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mootools class for english people!

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englishClass.js
JavaScript
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(function(){
var Class = this.Class = new Type('Class', function(params){
if (instanceOf(params, Function)) params = {initialize: params};
 
var newClass = function(){
reset(this);
if (newClass.$prototyping) return this;
this.$caller = null;
if (this.initialise)
this.initialize = this.initialise;
var value = (this.initialize) ? this.initialize.apply(this, arguments) : this;
this.$caller = this.caller = null;
return value;
}.extend(this).implement(params);
 
newClass.$constructor = Class;
newClass.prototype.$constructor = newClass;
newClass.prototype.parent = parent;
 
return newClass;
});
 
var parent = function(){
if (!this.$caller) throw new Error('The method "parent" cannot be called.');
var name = this.$caller.$name,
parent = this.$caller.$owner.parent,
previous = (parent) ? parent.prototype[name] : null;
if (!previous) throw new Error('The method "' + name + '" has no parent.');
return previous.apply(this, arguments);
};
 
var reset = function(object){
for (var key in object){
var value = object[key];
switch (typeOf(value)){
case 'object':
var F = function(){};
F.prototype = value;
object[key] = reset(new F);
break;
case 'array': object[key] = value.clone(); break;
}
}
return object;
};
 
var wrap = function(self, key, method){
if (method.$origin) method = method.$origin;
var wrapper = function(){
if (method.$protected && this.$caller == null) throw new Error('The method "' + key + '" cannot be called.');
var caller = this.caller, current = this.$caller;
this.caller = current; this.$caller = wrapper;
var result = method.apply(this, arguments);
this.$caller = current; this.caller = caller;
return result;
}.extend({$owner: self, $origin: method, $name: key});
return wrapper;
};
 
var implement = function(key, value, retain){
if (Class.Mutators.hasOwnProperty(key)){
value = Class.Mutators[key].call(this, value);
if (value == null) return this;
}
 
if (typeOf(value) == 'function'){
if (value.$hidden) return this;
this.prototype[key] = (retain) ? value : wrap(this, key, value);
} else {
Object.merge(this.prototype, key, value);
}
 
return this;
};
 
var getInstance = function(klass){
klass.$prototyping = true;
var proto = new klass;
delete klass.$prototyping;
return proto;
};
 
Class.implement('implement', implement.overloadSetter());
 
Class.Mutators = {
 
Extends: function(parent){
this.parent = parent;
this.prototype = getInstance(parent);
},
 
Implements: function(items){
Array.from(items).each(function(item){
var instance = new item;
for (var key in instance) implement.call(this, key, instance[key], true);
}, this);
}
};
 
})();

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