mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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78 lines
1.9 KiB
JavaScript
78 lines
1.9 KiB
JavaScript
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/**
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* Generic node factory.
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*
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* @class
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* @extends {ve.NodeFactory}
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* @constructor
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*/
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ve.dm.NodeFactory = function() {
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// Inheritance
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ve.NodeFactory.call( this );
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};
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/* Methods */
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/**
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* Checks if a given node type can have child nodes.
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*
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* @param {String} type Node type
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* @returns {Boolean} The node can have children
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* @throws 'Unknown node type'
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*/
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ve.dm.NodeFactory.prototype.canNodeHaveChildren = function( type ) {
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if ( type in this.registry ) {
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return this.registry[type].rules.canHaveChildren;
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}
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throw 'Unknown node type: ' + type;
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};
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/**
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* Checks if a given node type can have grandchild nodes.
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*
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* @param {String} type Node type
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* @returns {Boolean} The node can have grandchildren
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* @throws 'Unknown node type'
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*/
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ve.dm.NodeFactory.prototype.canNodeHaveGrandchildren = function( type ) {
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if ( type in this.registry ) {
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return this.registry[type].rules.canHaveGrandchildren;
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}
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throw 'Unknown node type: ' + type;
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};
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/**
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* Gets a list of allowed child node types for a given node.
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*
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* @param {String} type Node type
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* @returns {String[]|null} List of node types allowed as children or null if any type is allowed
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* @throws 'Unknown node type'
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*/
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ve.dm.NodeFactory.prototype.getChildNodeTypes = function( type ) {
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if ( type in this.registry ) {
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return this.registry[type].rules.childNodeTypes;
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}
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throw 'Unknown node type: ' + type;
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};
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/**
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* Gets a list of allowed parent node types for a given node.
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*
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* @param {String} type Node type
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* @returns {String[]|null} List of node types allowed as parents or null if any type is allowed
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* @throws 'Unknown node type'
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*/
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ve.dm.NodeFactory.prototype.getParentNodeTypes = function( type ) {
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if ( type in this.registry ) {
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return this.registry[type].rules.parentNodeTypes;
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}
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throw 'Unknown node type: ' + type;
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};
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/* Inheritance */
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ve.extendClass( ve.dm.NodeFactory, ve.NodeFactory );
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/* Initialization */
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ve.dm.factory = new ve.dm.NodeFactory();
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