woocommerce/widgets/widget-cart.php

<?php
/**
 * Shopping Cart Widget
 *
 * Displays shopping cart widget
 *
 * @package		WooCommerce
 * @category	Widgets
 * @author		WooThemes
 */
class WooCommerce_Widget_Cart extends WP_Widget {

	/** Variables to setup the widget. */
	var $woo_widget_cssclass;
	var $woo_widget_description;
	var $woo_widget_idbase;
	var $woo_widget_name;

	/** constructor */
	function WooCommerce_Widget_Cart() {

		/* Widget variable settings. */
		$this->woo_widget_cssclass = 'widget_shopping_cart';
		$this->woo_widget_description = __( "Display the user's Shopping Cart in the sidebar.", 'woocommerce' );
		$this->woo_widget_idbase = 'woocommerce_shopping_cart';
		$this->woo_widget_name = __('WooCommerce Shopping Cart', 'woocommerce' );

		/* Widget settings. */
		$widget_ops = array( 'classname' => $this->woo_widget_cssclass, 'description' => $this->woo_widget_description );

		/* Create the widget. */
		$this->WP_Widget('shopping_cart', $this->woo_widget_name, $widget_ops);
	}

	/** @see WP_Widget */
	function widget( $args, $instance ) {
		global $woocommerce;

		if ( is_cart() || is_checkout() ) return;

		extract($args);
		if ( ! empty( $instance['title'] ) ) $title = $instance['title']; else $title = __('Cart', 'woocommerce');
		$title = apply_filters('widget_title', $title, $instance, $this->id_base);
		$hide_if_empty = isset( $instance['hide_if_empty'] ) && $instance['hide_if_empty']  ? '1' : '0';

		echo $before_widget;
		if ( $title ) echo $before_title . $title . $after_title;

		echo '<ul class="cart_list product_list_widget ';
		if ($hide_if_empty) echo 'hide_cart_widget_if_empty';
		echo '">';
		
		if ( sizeof( $woocommerce->cart->get_cart() ) > 0 ) {
		
			foreach ( $woocommerce->cart->get_cart() as $cart_item_key => $cart_item ) {

				if ( apply_filters('woocommerce_widget_cart_hide_item', 'show', $cart_item, $cart_item_key) == 'hide' ) continue;

				$_product = $cart_item['data'];
				
				if ( $_product->exists() && $cart_item['quantity'] > 0 ) {
				
					echo '<li><a href="'.get_permalink($cart_item['product_id']).'">';

					echo $_product->get_image();

					echo apply_filters('woocommerce_cart_widget_product_title', $_product->get_title(), $_product) . '</a>';

	   				echo $woocommerce->cart->get_item_data( $cart_item );

	   				$product_price = get_option('woocommerce_display_cart_prices_excluding_tax') == 'yes' || $woocommerce->customer->is_vat_exempt() ? $_product->get_price_excluding_tax() : $_product->get_price();
							
					$product_price = apply_filters('woocommerce_cart_item_price_html', woocommerce_price( $product_price ), $cart_item, $cart_item_key ); 		
								
					echo '<span class="quantity">' . $cart_item['quantity'] . ' &times; ' . $product_price . '</span></li>';
				}
				
			}
			
		} else {
			echo '<li class="empty">' . __('No products in the cart.', 'woocommerce') . '</li>';
		}
		echo '</ul>';

		if ( sizeof( $woocommerce->cart->get_cart() ) > 0 ) {
		
			echo '<p class="total"><strong>' . __('Subtotal', 'woocommerce') . ':</strong> '. $woocommerce->cart->get_cart_subtotal() . '</p>';

			do_action( 'woocommerce_widget_shopping_cart_before_buttons' );

			echo '<p class="buttons"><a href="' . $woocommerce->cart->get_cart_url() . '" class="button">' . __('View Cart &rarr;', 'woocommerce') . '</a> <a href="' . $woocommerce->cart->get_checkout_url() . '" class="button checkout">' . __('Checkout &rarr;', 'woocommerce') . '</a></p>';
			
		}
		
		echo $after_widget;

		if ( $hide_if_empty && sizeof( $woocommerce->cart->get_cart() ) == 0 ) {
			$inline_js = "
				jQuery('.hide_cart_widget_if_empty').closest('.widget').hide();
				jQuery('body').bind('adding_to_cart', function(){
					jQuery(this).find('.hide_cart_widget_if_empty').closest('.widget').fadeIn();
				});
			";

			$woocommerce->add_inline_js( $inline_js );
		}
	}

	/** @see WP_Widget->update */
	function update( $new_instance, $old_instance ) {
		$instance['title'] = strip_tags(stripslashes($new_instance['title']));
		$instance['hide_if_empty'] = !empty($new_instance['hide_if_empty']) ? 1 : 0;
		return $instance;
	}

	/** @see WP_Widget->form */
	function form( $instance ) {
		$hide_if_empty = isset( $instance['hide_if_empty'] ) ? (bool) $instance['hide_if_empty'] : false;
		?>
		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:', 'woocommerce') ?></label>
		<input type="text" class="widefat" id="<?php echo esc_attr( $this->get_field_id('title') ); ?>" name="<?php echo esc_attr( $this->get_field_name('title') ); ?>" value="<?php if (isset ( $instance['title'])) {echo esc_attr( $instance['title'] );} ?>" /></p>

		<p><input type="checkbox" class="checkbox" id="<?php echo esc_attr( $this->get_field_id('hide_if_empty') ); ?>" name="<?php echo esc_attr( $this->get_field_name('hide_if_empty') ); ?>"<?php checked( $hide_if_empty ); ?> />
		<label for="<?php echo $this->get_field_id('hide_if_empty'); ?>"><?php _e( 'Hide if cart is empty', 'woocommerce' ); ?></label></p>
		<?php
	}

} // class WooCommerce_Widget_Cart