mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-12-21 10:33:05 +00:00
c8af207681
.test() is the dedicated syntax for a boolean "does match? yes/no?" check. .match() returns an array of matches, or null. This is just not needed in these situations. Change-Id: Ibb996ab843d1a6c7d7af98d6a112990665d543b2
495 lines
15 KiB
JavaScript
495 lines
15 KiB
JavaScript
/*!
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* VisualEditor DataModel MWTransclusionNode class.
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*
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* @copyright 2011-2020 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/**
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* DataModel MediaWiki transclusion node.
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*
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* @class
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* @abstract
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* @extends ve.dm.LeafNode
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* @mixins ve.dm.GeneratedContentNode
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* @mixins ve.dm.FocusableNode
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*
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* @constructor
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* @param {Object} [element] Reference to element in linear model
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*/
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ve.dm.MWTransclusionNode = function VeDmMWTransclusionNode() {
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// Parent constructor
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ve.dm.MWTransclusionNode.super.apply( this, arguments );
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// Mixin constructors
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ve.dm.GeneratedContentNode.call( this );
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ve.dm.FocusableNode.call( this );
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// Properties
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this.partsList = null;
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// Events
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this.connect( this, { attributeChange: 'onAttributeChange' } );
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};
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/* Inheritance */
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OO.inheritClass( ve.dm.MWTransclusionNode, ve.dm.LeafNode );
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OO.mixinClass( ve.dm.MWTransclusionNode, ve.dm.GeneratedContentNode );
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OO.mixinClass( ve.dm.MWTransclusionNode, ve.dm.FocusableNode );
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/* Static members */
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ve.dm.MWTransclusionNode.static.name = 'mwTransclusion';
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ve.dm.MWTransclusionNode.static.matchTagNames = null;
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ve.dm.MWTransclusionNode.static.matchRdfaTypes = [ 'mw:Transclusion' ];
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// Transclusion nodes can contain other types, e.g. mw:PageProp/Category.
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// Allow all other types (null) so they match to this node.
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ve.dm.MWTransclusionNode.static.allowedRdfaTypes = null;
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// HACK: This prevents any rules with higher specificity from matching,
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// e.g. LanguageAnnotation which uses a match function
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ve.dm.MWTransclusionNode.static.matchFunction = function () {
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return true;
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};
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ve.dm.MWTransclusionNode.static.enableAboutGrouping = true;
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// We handle rendering ourselves, no need to render attributes from originalDomElements (T207325),
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// except for data-parsoid/RESTBase ID (T207325)
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ve.dm.MWTransclusionNode.static.preserveHtmlAttributes = function ( attribute ) {
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return [ 'data-parsoid', 'id' ].indexOf( attribute ) !== -1;
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};
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ve.dm.MWTransclusionNode.static.getHashObject = function ( dataElement ) {
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return {
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type: dataElement.type,
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mw: dataElement.attributes.mw
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};
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};
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ve.dm.MWTransclusionNode.static.isDiffComparable = function ( element, other ) {
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function getTemplateNames( parts ) {
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return parts.map( function ( part ) {
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return part.template ? part.template.target.wt : '';
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} ).join( '|' );
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}
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return ve.dm.MWTransclusionNode.super.static.isDiffComparable.call( this, element, other ) &&
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getTemplateNames( element.attributes.mw.parts ) === getTemplateNames( other.attributes.mw.parts );
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};
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/**
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* Node type to use when the transclusion is inline
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*
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* @static
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* @property {string}
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* @inheritable
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*/
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ve.dm.MWTransclusionNode.static.inlineType = 'mwTransclusionInline';
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/**
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* Node type to use when the transclusion is a block
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*
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* @static
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* @property {string}
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* @inheritable
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*/
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ve.dm.MWTransclusionNode.static.blockType = 'mwTransclusionBlock';
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/**
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* Node type to use when the transclusion is cellable
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*
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* @static
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* @property {string}
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* @inheritable
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*/
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ve.dm.MWTransclusionNode.static.cellType = 'mwTransclusionTableCell';
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ve.dm.MWTransclusionNode.static.toDataElement = function ( domElements, converter ) {
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var mwDataJSON = domElements[ 0 ].getAttribute( 'data-mw' ),
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mwData = mwDataJSON ? JSON.parse( mwDataJSON ) : {},
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isInline = this.isHybridInline( domElements, converter ),
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type = isInline ? this.inlineType : this.blockType;
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var dataElement = {
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type: type,
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attributes: {
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mw: mwData,
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originalMw: mwDataJSON
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}
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};
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if ( domElements.length === 1 && [ 'td', 'th' ].indexOf( domElements[ 0 ].nodeName.toLowerCase() ) !== -1 ) {
