/**
  * 削除
  */
 public function delete()
 {
     $request = Request::getInstance();
     $blog_templates_model = Model::load('BlogTemplates');
     $id = $request->get('id');
     $blog_id = $this->getBlogId();
     // 使用中のテンプレート判定
     $blog = $this->getBlog($blog_id);
     $template_ids = BlogsModel::getTemplateIds($blog);
     if (in_array($id, $template_ids)) {
         $this->setErrorMessage(__('You can not delete a template in use'));
         $this->redirect(array('action' => 'index'));
     }
     // 削除データの取得
     if (!($blog_template = $blog_templates_model->findByIdAndBlogId($id, $blog_id))) {
         $this->redirect(array('action' => 'index'));
     }
     if (Session::get('sig') && Session::get('sig') === $request->get('sig')) {
         // 削除処理
         $blog_templates_model->deleteByIdAndBlogId($id, $blog_id);
         $this->setInfoMessage(__('I removed the template'));
     }
     $this->redirectBack(array('action' => 'index'));
 }