/**
  * Browse all options value.
  *
  *
  * @return void
  * @access public
  * @static
  */
 function browse()
 {
     $dao = new CRM_Core_DAO_OptionValue();
     $dao->option_group_id = $this->_gid;
     if (in_array($this->_gName, CRM_Core_OptionGroup::$_domainIDGroups)) {
         $dao->domain_id = CRM_Core_Config::domainID();
     }
     if ($this->_gName == 'encounter_medium') {
         $mediumIds = CRM_Case_BAO_Case::getUsedEncounterMediums();
     } elseif ($this->_gName == 'case_status') {
         $caseStatusIds = CRM_Case_BAO_Case::getUsedCaseStatuses();
     } elseif ($this->_gName == 'case_type') {
         $caseTypeIds = CRM_Case_BAO_Case::getUsedCaseType();
     }
     $dao->orderBy('name');
     $dao->find();
     $optionValue = array();
     while ($dao->fetch()) {
         $optionValue[$dao->id] = array();
         CRM_Core_DAO::storeValues($dao, $optionValue[$dao->id]);
         // form all action links
         $action = array_sum(array_keys($this->links()));
         if ($dao->is_default) {
             $optionValue[$dao->id]['default_value'] = '[x]';
         }
         //do not show default option for email/postal greeting and addressee, CRM-4575
         if (!in_array($this->_gName, array('email_greeting', 'postal_greeting', 'addressee'))) {
             $this->assign('showIsDefault', TRUE);
         }
         // update enable/disable links depending on if it is is_reserved or is_active
         if ($dao->is_reserved) {
             $action = CRM_Core_Action::UPDATE;
         } else {
             if ($dao->is_active) {
                 $action -= CRM_Core_Action::ENABLE;
             } else {
                 $action -= CRM_Core_Action::DISABLE;
             }
             if ($this->_gName == 'encounter_medium' && in_array($dao->value, $mediumIds) || $this->_gName == 'case_status' && in_array($dao->value, $caseStatusIds) || $this->_gName == 'case_type' && in_array($dao->value, $caseTypeIds)) {
                 $action -= CRM_Core_Action::DELETE;
             }
         }
         $optionValue[$dao->id]['action'] = CRM_Core_Action::formLink(self::links(), $action, array('id' => $dao->id, 'gid' => $this->_gid));
     }
     $this->assign('rows', $optionValue);
 }