From 754a1817adc493a7e0524aaca48dfa1e358a10bc Mon Sep 17 00:00:00 2001
From: wei <>
Date: Thu, 25 Jan 2007 12:02:53 +0000
Subject: add Base js.

---
 framework/Web/Javascripts/extended/base.js | 115 ++++++++++++++++++++++++++++-
 1 file changed, 111 insertions(+), 4 deletions(-)

(limited to 'framework/Web/Javascripts/extended/base.js')

diff --git a/framework/Web/Javascripts/extended/base.js b/framework/Web/Javascripts/extended/base.js
index 53856684..251882cd 100644
--- a/framework/Web/Javascripts/extended/base.js
+++ b/framework/Web/Javascripts/extended/base.js
@@ -2,10 +2,10 @@
 /**
  * Similar to bindAsEventLister, but takes additional arguments.
  */
-Function.prototype.bindEvent = function() 
+Function.prototype.bindEvent = function()
 {
 	var __method = this, args = $A(arguments), object = args.shift();
-	return function(event) 
+	return function(event)
 	{
 		return __method.apply(object, [event || window.event].concat(args));
 	}
@@ -23,7 +23,114 @@ Class.extend = function(base, definition)
 {
 		var component = Class.create();
 		Object.extend(component.prototype, base.prototype);
-		if(definition) 
+		if(definition)
 			Object.extend(component.prototype, definition);
 		return component;
-}
\ No newline at end of file
+}
+
+/*
+	Base, version 1.0.2
+	Copyright 2006, Dean Edwards
+	License: http://creativecommons.org/licenses/LGPL/2.1/
+*/
+
+var Base = function() {
+	if (arguments.length) {
+		if (this == window) { // cast an object to this class
+			Base.prototype.extend.call(arguments[0], arguments.callee.prototype);
+		} else {
+			this.extend(arguments[0]);
+		}
+	}
+};
+
+Base.version = "1.0.2";
+
+Base.prototype = {
+	extend: function(source, value) {
+		var extend = Base.prototype.extend;
+		if (arguments.length == 2) {
+			var ancestor = this[source];
+			// overriding?
+			if ((ancestor instanceof Function) && (value instanceof Function) &&
+				ancestor.valueOf() != value.valueOf() && /\bbase\b/.test(value)) {
+				var method = value;
+			//	var _prototype = this.constructor.prototype;
+			//	var fromPrototype = !Base._prototyping && _prototype[source] == ancestor;
+				value = function() {
+					var previous = this.base;
+				//	this.base = fromPrototype ? _prototype[source] : ancestor;
+					this.base = ancestor;
+					var returnValue = method.apply(this, arguments);
+					this.base = previous;
+					return returnValue;
+				};
+				// point to the underlying method
+				value.valueOf = function() {
+					return method;
+				};
+				value.toString = function() {
+					return String(method);
+				};
+			}
+			return this[source] = value;
+		} else if (source) {
+			var _prototype = {toSource: null};
+			// do the "toString" and other methods manually
+			var _protected = ["toString", "valueOf"];
+			// if we are prototyping then include the constructor
+			if (Base._prototyping) _protected[2] = "constructor";
+			for (var i = 0; (name = _protected[i]); i++) {
+				if (source[name] != _prototype[name]) {
+					extend.call(this, name, source[name]);
+				}
+			}
+			// copy each of the source object's properties to this object
+			for (var name in source) {
+				if (!_prototype[name]) {
+					extend.call(this, name, source[name]);
+				}
+			}
+		}
+		return this;
+	},
+
+	base: function() {
+		// call this method from any other method to invoke that method's ancestor
+	}
+};
+
+Base.extend = function(_instance, _static) {
+	var extend = Base.prototype.extend;
+	if (!_instance) _instance = {};
+	// build the prototype
+	Base._prototyping = true;
+	var _prototype = new this;
+	extend.call(_prototype, _instance);
+	var constructor = _prototype.constructor;
+	_prototype.constructor = this;
+	delete Base._prototyping;
+	// create the wrapper for the constructor function
+	var klass = function() {
+		if (!Base._prototyping) constructor.apply(this, arguments);
+		this.constructor = klass;
+	};
+	klass.prototype = _prototype;
+	// build the class interface
+	klass.extend = this.extend;
+	klass.implement = this.implement;
+	klass.toString = function() {
+		return String(constructor);
+	};
+	extend.call(klass, _static);
+	// single instance
+	var object = constructor ? klass : _prototype;
+	// class initialisation
+	if (object.init instanceof Function) object.init();
+	return object;
+};
+
+Base.implement = function(_interface) {
+	if (_interface instanceof Function) _interface = _interface.prototype;
+	this.prototype.extend(_interface);
+};
-- 
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