// SpryValidationConfirm.js - version 0.3 - Spry Pre-Release 1.6.1
//
// Copyright (c) 2006. Adobe Systems Incorporated.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of Adobe Systems Incorporated nor the names of its
//     contributors may be used to endorse or promote products derived from this
//     software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

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

Spry.Widget.BrowserSniff = function()
{
	var b = navigator.appName.toString();
	var up = navigator.platform.toString();
	var ua = navigator.userAgent.toString();

	this.mozilla = this.ie = this.opera = this.safari = false;
	var re_opera = /Opera.([0-9\.]*)/i;
	var re_msie = /MSIE.([0-9\.]*)/i;
	var re_gecko = /gecko/i;
	var re_safari = /(applewebkit|safari)\/([\d\.]*)/i;
	var r = false;

	if ( (r = ua.match(re_opera))) {
		this.opera = true;
		this.version = parseFloat(r[1]);
	} else if ( (r = ua.match(re_msie))) {
		this.ie = true;
		this.version = parseFloat(r[1]);
	} else if ( (r = ua.match(re_safari))) {
		this.safari = true;
		this.version = parseFloat(r[2]);
	} else if (ua.match(re_gecko)) {
		var re_gecko_version = /rv:\s*([0-9\.]+)/i;
		r = ua.match(re_gecko_version);
		this.mozilla = true;
		this.version = parseFloat(r[1]);
	}
	this.windows = this.mac = this.linux = false;

	this.Platform = ua.match(/windows/i) ? "windows" :
					(ua.match(/linux/i) ? "linux" :
					(ua.match(/mac/i) ? "mac" :
					ua.match(/unix/i)? "unix" : "unknown"));
	this[this.Platform] = true;
	this.v = this.version;

	if (this.safari && this.mac && this.mozilla) {
		this.mozilla = false;
	}
};

Spry.is = new Spry.Widget.BrowserSniff();

Spry.Widget.ValidationConfirm = function(element, firstInput, options)
{
	options = Spry.Widget.Utils.firstValid(options, {});

	if (!this.isBrowserSupported())
		return;

	if (this.init(element, firstInput, options) === false)
		return false;

	var validateOn = ['submit'].concat(Spry.Widget.Utils.firstValid(this.options.validateOn, []));
	validateOn = validateOn.join(",");

	this.validateOn = 0;
	this.validateOn = this.validateOn | (validateOn.indexOf('submit') != -1 ? Spry.Widget.ValidationConfirm.ONSUBMIT : 0);
	this.validateOn = this.validateOn | (validateOn.indexOf('blur') != -1 ? Spry.Widget.ValidationConfirm.ONBLUR : 0);
	this.validateOn = this.validateOn | (validateOn.indexOf('change') != -1 ? Spry.Widget.ValidationConfirm.ONCHANGE : 0);

	if (Spry.Widget.ValidationConfirm.onloadDidFire)
		this.attachBehaviors();
	else
		Spry.Widget.ValidationConfirm.loadQueue.push(this);
};

Spry.Widget.ValidationConfirm.ONCHANGE = 1;
Spry.Widget.ValidationConfirm.ONBLUR = 2;
Spry.Widget.ValidationConfirm.ONSUBMIT = 4;

Spry.Widget.ValidationConfirm.prototype.init = function(element, firstInput, options)
{
	options = Spry.Widget.Utils.firstValid(options, []);
	this.options = [];
	this.element = this.getElement(element);
	if (!this.element)
	{
		this.showError('The element ' + (!element || element == ''?'to be validated is not defined!': (element + ' doesn\'t exists!')));
		return false;
	}
	else
	{
		if (this.element.nodeName.toUpperCase() == 'INPUT' && (typeof this.element.type == 'undefined' || ',RADIO,CHECKBOX,BUTTON,SUBMIT,IMAGE,'.indexOf(',' +this.element.type.toUpperCase +',') == -1 ))
		{
			this.input = this.element;
		}
		else
		{
			this.input = Spry.Widget.Utils.getFirstChildWithNodeNameAtAnyLevel(this.element, 'INPUT');
		}
	}
	if (!this.input)
	{
		this.showError('Element ' + element + ' doesn\'t contain any form input!');
		return false;
	}
	var elm = this.getElement(firstInput);
	this.firstInput = false;
	if (!elm)
	{
		this.showError('The element ' + (!firstInput || firstInput == ''?'that contains the value to be validated is not defined!': (firstInput + ' doesn\'t exists!')));
		return false;
	}
	if (elm.nodeName.toUpperCase() != 'INPUT')
	{
		this.firstInput = Spry.Widget.Utils.getFirstChildWithNodeNameAtAnyLevel(elm, 'INPUT');
	}
	else if (typeof elm.type == 'undefined' || ',RADIO,CHECKBOX,BUTTON,SUBMIT,IMAGE,'.indexOf(','+elm.type.toUpperCase()+',') == -1)
	{
		this.firstInput = elm;
	}
	if (!this.firstInput)
	{
		this.showError('Element '+firstInput + ' doesn\'t contain any form input!');
		return false;
	}

