/**
  * Display file selection type menu
  *
  * @access	private
  */
 private function display_view_types()
 {
     $to_read['table'] = 'media';
     $to_read['columns'] = array('media_type');
     $to_read['condition_columns'][':album'] = 'media_album';
     $to_read['condition_select_types'][':album'] = '=';
     $to_read['condition_values'][':album'] = '0';
     $to_read['value_types'][':album'] = 'int';
     $types = $this->_db->read($to_read);
     $count_image = 0;
     $count_video = 0;
     $count_alien = 0;
     foreach ($types as $type) {
         $typ = substr($type['media_type'], 0, 5);
         switch ($typ) {
             case 'image':
                 $count_image++;
                 break;
             case 'video':
                 $count_video++;
                 break;
             case 'alien':
                 $count_alien++;
                 break;
         }
     }
     $image = 'Images';
     $video = 'Videos';
     $alien = 'External videos';
     switch ($this->_view_type) {
         case 'image':
             $image = '<span class="a_selected">Images</span>';
             break;
         case 'video':
             $video = '<span class="a_selected">Videos</span>';
             break;
         case 'alien':
             $alien = '<span class="a_selected">External videos</span>';
             break;
     }
     Html::mm_type_menu($image, $count_image, $video, $count_video, $alien, $count_alien);
 }