mediawiki-extensions-Visual.../modules/ve2/ce/ve.ce.Node.js
Inez Korczynski 41a7451ea2 Store reference to view node (ve.ce.Node) in jQuery data of it's wrapper
Change-Id: I84920b20346b4ef5e1203d834bf4c3fb9657ae69
2012-05-09 22:43:46 -07:00

133 lines
2.6 KiB
JavaScript

/**
* Generic ContentEditable node.
*
* @class
* @abstract
* @constructor
* @extends {ve.Node}
* @param {String} type Symbolic name of node type
* @param {ve.dm.Node} model Model to observe
* @param {jQuery} [$element] Element to use as a container
*/
ve.ce.Node = function( type, model, $element ) {
// Inheritance
ve.Node.call( this, type );
// Properties
this.model = model;
this.$ = $element || $( '<div></div>' );
this.parent = null;
this.$.data( 'node', this );
};
/* Methods */
/**
* Checks if model is for a node that can have children.
*
* This method passes through to the model.
*
* @method
* @returns {Boolean} Model node can have children
*/
ve.ce.Node.prototype.canHaveChildren = function() {
return this.model.canHaveChildren();
};
/**
* Checks if model is for a node that can have grandchildren.
*
* This method passes through to the model.
*
* @method
* @returns {Boolean} Model node can have grandchildren
*/
ve.ce.Node.prototype.canHaveGrandchildren = function() {
return this.model.canHaveGrandchildren();
};
/**
* Checks if model is for a wrapped element.
*
* This method passes through to the model.
*
* @method
* @returns {Boolean} Model node is a wrapped element
*/
ve.ce.Node.prototype.isWrapped = function() {
return this.model.isWrapped();
};
/**
* Gets model length.
*
* This method passes through to the model.
*
* @method
* @returns {Integer} Model length
*/
ve.ce.Node.prototype.getLength = function() {
return this.model.getLength();
};
/**
* Gets model outer length.
*
* This method passes through to the model.
*
* @method
* @returns {Integer} Model outer length
*/
ve.ce.Node.prototype.getOuterLength = function() {
return this.model.getOuterLength();
};
/**
* Checks if this node can be split.
*
* @method
* @returns {Boolean} Node can be split
*/
ve.ce.Node.prototype.canBeSplit = function() {
return ve.ce.factory.canBeSplit( this.type );
};
/**
* Gets a reference to the model this node observes.
*
* @method
* @returns {ve.dm.Node} Reference to the model this node observes
*/
ve.ce.Node.prototype.getModel = function() {
return this.model;
};
/**
* Attaches node as a child to another node.
*
* @method
* @param {ve.ce.Node} parent Node to attach to
* @emits attach (parent)
*/
ve.ce.Node.prototype.attach = function( parent ) {
this.parent = parent;
this.emit( 'attach', parent );
};
/**
* Detaches node from it's parent.
*
* @method
* @emits detach (parent)
*/
ve.ce.Node.prototype.detach = function() {
var parent = this.parent;
this.parent = null;
this.emit( 'detach', parent );
};
/* Inheritance */
ve.extendClass( ve.ce.Node, ve.Node );