mediawiki-extensions-Visual.../modules/ve2/dm/ve.dm.NodeFactory.js
Trevor Parscal a667425874 Moved canHaveChildren and canHaveGrandchildren back to ve.NodeFactory
This is generally useful information, not only for dm

Change-Id: I9511467285e9594b4a7aa659bf65bb0417da25a1
2012-04-30 16:25:44 -07:00

50 lines
1.2 KiB
JavaScript

/**
* DataModel node factory.
*
* @class
* @extends {ve.NodeFactory}
* @constructor
*/
ve.dm.NodeFactory = function() {
// Inheritance
ve.NodeFactory.call( this );
};
/* Methods */
/**
* Gets a list of allowed child node types for a given node.
*
* @param {String} type Node type
* @returns {String[]|null} List of node types allowed as children or null if any type is allowed
* @throws 'Unknown node type'
*/
ve.dm.NodeFactory.prototype.getChildNodeTypes = function( type ) {
if ( type in this.registry ) {
return this.registry[type].rules.childNodeTypes;
}
throw 'Unknown node type: ' + type;
};
/**
* Gets a list of allowed parent node types for a given node.
*
* @param {String} type Node type
* @returns {String[]|null} List of node types allowed as parents or null if any type is allowed
* @throws 'Unknown node type'
*/
ve.dm.NodeFactory.prototype.getParentNodeTypes = function( type ) {
if ( type in this.registry ) {
return this.registry[type].rules.parentNodeTypes;
}
throw 'Unknown node type: ' + type;
};
/* Inheritance */
ve.extendClass( ve.dm.NodeFactory, ve.NodeFactory );
/* Initialization */
ve.dm.factory = new ve.dm.NodeFactory();