if (typeof(define) !== "function") {
var define = require("amdefine")(module);
}
define([
"odin/base/event_emitter"
],
function(EventEmitter) {
"use strict";
var CLASS_ID = 0;
/**
* @class Odin.Class
* @extends Odin.EventEmitter
*/
function Class() {
EventEmitter.call(this);
this._id = ++CLASS_ID;
this._jsonId = -1;
this._name = "";
}
EventEmitter.extend(Class);
/**
* returns new copy of this
* @memberof Odin.Class
* @return Class
*/
Class.prototype.clone = function() {
return new this.constructor().copy(this);
};
/**
* copies other of same class
* @memberof Odin.Class
* @param {Odin.Class} other
* @return this
*/
Class.prototype.copy = function() {
return this;
};
/**
* clears data for GC
* @memberof Odin.Class
* @return this
*/
Class.prototype.clear = function() {
return this;
};
/**
* converts this to a JSON object
* @memberof Odin.Class
* @return json
*/
Class.prototype.toJSON = function(json) {
json || (json = {});
json._id = this._id;
json._jsonId = this._id;
json._className = this._className;
return json;
};
/**
* sets this from JSON object
* @memberof Odin.Class
* @return this
*/
Class.prototype.fromJSON = function(json) {
this._jsonId = json._jsonId;
return this;
};
/**
* returns class name
* @memberof Odin.Class
* @return string
*/
Class.prototype.toString = function() {
return this._name;
};
/**
* @memberof Odin.Class
* @param {constructor} child
* @param {constructor} parent
* @return child
*/
Class.extend = function(child, parent) {
if (!parent) parent = this;
child.prototype = Object.create(parent.prototype);
child.prototype.constructor = child;
child.extend = parent.extend;
child.prototype._className = child._className = child.name;
Class._classes[child.name] = child;
if (parent.onExtend) {
if (!child.onExtend) child.onExtend = parent.onExtend;
parent.onExtend(child);
}
return child;
};
/**
* creates new Odin.Class from json object
* @memberof Odin.Class
* @param {object} json
* @return Odin.Class
*/
Class.fromJSON = function(json) {
return new Class._classes[json._className]().fromJSON(json);
};
/**
* creates new Odin.Class from string type
* @memberof Odin.Class
* @param {string} type
* @return Odin.Class
*/
Class.create = function(type) {
return new Class._classes[type];
};
Class._classes = {};
return Class;
}
);