mediawiki-extensions-Visual.../modules/ve/ui/ve.ui.WindowSet.js
Trevor Parscal 6018e77d70 Use OO.EventEmitter instead of ve.EventEmitter
Change-Id: Ie35e5f51a8d3c0d7f4fa46230b7b37112df610b9
2013-10-22 16:57:33 +00:00

149 lines
3.2 KiB
JavaScript

/*!
* VisualEditor UserInterface WindowSet class.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* UserInterface window set.
*
* @class
* @extends ve.Element
* @mixins OO.EventEmitter
*
* @constructor
* @param {ve.Factory} factory Window factory
* @param {Object} [config] Configuration options
*/
ve.ui.WindowSet = function VeUiWindowSet( factory, config ) {
// Parent constructor
ve.Element.call( this, config );
// Mixin constructors
OO.EventEmitter.call( this );
// Properties
this.factory = factory;
this.windows = {};
this.currentWindow = null;
// Initialization
this.$.addClass( 've-ui-windowSet' );
};
/* Inheritance */
OO.inheritClass( ve.ui.WindowSet, ve.Element );
OO.mixinClass( ve.ui.WindowSet, OO.EventEmitter );
/* Events */
/**
* @event setup
* @param {ve.ui.Window} win Window that's been setup
*/
/**
* @event open
* @param {ve.ui.Window} win Window that's been opened
*/
/**
* @event close
* @param {ve.ui.Window} win Window that's been closed
* @param {string} action Action that caused the window to be closed
*/
/* Methods */
/**
* Handle a window being setup.
*
* @method
* @param {ve.ui.Window} win Window that's been setup
* @emits setup
*/
ve.ui.WindowSet.prototype.onWindowSetup = function ( win ) {
this.emit( 'setup', win );
};
/**
* Handle a window being opened.
*
* @method
* @param {ve.ui.Window} win Window that's been opened
* @emits open
*/
ve.ui.WindowSet.prototype.onWindowOpen = function ( win ) {
this.currentWindow = win;
this.emit( 'open', win );
};
/**
* Handle a window being closed.
*
* @method
* @param {ve.ui.Window} win Window that's been opened
* @param {boolean} accept Changes have been accepted
* @emits close
*/
ve.ui.WindowSet.prototype.onWindowClose = function ( win, accept ) {
this.currentWindow = null;
this.emit( 'close', win, accept );
};
/**
* Get the current window.
*
* @method
* @returns {ve.ui.Window} Current window
*/
ve.ui.WindowSet.prototype.getCurrent = function () {
return this.currentWindow;
};
/**
* Return a given window.
*
* @param {string} name Symbolic name of window
* @param {Object} [config] Configuration options to be sent to the window class constructor
* @return {ve.ui.Window} Window with specified name
*/
ve.ui.WindowSet.prototype.getWindow = function ( name, config ) {
var win;
if ( !this.factory.lookup( name ) ) {
throw new Error( 'Unknown window: ' + name );
}
if ( this.currentWindow ) {
throw new Error( 'Cannot open another window while another one is active' );
}
if ( !( name in this.windows ) ) {
win = this.windows[name] = this.factory.create( name, this, config );
win.connect( this, {
'setup': ['onWindowSetup', win],
'open': ['onWindowOpen', win],
'close': ['onWindowClose', win]
} );
this.$.append( win.$ );
win.getFrame().load();
}
return this.windows[name];
};
/**
* Opens a given window.
*
* Any already open dialog will be closed.
*
* @param {string} name Symbolic name of window
* @param {Object} [config] Config options to be sent to the window class constructor
* @chainable
*/
ve.ui.WindowSet.prototype.open = function ( name, config ) {
this.getWindow( name, config ).open();
return this;
};