flymis/WebRoot/dojojs/src/string/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.string.extras");

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

//TODO: should we use ${} substitution syntax instead, like widgets do?
dojo.string.substituteParams = function(/*string*/template, /* object - optional or ... */hash){
// summary:
//	Performs parameterized substitutions on a string. Throws an exception if any parameter is unmatched.
//
// description:
//	For example,
//		dojo.string.substituteParams("File '%{0}' is not found in directory '%{1}'.","foo.html","/temp");
//	returns
//		"File 'foo.html' is not found in directory '/temp'."
//
// template: the original string template with %{values} to be replaced
// hash: name/value pairs (type object) to provide substitutions.  Alternatively, substitutions may be
//	included as arguments 1..n to this function, corresponding to template parameters 0..n-1

	var map = (typeof hash == 'object') ? hash : dojo.lang.toArray(arguments, 1);

	return template.replace(/\%\{(\w+)\}/g, function(match, key){
		if(typeof(map[key]) != "undefined" && map[key] != null){
			return map[key];
		}
		dojo.raise("Substitution not found: " + key);
	}); // string
};

dojo.string.capitalize = function(/*string*/str){
// summary:
//	Uppercases the first letter of each word

	if(!dojo.lang.isString(str)){ return ""; }
	if(arguments.length == 0){ str = this; }

	var words = str.split(' ');
	for(var i=0; i<words.length; i++){
		words[i] = words[i].charAt(0).toUpperCase() + words[i].substring(1);
	}
	return words.join(" "); // string
}

dojo.string.isBlank = function(/*string*/str){
// summary:
//	Return true if the entire string is whitespace characters

	if(!dojo.lang.isString(str)){ return true; }