woocommerce/includes/widgets/class-wc-widget-cart.php

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<?php
/**
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* Shopping Cart Widget.
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*
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* Displays shopping cart widget.
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*
* @package WooCommerce/Widgets
* @version 2.3.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Widget cart class.
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*/
class WC_Widget_Cart extends WC_Widget {
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/**
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* Constructor.
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*/
public function __construct() {
$this->widget_cssclass = 'woocommerce widget_shopping_cart';
$this->widget_description = __( 'Display the customer shopping cart.', 'woocommerce' );
$this->widget_id = 'woocommerce_widget_cart';
$this->widget_name = __( 'Cart', 'woocommerce' );
$this->settings = array(
'title' => array(
'type' => 'text',
'std' => __( 'Cart', 'woocommerce' ),
'label' => __( 'Title', 'woocommerce' ),
),
'hide_if_empty' => array(
'type' => 'checkbox',
'std' => 0,
'label' => __( 'Hide if cart is empty', 'woocommerce' ),
),
);
parent::__construct();
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}
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/**
* Output widget.
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*
* @see WP_Widget
*
* @param array $args Arguments.
* @param array $instance Widget instance.
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*/
public function widget( $args, $instance ) {
if ( apply_filters( 'woocommerce_widget_cart_is_hidden', is_cart() || is_checkout() ) ) {
return;
}
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$hide_if_empty = empty( $instance['hide_if_empty'] ) ? 0 : 1;
$this->widget_start( $args, $instance );
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if ( $hide_if_empty ) {
echo '<div class="hide_cart_widget_if_empty">';
}
// Insert cart widget placeholder - code in woocommerce.js will update this on page load.
echo '<div class="widget_shopping_cart_content"></div>';
if ( $hide_if_empty ) {
echo '</div>';
}
$this->widget_end( $args );
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}
}