/**
* Instantiates and returns class singleton
*
* @return CAS_App
*/
public static function instance()
{
if (!self::$_instance) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Template wrapper to display content aware sidebars
*
* @since 3.0
* @param array|string $args
* @return void
*/
function ca_display_sidebar($args = array())
{
CAS_App::instance()->manager()->manual_sidebar($args);
}
/**
* Save meta values for post
* @param int $post_id
* @return void
*/
public function save_post($post_id)
{
// Save button pressed
if (!isset($_POST['original_publish']) && !isset($_POST['save_post'])) {
return;
}
// Only sidebar type
if (get_post_type($post_id) != CAS_App::TYPE_SIDEBAR) {
return;
}
// Verify nonce
if (!check_admin_referer(WPCACore::PREFIX . $post_id, WPCACore::NONCE)) {
return;
}
// Check permissions
if (!current_user_can(CAS_App::CAPABILITY, $post_id)) {
return;
}
// Check autosave
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return;
}
// Update metadata
foreach (CAS_App::instance()->manager()->metadata()->get_all() as $field) {
$new = isset($_POST[$field->get_id()]) ? $_POST[$field->get_id()] : '';
$old = $field->get_data($post_id);
if ($new != '' && $new != $old) {
$field->update($post_id, $new);
} elseif ($new == '' && $old != '') {
$field->delete($post_id, $old);
}
}
}
/**
* Display merge position column
*
* @since 3.1
* @param string $column_name
* @param int $post_id
* @return string
*/
protected function column_merge_pos($column_name, $post_id)
{
$metadata = CAS_App::instance()->manager()->metadata()->get($column_name);
return $metadata ? $metadata->get_list_data($post_id) : "";
}
