.layer_cart_overlay dissapear

butlerov · September 11, 2017

Hi.After update from 1.6.1.2 to 1.6.1.16 without updating the theme.When im adding product to the cart .layer_cart_overlay does not show anymore .firefox devtool said

TypeError: product.attributes_full is undefined

so its enough to add to line 737 if (typeof product.attributes_full !== 'undefined') ?

please help

	updateLayer : function(product){
		$('#layer_cart_product_title').text(product.name);
		$('#layer_cart_product_attributes').text('');
		if (product.hasAttributes && product.hasAttributes == true)
			$('#layer_cart_product_attributes').html(product.attributes_full.replace(/\,/g,'<br>'));
		$('#layer_cart_product_price').text(product.price);
		$('#layer_cart_product_quantity').text(product.quantity);
		$('.layer_cart_img').html('<img class="layer_cart_img img-responsive" src="' + product.image + '" alt="' + product.name + '" title="' + product.name + '" />');

		var n = parseInt($(window).scrollTop()) + 'px';

		$('.layer_cart_overlay').css('width','100%');
		$('.layer_cart_overlay').css('height','100%');
		$('.layer_cart_overlay').show();
		$('#layer_cart').css({'top': n}).fadeIn('fast');
		crossselling_serialScroll();
	},

		if (idCombination)
						$(jsonData.products).each(function(){
							if (this.id != undefined && this.id == parseInt(idProduct) && this.idCombination == parseInt(idCombination))
								if (contentOnly)
									window.parent.ajaxCart.updateLayer(this);
								else
									ajaxCart.updateLayer(this);
						});

All ajax-cart.js

/*
* 2007-2015 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <[email protected]>
*  @copyright  2007-2015 PrestaShop SA
*  @license    http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/
$(document).ready(function(){
	ajaxCart.overrideButtonsInThePage();

	$(document).on('click', '.block_cart_collapse', function(e){
		e.preventDefault();
		ajaxCart.collapse();
	});
	$(document).on('click', '.block_cart_expand', function(e){
		e.preventDefault();
		ajaxCart.expand();
	});

	var current_timestamp = parseInt(new Date().getTime() / 1000);

	if (typeof $('.ajax_cart_quantity').html() == 'undefined' || (typeof generated_date != 'undefined' && generated_date != null && (parseInt(generated_date) + 30) < current_timestamp))
		ajaxCart.refresh();

	/* roll over cart */
	var cart_block = new HoverWatcher('#header .cart_block');
	var shopping_cart = new HoverWatcher('#header .shopping_cart');
	var is_touch_enabled = false;

	if ('ontouchstart' in document.documentElement)
		is_touch_enabled = true;

	$(document).on('click', '#header .shopping_cart > a:first', function(e){
		e.preventDefault();
		e.stopPropagation();

		// Simulate hover when browser says device is touch based
		if (is_touch_enabled)
		{
			if ($(this).next('.cart_block:visible').length && !cart_block.isHoveringOver())
				$("#header .cart_block").stop(true, true).slideUp(450);
			else if (ajaxCart.nb_total_products > 0 || parseInt($('.ajax_cart_quantity').html()) > 0)
				$("#header .cart_block").stop(true, true).slideDown(450);
			return;
		}
		else
			window.location.href = $(this).attr('href');
	});

/* popup korzini
$("#header .shopping_cart a:first").hover(
		function(){
			if (ajaxCart.nb_total_products > 0 || parseInt($('.ajax_cart_quantity').html()) > 0)
				$("#header .cart_block").stop(true, true).slideDown(450);
		},
		function(){
			setTimeout(function(){
				if (!shopping_cart.isHoveringOver() && !cart_block.isHoveringOver())
					$("#header .cart_block").stop(true, true).slideUp(450);
			}, 200);
		}
	);

	$("#header .cart_block").hover(
		function(){
		},
		function(){
			setTimeout(function(){
				if (!shopping_cart.isHoveringOver())
					$("#header .cart_block").stop(true, true).slideUp(450);
			}, 200);
		}
	);
*/
	$(document).on('click', '.delete_voucher', function(e){
		e.preventDefault();
		$.ajax({
			type: 'POST',
			headers: { "cache-control": "no-cache" },
			async: true,
			cache: false,
			url:$(this).attr('href') + '?rand=' + new Date().getTime()
		});
		$(this).parent().parent().remove();
		ajaxCart.refresh();
		if ($('body').attr('id') == 'order' || $('body').attr('id') == 'order-opc')
		{
			if (typeof(updateAddressSelection) != 'undefined')
				updateAddressSelection();
			else
				location.reload();
		}
	});

