Weblabor

Object.extend=function (o,e){if (o instanceof Object && e instanceof Object) for (var i in e) o[i]=e[i]; return o}
Function.prototype.parameters=function (){for (var i=0,a=[]; i<this.arguments.length; i++) a[i]=this.arguments[i];return a;}
Object.toString=function (o){var s=[];for (var i in o) s.push(i+" => "+o[i]);return s.join(", ");}
String.construct=function (times,iterator){var s="";for (i=0; i<times; i++) s+=iterator;return s}
Function.prototype.write=function (o){this.prototype=o; return this}
Function.prototype.extend=function (e){Object.extend(this.prototype,e); return this}
Object.merge=function (o,e){if (typeof o=="object" && typeof e=="object") for (var i in e) if (!(i in o)) o[i]=e[i]; return o}


function Model()
{
 var nodeTypes={};

 var prototype=
 {
  model: this,
  addChild: function ()
  {
   if (!this.hasChildren) return false;
   var parameters=arguments.callee.parameters(),type=parameters.shift();
   type=type instanceof Type?type:nodeTypes[type];
   if (!(type instanceof Type)) return false;
   this.childNodes.push(new type.setup(type,parameters,this));
   return this.childNodes[this.childNodes.length-1];
  },
  removeChild: function ()
  {

  }
 }


 function Type(key,addon,initialize)
 {
  this.key=key;
  this.prototype=Object.merge(addon,prototype);
  this.initialize=initialize;
  this.setup=function (type,parameters,parent)
  {
   this.nodeType=type;
   this.parentNode=parent;
   this.level=this.parentNode.level+1;
   if (this.hasChildren) this.childNodes=[];
   if (typeof initialize=="function") initialize.apply(this,parameters);
   return this
  }
  this.setup.prototype=addon;
 }


 var setup=function()
 {
  var parameters=arguments.callee.parameters();
  if (this.hasChildren) this.childNodes=[];
  this.level=1;
  alert(Object.toString(this.constructor.prototype))
  if (typeof this.nodeType.initialize=="function") this.nodeType.initialize.apply(this,parameters);
  return this;
 }

 Object.extend(setup,
 {
  addType: function (key,addon,initialize){nodeTypes[key]=new Type(key,addon,initialize)},
  removeType: function (key){delete nodeTypes[key]},
  rootType: function (key){key=key instanceof Type?key:nodeTypes[key]; if (!(key instanceof Type)) return false;this.prototype=key.prototype;this.prototype.nodeType=key;}
 });

 return setup;
}

var FileSystemObject=new Model()
with (FileSystemObject)
{
 addType("root",{hasChildren: true,print: function (){var s="OBJECT TREE<br \/>"+this.name+"<br \/>";for (var i=0; i<this.childNodes.length; i++)s+="&nbsp;"+this.childNodes[i].print();return s}},function (name){this.name=name});
 rootType("root");
 addType("folder",{hasChildren: true,print: function (){var s=this.name+"<br \/>";for (var i=0; i<this.childNodes.length; i++)s+=String.construct(this.level,"&nbsp;")+this.childNodes[i].print();return s}},function (name){this.name=name});
 addType("file",{hasChildren: false,print: function (){return this.name+"<br \/>"}},function (name){this.name=name});
}

var FSO=new FileSystemObject("root");
 var alap=FSO.addChild("folder","alap");
  var mely=alap.addChild("folder","mély");
   mely.addChild("file","mély gyerek");
   mely.addChild("file","mély lány");
  var deep=alap.addChild("folder","deep");
   deep.addChild("file","deep girl");
 var ground=FSO.addChild("folder","ground");
  ground.addChild("file","ground girl");
 FSO.addChild("file","settings");
document.write(FSO.print())

var FSO2=new FileSystemObject("root2");
document.write(FSO2.print())