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* VisualEditor DataModel AlienNode class.
*
* @copyright See AUTHORS.txt
*/
/**
* DataModel alien node.
*
* @class
* @abstract
* @extends ve.dm.LeafNode
* @mixins ve.dm.FocusableNode
*
* @constructor
* @param {Object} [element] Reference to element in linear model
*/
ve.dm.AlienNode = function VeDmAlienNode() {
// Parent constructor
ve.dm.AlienNode.super.apply( this, arguments );
// Mixin constructor
ve.dm.FocusableNode.call( this );
};
/* Inheritance */
OO.inheritClass( ve.dm.AlienNode, ve.dm.LeafNode );
OO.mixinClass( ve.dm.AlienNode, ve.dm.FocusableNode );
/* Static members */
ve.dm.AlienNode.static.name = 'alien';
ve.dm.AlienNode.static.preserveHtmlAttributes = false;
ve.dm.AlienNode.static.enableAboutGrouping = true;
ve.dm.AlienNode.static.matchRdfaTypes = [ 've:Alien' ];
ve.dm.AlienNode.static.matchFunction = function () {
return true;
};
ve.dm.AlienNode.static.toDataElement = function ( domElements, converter ) {
var element;
if ( this.name !== 'alien' ) {
element = { type: this.name };
} else if ( domElements.length === 1 && [ 'td', 'th' ].indexOf( domElements[ 0 ].nodeName.toLowerCase() ) !== -1 ) {
var attributes = {};
ve.dm.TableCellableNode.static.setAttributes( attributes, domElements );
element = {
type: 'alienTableCell',
attributes: attributes
};
} else {
var isInline = this.isHybridInline( domElements, converter );
var type = isInline ? 'alienInline' : 'alienBlock';
element = { type: type };
}
return element;
};
ve.dm.AlienNode.static.toDomElements = function ( dataElement, doc, converter ) {
return ve.copyDomElements( converter.getStore().value( dataElement.originalDomElementsHash ) || [], doc );
};
/**
* @inheritdoc
*/
ve.dm.AlienNode.static.isDiffComparable = function ( element, other, elementStore, otherStore ) {
if ( element.type === other.type ) {
Iif ( element.originalDomElementsHash === other.originalDomElementsHash ) {
return true;
}
} else {
return false;
}
// HACK: We can't strip 'about' attributes before converting, as we need them
// for about grouping, but we should ignore them for diffing as they can be
// non-persistent in historical diffs.
function removeAboutAttributes( el ) {
Array.prototype.forEach.call( el.querySelectorAll( '[about]' ), function ( e ) {
e.removeAttribute( 'about' );
} );
}
// Deep copy DOM nodes from store
var elementOriginalDomElements = ve.copy( elementStore.value( element.originalDomElementsHash ) );
var otherOriginalDomElements = ve.copy( otherStore.value( other.originalDomElementsHash ) );
// Remove about attributes
elementOriginalDomElements.forEach( removeAboutAttributes );
otherOriginalDomElements.forEach( removeAboutAttributes );
// Compare DOM trees
return ve.compare(
ve.copy( elementOriginalDomElements, ve.convertDomElements ),
ve.copy( otherOriginalDomElements, ve.convertDomElements )
);
};
/**
* @inheritdoc
*/
ve.dm.AlienNode.static.getHashObject = function ( dataElement ) {
return {
type: dataElement.type,
// Some comparison methods ignore the originalDomElementsHash
// property. Rename it so it doesn't get ignored for alien nodes.
alienDomElementsHash: dataElement.originalDomElementsHash
};
};
/* Registration */
ve.dm.modelRegistry.register( ve.dm.AlienNode );
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