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

183 lines
6.4 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 1.6.4
* @extends WP_Widget
*/
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
class WC_Widget_Price_Filter extends WP_Widget {
var $woo_widget_cssclass;
var $woo_widget_description;
var $woo_widget_idbase;
var $woo_widget_name;
/**
* constructor
*
* @access public
* @return void
*/
function WC_Widget_Price_Filter() {
/* Widget variable settings. */
$this->woo_widget_cssclass = 'woocommerce widget_price_filter';
$this->woo_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->woo_widget_idbase = 'woocommerce_price_filter';
$this->woo_widget_name = __( 'WooCommerce Price Filter', 'woocommerce' );
/* Widget settings. */
$widget_ops = array( 'classname' => $this->woo_widget_cssclass, 'description' => $this->woo_widget_description );
/* Create the widget. */
$this->WP_Widget('price_filter', $this->woo_widget_name, $widget_ops);
}
/**
* widget function.
*
* @see WP_Widget
* @access public
* @param array $args
* @param array $instance
* @return void
*/
function widget( $args, $instance ) {
extract( $args );
global $_chosen_attributes, $wpdb, $woocommerce, $wp_query, $wp;
if (!is_tax( 'product_cat' ) && !is_post_type_archive('product') && !is_tax( 'product_tag' )) return; // Not on product page - return
if ( sizeof( $woocommerce->query->unfiltered_product_ids ) == 0 ) return; // None shown - return
wp_enqueue_script( 'wc-price-slider' );
wp_localize_script( 'wc-price-slider', 'woocommerce_price_slider_params', array(
'currency_symbol' => get_woocommerce_currency_symbol(),
'currency_pos' => get_option( 'woocommerce_currency_pos' ),
'min_price' => isset( $woocommerce->session->min_price ) ? $woocommerce->session->min_price : '',
'max_price' => isset( $woocommerce->session->max_price ) ? $woocommerce->session->max_price : ''
) );
$title = $instance['title'];
$title = apply_filters('widget_title', $title, $instance, $this->id_base);
// Remember current filters/search
$fields = '';
if (get_search_query()) $fields = '<input type="hidden" name="s" value="'.get_search_query().'" />';
if (isset($_GET['post_type'])) $fields .= '<input type="hidden" name="post_type" value="'.esc_attr( $_GET['post_type'] ).'" />';
if (isset($_GET['product_cat'])) $fields .= '<input type="hidden" name="product_cat" value="'.esc_attr( $_GET['product_cat'] ).'" />';
if (isset($_GET['product_tag'])) $fields .= '<input type="hidden" name="product_tag" value="'.esc_attr( $_GET['product_tag'] ).'" />';
if ($_chosen_attributes) foreach ($_chosen_attributes as $attribute => $data) :
$fields .= '<input type="hidden" name="'.esc_attr( str_replace('pa_', 'filter_', $attribute) ).'" 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" />';
endforeach;
$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;
if ( isset( $woocommerce->session->min_price ) ) $post_min = $woocommerce->session->min_price;
if ( isset( $woocommerce->session->max_price ) ) $post_max = $woocommerce->session->max_price;
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( $post_min ).'" data-min="'.esc_attr( $min ).'" placeholder="'.__('Min price', 'woocommerce' ).'" />
<input type="text" id="max_price" name="max_price" value="'.esc_attr( $post_max ).'" 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;
}
/**
* update function.
*
* @see WP_Widget->update
* @access public
* @param array $new_instance
* @param array $old_instance
* @return array
*/
function update( $new_instance, $old_instance ) {
if (!isset($new_instance['title']) || empty($new_instance['title'])) $new_instance['title'] = __( 'Filter by price', 'woocommerce' );
$instance['title'] = strip_tags(stripslashes($new_instance['title']));
return $instance;
}
/**
* form function.
*
* @see WP_Widget->form
* @access public
* @param array $instance
* @return void
*/
function form( $instance ) {
global $wpdb;
?>
<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>
<?php
}
}