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dataElement.type = this.cellType;
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ve.dm.TableCellableNode.static.setAttributes( dataElement.attributes, domElements );
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}
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if ( !domElements[ 0 ].getAttribute( 'data-ve-no-generated-contents' ) ) {
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this.storeGeneratedContents( dataElement, domElements, converter.getStore() );
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}
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return dataElement;
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};
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ve.dm.MWTransclusionNode.static.toDomElements = function ( dataElement, doc, converter ) {
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var store = converter.getStore(),
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originalMw = dataElement.attributes.originalMw,
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originalDomElements = store.value( dataElement.originalDomElementsHash );
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function wrapTextNode( node ) {
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if ( node.nodeType === Node.TEXT_NODE ) {
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var wrapper = doc.createElement( 'span' );
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wrapper.appendChild( node );
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return wrapper;
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}
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return node;
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}
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var els;
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// If the transclusion is unchanged just send back the
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// original DOM elements so selser can skip over it
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if (
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originalDomElements &&
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originalMw && ve.compare( dataElement.attributes.mw, JSON.parse( originalMw ) )
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) {
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// originalDomElements is also used for CE rendering so return a copy
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els = ve.copyDomElements( originalDomElements, doc );
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} else {
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var value;
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if (
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converter.doesModeNeedRendering() &&
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// Use getHashObjectForRendering to get the rendering from the store
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( value = store.value( store.hashOfValue( null, OO.getHash( [ this.getHashObjectForRendering( dataElement ), undefined ] ) ) ) )
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) {
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// For the clipboard use the current DOM contents so the user has something
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// meaningful to paste into external applications
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els = ve.copyDomElements( value, doc );
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els[ 0 ] = wrapTextNode( els[ 0 ] );
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} else if ( originalDomElements ) {
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els = [ doc.createElement( originalDomElements[ 0 ].nodeName ) ];
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} else if ( dataElement.type === this.cellType ) {
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els = [ doc.createElement( dataElement.attributes.style === 'header' ? 'th' : 'td' ) ];
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} else {
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els = [ doc.createElement( 'span' ) ];
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}
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// All we need to send back to Parsoid is the original transclusion marker, with a
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// reconstructed data-mw property.
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els[ 0 ].setAttribute( 'typeof', 'mw:Transclusion' );
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els[ 0 ].setAttribute( 'data-mw', JSON.stringify( dataElement.attributes.mw ) );
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}
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if ( converter.isForClipboard() ) {
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// If the first element is a <link>, <meta> or <style> tag, e.g. a category or TemplateStyles,
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// ensure it is not destroyed by copy-paste by replacing it with a span
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if ( els[ 0 ].tagName === 'LINK' || els[ 0 ].tagName === 'META' || els[ 0 ].tagName === 'STYLE' ) {
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var span = doc.createElement( 'span' );
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span.setAttribute( 'typeof', 'mw:Transclusion' );
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span.setAttribute( 'data-mw', els[ 0 ].getAttribute( 'data-mw' ) );
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els[ 0 ] = span;
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}
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// Empty spans can get thrown around by Chrome when pasting, so give them a space
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if ( els[ 0 ].innerHTML === '' ) {
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els[ 0 ].appendChild( doc.createTextNode( '\u00a0' ) );
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}
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// Mark the data-mw element as not having valid generated contents with it in case it is
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// inserted into another editor (e.g. via paste).
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els[ 0 ].setAttribute( 'data-ve-no-generated-contents', true );
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// ... and mark all but the first child as ignorable
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for ( var i = 1; i < els.length; i++ ) {
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// Wrap plain text nodes so we can give them an attribute
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els[ i ] = wrapTextNode( els[ i ] );
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els[ i ].setAttribute( 'data-ve-ignore', 'true' );
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}
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} else if ( converter.isForPreview() ) {
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var modelNode = ve.dm.nodeFactory.createFromElement( dataElement );
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modelNode.setDocument( converter.internalList.getDocument() );
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var viewNode = ve.ce.nodeFactory.createFromModel( modelNode );
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if ( !viewNode.hasRendering() ) {
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viewNode.onSetup();
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// HACK: Force the icon to render immediately
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viewNode.updateInvisibleIconSync( true );
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els = viewNode.$element.toArray();
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viewNode.destroy();
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return els;
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}
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}
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return els;
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};
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ve.dm.MWTransclusionNode.static.describeChanges = function ( attributeChanges ) {
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var descriptions = [ ve.msg( 'visualeditor-changedesc-mwtransclusion' ) ];
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// This method assumes that the behavior of isDiffComparable above remains
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// the same, so it doesn't have to consider whether the actual template
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// involved has changed.
