'jigoshop_product_categories',
'description' => __( 'A list or dropdown of product categories', 'jigoshop' ),
);
// Create the widget
parent::__construct( 'jigoshop_product_categories', __( 'Jigoshop: Product Categories', 'jigoshop' ), $options );
// Flush cache after every save
add_action( 'save_post', array( &$this, 'flush_widget_cache' ) );
add_action( 'deleted_post', array( &$this, 'flush_widget_cache' ) );
add_action( 'switch_theme', array( &$this, 'flush_widget_cache' ) );
}
/**
* Widget
*
* Display the widget in the sidebar
* Save output to the cache if empty
*
* @param array sidebar arguments
* @param array instance
*/
public function widget( $args, $instance ) {
// Get the widget cache from the transient
$cache = get_transient( 'jigoshop_widget_cache' );
// If this category widget instance is cached, get from the cache
if ( isset( $cache[$this->id] ) ) {
echo $cache[$this->id];
return false;
}
// Otherwise Start buffering and output the Widget
ob_start();
extract( $args );
// Set the widget title
$title = apply_filters(
'widget_title',
( $instance['title'] ) ? $instance['title'] : __( 'Product Categories', 'jigoshop' ),
$instance,
$this->id_base
);
// Get options
$count = (bool) isset( $instance['count'] ) ? $instance['count'] : false;
$is_hierarchial = (bool) isset( $instance['hierarchical'] ) ? $instance['hierarchical'] : false;
$is_dropdown = (bool) isset( $instance['dropdown'] ) ? $instance['dropdown'] : false;
// Print the widget wrapper & title
echo $before_widget;
echo $before_title . $title . $after_title;
// Define options for the list
$args = array(
'orderby' => 'name',
'show_count' => $count,
'hierarchical' => $is_hierarchial,
'taxonomy' => 'product_cat',
'title_li' => null,
);
// Output as dropdown or unordered list
if( $is_dropdown ) {
// Set up arguments
$args['name'] = 'dropdown_product_cat';
// Print dropdown
// wp_dropdown_categories($args); Commented out due to wordpress bug 13258 not supporting custom taxonomies
// See: http://core.trac.wordpress.org/ticket/13258
jigoshop_product_dropdown_categories( $args['show_count'], $args['hierarchical'] );
// TODO: Move this javascript to its own file (plugins.js?)
?>
';
wp_list_categories(apply_filters('widget_product_categories_args', $args));
echo '';
}
// Print closing widget wrapper
echo $after_widget;
// Flush output buffer and save to transient cache
$result = ob_get_flush();
$cache[$this->id] = $result;
set_transient( 'jigoshop_widget_cache', $cache, 3600*3 ); // 3 hours ahead
}
/**
* Update
*
* Handles the processing of information entered in the wordpress admin
* Flushes the cache & removes entry from options array
*
* @param array new instance
* @param array old instance
* @return array instance
*/
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
// Save the new values
$instance['title'] = strip_tags( $new_instance['title'] );
$instance['count'] = (bool) isset( $new_instance['count'] ) ? $new_instance['count'] : false;
$instance['hierarchical'] = (bool) isset( $new_instance['hierarchical'] ) ? $new_instance['hierarchical'] : false;
$instance['dropdown'] = (bool) isset( $new_instance['dropdown'] ) ? $new_instance['dropdown'] : false;
// Flush the cache
$this->flush_widget_cache();
return $instance;
}
/**
* Flush Widget Cache
*
* Flushes the cached output
*/
public function flush_widget_cache() {
delete_transient( 'jigoshop_widget_cache' );
}
/**
* Form
*
* Displays the form for the wordpress admin
*
* @param array instance
*/
function form( $instance ) {
// Get values from instance
$title = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : null;
$dropdown = (bool) isset($instance['dropdown']) ? $instance['dropdown'] : false;
$count = (bool) isset($instance['count']) ? $instance['count'] : false;
$hierarchical = (bool) isset($instance['hierarchical']) ? $instance['hierarchical'] : false;
// Widget Title
echo "
";
// As a dropdown?
echo "
";
// Show product count?
echo "
";
// Is hierarchical?
echo "
";
}
} // class Jigoshop_Widget_Product_Categories