/*
    This file is part of ClassBehaviours release 20100930.

    ClassBehaviours is a javascript framework based on class-name parsing.
    Copyright (C) 2010  Maurice van Creij (http://www.classbehaviours.com)

    ClassBehaviours is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    ClassBehaviours is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with ClassBehaviours. If not, see http://www.gnu.org/licenses/gpl.html.
*/

/*
	EXAMPLE OF IMPLEMENTATION
	<table>
		<tr>
			<td>
				<input class="radio disabledByRadio enable_Select1,Select2,Select3" selected="selected" type="radio" id="Radio1adad" name="frmMeter" value="0"/>
				<select disabled="disabled" id="Select1" class="small" name="frmDay"><option>aa</option></select>
				<select disabled="disabled" id="Select2" class="mediumEls" name="frmMonth"><option>bb</option></select>
				<select disabled="disabled" id="Select3" class="tall" name="frmYear"><option>cc</option></select>
			</td>
		</tr>
		<tr>
			<td>
				<input class="radio disabledByRadio disable_Select1,Select2,Select3" type="radio" id="Radio2adasd" name="frmMeter" value="1"/>
				<label class="no" for="frmMeter1">Onbekend, ik wil de energie op mijn oude adres nog niet stopzetten.</label>
			</td>
		</tr>
	</table>
*/

	// CLASSBEHAVIOURS CLASS
	// create the root classbehaviours object if it doesn't already exist
	if(typeof(classBehaviours)=='undefined') classBehaviours = {};

		// CLASSNAME BEHAVIOUR FUNCTIONS
		// create the handlers child object if it doesn't already exist
		if(typeof(classBehaviours.handlers)=='undefined') classBehaviours.handlers = {}

			// disable and element based on the status of a radio button
			classBehaviours.handlers.disabledByRadio = {
				// properties
				name: 'disabledByRadio',
				index: 0,
				// methods
				start: function(node){
					// give the node an id
					node.id = (node.id==null) ? this.name + this.index++ : node.id ;
					// change events on the radio button
					node.onchange = this.delay;
					node.onclick = this.delay;
				},
				// events
				delay: function(that){
					var objNode = (typeof(this.nodeName)=='undefined') ? that : this ;
					setTimeout("classBehaviours.handlers.disabledByRadio.update(document.getElementById('" + objNode.id + "'))", 250);
				},
				update: function(that){
					var objNode = (typeof(this.nodeName)=='undefined') ? that : this ;
					var dbr = classBehaviours.handlers.disabledByRadio;
					// if this the radio button is checked
					if(objNode.checked){
						// get the id's to be enabled
						var enableIdCsv = classBehaviours.utilities.getClassParameter(objNode, 'enable', null);
						if(enableIdCsv!=null){
							var enableIds = enableIdCsv.split(',');
							for(var a=0; a<enableIds.length; a++){
								document.getElementById(enableIds[a]).disabled = '';
// TODO: maybe change the class of the parent container as well
							}
						}
						// get the id's to be disabled
						var disableIdCsv = classBehaviours.utilities.getClassParameter(objNode, 'disable', null);
						if(disableIdCsv!=null){
							var disableIds = disableIdCsv.split(',');
							for(var a=0; a<disableIds.length; a++){
								document.getElementById(disableIds[a]).disabled = 'disabled';
// TODO: maybe change the class of the parent container as well
							}
						}
					}
				}
			}

	// JQUERY WRAPPER
	if(typeof(jQuery)!='undefined'){
		(function($){
			var methods = {
				init : function(options) {
					return this.each(function(){
						classBehaviours.handlers.disabledByRadio.start($(this).context);
					});
				}
			};
			$.fn.disabledByRadio = function(method){
				if(methods[method]) {
					return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
				}else if(typeof method === 'object' || !method){
					return methods.init.apply(this, arguments);
				}else{
					$.error('Method ' +  method + ' does not exist on jQuery.disabledByRadio');
				}
			};
		})(jQuery);