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function getLabel( par ) {
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// If a parameter is an object with a wt key, we just want the value of that.
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if ( par && par.wt !== undefined ) {
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// Can be `''`, and we're okay with that
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return par.wt;
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}
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return par;
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}
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if ( attributeChanges.mw.from.parts.length === 1 && attributeChanges.mw.to.parts.length === 1 ) {
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// Single-template transclusion, before and after. Relatively easy to summarize.
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// TODO: expand this to well-represent transclusions that contain multiple templates.
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// The bits of a template we care about are deeply-nested inside an
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// attribute. We'll restructure this so that we can pretend template
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// params are the direct attributes of the template.
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var params = {};
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var param;
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for ( param in attributeChanges.mw.from.parts[ 0 ].template.params ) {
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params[ param ] = { from: getLabel( attributeChanges.mw.from.parts[ 0 ].template.params[ param ] ) };
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}
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for ( param in attributeChanges.mw.to.parts[ 0 ].template.params ) {
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params[ param ] = ve.extendObject(
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{ to: getLabel( attributeChanges.mw.to.parts[ 0 ].template.params[ param ] ) },
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params[ param ]
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);
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}
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var paramChanges;
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for ( param in params ) {
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// All we know is that *something* changed, without the normal
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// helpful just-being-given-the-changed-bits, so we have to filter
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// this ourselves.
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// Trim string values, and convert empty strings to undefined
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var from = ( params[ param ].from || '' ).trim() || undefined,
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to = ( params[ param ].to || '' ).trim() || undefined;
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if ( from !== to ) {
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var change = this.describeChange( param, { from: from, to: to } );
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if ( change ) {
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if ( !paramChanges ) {
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paramChanges = document.createElement( 'ul' );
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descriptions.push( paramChanges );
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}
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var listItem = document.createElement( 'li' );
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if ( typeof change === 'string' ) {
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listItem.appendChild( document.createTextNode( change ) );
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} else {
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// eslint-disable-next-line no-loop-func
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change.forEach( function ( node ) {
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listItem.appendChild( node );
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} );
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}
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paramChanges.appendChild( listItem );
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}
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}
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}
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}
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return descriptions;
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};
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/**
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* @inheritdoc ve.dm.Node
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*/
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ve.dm.MWTransclusionNode.static.cloneElement = function () {
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// Parent method
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var clone = ve.dm.MWTransclusionNode.super.static.cloneElement.apply( this, arguments );
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delete clone.attributes.originalMw;
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return clone;
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};
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/**
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* Escape a template parameter. Helper function for #getWikitext.
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*
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* @static
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* @param {string} param Parameter value
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* @return {string} Escaped parameter value
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*/
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ve.dm.MWTransclusionNode.static.escapeParameter = function ( param ) {
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var input = param,
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output = '',
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inNowiki = false,
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bracketStack = 0,
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linkStack = 0;
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while ( input.length > 0 ) {
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var match = input.match( /(?:\[\[)|(?:\]\])|(?:\{\{)|(?:\}\})|\|+|<\/?nowiki>|<nowiki\s*\/>/ );
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if ( !match ) {
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output += input;
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break;
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}
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output += input.slice( 0, match.index );
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input = input.slice( match.index + match[ 0 ].length );
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if ( inNowiki ) {
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if ( match[ 0 ] === '</nowiki>' ) {
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inNowiki = false;
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}
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output += match[ 0 ];
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} else {
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var needsNowiki = true;
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if ( match[ 0 ] === '<nowiki>' ) {
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inNowiki = true;
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needsNowiki = false;
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} else if ( match[ 0 ] === '</nowiki>' || /<nowiki\s*\/>/.test( match[ 0 ] ) ) {
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needsNowiki = false;
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} else if ( /(?:\[\[)/.test( match[ 0 ] ) ) {
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linkStack++;
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needsNowiki = false;
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} else if ( /(?:\]\])/.test( match[ 0 ] ) ) {
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if ( linkStack > 0 ) {
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linkStack--;
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needsNowiki = false;
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}
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} else if ( /(?:\{\{)/.test( match[ 0 ] ) ) {
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bracketStack++;
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needsNowiki = false;
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} else if ( /(?:\}\})/.test( match[ 0 ] ) ) {
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if ( bracketStack > 0 ) {
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bracketStack--;
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needsNowiki = false;
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}
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} else if ( /\|+/.test( match[ 0 ] ) ) {
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if ( bracketStack > 0 || linkStack > 0 ) {
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needsNowiki = false;
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}
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}
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if ( needsNowiki ) {
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output += '<nowiki>' + match[ 0 ] + '</nowiki>';
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} else {
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output += match[ 0 ];
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}
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}
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}
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return output;
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};
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/**
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* Recreate the wikitext for this transclusion, possibly containing multiple template invocations,
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* mixed with raw wikitext snippets.
