class-wc-widget-product-categories.php
<?php
/**
* Product Categories Widget
*
* @package WooCommerce\Widgets
* @version 2.3.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Product categories widget class.
*
* @extends WC_Widget
*/
class WC_Widget_Product_Categories extends WC_Widget {
/**
* Category ancestors.
*
* @var array
*/
public $cat_ancestors;
/**
* Current Category.
*
* @var bool
*/
public $current_cat;
/**
* Constructor.
*/
public function __construct() {
$this->widget_cssclass = 'woocommerce widget_product_categories';
$this->widget_description = __( 'A list or dropdown of product categories.', 'woocommerce' );
$this->widget_id = 'woocommerce_product_categories';
$this->widget_name = __( 'Product Categories', 'woocommerce' );
$this->settings = array(
'title' => array(
'type' => 'text',
'std' => __( 'Product categories', 'woocommerce' ),
'label' => __( 'Title', 'woocommerce' ),
),
'orderby' => array(
'type' => 'select',
'std' => 'name',
'label' => __( 'Order by', 'woocommerce' ),
'options' => array(
'order' => __( 'Category order', 'woocommerce' ),
'name' => __( 'Name', 'woocommerce' ),
),
),
'dropdown' => array(
'type' => 'checkbox',
'std' => 0,
'label' => __( 'Show as dropdown', 'woocommerce' ),
),
'count' => array(
'type' => 'checkbox',
'std' => 0,
'label' => __( 'Show product counts', 'woocommerce' ),
),
'hierarchical' => array(
'type' => 'checkbox',
'std' => 1,
'label' => __( 'Show hierarchy', 'woocommerce' ),
),
'show_children_only' => array(
'type' => 'checkbox',
'std' => 0,
'label' => __( 'Only show children of the current category', 'woocommerce' ),
),
'hide_empty' => array(
'type' => 'checkbox',
'std' => 0,
'label' => __( 'Hide empty categories', 'woocommerce' ),
),
'max_depth' => array(
'type' => 'text',
'std' => '',
'label' => __( 'Maximum depth', 'woocommerce' ),
),
);
parent::__construct();
}
/**
* Output widget.
*
* @see WP_Widget
* @param array $args Widget arguments.
* @param array $instance Widget instance.
*/
public function widget( $args, $instance ) {
global $wp_query, $post;
$count = isset( $instance['count'] ) ? $instance['count'] : $this->settings['count']['std'];
$hierarchical = isset( $instance['hierarchical'] ) ? $instance['hierarchical'] : $this->settings['hierarchical']['std'];
$show_children_only = isset( $instance['show_children_only'] ) ? $instance['show_children_only'] : $this->settings['show_children_only']['std'];
$dropdown = isset( $instance['dropdown'] ) ? $instance['dropdown'] : $this->settings['dropdown']['std'];
$orderby = isset( $instance['orderby'] ) ? $instance['orderby'] : $this->settings['orderby']['std'];
$hide_empty = isset( $instance['hide_empty'] ) ? $instance['hide_empty'] : $this->settings['hide_empty']['std'];
$dropdown_args = array(
'hide_empty' => $hide_empty,
);
$list_args = array(
'show_count' => $count,
'hierarchical' => $hierarchical,
'taxonomy' => 'product_cat',
'hide_empty' => $hide_empty,
);
$max_depth = absint( isset( $instance['max_depth'] ) ? $instance['max_depth'] : $this->settings['max_depth']['std'] );
$list_args['menu_order'] = false;
$dropdown_args['depth'] = $max_depth;
$list_args['depth'] = $max_depth;
if ( 'order' === $orderby ) {
$list_args['orderby'] = 'meta_value_num';
$dropdown_args['orderby'] = 'meta_value_num';
$list_args['meta_key'] = 'order';
$dropdown_args['meta_key'] = 'order';
}
$this->current_cat = false;
$this->cat_ancestors = array();
if ( is_tax( 'product_cat' ) ) {
$this->current_cat = $wp_query->queried_object;
$this->cat_ancestors = get_ancestors( $this->current_cat->term_id, 'product_cat' );
} elseif ( is_singular( 'product' ) ) {
$terms = wc_get_product_terms(
$post->ID,
'product_cat',
apply_filters(
'woocommerce_product_categories_widget_product_terms_args',
array(
'orderby' => 'parent',
'order' => 'DESC',
)
)
);
if ( $terms ) {
$main_term = apply_filters( 'woocommerce_product_categories_widget_main_term', $terms[0], $terms );
$this->current_cat = $main_term;
$this->cat_ancestors = get_ancestors( $main_term->term_id, 'product_cat' );
}
}
// Show Siblings and Children Only.