	$(document).on('click', '#cart_navigation input', function(e){
		$(this).prop('disabled', 'disabled').addClass('disabled');
		$(this).closest("form").get(0).submit();
	});

	$(document).on('click', '#layer_cart .cross, #layer_cart .continue, .layer_cart_overlay', function(e){
		e.preventDefault();
		$('.layer_cart_overlay').hide();
		$('#layer_cart').fadeOut('fast');
	});

	$('#columns #layer_cart, #columns .layer_cart_overlay').detach().prependTo('#columns');
});

//JS Object : update the cart by ajax actions
var ajaxCart = {
	nb_total_products: 0,
	//override every button in the page in relation to the cart
	overrideButtonsInThePage : function(){
		//for every 'add' buttons...
		$(document).off('click', '.ajax_add_to_cart_button').on('click', '.ajax_add_to_cart_button', function(e){
			e.preventDefault();
			var idProduct =  parseInt($(this).data('id-product'));
			var idProductAttribute =  parseInt($(this).data('id-product-attribute'));
			var minimalQuantity =  parseInt($(this).data('minimal_quantity'));
			if (!minimalQuantity)
				minimalQuantity = 1;
			if ($(this).prop('disabled') != 'disabled')
				ajaxCart.add(idProduct, idProductAttribute, false, this, minimalQuantity);
		});
		//for product page 'add' button...
		if ($('.cart_block').length) {
			$(document).off('click', '#add_to_cart button').on('click', '#add_to_cart button', function(e){
				e.preventDefault();
				ajaxCart.add($('#product_page_product_id').val(), $('#idCombination').val(), true, null, $('#quantity_wanted').val(), null);
			});
		}

		//for 'delete' buttons in the cart block...
		$(document).off('click', '.cart_block_list .ajax_cart_block_remove_link').on('click', '.cart_block_list .ajax_cart_block_remove_link', function(e){
			e.preventDefault();
			// Customized product management
			var customizationId = 0;
			var productId = 0;
			var productAttributeId = 0;
			var customizableProductDiv = $($(this).parent().parent()).find("div[data-id^=deleteCustomizableProduct_]");
			var idAddressDelivery = false;

			if (customizableProductDiv && $(customizableProductDiv).length)
			{
				var ids = customizableProductDiv.data('id').split('_');
				if (typeof(ids[1]) != 'undefined')
				{
					customizationId = parseInt(ids[1]);
					productId = parseInt(ids[2]);
					if (typeof(ids[3]) != 'undefined')
						productAttributeId = parseInt(ids[3]);
					if (typeof(ids[4]) != 'undefined')
						idAddressDelivery = parseInt(ids[4]);
				}
			}

			// Common product management
			if (!customizationId)
			{
				//retrieve idProduct and idCombination from the displayed product in the block cart
				var firstCut = $(this).parent().parent().data('id').replace('cart_block_product_', '');
				firstCut = firstCut.replace('deleteCustomizableProduct_', '');
				ids = firstCut.split('_');
				productId = parseInt(ids[0]);

				if (typeof(ids[1]) != 'undefined')
					productAttributeId = parseInt(ids[1]);
				if (typeof(ids[2]) != 'undefined')
					idAddressDelivery = parseInt(ids[2]);
			}

			// Removing product from the cart
			ajaxCart.remove(productId, productAttributeId, customizationId, idAddressDelivery);
		});
	},

	// try to expand the cart
	expand : function(){
		if ($('.cart_block_list').hasClass('collapsed'))
		{
			$('.cart_block_list.collapsed').slideDown({
				duration: 450,
				complete: function(){
					$(this).parent().show(); // parent is hidden in global.js::accordion()
					$(this).addClass('expanded').removeClass('collapsed');
				}
			});

			// save the expand statut in the user cookie
			$.ajax({
				type: 'POST',
				headers: { "cache-control": "no-cache" },
				url: baseDir + 'modules/blockcart/blockcart-set-collapse.php' + '?rand=' + new Date().getTime(),
				async: true,
				cache: false,
				data: 'ajax_blockcart_display=expand',
				complete: function(){
					$('.block_cart_expand').fadeOut('fast', function(){
						$('.block_cart_collapse').fadeIn('fast');
					});
				}
			});
		}
	},