	this.event_handlers = [];

	this.validClass = "confirmValidState";
	this.focusClass = "confirmFocusState";
	this.requiredClass = "confirmRequiredState";
	this.invalidClass = "confirmInvalidState";

	options.isRequired = Spry.Widget.Utils.firstValid(options.isRequired, true);

	options.additionalError = Spry.Widget.Utils.firstValid(options.additionalError, false);
	if (options.additionalError)
		options.additionalError = this.getElement(options.additionalError);

	Spry.Widget.Utils.setOptions(this, options);
	Spry.Widget.Utils.setOptions(this.options, options);
};

Spry.Widget.ValidationConfirm.loadQueue = [];
Spry.Widget.ValidationConfirm.onloadDidFire = false;

Spry.Widget.ValidationConfirm.prototype.getElement = function(ele)
{
	if (ele && typeof ele == "string")
		 ele=document.getElementById(ele);
	return ele;
};

Spry.Widget.ValidationConfirm.processLoadQueue = function(handler)
{
	Spry.Widget.ValidationConfirm.onloadDidFire = true;
	var q = Spry.Widget.ValidationConfirm.loadQueue;
	var qlen = q.length;
	for (var i = 0; i < qlen; i++)
		q[i].attachBehaviors();
};
Spry.Widget.ValidationConfirm.addLoadListener = function(handler)
{
	if (typeof window.addEventListener != 'undefined')
		window.addEventListener('load', handler, false);
	else if (typeof document.addEventListener != 'undefined')
		document.addEventListener('load', handler, false);
	else if (typeof window.attachEvent != 'undefined')
		window.attachEvent('onload', handler);
};
Spry.Widget.ValidationConfirm.addLoadListener(Spry.Widget.ValidationConfirm.processLoadQueue);


Spry.Widget.ValidationConfirm.prototype.destroy = function()
{
	if (this.event_handlers){
		for (var i=0; i<this.event_handlers.length; i++)
			Spry.Widget.Utils.removeEventListener(this.event_handlers[i][0], this.event_handlers[i][1], this.event_handlers[i][2], false);
	}
	try { delete this.element;} catch(err) {};
	try { delete this.input;} catch(err) {};
	try { delete this.event_handlers;} catch(err) {};
	try { delete this.options;}catch(err) {};

	var q = Spry.Widget.Form.onSubmitWidgetQueue;
	var qlen = q.length;
	for (var i = 0; i < qlen; i++)
		if (q[i] == this)
		{
			q.splice(i, 1);
			break;
		}
};
Spry.Widget.ValidationConfirm.prototype.attachBehaviors = function()
{
	if (this.event_handlers && this.event_handlers.length > 0)
		return;

	var handlers = this.event_handlers;
	if (this.input)
	{
		var self = this;
		this.input.setAttribute("AutoComplete", "off");
		if (this.validateOn & Spry.Widget.ValidationConfirm.ONCHANGE)
		{
			var changeEvent = 
				Spry.is.mozilla || Spry.is.opera || Spry.is.safari?"input":
				Spry.is.ie?"propertychange":
				"change";
			handlers.push([this.input, changeEvent, function(e){if (self.isDisabled()) return true; return self.validate(e||event);}]);

			if (Spry.is.mozilla || Spry.is.safari)
				handlers.push([this.input, "dragdrop", function(e){if (self.isDisabled()) return true; return self.validate(e);}]);
			else if (Spry.is.ie)
				handlers.push([this.input, "drop", function(e){if (self.isDisabled()) return true; return self.validate(event);}]);
		}
		handlers.push([this.input, "blur", function(e) {if (self.isDisabled()) return true; return self.onBlur(e||event);}]);
		handlers.push([this.input, "focus", function(e) { if (self.isDisabled()) return true; return self.onFocus(e || event); }]);

		for (var i=0; i<this.event_handlers.length; i++)
			Spry.Widget.Utils.addEventListener(this.event_handlers[i][0], this.event_handlers[i][1], this.event_handlers[i][2], false);

