widget_cssclass = 'woocommerce widget_price_filter'; $this->widget_description = __( 'Shows a price filter slider in a widget which lets you narrow down the list of shown products when viewing product categories.', 'woocommerce' ); $this->widget_id = 'woocommerce_price_filter'; $this->widget_name = __( 'WooCommerce Price Filter', 'woocommerce' ); $this->settings = array( 'title' => array( 'type' => 'text', 'std' => __( 'Filter by price', 'woocommerce' ), 'label' => __( 'Title', 'woocommerce' ) ) ); parent::__construct(); } /** * widget function. * * @see WP_Widget * @access public * @param array $args * @param array $instance * @return void */ public function widget( $args, $instance ) { global $_chosen_attributes, $wpdb, $wp; extract( $args ); if ( ! is_post_type_archive( 'product' ) && ! is_tax( get_object_taxonomies( 'product' ) ) ) { return; } if ( sizeof( WC()->query->unfiltered_product_ids ) == 0 ) { return; // None shown - return } $min_price = isset( $_GET['min_price'] ) ? esc_attr( $_GET['min_price'] ) : ''; $max_price = isset( $_GET['max_price'] ) ? esc_attr( $_GET['max_price'] ) : ''; wp_enqueue_script( 'wc-price-slider' ); $title = apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base ); // Remember current filters/search $fields = ''; if ( get_search_query() ) { $fields .= ''; } if ( ! empty( $_GET['post_type'] ) ) { $fields .= ''; } if ( ! empty ( $_GET['product_cat'] ) ) { $fields .= ''; } if ( ! empty( $_GET['product_tag'] ) ) { $fields .= ''; } if ( ! empty( $_GET['orderby'] ) ) { $fields .= ''; } if ( $_chosen_attributes ) foreach ( $_chosen_attributes as $attribute => $data ) { $taxonomy_filter = 'filter_' . str_replace( 'pa_', '', $attribute ); $fields .= ''; if ( $data['query_type'] == 'or' ) { $fields .= ''; } } $min = $max = 0; $post_min = $post_max = ''; if ( sizeof( WC()->query->layered_nav_product_ids ) === 0 ) { $min = floor( $wpdb->get_var( $wpdb->prepare(' SELECT min(meta_value + 0) FROM %1$s LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id WHERE ( meta_key = \'%3$s\' OR meta_key = \'%4$s\' ) AND meta_value != "" ', $wpdb->posts, $wpdb->postmeta, '_price', '_min_variation_price' ) ) ); $max = ceil( $wpdb->get_var( $wpdb->prepare(' SELECT max(meta_value + 0) FROM %1$s LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id WHERE meta_key = \'%3$s\' ', $wpdb->posts, $wpdb->postmeta, '_price' ) ) ); } else { $min = floor( $wpdb->get_var( $wpdb->prepare(' SELECT min(meta_value + 0) FROM %1$s LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id WHERE ( meta_key =\'%3$s\' OR meta_key =\'%4$s\' ) AND meta_value != "" AND ( %1$s.ID IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ') OR ( %1$s.post_parent IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ') AND %1$s.post_parent != 0 ) ) ', $wpdb->posts, $wpdb->postmeta, '_price', '_min_variation_price' ) ) ); $max = ceil( $wpdb->get_var( $wpdb->prepare(' SELECT max(meta_value + 0) FROM %1$s LEFT JOIN %2$s ON %1$s.ID = %2$s.post_id WHERE meta_key =\'%3$s\' AND ( %1$s.ID IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ') OR ( %1$s.post_parent IN (' . implode( ',', array_map( 'absint', WC()->query->layered_nav_product_ids ) ) . ') AND %1$s.post_parent != 0 ) ) ', $wpdb->posts, $wpdb->postmeta, '_price' ) ) ); } if ( $min == $max ) { return; } echo $before_widget . $before_title . $title . $after_title; if ( get_option( 'permalink_structure' ) == '' ) { $form_action = remove_query_arg( array( 'page', 'paged' ), add_query_arg( $wp->query_string, '', home_url( $wp->request ) ) ); } else { $form_action = preg_replace( '%\/page/[0-9]+%', '', home_url( $wp->request ) ); } echo '
' . $fields . '
'; echo $after_widget; } }