/************************************************************************************************************
(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 = 15;
var url_addProductToBasket = '/ajax/Basket_addProduct.php';
var url_removeProductFromBasket = '/ajax/Basket_removeProduct.php';
var txt_totalPrice = 'I  alt: ';
var txt_totalAntal1 = 'Du har ';
var txt_totalAntal2 = ' varer på indkøbslisten. ';


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 get_varer_linie(productId)
{
//productId OK

//tr = document.getElementById(productId);
//alert(tr.innerHTML);
addToBasket(productId);
}
function addToBasket(productId)
{
	//alert('product id = ' + productId);
	//return false; //indkoebsliste er slået fra
	if(!shopping_cart_div)shopping_cart_div = document.getElementById('shopping_cart');
	if(!flyingDiv){
		flyingDiv = document.createElement('DIV');
		flyingDiv.style.position = 'absolute';
		flyingDiv.style.background = '#D0EBA6';
		document.body.appendChild(flyingDiv);
	}
	
	shopping_cart_x = 850; //shoppingCart_getLeftPos(shopping_cart_div);
	shopping_cart_y = 250; //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 + 300 +'px';
	flyingDiv.style.height = 26 +'px';
	// productId OK
	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)
{
	//ajaxIndex = antal items i basket !
	// Getting a reference to the shopping cart items table
	var itemBox = document.getElementById('shopping_cart_items');
	var message = document.getElementById('basket-besked');
	if(message)
	{
		message.style.display = 'none';
	}
	var productItems = ajaxObjects[ajaxIndex].response.split('|||');	// Breaking response from Ajax into tokens
		//alert('Modtaget : '+productItems + ' antal items i basket = ' + ajaxIndex);
	if(document.getElementById('shopping_cart_items_product' + productItems[0])){	// A product with this id is allready in the basket - just add number items
		var row = document.getElementById('shopping_cart_items_product' + productItems[0]);
		var items = row.cells[0].innerHTML /1;
		items = items + 1;
		row.cells[0].innerHTML = items;
	}else{	// Product isn't allready in the basket - add a new row
		var tr = itemBox.insertRow(-1);
		tr.id = 'shopping_cart_items_product' + productItems[0]
		
		
		var td = tr.insertCell(-1);
		td.innerHTML = '1'; 	// Number of items
		//td.style.width = '30';
		td.setAttribute("class", "basket_td_1"); //For Most Browsers
		td.setAttribute("className", "basket_td_1"); //For IE; harmless to other browsers.
		
		var td = tr.insertCell(-1);
		td.innerHTML = '&nbsp;'+productItems[1];
		td.setAttribute("class", "basket_td_2"); //For Most Browsers
		td.setAttribute("className", "basket_td_2"); //For IE; harmless to other browsers.			// Description
		
		var td = tr.insertCell(-1);
		td.innerHTML = '&nbsp;'+productItems[2]; 	// Price	
		td.setAttribute("class", "basket_td_3"); //For Most Browsers
		td.setAttribute("className", "basket_td_3"); //For IE; harmless to other browsers.
		
		var td = tr.insertCell(-1);
		td.style.width = '50';
		td.style.textAlign = 'center';
		var a = document.createElement('A');
		td.appendChild(a);
		a.href = '#';
		
		a.onclick = function(){ removeProductFromBasket(productItems[0]); };
		var img = document.createElement('IMG');
		img.src = 'images/x.gif';
		a.appendChild(img);
		td.setAttribute("class", "basket_td_4"); //For Most Browsers
		td.setAttribute("className", "basket_td_4"); //For IE; harmless to other browsers.
		//td.innerHTML = '<a href="#" onclick="removeProductFromBasket("' + productItems[0] + '");return false;"><img src="images/remove.gif"></a>';	
	} 


	//updateTotalPrice();
	updateTotalAntal();
	
	// Execute AJAX function		
	ajaxObjects[ajaxIndex] = false;	
}

function updateTotalPrice()
{
	var itemBox = document.getElementById('shopping_cart_items');
	// Calculating total price and showing it below the table with basket items
	var totalPrice = 0;
	if(document.getElementById('shopping_cart_totalprice')){
		for(var no=1;no<itemBox.rows.length;no++){
			totalPrice = totalPrice + (itemBox.rows[no].cells[0].innerHTML.replace(/[^0-9]/g) * itemBox.rows[no].cells[2].innerHTML);
			
