176 lines
6.0 KiB
PHP
176 lines
6.0 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Layered Navigation Filters Widget.
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*
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* @author WooThemes
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* @category Widgets
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* @package WooCommerce/Widgets
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* @version 2.3.0
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* @extends WC_Widget
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*/
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class WC_Widget_Layered_Nav_Filters extends WC_Widget {
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/**
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* Constructor.
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*/
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public function __construct() {
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$this->widget_cssclass = 'woocommerce widget_layered_nav_filters';
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$this->widget_description = __( 'Shows active layered nav filters so users can see and deactivate them.', 'woocommerce' );
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$this->widget_id = 'woocommerce_layered_nav_filters';
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$this->widget_name = __( 'WooCommerce layered nav filters', 'woocommerce' );
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$this->settings = array(
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'title' => array(
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'type' => 'text',
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'std' => __( 'Active filters', 'woocommerce' ),
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'label' => __( 'Title', 'woocommerce' ),
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),
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);
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parent::__construct();
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}
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/**
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* Get current page URL for layered nav items.
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*
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* @return string
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*/
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protected function get_page_base_url() {
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if ( defined( 'SHOP_IS_ON_FRONT' ) ) {
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$link = home_url();
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} elseif ( is_post_type_archive( 'product' ) || is_page( wc_get_page_id( 'shop' ) ) ) {
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$link = get_post_type_archive_link( 'product' );
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} elseif ( is_product_category() ) {
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$link = get_term_link( get_query_var( 'product_cat' ), 'product_cat' );
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} elseif ( is_product_tag() ) {
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$link = get_term_link( get_query_var( 'product_tag' ), 'product_tag' );
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} else {
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$queried_object = get_queried_object();
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$link = get_term_link( $queried_object->slug, $queried_object->taxonomy );
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}
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// Min/Max
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if ( isset( $_GET['min_price'] ) ) {
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$link = add_query_arg( 'min_price', wc_clean( $_GET['min_price'] ), $link );
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}
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if ( isset( $_GET['max_price'] ) ) {
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$link = add_query_arg( 'max_price', wc_clean( $_GET['max_price'] ), $link );
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}
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// Orderby
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if ( isset( $_GET['orderby'] ) ) {
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$link = add_query_arg( 'orderby', wc_clean( $_GET['orderby'] ), $link );
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}
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/**
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* Search Arg.
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* To support quote characters, first they are decoded from " entities, then URL encoded.
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*/
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if ( get_search_query() ) {
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$link = add_query_arg( 's', rawurlencode( htmlspecialchars_decode( get_search_query() ) ), $link );
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}
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// Post Type Arg
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if ( isset( $_GET['post_type'] ) ) {
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$link = add_query_arg( 'post_type', wc_clean( $_GET['post_type'] ), $link );
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}
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// Min Rating Arg
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if ( isset( $_GET['rating_filter'] ) ) {
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$link = add_query_arg( 'rating_filter', wc_clean( $_GET['rating_filter'] ), $link );
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}
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// All current filters
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if ( $_chosen_attributes = WC_Query::get_layered_nav_chosen_attributes() ) {
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foreach ( $_chosen_attributes as $name => $data ) {
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$filter_name = sanitize_title( str_replace( 'pa_', '', $name ) );
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if ( ! empty( $data['terms'] ) ) {
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$link = add_query_arg( 'filter_' . $filter_name, implode( ',', $data['terms'] ), $link );
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}
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if ( 'or' == $data['query_type'] ) {
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$link = add_query_arg( 'query_type_' . $filter_name, 'or', $link );
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}
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}
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}
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return $link;
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}
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/**
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* Output widget.
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*
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* @see WP_Widget
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* @param array $args
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* @param array $instance
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*/
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public function widget( $args, $instance ) {
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if ( ! is_post_type_archive( 'product' ) && ! is_tax( get_object_taxonomies( 'product' ) ) ) {
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return;
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}
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$_chosen_attributes = WC_Query::get_layered_nav_chosen_attributes();
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$min_price = isset( $_GET['min_price'] ) ? wc_clean( $_GET['min_price'] ) : 0;
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$max_price = isset( $_GET['max_price'] ) ? wc_clean( $_GET['max_price'] ) : 0;
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$rating_filter = isset( $_GET['rating_filter'] ) ? array_filter( array_map( 'absint', explode( ',', $_GET['rating_filter'] ) ) ) : array();
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$base_link = $this->get_page_base_url();
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if ( 0 < count( $_chosen_attributes ) || 0 < $min_price || 0 < $max_price || ! empty( $rating_filter ) ) {
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$this->widget_start( $args, $instance );
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echo '<ul>';
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// Attributes
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if ( ! empty( $_chosen_attributes ) ) {
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foreach ( $_chosen_attributes as $taxonomy => $data ) {
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foreach ( $data['terms'] as $term_slug ) {
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if ( ! $term = get_term_by( 'slug', $term_slug, $taxonomy ) ) {
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continue;
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}
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$filter_name = 'filter_' . sanitize_title( str_replace( 'pa_', '', $taxonomy ) );
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$current_filter = isset( $_GET[ $filter_name ] ) ? explode( ',', wc_clean( $_GET[ $filter_name ] ) ) : array();
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$current_filter = array_map( 'sanitize_title', $current_filter );
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$new_filter = array_diff( $current_filter, array( $term_slug ) );
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$link = remove_query_arg( array( 'add-to-cart', $filter_name ), $base_link );
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if ( sizeof( $new_filter ) > 0 ) {
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$link = add_query_arg( $filter_name, implode( ',', $new_filter ), $link );
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}
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echo '<li class="chosen"><a aria-label="' . esc_attr__( 'Remove filter', 'woocommerce' ) . '" href="' . esc_url( $link ) . '">' . esc_html( $term->name ) . '</a></li>';
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}
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}
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}
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if ( $min_price ) {
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$link = remove_query_arg( 'min_price', $base_link );
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echo '<li class="chosen"><a aria-label="' . esc_attr__( 'Remove filter', 'woocommerce' ) . '" href="' . esc_url( $link ) . '">' . sprintf( __( 'Min %s', 'woocommerce' ), wc_price( $min_price ) ) . '</a></li>';
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}
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if ( $max_price ) {
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$link = remove_query_arg( 'max_price', $base_link );
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echo '<li class="chosen"><a aria-label="' . esc_attr__( 'Remove filter', 'woocommerce' ) . '" href="' . esc_url( $link ) . '">' . sprintf( __( 'Max %s', 'woocommerce' ), wc_price( $max_price ) ) . '</a></li>';
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}
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if ( ! empty( $rating_filter ) ) {
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foreach ( $rating_filter as $rating ) {
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$link_ratings = implode( ',', array_diff( $rating_filter, array( $rating ) ) );
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$link = $link_ratings ? add_query_arg( 'rating_filter', $link_ratings ) : remove_query_arg( 'rating_filter', $base_link );
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echo '<li class="chosen"><a aria-label="' . esc_attr__( 'Remove filter', 'woocommerce' ) . '" href="' . esc_url( $link ) . '">' . sprintf( __( 'Rated %s out of 5', 'woocommerce' ), esc_html( $rating ) ) . '</a></li>';
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}
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}
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echo '</ul>';
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$this->widget_end( $args );
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}
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}
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}
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