		// JQUERY EVENTS
		$(document).ready(function() {
			$(".disabledByRadio").disabledByRadio();
		});
	}

/*
	Source: classbehaviours.utilities.js
	ClassBehaviours is a javascript framework based on class-name parsing.
	Copyright 2011 by Maurice van Creij and published on http://www.woollymittens.nl/
	This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
*/

	// CLASSBEHAVIOURS CLASS
	// create the root classbehaviours object if it doesn't already exist
	if(typeof(classBehaviours)=='undefined') classBehaviours = {};

		// COMMON UTILITY FUNCTIONS
		// create the utilities child object if it doesn't already exist
		if(typeof(classBehaviours.utilities)=='undefined') classBehaviours.utilities = {
			// returns all nodes of the same class
			getElementsByClassName : function(className, node){
				// use the whole body if no target was provided
				var target = (node!=null) ? node : document ;
				// make an empty array for the results
				var foundNodes = new Array();
				// make a regular expression to recognise the class name
				var wantedClass = new RegExp('\\b'+className+'\\b');
				// for all elements in the parent node
				var allNodes = (target.all) ? target.all : target.getElementsByTagName("*");
				for(var a=0; a<allNodes.length; a++){
					// if the classname was found add it to the results
					if(wantedClass.test(allNodes[a].className)) foundNodes[foundNodes.length] = allNodes[a];
				}
				// return the list
				return foundNodes;
			},
			// gets the value of a parameter from a className
			getClassParameter : function(targetNode, paramName, defaultValue){
				if(targetNode!=null){
					var parameterValue = (targetNode.className.indexOf(' ' + paramName + '_')>-1) ?
						targetNode.className.split(' ' + paramName + '_')[1].split(' ')[0] :
						defaultValue ;
					return (isNaN(defaultValue) || defaultValue==null || defaultValue=='' || typeof(defaultValue)!='string') ?
						parameterValue :
						parseFloat(parameterValue.replace('D','.'));
				}else{
					return defaultValue;
				}
			},
			// sets the value of a parameter from a className
			setClassParameter : function(targetNode, paramName, newValue){
				if(targetNode!=null){
					// create a default value, if there isn't one
					if(targetNode.className==null) targetNode.className = '';
					if(targetNode.className.indexOf(' ' + paramName + '_')<0) targetNode.className += ' ' + paramName + '_0';
					// get the old value
					oldValue = this.getClassParameter(targetNode, paramName, null);
					// replace the old value
					if(oldValue!=null) targetNode.className = targetNode.className.replace(paramName+'_'+oldValue, paramName+'_'+newValue);
				}
			},
			// get the next node without worrying about text nodes
			nextNode : function(targetNode, count){
				var testNode = targetNode;
				if(count==null) count = 1;
				for(var a=0; a<count; a++){
					do {
						testNode = (testNode.nextSibling!=null) ? testNode.nextSibling : targetNode ;
					}while(testNode.nodeName.indexOf('#text')>-1);
				}
				return testNode;
			},
			// get the previous node without worrying about text nodes
			previousNode : function(node, count){
				testNode = node;
				if(count==null) count = 1;
				// look for the previous html node
				for(var a=0; a<count; a++){
					do {
						testNode = testNode.previousSibling;
						if(testNode==null) testNode = node;
					}while(testNode.nodeName.indexOf('#text')>-1);
				}
				// return it
				return testNode;
			},
			// find the parent node with the given classname
			findParentNode : function(node, rootTag, rootId, rootClass){
				// try parent nodes until you find the one which meets the conditions
				rootFound = false;
				while(!rootFound && node.nodeName!='BODY'){
					rootFound = (rootTag && node.nodeName) ? (node.nodeName.indexOf(rootTag)>-1) : rootFound ;
					rootFound = (rootId && node.id) ? (node.id.indexOf(rootId)>-1) : rootFound ;
					rootFound = (rootClass && node.className) ? (node.className.indexOf(rootClass)>-1) : rootFound ;
					node = (!rootFound) ? node.parentNode : node;
				}
				// pass it back
				return node;
			},
			// gracefully add an event handler
			addEvent : function(node, eventName, eventHandler){
				if('addEventListener' in node){
					node.addEventListener(eventName, eventHandler, false);
				}else if('attachEvent' in node){
					node.attachEvent('on'+eventName, function(event){eventHandler(event)});
				}else{
					node['on'+eventName] = eventHandler;
				}
				return true;
			},
			// trigger an event handler manually
			triggerEvent : function(node, eventName){
				if('fireEvent' in node){
					node.fireEvent('on' + eventName);
				}else if('dispatchEvent' in node){
					var evt = document.createEvent('HTMLEvents');
					evt.initEvent(eventName, false, true);
					node.dispatchEvent(evt);
				}else{
					eval('node.on' + eventName + '()');
				}
				return true;
			},
			// trim whitespace from around a string
			trim : function(string){
				var cu = classBehaviours.utilities;
				return cu.rtrim(cu.ltrim(string));
			},
			ltrim : function(string){
				var left = 0;
				while(left < string.length && string[left] == ' '){
					left++;
				}
				return string.substring(left, string.length);
			},
			rtrim : function(string){
				var right = string.length - 1;
				while(right > 0 && string[right] == ' '){
					right -= 1;
				}
				return string.substring(0, right + 1);
			}
		}

