function admin_delete($id = null)
{
if (!$id) {
$this->Session->setFlash('That Category could not be found', true);
$this->redirect($this->referer());
}
$count = $this->Category->find('count', array('conditions' => array('Category.parent_id' => $id)));
if ($count > 0) {
$this->Session->setFlash(__('This Category has sub-categories.', true));
$this->redirect($this->referer());
}
$category = $this->Category->read(null, $id);
if (!empty($category['Content'])) {
$this->Session->setFlash(__('There are still content itmes in this category. Remove them and try again.', true));
$this->redirect($this->referer());
}
return parent::admin_delete($id);
}