__('Filter woocommerce products by category.', 'wchweb')) // Args
);
}
/**
* Front-end display of widget.
*
* @see WP_Widget::widget()
*
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
*/
public function widget($args, $instance) {
if (!is_post_type_archive('product') && !is_tax(get_object_taxonomies('product'))) {
return;
}
// enqueue necessary scripts
wp_enqueue_style('wchweb-style');
wp_enqueue_style('font-awesome');
wp_enqueue_script('wchweb-script');
if (empty($instance['query_type'])) {
return;
}
$enable_multiple = (!empty($instance['enable_multiple'])) ? (bool)$instance['enable_multiple'] : '';
$show_count = (!empty($instance['show_count'])) ? (bool)$instance['show_count'] : '';
$enable_hierarchy = (!empty($instance['hierarchical'])) ? (bool)$instance['hierarchical'] : '';
$show_children_only = (!empty($instance['show_children_only'])) ? (bool)$instance['show_children_only'] : '';
$display_type = (!empty($instance['display_type'])) ? $instance['display_type'] : '';
$taxonomy = 'product_cat';
$query_type = $instance['query_type'];
$data_key = ($query_type === 'and') ? 'product-cata' : 'product-cato';
// parse url
$url = $_SERVER['QUERY_STRING'];
parse_str($url, $url_array);
$attr_args = array(
'taxonomy' => $taxonomy,
'data_key' => $data_key,
'query_type' => $query_type,
'enable_multiple' => $enable_multiple,
'show_count' => $show_count,
'enable_hierarchy' => $enable_hierarchy,
'show_children_only' => $show_children_only,
'url_array' => $url_array
);
// if display type list
if ($display_type === 'list') {
$output = wchweb_list_terms($attr_args);
} elseif ($display_type === 'dropdown') {
$output = wchweb_dropdown_terms($attr_args);
}
$html = $output['html'];
$found = $output['found'];
extract($args);
// Add class to before_widget from within a custom widget
// http://wordpress.stackexchange.com/questions/18942/add-class-to-before-widget-from-within-a-custom-widget
// if $selected_terms array is empty we will hide this widget totally
if ($found === false) {
$widget_class = 'wchweb-widget-hidden woocommerce wchweb-ajax-term-filter';
} else {
$widget_class = 'woocommerce wchweb-ajax-term-filter';
}
// no class found, so add it
if (strpos($before_widget, 'class') === false) {
$before_widget = str_replace('>', 'class="' . $widget_class . '"', $before_widget);
}
// class found but not the one that we need, so add it
else {
$before_widget = str_replace('class="', 'class="' . $widget_class . ' ', $before_widget);
}
echo $before_widget;
if (!empty($instance['title'])) {
echo $args['before_title'] . apply_filters('widget_title', $instance['title']). $args['after_title'];
}
echo $html;
echo $args['after_widget'];
}
/**
* Back-end widget form.
*
* @see WP_Widget::form()
*
* @param array $instance Previously saved values from database.
*/
public function form($instance) {
?>
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