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/*!
* VisualEditor DataModel MWGalleryNode class.
*
* @copyright 2011-2020 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* DataModel MediaWiki gallery node.
*
* @class
* @extends ve.dm.BranchNode
* @mixins ve.dm.FocusableNode
*
* @constructor
* @param {Object} [element] Reference to element in linear model
*/
ve.dm.MWGalleryNode = function VeDmMWGalleryNode() {
// Parent constructor
ve.dm.MWGalleryNode.super.apply( this, arguments );
// Mixin constructors
ve.dm.FocusableNode.call( this );
};
/* Inheritance */
OO.inheritClass( ve.dm.MWGalleryNode, ve.dm.BranchNode );
OO.mixinClass( ve.dm.MWGalleryNode, ve.dm.FocusableNode );
/* Static members */
ve.dm.MWGalleryNode.static.name = 'mwGallery';
ve.dm.MWGalleryNode.static.matchRdfaTypes = [ 'mw:Extension/gallery' ];
ve.dm.MWGalleryNode.static.matchTagNames = [ 'ul' ];
ve.dm.MWGalleryNode.static.childNodeTypes = [ 'mwGalleryCaption', 'mwGalleryImage' ];
ve.dm.MWGalleryNode.static.disallowedAnnotationTypes = [ 'link' ];
ve.dm.MWGalleryNode.static.cloneElement = function () {
// Parent method
var clone = ve.dm.LeafNode.static.cloneElement.apply( this, arguments );
delete clone.attributes.originalMw;
return clone;
};
ve.dm.MWGalleryNode.static.getHashObject = function ( dataElement ) {
return {
type: dataElement.type,
mw: ve.copy( dataElement.attributes.mw )
};
};
ve.dm.MWGalleryNode.static.toDataElement = function ( domElements ) {
var mwDataJSON = domElements[ 0 ].getAttribute( 'data-mw' ),
mwData = mwDataJSON ? JSON.parse( mwDataJSON ) : {};
return {
type: this.name,
attributes: {
mw: mwData,
originalMw: mwDataJSON
}
};
};
ve.dm.MWGalleryNode.static.toDomElements = function ( data, doc ) {
var ul = doc.createElement( 'ul' );
// Build ul
ul.setAttribute( 'typeof', 'mw:Extension/gallery' );
ul.setAttribute( 'data-mw', JSON.stringify( data.attributes.mw ) );
return [ ul ];
};
ve.dm.MWGalleryNode.static.describeChanges = function ( attributeChanges, attributes, element ) {
// Only do a comparison on the 'mw.attrs' attribute
if ( attributeChanges.mw ) {
return ve.dm.MWGalleryNode.super.static.describeChanges.call(
this,
ve.ui.DiffElement.static.compareAttributes( attributeChanges.mw.from.attrs || {}, attributeChanges.mw.to.attrs || {} ),
attributes,
element
);
}
return [];
};
ve.dm.MWGalleryNode.static.describeChange = function ( key ) {
// Caption diff is shown in the DOM
if ( key === 'caption' ) {
return null;
}
// Parent method
return ve.dm.MWGalleryNode.super.static.describeChange.apply( this, arguments );
};
/* Methods */
ve.dm.MWGalleryNode.prototype.isDiffedAsDocument = function () {
return true;
};
/**
* Get the gallery's caption node.
*
* @return {ve.dm.MWImageCaptionNode|null} Caption node, if present
*/
ve.dm.MWGalleryNode.prototype.getCaptionNode = function () {
var node = this.children[ 0 ];
return node instanceof ve.dm.MWGalleryCaptionNode ? node : null;
};
/**
* Get the gallery's image nodes.
*
* @return {ve.dm.MWGalleryImageNode[]} Gallery image nodes (may be empty if none are present)
*/
ve.dm.MWGalleryNode.prototype.getImageNodes = function () {
var images = this.children.filter( function ( child ) {
return child instanceof ve.dm.MWGalleryImageNode;
} );
return images;
};
/* Registration */
ve.dm.modelRegistry.register( ve.dm.MWGalleryNode );
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