	// try to collapse the cart
	collapse : function(){
		if ($('.cart_block_list').hasClass('expanded'))
		{
			$('.cart_block_list.expanded').slideUp('slow', function(){
				$(this).addClass('collapsed').removeClass('expanded');
			});

			// save the expand statut in the user cookie
			$.ajax({
				type: 'POST',
				headers: { "cache-control": "no-cache" },
				url: baseDir + 'modules/blockcart/blockcart-set-collapse.php' + '?rand=' + new Date().getTime(),
				async: true,
				cache: false,
				data: 'ajax_blockcart_display=collapse' + '&rand=' + new Date().getTime(),
				complete: function(){
					$('.block_cart_collapse').fadeOut('fast', function(){
						$('.block_cart_expand').fadeIn('fast');
					});
				}
			});
		}
	},
	// Fix display when using back and previous browsers buttons
	refresh : function(){
		$.ajax({
			type: 'POST',
			headers: { "cache-control": "no-cache" },
			url: (typeof(baseUri) !== 'undefined') ? baseUri + '?rand=' + new Date().getTime() : '',
			async: true,
			cache: false,
			dataType : "json",
			data: (typeof(static_token) !== 'undefined') ? 'controller=cart&ajax=true&token=' + static_token : '',
			success: function(jsonData)
			{
				ajaxCart.updateCart(jsonData);
			}
		});
	},

	// Update the cart information
	updateCartInformation : function (jsonData, addedFromProductPage){
		ajaxCart.updateCart(jsonData);
		//reactive the button when adding has finished
		if (addedFromProductPage)
		{
			$('#add_to_cart button').removeProp('disabled').removeClass('disabled');
			if (!jsonData.hasError || jsonData.hasError == false)
				$('#add_to_cart button').addClass('added');
			else
				$('#add_to_cart button').removeClass('added');
		}
		else
			$('.ajax_add_to_cart_button').removeProp('disabled');
	},
	// close fancybox
	updateFancyBox : function (){},
	// add a product in the cart via ajax
	add : function(idProduct, idCombination, addedFromProductPage, callerElement, quantity, whishlist){

		if (addedFromProductPage && !checkCustomizations())
		{
			if (contentOnly)
			{
				var productUrl = window.document.location.href + '';
				var data = productUrl.replace('content_only=1', '');
				window.parent.document.location.href = data;
				return;
			}
			if (!!$.prototype.fancybox)
				$.fancybox.open([
					{
						type: 'inline',
						autoScale: true,
						minHeight: 30,
						content: '<p class="fancybox-error">' + fieldRequired + '</p>'
					}
				], {
					padding: 0
				});
			else
				alert(fieldRequired);
			return;
		}

		//disabled the button when adding to not double add if user double click
		if (addedFromProductPage)
		{
			$('#add_to_cart button').prop('disabled', 'disabled').addClass('disabled');
			$('.filled').removeClass('filled');
		}
		else
			$(callerElement).prop('disabled', 'disabled');

		if ($('.cart_block_list').hasClass('collapsed'))
			this.expand();
		//send the ajax request to the server

		$.ajax({
			type: 'POST',
			headers: { "cache-control": "no-cache" },
			url: baseUri + '?rand=' + new Date().getTime(),
			async: true,
			cache: false,
			dataType : "json",
			data: 'controller=cart&add=1&ajax=true&qty=' + ((quantity && quantity != null) ? quantity : '1') + '&id_product=' + idProduct + '&token=' + static_token + ( (parseInt(idCombination) && idCombination != null) ? '&ipa=' + parseInt(idCombination): '' + '&id_customization=' + ((typeof customizationId !== 'undefined') ? customizationId : 0)),
			success: function(jsonData,textStatus,jqXHR)
			{
				// add appliance to whishlist module
				if (whishlist && !jsonData.errors)
					WishlistAddProductCart(whishlist[0], idProduct, idCombination, whishlist[1]);

				if (!jsonData.hasError)
				{
					if (contentOnly)
						window.parent.ajaxCart.updateCartInformation(jsonData, addedFromProductPage);
					else
						ajaxCart.updateCartInformation(jsonData, addedFromProductPage);

					if (jsonData.crossSelling)
						$('.crossseling').html(jsonData.crossSelling);

