mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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120 lines
3.6 KiB
JavaScript
120 lines
3.6 KiB
JavaScript
/*!
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* VisualEditor DataModel MWReferenceListNode class.
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*
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* @copyright 2011-2014 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 reference list node.
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*
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* @class
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* @extends ve.dm.BranchNode
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* @constructor
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* @param {number} [length] Length of content data in document; ignored and overridden to 0
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* @param {Object} [element] Reference to element in linear model
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*/
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ve.dm.MWReferenceListNode = function VeDmMWReferenceListNode( length, element ) {
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// Parent constructor
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ve.dm.BranchNode.call( this, 0, element );
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};
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/* Inheritance */
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OO.inheritClass( ve.dm.MWReferenceListNode, ve.dm.BranchNode );
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/* Static members */
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ve.dm.MWReferenceListNode.static.name = 'mwReferenceList';
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ve.dm.MWReferenceListNode.static.handlesOwnChildren = true;
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ve.dm.MWReferenceListNode.static.matchTagNames = null;
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ve.dm.MWReferenceListNode.static.matchRdfaTypes = [ 'mw:Extension/references' ];
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ve.dm.MWReferenceListNode.static.storeHtmlAttributes = false;
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ve.dm.MWReferenceListNode.static.toDataElement = function ( domElements, converter ) {
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var referenceListData, $contents, contentsData,
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mwDataJSON = domElements[0].getAttribute( 'data-mw' ),
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mwData = mwDataJSON ? JSON.parse( mwDataJSON ) : {},
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refGroup = mwData.attrs && mwData.attrs.group || '',
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listGroup = 'mwReference/' + refGroup;
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referenceListData = {
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'type': this.name,
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'attributes': {
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'mw': mwData,
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'originalMw': mwDataJSON,
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'domElements': ve.copy( domElements ),
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'refGroup': refGroup,
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'listGroup': listGroup
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}
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};
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if ( mwData.body && mwData.body.html ) {
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$contents = $( '<div>', domElements[0].ownerDocument ).append( mwData.body.html );
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contentsData = converter.getDataFromDomClean( $contents[0] );
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return [ referenceListData ].
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concat( contentsData ).
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concat( [ { 'type': '/' + this.name } ] );
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} else {
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return referenceListData;
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}
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};
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ve.dm.MWReferenceListNode.static.toDomElements = function ( data, doc, converter ) {
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var el, els, mwData, originalMw, wrapper, contentsHtml, originalHtml,
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dataElement = data[0],
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attribs = dataElement.attributes,
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contentsData = data.slice( 1, -1 );
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if ( attribs.domElements ) {
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// If there's more than 1 element, preserve entire array, not just first element
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els = ve.copyDomElements( attribs.domElements, doc );
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el = els[0];
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} else {
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el = doc.createElement( 'div' );
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els = [ el ];
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}
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mwData = attribs.mw ? ve.copy( attribs.mw ) : {};
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mwData.name = 'references';
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if ( attribs.refGroup ) {
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ve.setProp( mwData, 'attrs', 'group', attribs.refGroup );
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} else if ( mwData.attrs ) {
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delete mwData.attrs.refGroup;
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}
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el.setAttribute( 'typeof', 'mw:Extension/references' );
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if ( contentsData.length > 2 ) {
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wrapper = doc.createElement( 'div' );
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converter.getDomSubtreeFromData( data.slice( 1, -1 ), wrapper );
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contentsHtml = $( wrapper ).html(); // Returns '' if wrapper is empty
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originalHtml = ve.getProp( mwData, 'body', 'html' ) || '';
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// Only set body.html if contentsHtml and originalHtml are actually different
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if ( !$( '<div>' ).html( originalHtml ).get( 0 ).isEqualNode( wrapper ) ) {
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ve.setProp( mwData, 'body', 'html', contentsHtml );
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}
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}
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// If mwData and originalMw are the same, use originalMw to prevent reserialization.
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// Reserialization has the potential to reorder keys and so change the DOM unnecessarily
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originalMw = attribs.originalMw;
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if ( originalMw && ve.compare( mwData, JSON.parse( originalMw ) ) ) {
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el.setAttribute( 'data-mw', originalMw );
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} else {
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el.setAttribute( 'data-mw', JSON.stringify( mwData ) );
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}
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return els;
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};
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/* Registration */
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ve.dm.modelRegistry.register( ve.dm.MWReferenceListNode );
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