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/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
/**
* Contains UI features related to an editor instance.
* @constructor
* @param {CKEDITOR.editor} editor The editor instance.
* @example
*/
CKEDITOR.ui = function( editor )
{
if ( editor.ui )
return editor.ui;
/**
* Object used to hold private stuff.
* @private
*/
this._ =
{
handlers : {},
items : {},
editor : editor
};
return this;
};
// PACKAGER_RENAME( CKEDITOR.ui )
CKEDITOR.ui.prototype =
{
/**
* Adds a UI item to the items collection. These items can be later used in
* the interface.
* @param {String} name The UI item name.
* @param {Object} type The item type.
* @param {Object} definition The item definition. The properties of this
* object depend on the item type.
* @example
* // Add a new button named "MyBold".
* editorInstance.ui.add( 'MyBold', CKEDITOR.UI_BUTTON,
* {
* label : 'My Bold',
* command : 'bold'
* });
*/
add : function( name, type, definition )
{
this._.items[ name ] =
{
type : type,
// The name of {@link CKEDITOR.command} which associate with this UI.
command : definition.command || null,
args : Array.prototype.slice.call( arguments, 2 )
};
},
/**
* Gets a UI object.
* @param {String} name The UI item hame.
* @example
*/
create : function( name )
{
var item = this._.items[ name ],
handler = item && this._.handlers[ item.type ],
command = item && item.command && this._.editor.getCommand( item.command );
var result = handler && handler.create.apply( this, item.args );
// Allow overrides from skin ui definitions..
item && ( result = CKEDITOR.tools.extend( result, this._.editor.skin[ item.type ], true ) );
// Add reference inside command object.
if ( command )
command.uiItems.push( result );
return result;
},
/**
* Adds a handler for a UI item type. The handler is responsible for
* transforming UI item definitions in UI objects.
* @param {Object} type The item type.
* @param {Object} handler The handler definition.
* @example
*/
addHandler : function( type, handler )
{
this._.handlers[ type ] = handler;
}
};
CKEDITOR.event.implementOn( CKEDITOR.ui );
/**
* (Virtual Class) Do not call this constructor. This class is not really part
* of the API. It just illustrates the features of hanlder objects to be
* passed to the {@link CKEDITOR.ui.prototype.addHandler} function.
* @name CKEDITOR.ui.handlerDefinition
* @constructor
* @example
*/
/**
* Transforms an item definition into an UI item object.
* @name CKEDITOR.handlerDefinition.prototype.create
* @function
* @param {Object} definition The item definition.
* @example
* editorInstance.ui.addHandler( CKEDITOR.UI_BUTTON,
* {
* create : function( definition )
* {
* return new CKEDITOR.ui.button( definition );
* }
* });
*/
/**
* Internal event fired when a new UI element is ready
* @name CKEDITOR.ui#ready
* @event
* @param {Object} element The new element
*/
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