					if (idCombination)
						$(jsonData.products).each(function(){
							if (this.id != undefined && this.id == parseInt(idProduct) && this.idCombination == parseInt(idCombination))
								if (contentOnly)
									window.parent.ajaxCart.updateLayer(this);
								else
									ajaxCart.updateLayer(this);
						});
					else
						$(jsonData.products).each(function(){
							if (this.id != undefined && this.id == parseInt(idProduct))
								if (contentOnly)
									window.parent.ajaxCart.updateLayer(this);
								else
									ajaxCart.updateLayer(this);
						});
					if (contentOnly)
						parent.$.fancybox.close();
				}
				else
				{
					if (contentOnly)
						window.parent.ajaxCart.updateCart(jsonData);
					else
						ajaxCart.updateCart(jsonData);
					if (addedFromProductPage)
						$('#add_to_cart button').removeProp('disabled').removeClass('disabled');
					else
						$(callerElement).removeProp('disabled');
				}

				emptyCustomizations();

			},
			error: function(XMLHttpRequest, textStatus, errorThrown)
			{
				var error = "Impossible to add the product to the cart.<br/>textStatus: '" + textStatus + "'<br/>errorThrown: '" + errorThrown + "'<br/>responseText:<br/>" + XMLHttpRequest.responseText;
				if (!!$.prototype.fancybox)
					$.fancybox.open([
					{
						type: 'inline',
						autoScale: true,
						minHeight: 30,
						content: '<p class="fancybox-error">' + error + '</p>'
					}],
					{
						padding: 0
					});
				else
					alert(error);
				//reactive the button when adding has finished
				if (addedFromProductPage)
					$('#add_to_cart button').removeProp('disabled').removeClass('disabled');
				else
					$(callerElement).removeProp('disabled');
			}
		});
	},

	//remove a product from the cart via ajax
	remove : function(idProduct, idCombination, customizationId, idAddressDelivery){
		//send the ajax request to the server
		$.ajax({
			type: 'POST',
			headers: { "cache-control": "no-cache" },
			url: baseUri + '?rand=' + new Date().getTime(),
			async: true,
			cache: false,
			dataType : "json",
			data: 'controller=cart&delete=1&id_product=' + idProduct + '&ipa=' + ((idCombination != null && parseInt(idCombination)) ? idCombination : '') + ((customizationId && customizationId != null) ? '&id_customization=' + customizationId : '') + '&id_address_delivery=' + idAddressDelivery + '&token=' + static_token + '&ajax=true',
			success: function(jsonData)	{
				ajaxCart.updateCart(jsonData);
				if ($('body').attr('id') == 'order' || $('body').attr('id') == 'order-opc')
					deleteProductFromSummary(idProduct+'_'+idCombination+'_'+customizationId+'_'+idAddressDelivery);
			},
			error: function()
			{
				var error = 'ERROR: unable to delete the product';
				if (!!$.prototype.fancybox)
				{
					$.fancybox.open([
						{
							type: 'inline',
							autoScale: true,
							minHeight: 30,
							content: error
						}
					], {
						padding: 0
					});
				}
				else
					alert(error);
			}
		});
	},

	//hide the products displayed in the page but no more in the json data
	hideOldProducts : function(jsonData){
		//delete an eventually removed product of the displayed cart (only if cart is not empty!)
		if ($('.cart_block_list:first dl.products').length > 0)
		{
			var removedProductId = null;
			var removedProductData = null;
			var removedProductDomId = null;
			//look for a product to delete...
			$('.cart_block_list:first dl.products dt').each(function(){
				//retrieve idProduct and idCombination from the displayed product in the block cart
				var domIdProduct = $(this).data('id');
				var firstCut = domIdProduct.replace('cart_block_product_', '');
				var ids = firstCut.split('_');

				//try to know if the current product is still in the new list
				var stayInTheCart = false;
				for (aProduct in jsonData.products)
				{
					//we've called the variable aProduct because IE6 bug if this variable is called product
					//if product has attributes
					if (jsonData.products[aProduct]['id'] == ids[0] && (!ids[1] || jsonData.products[aProduct]['idCombination'] == ids[1]))
					{
						stayInTheCart = true;
						// update the product customization display (when the product is still in the cart)
						ajaxCart.hideOldProductCustomizations(jsonData.products[aProduct], domIdProduct);
					}
				}
				//remove product if it's no more in the cart
				if (!stayInTheCart)
				{
					removedProductId = $(this).data('id');
					if (removedProductId != null)
					{
						var firstCut =  removedProductId.replace('cart_block_product_', '');
						var ids = firstCut.split('_');