		}		
		document.getElementById('shopping_cart_totalprice').innerHTML = txt_totalPrice + totalPrice.toFixed(2);
		
	}	
	
}
function updateTotalAntal()
{
	var itemBox = document.getElementById('shopping_cart_items');
	// Calculating total items in basket
	var totalAntal = 0;
	if(document.getElementById('shopping_cart_totalAntal')){
		
		for(var no=0;no<itemBox.rows.length;no++){
			
			
			totalAntal = totalAntal + (itemBox.rows[no].cells[0].innerHTML.replace(/[^0-9]/g) * 1);
			
			
		}
		document.getElementById('shopping_cart_totalAntal').innerHTML = txt_totalAntal1 + totalAntal.toFixed(0) + txt_totalAntal2;
		document.getElementById('left_basket_total').innerHTML = totalAntal.toFixed(0) + ' varer';
		
		}	
	
}
function removeProductFromBasket(productId)
{
	var productRow = document.getElementById('shopping_cart_items_product' + productId);
	var numberOfItemCell = productRow.cells[0];
	var antal_produkter = numberOfItemCell.innerHTML/1 ;
	if(numberOfItemCell.innerHTML == '1'){
		productRow.parentNode.removeChild(productRow);
	}else{
		numberOfItemCell.innerHTML = numberOfItemCell.innerHTML/1 - 1;
	}
	//updateTotalPrice();
	updateTotalAntal();
	;
	ajaxRemoveProduct(productId, antal_produkter);	
}

function ajaxValidateRemovedProduct(ajaxIndex)
{
	//alert(ajaxObjects[ajaxIndex].response);
	if(ajaxObjects[ajaxIndex].response!='OK')alert('Der er sket en fejl varen blev ikke slettet' + ajaxObjects[ajaxIndex].response);
	
}
function ajaxValidateProduct(ajaxIndex)
{
	if(ajaxObjects[ajaxIndex].response=='NOPE' || ajaxObjects[ajaxIndex].response=='FEJL')
	{
		alert('der er sket en fejl, varen blev IKKE tilføejet indkøbslisten');
		
	} else {
		//alert('modtaget : ' + ajaxObjects[ajaxIndex].response);
		showAjaxBasketContent(ajaxIndex);
	}
	
}
function ajaxRemoveProduct(productId, numberOfItemCell)
{
	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].setVar('varer_antal',numberOfItemCell);
	//alert('Sendt til sletning productId = '+productId);
	ajaxObjects[ajaxIndex].onLoading = function(){document.getElementById('kurv').innerHTML = '<img src="/images/ajax-loader2.gif">';};
	ajaxObjects[ajaxIndex].onCompletion = function(){ 
		document.getElementById('kurv').innerHTML = '';
		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);
	//alert('Sendt productId = '+productId);
	ajaxObjects[ajaxIndex].onLoading = function(){document.getElementById('kurv').innerHTML = '<img src="/images/ajax-loader2.gif">';};
	ajaxObjects[ajaxIndex].onInteractive = function() {document.getElementById('kurv').innerHTML = '<img src="/images/ajax-loader2.gif">';};
	ajaxObjects[ajaxIndex].onCompletion = function(){
		document.getElementById('kurv').innerHTML = '';
		ajaxValidateProduct(ajaxIndex); 
		};	// Specify function that will be executed after file has been found
	ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function		
}


function printBasket()
{
var a = window. open('','','scrollbars=yes,width=700,height=300');

a.document.open("text/html");
a.document.write('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">\n'																			+
				 '<html>\n'																					+
				 
				 '<head>\n'																			+
				 '<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">'				+
				 '<title>Økolisten - indkøbsliste</title>'														+
				 '<link rel="stylesheet" href="/css/basket.css" >\n' 					+
				 '<style type="text/css">\n'															+
				 	'#frame{background-image:none;background-color:#FFFFFF;}\n'						+
					'img {display:none;} .donotprint {display: none;}\n'																				+
					'</style>\n'																		+
				'</head>\n' 																			+
				'<body style="padding-left:20px;background-image:none;background-color:#FFFFFF;">\n'
				);
a.document.write("<h1>&Oslash;kolisten.dk</h1>\n");								+
a.document.write(document.getElementById('shopping_cart').innerHTML);
a.document.write('</body>\n'																			+
				'</html>\n'
				);
a.document.close();
a.print();
}