bugcore
Version:
bugcore is a JavaScript library that provides a foundational architecture for object oriented JS
149 lines (112 loc) • 4.55 kB
JavaScript
/*
* Copyright (c) 2016 airbug Inc. http://airbug.com
*
* bugcore may be freely distributed under the MIT license.
*/
//-------------------------------------------------------------------------------
// Annotations
//-------------------------------------------------------------------------------
//@Export('EventPropagator')
//@Require('Class')
//@Require('IEventPropagator')
//@Require('List')
//@Require('Obj')
//-------------------------------------------------------------------------------
// Context
//-------------------------------------------------------------------------------
require('bugpack').context("*", function(bugpack) {
//-------------------------------------------------------------------------------
// BugPack
//-------------------------------------------------------------------------------
var Class = bugpack.require('Class');
var IEventPropagator = bugpack.require('IEventPropagator');
var List = bugpack.require('List');
var Obj = bugpack.require('Obj');
//-------------------------------------------------------------------------------
// Declare Class
//-------------------------------------------------------------------------------
/**
* @class
* @extends {Obj}
* @implements {IEventPropagator}
*/
var EventPropagator = Class.extend(Obj, {
_name: "EventPropagator",
//-------------------------------------------------------------------------------
// Constructor
//-------------------------------------------------------------------------------
/**
* @constructs
* @param {*} target
*/
_constructor: function(target) {
this._super();
//-------------------------------------------------------------------------------
// Private Properties
//-------------------------------------------------------------------------------
/**
* @private
* @type {List.<IEventPropagator>}
*/
this.eventPropagatorList = new List();
/**
* @private
* @type {*}
*/
this.target = target ? target : this;
},
//-------------------------------------------------------------------------------
// Getters and Setters
//-------------------------------------------------------------------------------
/**
* @return {List.<IEventPropagator>}
*/
getEventPropagatorList: function() {
return this.eventPropagatorList;
},
/**
* @return {*}
*/
getTarget: function() {
return this.target;
},
//-------------------------------------------------------------------------------
// IEventPropagator Implementation
//-------------------------------------------------------------------------------
/**
* @param {IEventPropagator} eventPropagator
*/
addEventPropagator: function(eventPropagator) {
if (!this.eventPropagatorList.contains(eventPropagator)) {
this.eventPropagatorList.add(eventPropagator);
}
},
/**
* @param {Event} event
*/
propagateEvent: function(event) {
if (!event.isPropagationStopped()) {
event.setCurrentTarget(this.getTarget());
this.eventPropagatorList.forEach(function(eventPropagator) {
eventPropagator.propagateEvent(event);
});
}
},
/**
* @param {IEventPropagator} eventPropagator
*/
removeEventPropagator: function(eventPropagator) {
if (this.eventPropagatorList.contains(eventPropagator)) {
this.eventPropagatorList.remove(eventPropagator);
}
}
});
//-------------------------------------------------------------------------------
// Interfaces
//-------------------------------------------------------------------------------
Class.implement(EventPropagator, IEventPropagator);
//-------------------------------------------------------------------------------
// Exports
//-------------------------------------------------------------------------------
bugpack.export('EventPropagator', EventPropagator);
});