						$('dt[data-id="' + removedProductId + '"]').addClass('strike').fadeTo('slow', 0, function(){
							$(this).slideUp('slow', function(){
								$(this).remove();
								// If the cart is now empty, show the 'no product in the cart' message and close detail
								if($('.cart_block:first dl.products dt').length == 0)
								{
									$('.ajax_cart_quantity').html('0');
									$("#header .cart_block").stop(true, true).slideUp(200);
									$('.cart_block_no_products:hidden').slideDown(450);
									$('.cart_block dl.products').remove();
								}
							});
						});
						$('dd[data-id="cart_block_combination_of_' + ids[0] + (ids[1] ? '_'+ids[1] : '') + (ids[2] ? '_'+ids[2] : '') + '"]').fadeTo('fast', 0, function(){
							$(this).slideUp('fast', function(){
								$(this).remove();
							});
						});
					}
				}
			});
		}
	},

	hideOldProductCustomizations : function (product, domIdProduct){
		var customizationList = $('ul[data-id="customization_' + product['id'] + '_' + product['idCombination'] + '"]');
		if(customizationList.length > 0)
		{
			$(customizationList).find("li").each(function(){
				$(this).find("div").each(function(){
					var customizationDiv = $(this).data('id');
					var tmp = customizationDiv.replace('deleteCustomizableProduct_', '');
					var ids = tmp.split('_');
					if ((parseInt(product.idCombination) == parseInt(ids[2])) && !ajaxCart.doesCustomizationStillExist(product, ids[0]))
						$('div[data-id="' + customizationDiv + '"]').parent().addClass('strike').fadeTo('slow', 0, function(){
							$(this).slideUp('slow');
							$(this).remove();
						});
				});
			});
		}

		var removeLinks = $('.deleteCustomizableProduct[data-id="' + domIdProduct + '"]').find('.ajax_cart_block_remove_link');
		if (!product.hasCustomizedDatas && !removeLinks.length)
			$('div[data-id="' + domIdProduct + '"]' + ' span.remove_link').html('<a class="ajax_cart_block_remove_link" rel="nofollow" href="' + baseUri + '?controller=cart&delete=1&id_product=' + product['id'] + '&ipa=' + product['idCombination'] + '&token=' + static_token + '"> </a>');
		if (product.is_gift)
			$('div[data-id="' + domIdProduct + '"]' + ' span.remove_link').html('');
	},

	doesCustomizationStillExist : function (product, customizationId){
		var exists = false;

		$(product.customizedDatas).each(function(){
			if (this.customizationId == customizationId)
			{
				exists = true;
				// This return does not mean that we found nothing but simply break the loop
				return false;
			}
		});
		return (exists);
	},

	//refresh display of vouchers (needed for vouchers in % of the total)
	refreshVouchers : function (jsonData){
		if (typeof(jsonData.discounts) == 'undefined' || jsonData.discounts.length == 0)
			$('.vouchers').hide();
		else
		{
			$('.vouchers tbody').html('');

			for (i=0;i<jsonData.discounts.length;i++)
			{
				if (parseFloat(jsonData.discounts[i].price_float) > 0)
				{
					var delete_link = '';
					if (jsonData.discounts[i].code.length)
						delete_link = '<a class="delete_voucher" href="'+jsonData.discounts[i].link+'" title="'+delete_txt+'"><i class="icon-remove-sign"></i></a>';
					$('.vouchers tbody').append($(
						'<tr class="bloc_cart_voucher" data-id="bloc_cart_voucher_'+jsonData.discounts[i].id+'">'
						+'	<td class="quantity">1x</td>'
						+'	<td class="name" title="'+jsonData.discounts[i].description+'">'+jsonData.discounts[i].name+'</td>'
						+'	<td class="price">-'+jsonData.discounts[i].price+'</td>'
						+'	<td class="delete">' + delete_link + '</td>'
						+'</tr>'
					));
				}
			}
			$('.vouchers').show();
		}

	},

	// Update product quantity
	updateProductQuantity : function (product, quantity){
		$('dt[data-id=cart_block_product_' + product.id + '_' + (product.idCombination ? product.idCombination : '0')+ '_' + (product.idAddressDelivery ? product.idAddressDelivery : '0') + '] .quantity').fadeTo('fast', 0, function(){
			$(this).text(quantity);
			$(this).fadeTo('fast', 1, function(){
				$(this).fadeTo('fast', 0, function(){
					$(this).fadeTo('fast', 1, function(){
						$(this).fadeTo('fast', 0, function(){
							$(this).fadeTo('fast', 1);
						});
					});
				});
			});
		});
	},

