empty lists
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if ( !titles.length ) {
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setTimeout( this.process.bind( this, queue ) );
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return;
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}
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this.requests.push( this.fetchRequest( titles, specs, queue ) );
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};
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ve.dm.MWTransclusionModel.prototype.fetchRequest = function ( titles, specs, queue ) {
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var xhr = new mw.Api().get( {
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action: 'templatedata',
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titles: titles,
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lang: mw.config.get( 'wgUserLanguage' ),
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format: 'json',
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formatversion: '2',
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doNotIgnoreMissingTitles: '1',
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redirects: '1'
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} ).done( this.fetchRequestDone.bind( this, titles, specs ) );
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xhr.always( this.fetchRequestAlways.bind( this, queue, xhr ) );
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return xhr;
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};
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ve.dm.MWTransclusionModel.prototype.fetchRequestDone = function ( titles, specs, data ) {
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var i, len, id, title, missingTitle, aliasMap = [];
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if ( data && data.pages ) {
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// Keep spec data on hand for future use
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for ( id in data.pages ) {
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title = data.pages[ id ].title;
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if ( data.pages[ id ].missing ) {
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// Remmeber templates that don't exist in the link cache
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// { title: { missing: true|false }
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missingTitle = {};
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missingTitle[ title ] = { missing: true };
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ve.init.platform.linkCache.setMissing( missingTitle );
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} else if ( data.pages[ id ].notemplatedata ) {
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// Prevent asking again for templates that have no specs
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specs[ title ] = null;
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} else {
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specs[ title ] = data.pages[ id ];
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}
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}
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// Follow redirects
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if ( data.redirects ) {
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aliasMap = data.redirects;
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}
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// Follow MW's normalisation
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if ( data.normalized ) {
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ve.batchPush( aliasMap, data.normalized );
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}
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// Cross-reference aliased titles.
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for ( i = 0, len = aliasMap.length; i < len; i++ ) {
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// Only define the alias if the target exists, otherwise
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// we create a new property with an invalid "undefined" value.
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if ( hasOwn.call( specs, aliasMap[ i ].to ) ) {
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specs[ aliasMap[ i ].from ] = specs[ aliasMap[ i ].to ];
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}
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}
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ve.extendObject( specCache, specs );
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}
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};
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ve.dm.MWTransclusionModel.prototype.fetchRequestAlways = function ( queue, apiPromise ) {
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// Prune completed request
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var index = this.requests.indexOf( apiPromise );
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if ( index !== -1 ) {
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this.requests.splice( index, 1 );
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}
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// Actually add queued items
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this.process( queue );
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};
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/**
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* Abort any pending requests.
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*/
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ve.dm.MWTransclusionModel.prototype.abortRequests = function () {
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var i, len;
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for ( i = 0, len = this.requests.length; i < len; i++ ) {
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this.requests[ i ].abort();
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}
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this.requests.length = 0;
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};
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/**
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* Get plain object representation of template transclusion.
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*
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* @return {Object|null} Plain object representation, or null if empty
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*/
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ve.dm.MWTransclusionModel.prototype.getPlainObject = function () {
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var i, len, part, serialization,
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obj = { parts: [] };
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for ( i = 0, len = this.parts.length; i < len; i++ ) {
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part = this.parts[ i ];
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serialization = part.serialize();
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if ( serialization !== undefined && serialization !== '' ) {
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obj.parts.push( serialization );
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}
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}
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if ( obj.parts.length === 0 ) {
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return null;
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}
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return obj;
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};
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/**
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* Get the wikitext for this transclusion.
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*
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* @return {string} Wikitext like `{{foo|1=bar|baz=quux}}`
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*/
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ve.dm.MWTransclusionModel.prototype.getWikitext = function () {
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var i, len,
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wikitext = '';
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for ( i = 0, len = this.parts.length; i < len; i++ ) {
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wikitext += this.parts[ i ].getWikitext();
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}
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return wikitext;
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};
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/**
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* Get a unique ID for a part in the transclusion.
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*
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* This is used to give parts unique IDs, and returns a different value each time it's called.
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*
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* @return {number} Unique ID
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*/
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ve.dm.MWTransclusionModel.prototype.getUniquePartId = function () {
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return this.uid++;
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};
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/**
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* Replace part.
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*
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* Replace asynchronously.
