spryvalidationtextarea.js

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	}
	if (!ele.className){
		ele.className = ' ';
	}
	return ele;
};

Spry.Widget.ValidationTextarea.prototype.switchClassName = function (className){
	var classes = [this.invalidCharsMaxClass, this.validClass, this.requiredClass, this.invalidCharsMinClass];
	var self = this;
	for (var k in classes){
		if (classes[k] != className){
				this.removeClassName(classes[k]);			
		}
	}

	this.addClassName(className);
};

Spry.Widget.ValidationTextarea.prototype.addClassName = function(clssName){
	var ele = this.checkClassName(this.element, clssName);
	if (!ele || ele.className.search(new RegExp("\\b" + clssName + "\\b")) != -1){
	  return;
	}
	this.element.className += ' ' + clssName;
};

Spry.Widget.ValidationTextarea.prototype.removeClassName = function(className){
	var ele = this.checkClassName(this.element, className);
	if (!ele){
	  return;	
	}
	ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), '');
}; 

/**
 * SelectionDescriptor is a wrapper for input type text selection methods and properties 
 * as implemented by various  browsers
 */
Spry.Widget.SelectionDescriptor = function (element)
{
	this.element = element;
	this.update();
};

Spry.Widget.SelectionDescriptor.prototype.update = function()
{
	if (Spry.is.ie && Spry.is.windows) {
		if (this.element.nodeName == "TEXTAREA") {
		var range = this.element.ownerDocument.selection.createRange();
		if (range.parentElement() == this.element){
			var range_all = this.element.ownerDocument.body.createTextRange();
			range_all.moveToElementText(this.element);
			for (var sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start ++){
			 	range_all.moveStart('character', 1);
			}
			this.start = sel_start;
			// create a selection of the whole this.element
			range_all = this.element.ownerDocument.body.createTextRange();
			range_all.moveToElementText(this.element);
			for (var sel_end = 0; range_all.compareEndPoints('StartToEnd', range) < 0; sel_end++){
				range_all.moveStart('character', 1);
			}
			this.end = sel_end;
			this.length = this.end - this.start;
			// get selected and surrounding text
			this.text = range.text;
		 }
		} else if (this.element.nodeName == "INPUT"){
			this.range = this.element.ownerDocument.selection.createRange();
			this.length = this.range.text.length;
			var clone = this.range.duplicate();
			this.start = -clone.moveStart("character", -10000);
			clone = this.range.duplicate();
			clone.collapse(false);
			this.end = -clone.moveStart("character", -10000);
			this.text = this.range.text;
		}
	} else {
		var tmp = this.element;
		var selectionStart = 0;
		var selectionEnd = 0;

		try { selectionStart = tmp.selectionStart; } catch(err) {}
		try { selectionEnd = tmp.selectionEnd; } catch(err) {}

		if (Spry.is.safari) {
			if (selectionStart == 2147483647) {
				selectionStart = 0;
			}
			if (selectionEnd == 2147483647) {
				selectionEnd = 0;
			}
		}
		this.start = selectionStart;
		this.end = selectionEnd;
		this.length = selectionEnd - selectionStart;
		this.text = this.element.value.substring(selectionStart, selectionEnd);
	}
};

Spry.Widget.SelectionDescriptor.prototype.destroy = function() {
	try { delete this.range} catch(err) {}
	try { delete this.element} catch(err) {}
};

Spry.Widget.SelectionDescriptor.prototype.moveTo = function(start, end)
{
	if (Spry.is.ie && Spry.is.windows) {
		if (this.element.nodeName == "TEXTAREA") {
			var ta_range = this.element.createTextRange();
			this.range = this.element.createTextRange();
			this.range.move("character", start);
			this.range.moveEnd("character", end - start);
			
			var c1 = this.range.compareEndPoints("StartToStart", ta_range);
			if (c1 < 0) {
				this.range.setEndPoint("StartToStart", ta_range);
			}

			var c2 = this.range.compareEndPoints("EndToEnd", ta_range);
			if (c2 > 0) {
				this.range.setEndPoint("EndToEnd", ta_range);
			}
		} else if (this.element.nodeName == "INPUT"){
			this.range = this.element.ownerDocument.selection.createRange();
			this.range.move("character", -10000);
			this.start = this.range.moveStart("character", start);
			this.end = this.start + this.range.moveEnd("character", end - start);
		}
		this.range.select();
	} else {
		this.start = start;
		try { this.element.selectionStart = start; } catch(err) {}
		this.end = end;
		try { this.element.selectionEnd = end; } catch(err) {}
	}
	this.ignore = true;
	this.update();
};

//////////////////////////////////////////////////////////////////////
//
// Spry.Widget.Form - common for all widgets
//
//////////////////////////////////////////////////////////////////////

if (!Spry.Widget.Form) Spry.Widget.Form = {};
if (!Spry.Widget.Form.onSubmitWidgetQueue) Spry.Widget.Form.onSubmitWidgetQueue = [];

if (!Spry.Widget.Form.validate) {
	Spry.Widget.Form.validate = function(vform) {
		var isValid = true;
		var isElementValid = true;
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		var qlen = q.length;
		for (var i = 0; i < qlen; i++) {
			if (!q[i].isDisabled() && q[i].form == vform) {
				isElementValid = q[i].validate();
				isValid = isElementValid && isValid;
			}
		}
		return isValid;
	}
};

