woocommerce/assets/js/frontend/add-to-cart.js

jQuery(document).ready(function($) {

	// Ajax add to cart
	$(document).on( 'click', '.add_to_cart_button', function() {

		// AJAX add to cart request
		var $thisbutton = $(this);

		if ($thisbutton.is('.product_type_simple, .product_type_downloadable, .product_type_virtual')) {

			if (!$thisbutton.attr('data-product_id')) return true;

			$thisbutton.removeClass('added');
			$thisbutton.addClass('loading');

			var data = {
				action: 		'woocommerce_add_to_cart',
				product_id: 	$thisbutton.attr('data-product_id'),
				security: 		woocommerce_params.add_to_cart_nonce
			};

			// Trigger event
			$('body').trigger('adding_to_cart');

			// Ajax action
			$.post( woocommerce_params.ajax_url, data, function(response) {

				var this_page = window.location.toString();

				this_page = this_page.replace( 'add-to-cart', 'added-to-cart' );

				$thisbutton.removeClass('loading');

				// Get response
				data = $.parseJSON( response );

				if (data.error && data.product_url) {
					window.location = data.product_url;
					return;
				}

				fragments = data;

				// Block fragments class
				if (fragments) {
					$.each(fragments, function(key, value) {
						$(key).addClass('updating');
					});
				}

				// Block widgets and fragments
				$('.widget_shopping_cart, .shop_table.cart, .updating, .cart_totals').fadeTo('400', '0.6').block({message: null, overlayCSS: {background: 'transparent url(' + woocommerce_params.ajax_loader_url + ') no-repeat center', backgroundSize: '16px 16px', opacity: 0.6 } } );

				// Changes button classes
				if ( $thisbutton.parent().find('.added_to_cart').size() == 0 )
					$thisbutton.addClass('added').after( ' <a href="' + woocommerce_params.cart_url + '" class="added_to_cart" title="' + woocommerce_params.i18n_view_cart + '">' + woocommerce_params.i18n_view_cart + '</a>' );

				// Cart widget load
				if ($('.widget_shopping_cart').size()>0) {
					$('.widget_shopping_cart:eq(0)').load( this_page + ' .widget_shopping_cart:eq(0) > *', function() {

						// Replace fragments
						if (fragments) {
							$.each(fragments, function(key, value) {
								$(key).replaceWith(value);
							});
						}

						// Unblock
						$('.widget_shopping_cart, .updating').stop(true).css('opacity', '1').unblock();

						$('body').trigger('cart_widget_refreshed');
					} );
				} else {
					// Replace fragments
					if (fragments) {
						$.each(fragments, function(key, value) {
							$(key).replaceWith(value);
						});
					}

					// Unblock
					$('.widget_shopping_cart, .updating').stop(true).css('opacity', '1').unblock();
				}

				// Cart page elements
				$('.shop_table.cart').load( this_page + ' .shop_table.cart:eq(0) > *', function() {

					$("div.quantity:not(.buttons_added), td.quantity:not(.buttons_added)").addClass('buttons_added').append('<input type="button" value="+" id="add1" class="plus" />').prepend('<input type="button" value="-" id="minus1" class="minus" />');

					$('.shop_table.cart').stop(true).css('opacity', '1').unblock();

					$('body').trigger('cart_page_refreshed');
				});

				$('.cart_totals').load( this_page + ' .cart_totals:eq(0) > *', function() {
					$('.cart_totals').stop(true).css('opacity', '1').unblock();
				});

				// Trigger event so themes can refresh other areas
				$('body').trigger('added_to_cart');

			});

			return false;

		} else {
			return true;
		}

	});

});