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*
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* @param {ve.dm.MWTransclusionPartModel} remove Part to remove
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* @param {ve.dm.MWTransclusionPartModel} add Part to add
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* @throws {Error} If part to remove is not valid
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* @throws {Error} If part to add is not valid
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* @return {jQuery.Promise} Promise, resolved when part is added
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*/
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ve.dm.MWTransclusionModel.prototype.replacePart = function ( remove, add ) {
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var deferred = $.Deferred();
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if (
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!( remove instanceof ve.dm.MWTransclusionPartModel ) ||
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!( add instanceof ve.dm.MWTransclusionPartModel )
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) {
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throw new Error( 'Invalid transclusion part' );
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}
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this.queue.push( { remove: remove, add: add, deferred: deferred } );
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// Fetch on next yield to process items in the queue together, subsequent calls to fetch will
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// have no effect because the queue will be clear
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setTimeout( this.fetch.bind( this ) );
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return deferred.promise();
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};
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/**
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* Add part.
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*
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* Added asynchronously, but order is preserved.
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*
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* @param {ve.dm.MWTransclusionPartModel} part Part to add
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* @param {number} [index] Specific index to add content at, defaults to the end
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* @throws {Error} If part is not valid
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* @return {jQuery.Promise} Promise, resolved when part is added
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*/
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ve.dm.MWTransclusionModel.prototype.addPart = function ( part, index ) {
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var deferred = $.Deferred();
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if ( !( part instanceof ve.dm.MWTransclusionPartModel ) ) {
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throw new Error( 'Invalid transclusion part' );
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}
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this.queue.push( { add: part, index: index, deferred: deferred } );
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// Fetch on next yield to process items in the queue together, subsequent calls to fetch will
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// have no effect because the queue will be clear
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setTimeout( this.fetch.bind( this ) );
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return deferred.promise();
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};
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/**
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* Remove a part.
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*
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* @param {ve.dm.MWTransclusionPartModel} part Part to remove
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* @fires replace
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*/
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ve.dm.MWTransclusionModel.prototype.removePart = function ( part ) {
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var index = this.parts.indexOf( part );
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if ( index !== -1 ) {
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this.parts.splice( index, 1 );
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part.disconnect( this );
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this.emit( 'replace', part, null );
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}
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};
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/**
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* Get all parts.
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*
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* @return {ve.dm.MWTransclusionPartModel[]} Parts in transclusion
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*/
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ve.dm.MWTransclusionModel.prototype.getParts = function () {
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return this.parts;
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};
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/**
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* Get part by its ID.
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*
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* Matching is performed against the first section of the `id`, delimited by a '/'.
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*
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* @param {string} id Part ID
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* @return {ve.dm.MWTransclusionPartModel|null} Part with matching ID, if found
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*/
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ve.dm.MWTransclusionModel.prototype.getPartFromId = function ( id ) {
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var i, len,
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// For ids from ve.dm.MWParameterModel, compare against the part id
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// of the parameter instead of the entire model id (e.g. "part_1" instead of "part_1/foo").
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partId = id.split( '/' )[ 0 ];
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for ( i = 0, len = this.parts.length; i < len; i++ ) {
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if ( this.parts[ i ].getId() === partId ) {
|
|
return this.parts[ i ];
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
/**
|
|
* Get the index of a part or parameter.
|
|
*
|
|
* Indexes are linear depth-first addresses in the transclusion tree.
|
|
*
|
|
* @param {ve.dm.MWTransclusionPartModel|ve.dm.MWParameterModel} model Part or parameter
|
|
* @return {number} Page index of model
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.getIndex = function ( model ) {
|
|
var i, iLen, j, jLen, part, names,
|
|
parts = this.parts,
|
|
index = 0;
|
|
|
|
for ( i = 0, iLen = parts.length; i < iLen; i++ ) {
|
|
part = parts[ i ];
|
|
if ( part === model ) {
|
|
return index;
|
|
}
|
|
index++;
|
|
if ( part instanceof ve.dm.MWTemplateModel ) {
|
|
names = part.getParameterNames();
|
|
for ( j = 0, jLen = names.length; j < jLen; j++ ) {
|
|
if ( part.getParameter( names[ j ] ) === model ) {
|
|
return index;
|
|
}
|
|
index++;
|
|
}
|
|
}
|
|
}
|
|
return -1;
|
|
};
|
|
|
|
/*
|
|
* Add missing required and suggested parameters to each transclusion.
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.addPromptedParameters = function () {
|
|
var i;
|
|
for ( i = 0; i < this.parts.length; i++ ) {
|
|
this.parts[ i ].addPromptedParameters();
|
|
}
|
|
};
|
|
|
|
}() );
|