250 lines
7.2 KiB
PHP
250 lines
7.2 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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* Product Categories 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_Product_Categories extends WC_Widget {
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/**
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* Category ancestors
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*
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* @var array
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*/
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public $cat_ancestors;
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/**
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* Current Category
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*
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* @var bool
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*/
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public $current_cat;
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/**
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* Constructor
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*/
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public function __construct() {
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$this->widget_cssclass = 'woocommerce widget_product_categories';
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$this->widget_description = __( 'A list or dropdown of product categories.', 'woocommerce' );
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$this->widget_id = 'woocommerce_product_categories';
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$this->widget_name = __( 'WooCommerce Product Categories', 'woocommerce' );
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$this->settings = array(
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'title' => array(
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'type' => 'text',
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'std' => __( 'Product Categories', 'woocommerce' ),
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'label' => __( 'Title', 'woocommerce' )
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),
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'orderby' => array(
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'type' => 'select',
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'std' => 'name',
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'label' => __( 'Order by', 'woocommerce' ),
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'options' => array(
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'order' => __( 'Category Order', 'woocommerce' ),
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'name' => __( 'Name', 'woocommerce' )
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)
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),
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'dropdown' => array(
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'type' => 'checkbox',
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'std' => 0,
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'label' => __( 'Show as dropdown', 'woocommerce' )
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),
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'count' => array(
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'type' => 'checkbox',
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'std' => 0,
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'label' => __( 'Show product counts', 'woocommerce' )
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),
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'hierarchical' => array(
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'type' => 'checkbox',
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'std' => 1,
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'label' => __( 'Show hierarchy', 'woocommerce' )
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),
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'show_children_only' => array(
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'type' => 'checkbox',
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'std' => 0,
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'label' => __( 'Only show children of the current category', 'woocommerce' )
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),
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'hide_empty' => array(
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'type' => 'checkbox',
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'std' => 0,
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'label' => __( 'Hide empty categories', '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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* widget function.
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*
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* @see WP_Widget
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*
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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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global $wp_query, $post;
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$count = isset( $instance['count'] ) ? $instance['count'] : $this->settings['count']['std'];
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$hierarchical = isset( $instance['hierarchical'] ) ? $instance['hierarchical'] : $this->settings['hierarchical']['std'];
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$show_children_only = isset( $instance['show_children_only'] ) ? $instance['show_children_only'] : $this->settings['show_children_only']['std'];
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$dropdown = isset( $instance['dropdown'] ) ? $instance['dropdown'] : $this->settings['dropdown']['std'];
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$orderby = isset( $instance['orderby'] ) ? $instance['orderby'] : $this->settings['orderby']['std'];
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$hide_empty = isset( $instance['hide_empty'] ) ? $instance['hide_empty'] : $this->settings['hide_empty']['std'];
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$dropdown_args = array( 'hide_empty' => $hide_empty );
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$list_args = array( 'show_count' => $count, 'hierarchical' => $hierarchical, 'taxonomy' => 'product_cat', 'hide_empty' => $hide_empty );
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// Menu Order
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$list_args['menu_order'] = false;
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if ( $orderby == 'order' ) {
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$list_args['menu_order'] = 'asc';
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} else {
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$list_args['orderby'] = 'title';
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}
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// Setup Current Category
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$this->current_cat = false;
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$this->cat_ancestors = array();
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if ( is_tax( 'product_cat' ) ) {
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$this->current_cat = $wp_query->queried_object;
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$this->cat_ancestors = get_ancestors( $this->current_cat->term_id, 'product_cat' );
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} elseif ( is_singular( 'product' ) ) {
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$product_category = wc_get_product_terms( $post->ID, 'product_cat', array( 'orderby' => 'parent' ) );
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if ( $product_category ) {
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$this->current_cat = end( $product_category );
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$this->cat_ancestors = get_ancestors( $this->current_cat->term_id, 'product_cat' );
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}
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}
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// Show Siblings and Children Only
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if ( $show_children_only && $this->current_cat ) {
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// Top level is needed
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$top_level = get_terms(
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'product_cat',
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array(
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'fields' => 'ids',
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'parent' => 0,
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'hierarchical' => true,
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'hide_empty' => false
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)
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);
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// Direct children are wanted
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$direct_children = get_terms(
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'product_cat',
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array(
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'fields' => 'ids',
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'parent' => $this->current_cat->term_id,
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'hierarchical' => true,
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'hide_empty' => false
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)
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);
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// Gather siblings of ancestors
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$siblings = array();
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if ( $this->cat_ancestors ) {
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foreach ( $this->cat_ancestors as $ancestor ) {
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$ancestor_siblings = get_terms(
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'product_cat',
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array(
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'fields' => 'ids',
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'parent' => $ancestor,
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'hierarchical' => false,
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'hide_empty' => false
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)
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);
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$siblings = array_merge( $siblings, $ancestor_siblings );
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}
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}
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if ( $hierarchical ) {
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$include = array_merge( $top_level, $this->cat_ancestors, $siblings, $direct_children, array( $this->current_cat->term_id ) );
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} else {
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$include = array_merge( $direct_children );
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}
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$dropdown_args['include'] = implode( ',', $include );
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$list_args['include'] = implode( ',', $include );
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if ( empty( $include ) ) {
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return;
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}
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} elseif ( $show_children_only ) {
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$dropdown_args['depth'] = 1;
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$dropdown_args['child_of'] = 0;
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$dropdown_args['hierarchical'] = 1;
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$list_args['depth'] = 1;
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$list_args['child_of'] = 0;
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$list_args['hierarchical'] = 1;
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}
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$this->widget_start( $args, $instance );
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// Dropdown
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if ( $dropdown ) {
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$dropdown_defaults = array(
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'show_count' => $count,
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'hierarchical' => $hierarchical,
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'show_uncategorized' => 0,
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'orderby' => $orderby,
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'selected' => $this->current_cat ? $this->current_cat->slug : ''
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);
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$dropdown_args = wp_parse_args( $dropdown_args, $dropdown_defaults );
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// Stuck with this until a fix for http://core.trac.wordpress.org/ticket/13258
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wc_product_dropdown_categories( apply_filters( 'woocommerce_product_categories_widget_dropdown_args', $dropdown_args ) );
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wc_enqueue_js( "
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jQuery( '.dropdown_product_cat' ).change( function() {
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if ( jQuery(this).val() != '' ) {
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var this_page = '';
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var home_url = '" . esc_js( home_url( '/' ) ) . "';
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if ( home_url.indexOf( '?' ) > 0 ) {
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this_page = home_url + '&product_cat=' + jQuery(this).val();
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} else {
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this_page = home_url + '?product_cat=' + jQuery(this).val();
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}
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location.href = this_page;
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}
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});
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" );
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// List
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} else {
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include_once( WC()->plugin_path() . '/includes/walkers/class-product-cat-list-walker.php' );
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$list_args['walker'] = new WC_Product_Cat_List_Walker;
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$list_args['title_li'] = '';
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$list_args['pad_counts'] = 1;
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$list_args['show_option_none'] = __('No product categories exist.', 'woocommerce' );
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$list_args['current_category'] = ( $this->current_cat ) ? $this->current_cat->term_id : '';
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$list_args['current_category_ancestors'] = $this->cat_ancestors;
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echo '<ul class="product-categories">';
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wp_list_categories( apply_filters( 'woocommerce_product_categories_widget_args', $list_args ) );
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echo '</ul>';
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}
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$this->widget_end( $args );
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}
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}
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