woocommerce/includes/widgets/class-wc-widget-product-cat...

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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
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/**
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* Product Categories Widget.
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*
* @author WooThemes
* @category Widgets
* @package WooCommerce/Widgets
* @version 2.3.0
* @extends WC_Widget
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*/
class WC_Widget_Product_Categories extends WC_Widget {
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/**
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* Category ancestors.
*
* @var array
*/
public $cat_ancestors;
/**
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* Current Category.
*
* @var bool
*/
public $current_cat;
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/**
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* Constructor.
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*/
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 = __( 'WooCommerce 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' )
)
);
parent::__construct();
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}
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/**
* Output widget.
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*
* @see WP_Widget
*
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* @param array $args
* @param array $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 );
// Menu Order
$list_args['menu_order'] = false;
if ( $orderby == 'order' ) {
$list_args['menu_order'] = 'asc';
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} else {
$list_args['orderby'] = 'title';
}
// Setup Current Category
$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' );
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} elseif ( is_singular( 'product' ) ) {
$product_category = wc_get_product_terms( $post->ID, 'product_cat', array( 'orderby' => 'parent' ) );
if ( $product_category ) {
$this->current_cat = end( $product_category );
$this->cat_ancestors = get_ancestors( $this->current_cat->term_id, 'product_cat' );
}
}
// Show Siblings and Children Only
if ( $show_children_only && $this->current_cat ) {
// Top level is needed
$top_level = get_terms(
'product_cat',
array(
'fields' => 'ids',
'parent' => 0,
'hierarchical' => true,
'hide_empty' => false
)
);
// Direct children are wanted
$direct_children = get_terms(
'product_cat',
array(
'fields' => 'ids',
'parent' => $this->current_cat->term_id,
'hierarchical' => true,
'hide_empty' => false
)
);
// Gather siblings of ancestors
$siblings = array();
if ( $this->cat_ancestors ) {
foreach ( $this->cat_ancestors as $ancestor ) {
$ancestor_siblings = get_terms(
'product_cat',
array(
'fields' => 'ids',
'parent' => $ancestor,
'hierarchical' => false,
'hide_empty' => false
)
);
$siblings = array_merge( $siblings, $ancestor_siblings );
}
}
if ( $hierarchical ) {
$include = array_merge( $top_level, $this->cat_ancestors, $siblings, $direct_children, array( $this->current_cat->term_id ) );
} else {
$include = array_merge( $direct_children );
}
$dropdown_args['include'] = implode( ',', $include );
$list_args['include'] = implode( ',', $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 );
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// Dropdown
if ( $dropdown ) {
$dropdown_defaults = array(
'show_count' => $count,
'hierarchical' => $hierarchical,
'show_uncategorized' => 0,
'orderby' => $orderby,
'selected' => $this->current_cat ? $this->current_cat->slug : ''
);
$dropdown_args = wp_parse_args( $dropdown_args, $dropdown_defaults );
// Stuck with this until a fix for http://core.trac.wordpress.org/ticket/13258
wc_product_dropdown_categories( apply_filters( 'woocommerce_product_categories_widget_dropdown_args', $dropdown_args ) );
wc_enqueue_js( "
jQuery( '.dropdown_product_cat' ).change( function() {
if ( jQuery(this).val() != '' ) {
var this_page = '';
var home_url = '" . esc_js( home_url( '/' ) ) . "';
if ( home_url.indexOf( '?' ) > 0 ) {
this_page = home_url + '&product_cat=' + jQuery(this).val();
} else {
this_page = home_url + '?product_cat=' + jQuery(this).val();
}
location.href = this_page;
}
});
" );
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// List
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} else {
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include_once( WC()->plugin_path() . '/includes/walkers/class-product-cat-list-walker.php' );
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$list_args['walker'] = new WC_Product_Cat_List_Walker;
$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;
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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>';
}
$this->widget_end( $args );
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}
}