/*	Copyright (c) 2004-2006, 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.Dictionary");dojo.require("dojo.collections.Collections");dojo.collections.Dictionary = function (dictionary) {	var items = {};	this.count = 0;	var testObject = {};	this.add = function (k, v) {		var b = (k in items);		items[k] = new dojo.collections.DictionaryEntry(k, v);		if (!b) {			this.count++;		}	};	this.clear = function () {		items = {};		this.count = 0;	};	this.clone = function () {		return new dojo.collections.Dictionary(this);	};	this.contains = this.containsKey = function (k) {		if (testObject[k]) {			return false;		}		return (items[k] != null);	};	this.containsValue = function (v) {		var e = this.getIterator();		while (e.get()) {			if (e.element.value == v) {				return true;			}		}		return false;	};	this.entry = function (k) {		return items[k];	};	this.forEach = function (fn, scope) {		var a = [];		for (var p in items) {			if (!testObject[p]) {				a.push(items[p]);			}		}		var s = scope || dj_global;		if (Array.forEach) {			Array.forEach(a, fn, s);		} else {			for (var i = 0; i < a.length; i++) {				fn.call(s, a[i], i, a);			}		}	};	this.getKeyList = function () {		return (this.getIterator()).map(function (entry) {			return entry.key;		});	};	this.getValueList = function () {		return (this.getIterator()).map(function (entry) {			return entry.value;		});	};	this.item = function (k) {		if (k in items) {			return items[k].valueOf();		}		return undefined;	};	this.getIterator = function () {		return new dojo.collections.DictionaryIterator(items);	};	this.remove = function (k) {		if (k in items && !testObject[k]) {			delete items[k];			this.count--;			return true;		}		return false;	};	if (dictionary) {		var e = dictionary.getIterator();		while (e.get()) {			this.add(e.element.key, e.element.value);		}	}};