mediawiki-extensions-Visual.../modules/ve2/ce/nodes/ve.ce.ImageNode.js
Trevor Parscal 1798a478e7 Massive refactor of node trees, generalizing lots of previously dm only stuff
Change-Id: I9dbb7094f86338ea2e725ad29f66e9e4ca2b52ed
2012-05-09 21:11:09 -07:00

60 lines
1.1 KiB
JavaScript

/**
* ContentEditable node for an image.
*
* @class
* @constructor
* @extends {ve.ce.LeafNode}
* @param model {ve.dm.ImageNode} Model to observe
*/
ve.ce.ImageNode = function( model ) {
// Inheritance
ve.ce.LeafNode.call( this, 'image', model, $( '<img>' ) );
// Properties
this.currentSource = null;
// Events
this.model.addListenerMethod( this, 'update', 'onUpdate' );
// Intialization
this.onUpdate();
};
/* Static Members */
/**
* Node rules.
*
* @see ve.ce.NodeFactory
* @static
* @member
*/
ve.ce.ImageNode.rules = {
'canBeSplit': false
};
/* Methods */
/**
* Responds to model update events.
*
* If the source changed since last update the image's src attribute will be updated accordingly.
*
* @method
*/
ve.ce.ImageNode.prototype.onUpdate = function() {
var source = this.model.getAttribute( 'html/src' );
if ( source !== this.currentSource ) {
this.currentSource = source;
this.$.attr( 'src', source );
}
};
/* Registration */
ve.ce.factory.register( 'image', ve.ce.ImageNode );
/* Inheritance */
ve.extendClass( ve.ce.ImageNode, ve.ce.LeafNode );