mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-16 02:51:50 +00:00
443c5438ab
* Now ve.Factory inherits from the more general ve.Registry * New class ve.CommandRegistry * Refactored setupToolbar and command setup code into setupComands Change-Id: Ic548e5de95b77889727362d3e66d7be83c12a603
77 lines
2.2 KiB
JavaScript
77 lines
2.2 KiB
JavaScript
/**
|
|
* VisualEditor Factory class.
|
|
*
|
|
* @copyright 2011-2012 VisualEditor Team and others; see AUTHORS.txt
|
|
* @license The MIT License (MIT); see LICENSE.txt
|
|
*/
|
|
|
|
/**
|
|
* Generic object factory.
|
|
*
|
|
* @class
|
|
* @abstract
|
|
* @constructor
|
|
* @extends {ve.Registry}
|
|
*/
|
|
ve.Factory = function VeFactory() {
|
|
// Parent constructor
|
|
ve.Registry.call( this );
|
|
|
|
// Properties
|
|
this.registry = [];
|
|
};
|
|
|
|
/* Inheritance */
|
|
|
|
ve.inheritClass( ve.Factory, ve.Registry );
|
|
|
|
/* Methods */
|
|
|
|
/**
|
|
* Register a constructor with the factory.
|
|
*
|
|
* @method
|
|
* @param {String|String[]} name Symbolic name or list of symbolic names
|
|
* @param {Function} constructor Constructor to use when creating object
|
|
* @throws 'constructor must be a function'
|
|
*/
|
|
ve.Factory.prototype.register = function ( name, constructor ) {
|
|
if ( typeof constructor !== 'function' ) {
|
|
throw new Error( 'constructor must be a function, cannot be a ' + typeof constructor );
|
|
}
|
|
ve.Registry.prototype.register.call( this, name, constructor );
|
|
};
|
|
|
|
/**
|
|
* Create an object based on a name.
|
|
*
|
|
* Name is used to look up the constructor to use, while all additional arguments are passed to the
|
|
* constructor directly, so leaving one out will pass an undefined to the constructor.
|
|
*
|
|
* @method
|
|
* @param {string} name Object name.
|
|
* @param {mixed} [...] Arguments to pass to the constructor.
|
|
* @returns {Object} The new object.
|
|
* @throws 'Unknown object name'
|
|
*/
|
|
ve.Factory.prototype.create = function ( name ) {
|
|
var args, obj,
|
|
constructor = this.registry[name];
|
|
|
|
if ( constructor === undefined ) {
|
|
throw new Error( 'No class registered by that name: ' + name );
|
|
}
|
|
|
|
// Convert arguments to array and shift the first argument (name) off
|
|
args = Array.prototype.slice.call( arguments, 1 );
|
|
|
|
// We can't use the "new" operator with .apply directly because apply needs a
|
|
// context. So instead just do what "new" does: create an object that inherits from
|
|
// the constructor's prototype (which also makes it an "instanceof" the constructor),
|
|
// then invoke the constructor with the object as context, and return it (ignoring
|
|
// the constructor's return value).
|
|
obj = ve.createObject( constructor.prototype );
|
|
constructor.apply( obj, args );
|
|
return obj;
|
|
};
|