mediawiki-extensions-Visual.../modules/ve-mw/dm/nodes/ve.dm.MWReferenceListNode.js

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/*!
* VisualEditor DataModel MWReferenceListNode class.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* DataModel MediaWiki reference list node.
*
* @class
* @extends ve.dm.LeafNode
* @constructor
* @param {number} [length] Length of content data in document; ignored and overridden to 0
* @param {Object} [element] Reference to element in linear model
*/
ve.dm.MWReferenceListNode = function VeDmMWReferenceListNode( length, element ) {
// Parent constructor
ve.dm.LeafNode.call( this, 0, element );
};
/* Inheritance */
ve.inheritClass( ve.dm.MWReferenceListNode, ve.dm.LeafNode );
/* Static members */
ve.dm.MWReferenceListNode.static.name = 'mwReferenceList';
ve.dm.MWReferenceListNode.static.matchTagNames = null;
ve.dm.MWReferenceListNode.static.matchRdfaTypes = [ 'mw:Extension/references' ];
ve.dm.MWReferenceListNode.static.storeHtmlAttributes = false;
ve.dm.MWReferenceListNode.static.toDataElement = function ( domElements ) {
var mwDataJSON = domElements[0].getAttribute( 'data-mw' ),
mwData = mwDataJSON ? JSON.parse( mwDataJSON ) : {},
refGroup = mwData.attrs && mwData.attrs.group || '',
listGroup = 'mwReference/' + refGroup;
return {
'type': this.name,
'attributes': {
'mw': mwData,
'originalMw': mwDataJSON,
'about': domElements[0].getAttribute( 'about' ),
'domElements': ve.copyArray( domElements ),
'refGroup': refGroup,
'listGroup': listGroup
}
};
};
ve.dm.MWReferenceListNode.static.toDomElements = function ( dataElement, doc ) {
var el, els, mwData, originalMw,
attribs = dataElement.attributes;
if ( attribs.domElements ) {
// If there's more than 1 element, preserve entire array, not just first element
els = ve.copyDomElements( attribs.domElements, doc );
el = els[0];
} else {
el = doc.createElement( 'div' );
els = [ el ];
}
mwData = attribs.mw ? ve.copyObject( attribs.mw ) : {};
mwData.name = 'references';
if ( attribs.refGroup ) {
ve.setProp( mwData, 'attrs', 'group', attribs.refGroup );
} else if ( mwData.attrs ) {
delete mwData.attrs.refGroup;
}
if ( attribs.about ) {
el.setAttribute( 'about', attribs.about );
}
el.setAttribute( 'typeof', 'mw:Extension/references' );
// If mwData and originalMw are the same, use originalMw to prevent reserialization.
// Reserialization has the potential to reorder keys and so change the DOM unnecessarily
originalMw = attribs.originalMw;
if ( originalMw && ve.compare( mwData, JSON.parse( originalMw ) ) ) {
el.setAttribute( 'data-mw', originalMw );
} else {
el.setAttribute( 'data-mw', JSON.stringify( mwData ) );
}
return els;
};
/* Registration */
ve.dm.modelRegistry.register( ve.dm.MWReferenceListNode );