public function index()
    {
        $this->loadModel('Block.Blocks');
        if ($this->request->isPost()) {
            if ($this->_reorder()) {
                $this->Flash->success(__d('block', 'Blocks ordering updated!'));
            }
            $this->redirect(['plugin' => 'Block', 'controller' => 'manage', 'action' => 'index']);
        }

        $front = $this->Blocks->inFrontTheme();
        $back = $this->Blocks->inBackTheme();
        $unused = $this->Blocks->unused();

        $this->set(compact('front', 'back', 'unused'));
        $this->title(__d('block', 'Site Blocks'));
        $this->Breadcrumb
            ->push('/admin/system/structure')
            ->push(__d('block', 'Manage Blocks'), '#');
    }