/*
	Source: classbehaviours.parser.js
	ClassBehaviours is a javascript framework based on class-name parsing.
	Copyright 2011 by Maurice van Creij and published on http://www.woollymittens.nl/
	This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
*/

	// CLASSBEHAVIOURS CLASS
	// create the root classbehaviours object if it doesn't already exist
	if(typeof(classBehaviours)=='undefined') classBehaviours = {};

 		// COMMON PARSER FUNCTIONS
		// create the utilities child object if it doesn't already exist
		if(typeof(classBehaviours.parser)=='undefined') classBehaviours.parser = {
			// timeout constant
			interval : null,
			// verify the state of the object
			start : function(){
				var cp = classBehaviours.parser;
				// check if enough of the DOM was loaded
				if(/interactive|loaded|complete/i.test(document.readyState)){
					// cancel the interval
					clearInterval(cp.interval);
					// start the parser
					setTimeout(function(){cp.parseDocument()}, 100);
				// else if we're not already waiting for another test
				}else if(cp.interval==null){
					// test again
					cp.interval = setInterval(cp.start, 100);
				}
			},
			// scan the whole document
			parseDocument : function(){
				// pass the document object to the parser
				classBehaviours.parser.parseNode(document);
				// return the status
				return false;
			},
			// recursive version of the same function
			parseNode : function(node){
				// process the node
				parseChildNodes = (node.className!=null) ? this.processNode(node) : true ;
				// parse any childnodes
				if(parseChildNodes) for(var a=0; a<node.childNodes.length; a++) this.parseNode(node.childNodes[a]);
			},
			// process the classnames of the node
			processNode : function(node){
				// for all class behaviours
				var wantedClass;
				for(b in classBehaviours.handlers){
					// define the search based on the handler's expected classn ame
					wantedClass = new RegExp('\\b'+classBehaviours.handlers[b].name+'\\b');
					// if the behaviour name is in the className tested node
					if(wantedClass.test(node.className)){
						// apply its respective behaviour
						classBehaviours.handlers[b].start(node);
					}
				}
				// decide if to continue parsing deeper into this branch
				return (node.className.indexOf('doNotParse')<0);
			}
		}

		// initialise the parser manually if jQuery isn't used
		if(typeof(jQuery)=='undefined') classBehaviours.parser.start();