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*
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* @static
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* @param {Object} content MW data content
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* @return {string} Wikitext
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*/
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ve.dm.MWTransclusionNode.static.getWikitext = function ( content ) {
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var wikitext = '';
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// Normalize to multi template format
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if ( content.params ) {
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content = { parts: [ { template: content } ] };
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}
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// Build wikitext from content
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for ( var i = 0, len = content.parts.length; i < len; i++ ) {
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var part = content.parts[ i ];
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if ( part.template ) {
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// Template
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var template = part.template;
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wikitext += '{{' + template.target.wt;
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for ( var param in template.params ) {
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wikitext += '|' + param + '=' +
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this.escapeParameter( template.params[ param ].wt );
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}
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wikitext += '}}';
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} else {
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// Plain wikitext
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wikitext += part;
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}
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}
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return wikitext;
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};
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/* Methods */
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/**
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* Handle attribute change events.
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*
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* @param {string} key Attribute key
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* @param {string} from Old value
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* @param {string} to New value
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*/
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ve.dm.MWTransclusionNode.prototype.onAttributeChange = function ( key ) {
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if ( key === 'mw' ) {
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this.partsList = null;
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}
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};
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/**
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* Check if transclusion contains only a single template.
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*
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* @param {string|string[]} [allowedTemplates] Names of templates to allow, omit to allow any template name
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* @return {boolean} Transclusion only contains a single template, which is one of the ones in templates
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*/
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ve.dm.MWTransclusionNode.prototype.isSingleTemplate = function ( allowedTemplates ) {
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var templateNS = mw.config.get( 'wgNamespaceIds' ).template,
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parts = this.getPartsList();
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function normalizeTemplateTitle( name ) {
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var title = mw.Title.newFromText( name, templateNS );
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return title ? title.getPrefixedText() : name;
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}
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// Bail out as early as possible when no filter is given, or it's not a single part anyway
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var isSingle = parts.length === 1;
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if ( !isSingle || !allowedTemplates ) {
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return isSingle;
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}
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var singlePart = parts[ 0 ];
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// It's not a template but e.g. a parser function or raw wikitext content
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if ( !singlePart.templatePage ) {
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return false;
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}
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if ( typeof allowedTemplates === 'string' ) {
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allowedTemplates = [ allowedTemplates ];
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}
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return allowedTemplates.some( function ( template ) {
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return singlePart.templatePage === normalizeTemplateTitle( template );
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} );
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};
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/**
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* Get a simplified description of the transclusion's parts.
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*
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* @return {Object[]} List of objects with either template or content properties
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*/
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ve.dm.MWTransclusionNode.prototype.getPartsList = function () {
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if ( !this.partsList ) {
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this.partsList = [];
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var content = this.getAttribute( 'mw' );
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for ( var i = 0; i < content.parts.length; i++ ) {
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var part = content.parts[ i ];
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// A template as serialized by {@see ve.dm.MWTemplateModel.serialize}
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if ( part.template ) {
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var href = part.template.target.href,
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page = href ? mw.libs.ve.normalizeParsoidResourceName( href ) : null;
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this.partsList.push( {
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template: part.template.target.wt,
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templatePage: page
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} );
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} else {
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// Raw wikitext as serialized by {@see ve.dm.MWTransclusionContentModel.serialize}
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this.partsList.push( { content: part } );
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}
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}
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}
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return this.partsList;
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};
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/**
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* Wrapper for static method, {@see ve.dm.MWTransclusionNode.static.getWikitext} above.
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*
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* @return {string} Wikitext
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*/
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ve.dm.MWTransclusionNode.prototype.getWikitext = function () {
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return this.constructor.static.getWikitext( this.getAttribute( 'mw' ) );
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};
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/* Registration */
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ve.dm.modelRegistry.register( ve.dm.MWTransclusionNode );
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