/* Simple JavaScript Inheritance * By John Resig http://ejohn.org/ * MIT Licensed. */ // Inspired by base2 and Prototype (function () { var initializing = false; var fnTest = /xyz/.test(function () { xyz; }) ? /\b_super\b/ : /.*/; // The base Class implementation (does nothing) this.Class = function () { }; // Create a new Class that inherits from this class Class.extend = function (prop) { var _super = this.prototype; // Instantiate a base class (but only create the instance, // don't run the init constructor) initializing = true; var prototype = new this(); initializing = false; // Make a copy of all prototype properies, to prevent reference issues. for (var name in prototype) { prototype[name] = cloneObject(prototype[name]); } // Copy the properties over onto the new prototype for (var name in prop) { // Check if we're overwriting an existing function prototype[name] = typeof prop[name] == "function" && typeof _super[name] == "function" && fnTest.test(prop[name]) ? (function (name, fn) { return function () { var tmp = this._super; // Add a new ._super() method that is the same method // but on the super-class this._super = _super[name]; // The method only need to be bound temporarily, so we // remove it when we're done executing var ret = fn.apply(this, arguments); this._super = tmp; return ret; }; })(name, prop[name]) : prop[name]; } // The dummy class constructor function Class() { // All construction is actually done in the init method if (!initializing && this.init) { this.init.apply(this, arguments); } } // Populate our constructed prototype object Class.prototype = prototype; // Enforce the constructor to be what we expect Class.prototype.constructor = Class; // And make this class extendable Class.extend = arguments.callee; return Class; }; })(); //Define the clone method for later use. //Helper Method function cloneObject(obj) { if (obj === null || typeof obj !== "object") { return obj; } var temp = obj.constructor(); // give temp the original obj's constructor for (var key in obj) { temp[key] = cloneObject(obj[key]); if (key === "lockStrings") { Log.log(key); } } return temp; } /*************** DO NOT EDIT THE LINE BELOW ***************/ if (typeof module !== "undefined") { module.exports = Class; module.exports._test = { cloneObject: cloneObject } }