	//display the products witch are in json data but not already displayed
	displayNewProducts : function(jsonData){
		//add every new products or update displaying of every updated products
		$(jsonData.products).each(function(){
			//fix ie6 bug (one more item 'undefined' in IE6)
			if (this.id != undefined)
			{
				//create a container for listing the products and hide the 'no product in the cart' message (only if the cart was empty)

				if ($('.cart_block:first dl.products').length == 0)
				{
					$('.cart_block_no_products').before('<dl class="products"></dl>');
					$('.cart_block_no_products').hide();
				}
				//if product is not in the displayed cart, add a new product's line
				var domIdProduct = this.id + '_' + (this.idCombination ? this.idCombination : '0') + '_' + (this.idAddressDelivery ? this.idAddressDelivery : '0');
				var domIdProductAttribute = this.id + '_' + (this.idCombination ? this.idCombination : '0');

				if ($('dt[data-id="cart_block_product_' + domIdProduct + '"]').length == 0)
				{
					var productId = parseInt(this.id);
					var productAttributeId = (this.hasAttributes ? parseInt(this.attributes) : 0);
					var content =  '<dt class="unvisible" data-id="cart_block_product_' + domIdProduct + '">';
					var name = $.trim($('<span />').html(this.name).text());
					name = (name.length > 12 ? name.substring(0, 10) + '...' : name);
					content += '<a class="cart-images" href="' + this.link + '" title="' + name + '"><img  src="' + this.image_cart + '" alt="' + this.name +'"></a>';
					content += '<div class="cart-info"><div class="product-name">' + '<span class="quantity-formated"><span class="quantity">' + this.quantity + '</span> x </span><a href="' + this.link + '" title="' + this.name + '" class="cart_block_product_name">' + name + '</a></div>';
					if (this.hasAttributes)
						  content += '<div class="product-atributes"><a href="' + this.link + '" title="' + this.name + '">' + this.attributes + '</a></div>';
					if (typeof(freeProductTranslation) != 'undefined')
						content += '<span class="price">' + (parseFloat(this.price_float) > 0 ? this.priceByLine : freeProductTranslation) + '</span></div>';

					if (typeof(this.is_gift) == 'undefined' || this.is_gift == 0)
						content += '<span class="remove_link"><a rel="nofollow" class="ajax_cart_block_remove_link" href="' + baseUri + '?controller=cart&delete=1&id_product=' + productId + '&token=' + static_token + (this.hasAttributes ? '&ipa=' + parseInt(this.idCombination) : '') + '"> </a></span>';
					else
						content += '<span class="remove_link"></span>';
					content += '</dt>';
					if (this.hasAttributes)
						content += '<dd data-id="cart_block_combination_of_' + domIdProduct + '" class="unvisible">';
					if (this.hasCustomizedDatas)
						content += ajaxCart.displayNewCustomizedDatas(this);
					if (this.hasAttributes) content += '</dd>';

					$('.cart_block dl.products').append(content);
				}
				//else update the product's line
				else
				{
					var jsonProduct = this;
					if($.trim($('dt[data-id="cart_block_product_' + domIdProduct + '"] .quantity').html()) != jsonProduct.quantity || $.trim($('dt[data-id="cart_block_product_' + domIdProduct + '"] .price').html()) != jsonProduct.priceByLine)
					{
						// Usual product
						if (!this.is_gift)
							$('dt[data-id="cart_block_product_' + domIdProduct + '"] .price').text(jsonProduct.priceByLine);
						else
							$('dt[data-id="cart_block_product_' + domIdProduct + '"] .price').html(freeProductTranslation);
						ajaxCart.updateProductQuantity(jsonProduct, jsonProduct.quantity);