if (!Spry.Widget.Form.onSubmit) {
	Spry.Widget.Form.onSubmit = function(e, form)
	{
		if (Spry.Widget.Form.validate(form) == false) {
			return false;
		}
		return true;
	};
};

if (!Spry.Widget.Form.onReset) {
	Spry.Widget.Form.onReset = function(e, vform)
	{
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		var qlen = q.length;
		for (var i = 0; i < qlen; i++) {
			if (!q[i].isDisabled() && q[i].form == vform && typeof(q[i].reset) == 'function') {
				q[i].reset();
			}
		}
		return true;
	};
};

if (!Spry.Widget.Form.destroy) {
	Spry.Widget.Form.destroy = function(form)
	{
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
			if (q[i].form == form && typeof(q[i].destroy) == 'function') {
				q[i].destroy();
				i--;
			}
		}
	}
};

if (!Spry.Widget.Form.destroyAll) {
	Spry.Widget.Form.destroyAll = function()
	{
		var q = Spry.Widget.Form.onSubmitWidgetQueue;
		for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
			if (typeof(q[i].destroy) == 'function') {
				q[i].destroy();
				i--;
			}
		}
	}
};

//////////////////////////////////////////////////////////////////////
//
// Spry.Widget.Utils
//
//////////////////////////////////////////////////////////////////////

if (!Spry.Widget.Utils)	Spry.Widget.Utils = {};

Spry.Widget.Utils.setOptions = function(obj, optionsObj, ignoreUndefinedProps)
{
	if (!optionsObj)
		return;
	for (var optionName in optionsObj)
	{
		if (ignoreUndefinedProps && optionsObj[optionName] == undefined)
			continue;
		obj[optionName] = optionsObj[optionName];
	}
};

Spry.Widget.Utils.firstValid = function() {
	var ret = null;
	for(var i=0; i<Spry.Widget.Utils.firstValid.arguments.length; i++) {
		if (typeof(Spry.Widget.Utils.firstValid.arguments[i]) != 'undefined') {
			ret = Spry.Widget.Utils.firstValid.arguments[i];
			break;
		}
	}
	return ret;
};

Spry.Widget.Utils.specialSafariNavKeys = ",63232,63233,63234,63235,63272,63273,63275,63276,63277,63289,";

Spry.Widget.Utils.specialCharacters = ",8,9,16,17,18,20,27,33,34,35,36,37,38,39,40,45,46,91,92,93,144,192,63232,";
Spry.Widget.Utils.specialCharacters += Spry.Widget.Utils.specialSafariNavKeys;

Spry.Widget.Utils.isSpecialKey = function (ev) {
	return Spry.Widget.Utils.specialCharacters.indexOf("," + ev.keyCode + ",") != -1;
};

Spry.Widget.Utils.getFirstChildWithNodeNameAtAnyLevel = function(node, nodeName) {
	var elements  = node.getElementsByTagName(nodeName);
	if (elements) {
		return elements[0];
	}
	return null;
};

Spry.Widget.Utils.getFirstParentWithNodeName = function(node, nodeName)
{
	while (node.parentNode
			&& node.parentNode.nodeName.toLowerCase() != nodeName.toLowerCase()
			&& node.parentNode.nodeName != 'BODY') {
		node = node.parentNode;
	}

	if (node.parentNode && node.parentNode.nodeName.toLowerCase() == nodeName.toLowerCase()) {
		return node.parentNode;
	} else {
		return null;
	}
};

Spry.Widget.Utils.destroyWidgets = function (container)
{
	if (typeof container == 'string') {
		container = document.getElementById(container);
	}

	var q = Spry.Widget.Form.onSubmitWidgetQueue;
	for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
		if (typeof(q[i].destroy) == 'function' && Spry.Widget.Utils.contains(container, q[i].element)) {
			q[i].destroy();
			i--;
		}
	}
};

Spry.Widget.Utils.contains = function (who, what)
{
	if (typeof who.contains == 'object') {
		return what && who && (who == what || who.contains(what));
	} else {
		var el = what;
		while(el) {
			if (el == who) {
				return true;
			}
			el = el.parentNode;
		}
		return false;
	}
};

Spry.Widget.Utils.addEventListener = function(element, eventType, handler, capture)
{
	try
	{
		if (element.addEventListener)
			element.addEventListener(eventType, handler, capture);
		else if (element.attachEvent)
			element.attachEvent("on" + eventType, handler, capture);
	}
	catch (e) {}
};

Spry.Widget.Utils.removeEventListener = function(element, eventType, handler, capture)
{
	try
	{
		if (element.removeEventListener)
			element.removeEventListener(eventType, handler, capture);
		else if (element.detachEvent)
			element.detachEvent("on" + eventType, handler, capture);
	}
	catch (e) {}
};

Spry.Widget.Utils.stopEvent = function(ev)
{
	try
	{
		this.stopPropagation(ev);
		this.preventDefault(ev);
	}
	catch (e) {}
};

/**
 * Stops event propagation
 * @param {Event} ev the event
 */
Spry.Widget.Utils.stopPropagation = function(ev)
{
	if (ev.stopPropagation)
	{
		ev.stopPropagation();
	}
	else
	{
		ev.cancelBubble = true;
	}
};

/**
 * Prevents the default behavior of the event
 * @param {Event} ev the event
 */
Spry.Widget.Utils.preventDefault = function(ev)
{
	if (ev.preventDefault)
	{
		ev.preventDefault();
	}
	else
	{
		ev.returnValue = false;
	}
};