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

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/*!
* VisualEditor DataModel MWReferencesListNode class.
*
* @copyright 2011-2014 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* DataModel MediaWiki references list node.
*
* @class
* @extends ve.dm.BranchNode
*
* @constructor
* @param {Object} [element] Reference to element in linear model
* @param {ve.dm.Node[]} [children]
*/
ve.dm.MWReferencesListNode = function VeDmMWReferencesListNode() {
// Parent constructor
ve.dm.BranchNode.apply( this, arguments );
};
/* Inheritance */
OO.inheritClass( ve.dm.MWReferencesListNode, ve.dm.BranchNode );
/* Static members */
ve.dm.MWReferencesListNode.static.name = 'mwReferencesList';
ve.dm.MWReferencesListNode.static.handlesOwnChildren = true;
ve.dm.MWReferencesListNode.static.matchTagNames = null;
ve.dm.MWReferencesListNode.static.matchRdfaTypes = [ 'mw:Extension/references' ];
ve.dm.MWReferencesListNode.static.storeHtmlAttributes = false;
ve.dm.MWReferencesListNode.static.toDataElement = function ( domElements, converter ) {
var referencesListData, $contents, contentsData,
mwDataJSON = domElements[0].getAttribute( 'data-mw' ),
mwData = mwDataJSON ? JSON.parse( mwDataJSON ) : {},
refGroup = mwData.attrs && mwData.attrs.group || '',
listGroup = 'mwReference/' + refGroup;
referencesListData = {
'type': this.name,
'attributes': {
'mw': mwData,
'originalMw': mwDataJSON,
'domElements': ve.copy( domElements ),
'refGroup': refGroup,
'listGroup': listGroup
}
};
if ( mwData.body && mwData.body.html ) {
$contents = $( '<div>', domElements[0].ownerDocument ).append( mwData.body.html );
contentsData = converter.getDataFromDomClean( $contents[0] );
return [ referencesListData ].
concat( contentsData ).
concat( [ { 'type': '/' + this.name } ] );
} else {
return referencesListData;
}
};
ve.dm.MWReferencesListNode.static.toDomElements = function ( data, doc, converter ) {
var el, els, mwData, originalMw, wrapper, contentsHtml, originalHtml,
dataElement = data[0],
attribs = dataElement.attributes,
contentsData = data.slice( 1, -1 );
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.copy( attribs.mw ) : {};
mwData.name = 'references';
if ( attribs.refGroup ) {
ve.setProp( mwData, 'attrs', 'group', attribs.refGroup );
} else if ( mwData.attrs ) {
delete mwData.attrs.refGroup;
}
el.setAttribute( 'typeof', 'mw:Extension/references' );
if ( contentsData.length > 2 ) {
wrapper = doc.createElement( 'div' );
converter.getDomSubtreeFromData( data.slice( 1, -1 ), wrapper );
contentsHtml = $( wrapper ).html(); // Returns '' if wrapper is empty
originalHtml = ve.getProp( mwData, 'body', 'html' ) || '';
// Only set body.html if contentsHtml and originalHtml are actually different
if ( !$( '<div>' ).html( originalHtml ).get( 0 ).isEqualNode( wrapper ) ) {
ve.setProp( mwData, 'body', 'html', contentsHtml );
}
}
// 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.MWReferencesListNode );