if ( $show_children_only && $this->current_cat ) {
if ( $hierarchical ) {
$include = array_merge(
$this->cat_ancestors,
array( $this->current_cat->term_id ),
get_terms(
'product_cat',
array(
'fields' => 'ids',
'parent' => 0,
'hierarchical' => true,
'hide_empty' => false,
)
),
get_terms(
'product_cat',
array(
'fields' => 'ids',
'parent' => $this->current_cat->term_id,
'hierarchical' => true,
'hide_empty' => false,
)
)
);
// Gather siblings of ancestors.
if ( $this->cat_ancestors ) {
foreach ( $this->cat_ancestors as $ancestor ) {
$include = array_merge(
$include,
get_terms(
'product_cat',
array(
'fields' => 'ids',
'parent' => $ancestor,
'hierarchical' => false,
'hide_empty' => false,
)
)
);
}
}
} else {
// Direct children.
$include = get_terms(
'product_cat',
array(
'fields' => 'ids',
'parent' => $this->current_cat->term_id,
'hierarchical' => true,
'hide_empty' => false,
)
);
}
$list_args['include'] = implode( ',', $include );
$dropdown_args['include'] = $list_args['include'];
if ( empty( $include ) ) {
return;
}
} elseif ( $show_children_only ) {
$dropdown_args['depth'] = 1;
$dropdown_args['child_of'] = 0;
$dropdown_args['hierarchical'] = 1;
$list_args['depth'] = 1;
$list_args['child_of'] = 0;
$list_args['hierarchical'] = 1;
}
$this->widget_start( $args, $instance );
if ( $dropdown ) {
wc_product_dropdown_categories(
apply_filters(
'woocommerce_product_categories_widget_dropdown_args',
wp_parse_args(
$dropdown_args,
array(
'show_count' => $count,
'hierarchical' => $hierarchical,
'show_uncategorized' => 0,
'selected' => $this->current_cat ? $this->current_cat->slug : '',
)
)
)
);
wp_enqueue_script( 'selectWoo' );
wp_enqueue_style( 'select2' );
wc_enqueue_js(
"
jQuery( '.dropdown_product_cat' ).on( 'change', function() {
if ( jQuery(this).val() != '' ) {
var this_page = '';
var home_url = '" . esc_js( home_url( '/' ) ) . "';
if ( home_url.indexOf( '?' ) > 0 ) {
this_page = home_url + '&product_cat=' + jQuery(this).val();
} else {
this_page = home_url + '?product_cat=' + jQuery(this).val();
}
location.href = this_page;
} else {
location.href = '" . esc_js( wc_get_page_permalink( 'shop' ) ) . "';
}
});
if ( jQuery().selectWoo ) {
var wc_product_cat_select = function() {
jQuery( '.dropdown_product_cat' ).selectWoo( {
placeholder: '" . esc_js( __( 'Select a category', 'woocommerce' ) ) . "',
minimumResultsForSearch: 5,
width: '100%',
allowClear: true,
language: {
noResults: function() {
return '" . esc_js( _x( 'No matches found', 'enhanced select', 'woocommerce' ) ) . "';
}
}
} );
};
wc_product_cat_select();
}
"
);
} else {
include_once WC()->plugin_path() . '/includes/walkers/class-wc-product-cat-list-walker.php';
$list_args['walker'] = new WC_Product_Cat_List_Walker();
$list_args['title_li'] = '';
$list_args['pad_counts'] = 1;
$list_args['show_option_none'] = __( 'No product categories exist.', 'woocommerce' );
$list_args['current_category'] = ( $this->current_cat ) ? $this->current_cat->term_id : '';
$list_args['current_category_ancestors'] = $this->cat_ancestors;
$list_args['max_depth'] = $max_depth;
echo '<ul class="product-categories">';
wp_list_categories( apply_filters( 'woocommerce_product_categories_widget_args', $list_args ) );
echo '</ul>';
}
$this->widget_end( $args );
}
}