		// submit
		this.form = Spry.Widget.Utils.getFirstParentWithNodeName(this.input, "FORM");
		if (this.form)
		{
			// if no "onSubmit" handler has been attached to the current form, attach one
			if (!this.form.attachedSubmitHandler && !this.form.onsubmit)
			{
				this.form.onsubmit = function(e) { e = e || event; return Spry.Widget.Form.onSubmit(e, e.srcElement || e.currentTarget) };
				this.form.attachedSubmitHandler = true;
			}
			if (!this.form.attachedResetHandler)
			{
				Spry.Widget.Utils.addEventListener(this.form, "reset", function(e) {var e = e || event; return Spry.Widget.Form.onReset(e, e.srcElement || e.currentTarget) }, false);
				this.form.attachedResetHandler = true;
			}
			// add the currrent widget to the "onSubmit" check queue;
			Spry.Widget.Form.onSubmitWidgetQueue.push(this);
		}
	}
};
Spry.Widget.ValidationConfirm.prototype.reset = function()
{
	this.switchClassName(this.element, '');
	this.switchClassName(this.additionalError, '');
	this.removeClassName(this.element, this.focusClass);
	this.removeClassName(this.additionalError, this.focusClass);
	if (Spry.is.ie)
	{
		this.input.forceFireFirstOnPropertyChange = true;
		this.input.removeAttribute("forceFireFirstOnPropertyChange");
	}
};

Spry.Widget.ValidationConfirm.prototype.validate = function(e)
{
	if (this.isRequired && this.input.value == '')
	{
		this.switchClassName(this.element, this.requiredClass);
		this.switchClassName(this.additionalError, this.requiredClass);
		return false;
	}
	if (this.input.value.length > 0 && this.input.value != this.firstInput.value)
	{
		this.switchClassName(this.element, this.invalidClass);
		this.switchClassName(this.additionalError, this.invalidClass);
		return false;
	}
	this.switchClassName(this.element, this.validClass);
	this.switchClassName(this.additionalError, this.validClass);
	return true;
};

Spry.Widget.ValidationConfirm.prototype.onBlur = function(e)
{
	this.removeClassName(this.element, this.focusClass);
	this.removeClassName(this.additionalError, this.focusClass);

	if (this.validateOn & Spry.Widget.ValidationConfirm.ONBLUR)
		this.validate(e);
};
Spry.Widget.ValidationConfirm.prototype.onFocus = function()
{
	this.addClassName(this.element, this.focusClass);
	this.addClassName(this.additionalError, this.focusClass);
};
Spry.Widget.ValidationConfirm.prototype.switchClassName = function(ele, className)
{
	var classes = [this.validClass, this.requiredClass, this.invalidClass];
	for (var i =0; i< classes.length; i++)
		this.removeClassName(ele, classes[i]);

	this.addClassName(ele, className);
};
Spry.Widget.ValidationConfirm.prototype.addClassName = function(ele, className)
{
	if (!ele || !className || (ele.className && ele.className.indexOf(className) != -1 && ele.className.search(new RegExp("\\b" + className + "\\b")) != -1))
		return;
	ele.className += (ele.className ? " " : "") + className;
};
Spry.Widget.ValidationConfirm.prototype.removeClassName = function(ele, className)
{
	if (!ele || !className || (ele.className && ele.className.indexOf(className) != -1 && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1))
		return;
	ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), "");
};
Spry.Widget.ValidationConfirm.prototype.isBrowserSupported = function()
{
	return Spry.is.ie && Spry.is.v >= 5 && Spry.is.windows
		||
	Spry.is.mozilla && Spry.is.v >= 1.4
		||
	Spry.is.safari
		||
	Spry.is.opera && Spry.is.v >= 9;
};

Spry.Widget.ValidationConfirm.prototype.isDisabled = function()
{
	return this.input && (this.input.disabled || this.input.readOnly) || !this.input;
};
Spry.Widget.ValidationConfirm.prototype.showError = function(msg)
{
	alert('Spry.ValidationConfirm ERR: ' + msg);
};

//////////////////////////////////////////////////////////////////////
//
// 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.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.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) {}
};
