mediawiki-extensions-Math/modules/ve-math/ve.ce.MWMathNode.js

/*!
 * VisualEditor ContentEditable MWMathNode class.
 *
 * @copyright 2011-2015 VisualEditor Team and others; see AUTHORS.txt
 * @license The MIT License (MIT); see LICENSE.txt
 */

/*global ve, OO */

/**
 * ContentEditable MediaWiki math node.
 *
 * @class
 * @extends ve.ce.MWInlineExtensionNode
 *
 * @constructor
 * @param {ve.dm.MWMathNode} model Model to observe
 * @param {Object} [config] Configuration options
 */
ve.ce.MWMathNode = function VeCeMWMathNode() {
	// Parent constructor
	ve.ce.MWMathNode.super.apply( this, arguments );
};

/* Inheritance */

OO.inheritClass( ve.ce.MWMathNode, ve.ce.MWInlineExtensionNode );

/* Static Properties */

ve.ce.MWMathNode.static.name = 'mwMath';

ve.ce.MWMathNode.static.primaryCommandName = 'math';

/* Methods */

/**
 * @inheritdoc
 */
ve.ce.MWMathNode.prototype.onSetup = function () {
	// Parent method
	ve.ce.MWMathNode.super.prototype.onSetup.call( this );

	// DOM changes
	this.$element.addClass( 've-ce-mwMathNode' );
};

/**
 * @inheritdoc
 */
ve.ce.MWMathNode.prototype.afterRender = function () {
	var $img,
		node = this;

	$img = this.$element.filter( 'img.tex' );
	// Rerender after image load
	if ( $img.length ) {
		$img.on( 'load', function () {
			node.emit( 'rerender' );
		} );
	} else {
		// Passing an empty string, or using MathML, returns no image, so rerender immediately
		this.emit( 'rerender' );
	}
};

/* Registration */

ve.ce.nodeFactory.register( ve.ce.MWMathNode );