/**
  * Return data for external storage
  * 
  * @param Template $template
  * @return array
  *
  */
 public function ___getExportData(Template $template)
 {
     $template->set('_exportMode', true);
     $data = $template->getTableData();
     // flatten
     foreach ($data['data'] as $key => $value) {
         $data[$key] = $value;
     }
     // remove unnecessary
     unset($data['data'], $data['modified']);
     // convert fieldgroup to guid
     $fieldgroup = $this->wire('fieldgroups')->get((int) $data['fieldgroups_id']);
     if ($fieldgroup) {
         $data['fieldgroups_id'] = $fieldgroup->name;
     }
     // convert family settings to guids
     foreach (array('parentTemplates', 'childTemplates') as $key) {
         if (!isset($data[$key])) {
             continue;
         }
         $values = array();
         foreach ($data[$key] as $id) {
             if (ctype_digit("{$id}")) {
                 $id = (int) $id;
             }
             $t = $this->wire('templates')->get($id);
             if ($t) {
                 $values[] = $t->name;
             }
         }
         $data[$key] = $values;
     }
     // convert roles to guids
     if ($template->useRoles) {
         foreach (array('roles', 'editRoles', 'addRoles', 'createRoles') as $key) {
             if (!isset($data[$key])) {
                 continue;
             }
             $values = array();
             foreach ($data[$key] as $id) {
                 $role = $id instanceof Role ? $id : $this->wire('roles')->get((int) $id);
                 $values[] = $role->name;
             }
             $data[$key] = $values;
         }
     }
     // convert pages to guids
     if ($template->cache_time) {
         if (!empty($data['cacheExpirePages'])) {
             $values = array();
             foreach ($data['cacheExpirePages'] as $id) {
                 $page = $this->wire('pages')->get((int) $id);
                 if (!$page->id) {
                     continue;
                 }
                 $values[] = $page->path;
             }
         }
     }
     $fieldgroupData = array('fields' => array(), 'contexts' => array());
     if ($template->fieldgroup) {
         $fieldgroupData = $template->fieldgroup->getExportData();
     }
     $data['fieldgroupFields'] = $fieldgroupData['fields'];
     $data['fieldgroupContexts'] = $fieldgroupData['contexts'];
     $template->set('_exportMode', false);
     return $data;
 }