Feature: adding project files

js/utils.js

@@ -0,0 +1,55 @@
+function heriter(destination, source) { 
+    function initClassIfNecessary(obj) { 
+        if( typeof obj["_super"] == "undefined" ) { 
+            obj["_super"] = function() { 
+                var methodName = arguments[0]; 
+                var parameters = arguments[1]; 
+                this["__parent_methods"][methodName].apply(this, parameters); 
+            } 
+        } 
+     
+        if( typeof obj["__parent_methods"] == "undefined" ) { 
+            obj["__parent_methods"] = {} 
+        } 
+    } 
+ 
+    for (var element in source) { 
+        if( typeof destination[element] != "undefined" ) { 
+            initClassIfNecessary(destination); 
+            destination["__parent_methods"][element] = source[element]; 
+        } else { 
+            destination[element] = source[element]; 
+        } 
+    } 
+}
+
+
+/** PausableTimer **/
+
+function PausableTimer(func, millisec) {
+	this.func = func;
+	this.stTime = new Date().valueOf();
+	this.timeout = setTimeout(func, millisec);
+	this.timeLeft = millisec;
+}
+
+PausableTimer.prototype.stop = function() {
+	clearTimeout(this.timeout);
+};
+
+PausableTimer.prototype.pause = function() {
+	clearTimeout(this.timeout);
+	var timeRan = new Date().valueOf()-this.stTime;
+	this.timeLeft -= timeRan;
+};
+
+PausableTimer.prototype.resume = function() {
+	this.timeout = setTimeout(this.func, this.timeLeft);
+	this.stTime = new Date().valueOf();
+};
+
+//Usage:
+//var myTimer = new PausableTimer(function(){alert("It works!");}, 2000);
+//myTimer.pause();
+//myTimer.unpause();
+