/*
	Copyright (c) 2004-2005, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.collections.ArrayList");
dojo.require("dojo.collections.Collections");

dojo.collections.ArrayList = function(arr){
	var items = [];
	if (arr) items = items.concat(arr);
	this.count = items.length;
	this.add = function(obj){
		items.push(obj);
		this.count = items.length;
	};
	this.addRange = function(a){
		if (a.getIterator) {
			var e = a.getIterator();
			while (!e.atEnd) {
				this.add(e.current);
				e.moveNext();
			}
			this.count = items.length;
		} else {
			for (var i=0; i<a.length; i++){
				items.push(a[i]);
			}
			this.count = items.length;
		}
	};
	this.clear = function(){
		items.splice(0, items.length);
		this.count = 0;
	};
	this.clone = function(){
		return new dojo.collections.ArrayList(items);
	};
	this.contains = function(obj){
		for (var i = 0; i < items.length; i++){
			if (items[i] == obj) {
				return true;
			}
		}
		return false;
	};
	this.getIterator = function(){
		return new dojo.collections.Iterator(items);
	};
	this.indexOf = function(obj){
		for (var i = 0; i < items.length; i++){
			if (items[i] == obj) {
				return i;
			}
		}
		return -1;
	};
	this.insert = function(i, obj){
		items.splice(i,0,obj);
		this.count = items.length;
	};
	this.item = function(k){
		return items[k];
	};
	this.remove = function(obj){
		var i = this.indexOf(obj);
		if (i >=0) {
			items.splice(i,1);
		}
		this.count = items.length;
	};
	this.removeAt = function(i){
		items.splice(i,1);
		this.count = items.length;
	};
	this.reverse = function(){
		items.reverse();
	};
	this.sort = function(fn){
		if (fn){
			items.sort(fn);
		} else {
			items.sort();
		}
	};
	this.toArray = function(){
		return [].concat(items);
	}
	this.toString = function(){
		return items.join(",");
	};
};