flymis/WebRoot/dojojs/src/lang/extras.js

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/*
	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.lang.extras");

dojo.require("dojo.lang.common");

dojo.lang.setTimeout = function(/*Function*/func, /*int*/delay /*, ...*/){
	// summary:
	//	Sets a timeout in milliseconds to execute a function in a given context
	//	with optional arguments.
	//
	// usage:
	//	setTimeout (Object context, function func, number delay[, arg1[, ...]]);
	//	setTimeout (function func, number delay[, arg1[, ...]]);

	var context = window, argsStart = 2;
	if(!dojo.lang.isFunction(func)){
		context = func;
		func = delay;
		delay = arguments[2];
		argsStart++;
	}

	if(dojo.lang.isString(func)){
		func = context[func];
	}
	
	var args = [];
	for (var i = argsStart; i < arguments.length; i++){
		args.push(arguments[i]);
	}
	return dojo.global().setTimeout(function () { func.apply(context, args); }, delay); // int
}

dojo.lang.clearTimeout = function(/*int*/timer){
	// summary: clears timer by number from the execution queue
	dojo.global().clearTimeout(timer);
}

dojo.lang.getNameInObj = function(/*Object*/ns, /*unknown*/item){
	// summary: looks for a value in the object ns with a value matching item and returns the property name
	// ns: if null, dj_global is used
	// item: value to match
	if(!ns){ ns = dj_global; }

	for(var x in ns){
		if(ns[x] === item){
			return new String(x); // String
		}
	}
	return null; // null
}