woocommerce/includes/widgets/class-wc-widget-price-filte...

151 lines
5.0 KiB
PHP

<?php
/**
* Price Filter Widget and related functions
*
* Generates a range slider to filter products by price.
*
* @author WooThemes
* @category Widgets
* @package WooCommerce/Widgets
* @version 2.1.0
* @extends WC_Widget
*/
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
class WC_Widget_Price_Filter extends WC_Widget {
/**
* Constructor
*/
public function __construct() {
$this->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, $woocommerce, $wp_query, $wp;
extract( $args );
if ( ! is_post_type_archive( 'product' ) && ! is_tax( get_object_taxonomies( 'product' ) ) )
return;
if ( sizeof( $woocommerce->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 .= '<input type="hidden" name="s" value="' . get_search_query() . '" />';
if ( ! empty( $_GET['post_type'] ) )
$fields .= '<input type="hidden" name="post_type" value="' . esc_attr( $_GET['post_type'] ) . '" />';
if ( ! empty ( $_GET['product_cat'] ) )
$fields .= '<input type="hidden" name="product_cat" value="' . esc_attr( $_GET['product_cat'] ) . '" />';
if ( ! empty( $_GET['product_tag'] ) )
$fields .= '<input type="hidden" name="product_tag" value="' . esc_attr( $_GET['product_tag'] ) . '" />';
if ( ! empty( $_GET['orderby'] ) )
$fields .= '<input type="hidden" name="orderby" value="' . esc_attr( $_GET['orderby'] ) . '" />';
if ( $_chosen_attributes ) foreach ( $_chosen_attributes as $attribute => $data ) {
$taxonomy_filter = 'filter_' . str_replace( 'pa_', '', $attribute );
$fields .= '<input type="hidden" name="' . esc_attr( $taxonomy_filter ) . '" value="' . esc_attr( implode( ',', $data['terms'] ) ) . '" />';
if ( $data['query_type'] == 'or' )
$fields .= '<input type="hidden" name="' . esc_attr( str_replace( 'pa_', 'query_type_', $attribute ) ) . '" value="or" />';
}
$min = $max = 0;
$post_min = $post_max = '';
if ( sizeof( $woocommerce->query->layered_nav_product_ids ) === 0 ) {
$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 {
$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$s.ID IN (%4$s)
OR (
%1$s.post_parent IN (%4$s)
AND %1$s.post_parent != 0
)
)
', $wpdb->posts, $wpdb->postmeta, '_price', implode( ',', $woocommerce->query->layered_nav_product_ids )
) ) );
}
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 '<form method="get" action="' . $form_action . '">
<div class="price_slider_wrapper">
<div class="price_slider" style="display:none;"></div>
<div class="price_slider_amount">
<input type="text" id="min_price" name="min_price" value="'.esc_attr( $min_price ).'" data-min="'.esc_attr( $min ).'" placeholder="'.__('Min price', 'woocommerce' ).'" />
<input type="text" id="max_price" name="max_price" value="'.esc_attr( $max_price ).'" data-max="'.esc_attr( $max ).'" placeholder="'.__( 'Max price', 'woocommerce' ).'" />
<button type="submit" class="button">'.__( 'Filter', 'woocommerce' ).'</button>
<div class="price_label" style="display:none;">
'.__( 'Price:', 'woocommerce' ).' <span class="from"></span> &mdash; <span class="to"></span>
</div>
' . $fields . '
<div class="clear"></div>
</div>
</div>
</form>';
echo $after_widget;
}
}
register_widget( 'WC_Widget_Price_Filter' );