NodesController::_setCommonVariables PHP Method

    protected function _setCommonVariables($type)
    {
        if (isset($this->Taxonomies)) {
            $this->Taxonomies->prepareCommonData($type);
        }
        $Node = $this->{$this->modelClass};
        if (!empty($this->request->data[$Node->alias]['parent_id'])) {
            $Node->id = $this->request->data[$Node->alias]['parent_id'];
            $parentTitle = $Node->field('title');
        }
        $roles = $Node->User->Role->find('list');
        $this->set(compact('parentTitle', 'roles'));
    }