/**
  * Dispaly an appoitment as text
  *
  * @param value $value
  * @return string
  */
 public function showAppointment($value)
 {
     if (!$value) {
         return $this->_('Unknown');
     }
     if ($value instanceof \Gems_Agenda_Appointment) {
         $appointment = $value;
     } else {
         $appointment = $this->loader->getAgenda()->getAppointment($value);
     }
     if ($appointment instanceof \Gems_Agenda_Appointment) {
         if (!$this->menu instanceof \Gems_Mail) {
             $this->menu = $this->loader->getMenu();
         }
         $menuItem = $this->menu->findAllowedController('appointment', 'show');
         if ($menuItem) {
             if (!$this->request) {
                 $this->request = \Zend_Controller_Front::getInstance()->getRequest();
             }
             $href = $menuItem->toHRefAttribute(array('gap_id_appointment' => $appointment->getId()), $this->request);
             if ($href) {
                 return \MUtil_Html::create('a', $href, $appointment->getDisplayString());
             }
         }
         return $appointment->getDisplayString();
     }
     return $value;
 }
 /**
  * Called after the check that all required registry values
  * have been set correctly has run.
  *
  * @return void
  */
 public function afterRegistry()
 {
     parent::afterRegistry();
     $this->_pdf = $this->loader->getPdf();
     $this->escort = \GemsEscort::getInstance();
     $this->html = new \MUtil_Html_Sequence();
     // Do not know why, but for some reason menu is not loaded automatically.
     $this->menu = $this->loader->getMenu();
 }