						// Customized product
						if (jsonProduct.hasCustomizedDatas)
						{
							customizationFormatedDatas = ajaxCart.displayNewCustomizedDatas(jsonProduct);
							if (!$('ul[data-id="customization_' + domIdProductAttribute + '"]').length)
							{
								if (jsonProduct.hasAttributes)
									$('dd[data-id="cart_block_combination_of_' + domIdProduct + '"]').append(customizationFormatedDatas);
								else
									$('.cart_block dl.products').append(customizationFormatedDatas);
							}
							else
							{
								$('ul[data-id="customization_' + domIdProductAttribute + '"]').html('');
								$('ul[data-id="customization_' + domIdProductAttribute + '"]').append(customizationFormatedDatas);
							}
						}
					}
				}
				$('.cart_block dl.products .unvisible').slideDown(450).removeClass('unvisible');

			var removeLinks = $('dt[data-id="cart_block_product_' + domIdProduct + '"]').find('a.ajax_cart_block_remove_link');
			if (this.hasCustomizedDatas && removeLinks.length)
				$(removeLinks).each(function(){
					$(this).remove();
				});
			}
		});
	},

	displayNewCustomizedDatas : function(product){
		var content = '';
		var productId = parseInt(product.id);
		var productAttributeId = typeof(product.idCombination) == 'undefined' ? 0 : parseInt(product.idCombination);
		var hasAlreadyCustomizations = $('ul[data-id="customization_' + productId + '_' + productAttributeId + '"]').length;

		if (!hasAlreadyCustomizations)
		{
			if (!product.hasAttributes)
				content += '<dd data-id="cart_block_combination_of_' + productId + '" class="unvisible">';
			if ($('ul[data-id="customization_' + productId + '_' + productAttributeId + '"]').val() == undefined)
				content += '<ul class="cart_block_customizations" data-id="customization_' + productId + '_' + productAttributeId + '">';
		}

		$(product.customizedDatas).each(function(){
			var done = 0;
			customizationId = parseInt(this.customizationId);
			productAttributeId = typeof(product.idCombination) == 'undefined' ? 0 : parseInt(product.idCombination);
			content += '<li name="customization"><div class="deleteCustomizableProduct" data-id="deleteCustomizableProduct_' + customizationId + '_' + productId + '_' + (productAttributeId ?  productAttributeId : '0') + '"><a rel="nofollow" class="ajax_cart_block_remove_link" href="' + baseUri + '?controller=cart&delete=1&id_product=' + productId + '&ipa=' + productAttributeId + '&id_customization=' + customizationId + '&token=' + static_token + '"></a></div>';

			// Give to the customized product the first textfield value as name
			$(this.datas).each(function(){
				if (this['type'] == CUSTOMIZE_TEXTFIELD)
				{
					$(this.datas).each(function(){
						if (this['index'] == 0)
						{
							content += ' ' + this.truncatedValue.replace(/<br \/>/g, ' ');
							done = 1;
							return false;
						}
					})
				}
			});

			// If the customized product did not have any textfield, it will have the customizationId as name
			if (!done)
				content += customizationIdMessage + customizationId;
			if (!hasAlreadyCustomizations) content += '</li>';
			// Field cleaning
			if (customizationId)
			{
				$('#uploadable_files li div.customizationUploadBrowse img').remove();
				$('#text_fields input').attr('value', '');
			}
		});

		if (!hasAlreadyCustomizations)
		{
			content += '</ul>';
			if (!product.hasAttributes) content += '</dd>';
		}
		return (content);
	},

	updateLayer : function(product){
		$('#layer_cart_product_title').text(product.name);
		$('#layer_cart_product_attributes').text('');
		if (product.hasAttributes && product.hasAttributes == true)
			$('#layer_cart_product_attributes').html(product.attributes_full.replace(/\,/g,'<br>'));
		$('#layer_cart_product_price').text(product.price);
		$('#layer_cart_product_quantity').text(product.quantity);
		$('.layer_cart_img').html('<img class="layer_cart_img img-responsive" src="' + product.image + '" alt="' + product.name + '" title="' + product.name + '" />');

		var n = parseInt($(window).scrollTop()) + 'px';

		$('.layer_cart_overlay').css('width','100%');
		$('.layer_cart_overlay').css('height','100%');
		$('.layer_cart_overlay').show();
		$('#layer_cart').css({'top': n}).fadeIn('fast');
		crossselling_serialScroll();
	},

	//genarally update the display of the cart
	updateCart : function(jsonData){
		//user errors display
		if (jsonData.hasError)
		{
			var errors = '';
			for (error in jsonData.errors)
				//IE6 bug fix
				if (error != 'indexOf')
					errors += $('<div />').html(jsonData.errors[error]).text() + "\n";
			if (!!$.prototype.fancybox)
				$.fancybox.open([
					{
						type: 'inline',
						autoScale: true,
						minHeight: 30,
						content: '<p class="fancybox-error">' + errors + '</p>'
					}
				], {
					padding: 0
				});
			else
				alert(errors);
		}
		else
		{
			ajaxCart.updateCartEverywhere(jsonData);
			ajaxCart.hideOldProducts(jsonData);
			ajaxCart.displayNewProducts(jsonData);
			ajaxCart.refreshVouchers(jsonData);

