/************************************************************************************************************
(C) www.dhtmlgoodies.com, March 2006

This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	

Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.

Version:
	1.0	Released	March. 3rd 2006

Thank you!

www.dhtmlgoodies.com
Alf Magne Kalleland

************************************************************************************************************/

var flyingSpeed = 25;
var url_addProductToBasket = 'lamevallista/resources/addProduct.php';
var url_removeProductFromBasket = 'lamevallista/resources/removeProduct.php';
//var txt_totalPrice = 'Total: ';


var shopping_cart_div = false;
var flyingDiv = false;
var currentProductDiv = false;

var shopping_cart_x = false;
var shopping_cart_y = false;

var slide_xFactor = false;
var slide_yFactor = false;

var diffX = false;
var diffY = false;

var currentXPos = false;
var currentYPos = false;

var ajaxObjects = new Array();


function shoppingCart_getTopPos(inputObj)
{		
  var returnValue = inputObj.offsetTop;
  while((inputObj = inputObj.offsetParent) != null){
  	if(inputObj.tagName!='HTML')returnValue += inputObj.offsetTop;
  }
  return returnValue;
}

function shoppingCart_getLeftPos(inputObj)
{
  var returnValue = inputObj.offsetLeft;
  while((inputObj = inputObj.offsetParent) != null){
  	if(inputObj.tagName!='HTML')returnValue += inputObj.offsetLeft;
  }
  return returnValue;
}
	

function addToBasket(productId)
{
	var _temp_ = productId.split('__');
	
	if (document.getElementById('shopping_cart_items_product'+_temp_[0]+"__"+_temp_[1])) return false;
//	alert ('shopping_cart_items_product'+_temp_[0]+"__"+_temp_[1]);
//	alert ("no em fa massa cas");
	if(!shopping_cart_div)	shopping_cart_div = document.getElementById('shopping_cart');
	if(!flyingDiv){
		flyingDiv = document.createElement('DIV');
		flyingDiv.style.position = 'absolute';
		document.body.appendChild(flyingDiv);
	}
	
	shopping_cart_x = shoppingCart_getLeftPos(shopping_cart_div);
	shopping_cart_y = shoppingCart_getTopPos(shopping_cart_div);

	currentProductDiv = document.getElementById('slidingProduct_' + productId);

	currentXPos = shoppingCart_getLeftPos(currentProductDiv);
	currentYPos = shoppingCart_getTopPos(currentProductDiv);
	
	diffX = shopping_cart_x - currentXPos;
	diffY = shopping_cart_y - currentYPos;
	

	
	var shoppingContentCopy = currentProductDiv.cloneNode(true);
	shoppingContentCopy.id='';
	flyingDiv.innerHTML = '';
	flyingDiv.style.left = currentXPos + 'px';
	flyingDiv.style.top = currentYPos + 'px';
	flyingDiv.appendChild(shoppingContentCopy);
	flyingDiv.style.display='block';
	flyingDiv.style.width = currentProductDiv.offsetWidth + 'px';
	flyToBasket(productId);
	
}


function flyToBasket(productId)
{
	var maxDiff = Math.max(Math.abs(diffX),Math.abs(diffY));
	var moveX = (diffX / maxDiff) * flyingSpeed;;
	var moveY = (diffY / maxDiff) * flyingSpeed;	
	
	currentXPos = currentXPos + moveX;
	currentYPos = currentYPos + moveY;
	
	flyingDiv.style.left = Math.round(currentXPos) + 'px';
	flyingDiv.style.top = Math.round(currentYPos) + 'px';
	
	
	if(moveX>0 && currentXPos > shopping_cart_x){
		flyingDiv.style.display='none';		
	}
	if(moveX<0 && currentXPos < shopping_cart_x){
		flyingDiv.style.display='none';		
	}
		
	if(flyingDiv.style.display=='block')setTimeout('flyToBasket("' + productId + '")',10); else ajaxAddProduct(productId);	
}

function showAjaxBasketContent(ajaxIndex)
{
	// Getting a reference to the shopping cart items table
	var itemBox = document.getElementById('shopping_cart_items');
	
	//var productItems = ajaxObjects[ajaxIndex].response.split('|||');	// Breaking response from Ajax into tokens
	//var productItems = ajaxObjects[ajaxIndex].response;
	var productItems = ajaxObjects[ajaxIndex].response.split('||');	// Breaking response from Ajax into tokens

	var tr = itemBox.insertRow(-1);
	tr.id = 'shopping_cart_items_product' + productItems[1]
	
	var td = tr.insertCell(-1);
	td.innerHTML = productItems[0]; 	// Name of item
	td.className = 'lamevallista_td';
	/*td.style.width = '150px';
	td.style.borderBottom = '1px dashed blue';
	td.style.fontSize = '11px';*/
	
	var td = tr.insertCell(-1);
	td.className = 'lamevallista_td2';
	var a = document.createElement('A');
	td.appendChild(a);
	a.href = '#';
	a.onclick = function(){ removeProductFromBasket(productItems[1]); };
	var img = document.createElement('IMG');
	img.src = 'lamevallista/resources/images/remove.gif';
	a.appendChild(img);
	
	var td = tr.insertCell(-1);
	td.className = 'lamevallista_td2';
	var a = document.createElement('A');
	td.appendChild(a);
	a.href = '#';
	a.onclick = function(){ printProduct(productItems[1]); };
	var img = document.createElement('IMG');
	img.src = 'lamevallista/resources/images/print.gif';
	a.appendChild(img);	

	ajaxObjects[ajaxIndex] = false;	
	
}

function removeProductFromBasket(productId)
{
	var _temp_ = productId.split('__');
	var productRow = document.getElementById('shopping_cart_items_product'+_temp_[0]+"__"+_temp_[1]);
	
	productRow.parentNode.removeChild(productRow);	
	ajaxRemoveProduct(productId);
}

function ajaxValidateRemovedProduct(ajaxIndex)
{
	if(ajaxObjects[ajaxIndex].response!='OK') alert('Error al el.liminar l\'item');
	
}

function ajaxRemoveProduct(productId)
{
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_removeProductFromBasket;	// Saving product in this file
	ajaxObjects[ajaxIndex].setVar('productIdToRemove',productId);
	ajaxObjects[ajaxIndex].onCompletion = function(){ ajaxValidateRemovedProduct(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}

function ajaxAddProduct(productId)
{
	var ajaxIndex = ajaxObjects.length;
	ajaxObjects[ajaxIndex] = new sack();
	ajaxObjects[ajaxIndex].requestFile = url_addProductToBasket;	// Saving product in this file
	ajaxObjects[ajaxIndex].setVar('productId',productId);
	ajaxObjects[ajaxIndex].onCompletion = function(){ showAjaxBasketContent(ajaxIndex); };	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}