public function index()
 {
     $this->view->set('clickaction', 'view');
     $collection = new EDITransactionLogCollection($this->_templateobject);
     $sh = $this->setSearchHandler($collection);
     if (isset($this->_data['data_definition_id'])) {
         $sh->addConstraint(new COnstraint('data_definition_id', '=', $this->_data['data_definition_id']));
         $datadef = new DataDefinition();
         $datadef->load($this->_data['data_definition_id']);
         $this->view->set('datadef', $datadef);
     }
     parent::index(new EDITransactionLogCollection($this->_templateobject), $sh);
     $sidebar = new SidebarController($this->view);
     $sidebar->addList('Actions', array('new' => array('link' => array('modules' => $this->_modules, 'controller' => 'externalsystems', 'action' => 'index'), 'tag' => 'view external systems')));
     $this->view->register('sidebar', $sidebar);
     $this->view->set('sidebar', $sidebar);
 }