			//update 'first' and 'last' item classes
			$('.cart_block .products dt').removeClass('first_item').removeClass('last_item').removeClass('item');
			$('.cart_block .products dt:first').addClass('first_item');
			$('.cart_block .products dt:not(:first,:last)').addClass('item');
			$('.cart_block .products dt:last').addClass('last_item');
		}
	},

	//update general cart informations everywhere in the page
	updateCartEverywhere : function(jsonData){
		$('.ajax_cart_total').text($.trim(jsonData.productTotal));

		if (typeof hasDeliveryAddress == 'undefined')
			hasDeliveryAddress = false;

		if (parseFloat(jsonData.shippingCostFloat) > 0)
			$('.ajax_cart_shipping_cost').text(jsonData.shippingCost).parent().find('.unvisible').show();
		else if ((hasDeliveryAddress || typeof(orderProcess) !== 'undefined' && orderProcess == 'order-opc') && typeof(freeShippingTranslation) != 'undefined')
			$('.ajax_cart_shipping_cost').html(freeShippingTranslation);
		else if ((typeof toBeDetermined !== 'undefined') && !hasDeliveryAddress)
			$('.ajax_cart_shipping_cost').html(toBeDetermined);

		if (!jsonData.shippingCostFloat && !jsonData.free_ship)
			$('.ajax_cart_shipping_cost').parent().find('.unvisible').hide();
		else if (hasDeliveryAddress && !jsonData.isVirtualCart)
			$('.ajax_cart_shipping_cost').parent().find('.unvisible').show();

		$('.ajax_cart_tax_cost').text(jsonData.taxCost);
		$('.cart_block_wrapping_cost').text(jsonData.wrappingCost);
		$('.ajax_block_cart_total').text(jsonData.total);
		$('.ajax_block_products_total').text(jsonData.productTotal);
		$('.ajax_total_price_wt').text(jsonData.total_price_wt);

		if (parseFloat(jsonData.freeShippingFloat) > 0)
		{
			$('.ajax_cart_free_shipping').html(jsonData.freeShipping);
			$('.freeshipping').fadeIn(0);
		}
		else if (parseFloat(jsonData.freeShippingFloat) == 0)
			$('.freeshipping').fadeOut(0);

		this.nb_total_products = jsonData.nbTotalProducts;

		if (parseInt(jsonData.nbTotalProducts) > 0)
		{
			$('.ajax_cart_no_product').hide();
			$('.ajax_cart_quantity').text(jsonData.nbTotalProducts);
			$('.ajax_cart_quantity').fadeIn('slow');
			$('.ajax_cart_total').fadeIn('slow');

			if (parseInt(jsonData.nbTotalProducts) > 1)
			{
				$('.ajax_cart_product_txt').each( function (){
					$(this).hide();
				});

				$('.ajax_cart_product_txt_s').each( function (){
					$(this).show();
				});
			}
			else
			{
				$('.ajax_cart_product_txt').each( function (){
					$(this).show();
				});

				$('.ajax_cart_product_txt_s').each( function (){
					$(this).hide();
				});
			}
		}
		else
		{
			$('.ajax_cart_quantity, .ajax_cart_product_txt_s, .ajax_cart_product_txt, .ajax_cart_total').each(function(){
				$(this).hide();
			});
			$('.ajax_cart_no_product').show('slow');
		}
	}
};

function HoverWatcher(selector)
{
	this.hovering = false;
	var self = this;

	this.isHoveringOver = function(){
		return self.hovering;
	}

	$(selector).hover(function(){
		self.hovering = true;
	}, function(){
		self.hovering = false;
	})
}

function crossselling_serialScroll()
{
	if (!!$.prototype.bxSlider)
		$('#blockcart_caroucel').bxSlider({
			minSlides: 2,
			maxSlides: 4,
			slideWidth: 178,
			slideMargin: 20,
			moveSlides: 1,
			infiniteLoop: false,
			hideControlOnEnd: true,
			pager: false
		});
}

Edited September 11, 2017 by butlerov (see edit history)

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.layer_cart_overlay dissapear

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