calendar_helper.inc

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<?php
class CalendarHelper
{
     var $handlerMap = array();
     
     function CalendarHelper()
     {
          ComponentManager::fireEvent("RegisterCalendarEventHandlers", $this);
     }
     
     function getHandler($event)
     {
          $pk = $event->getPrimaryKey();
          if(!$event->$pk && count($this->handlerMap))
          {
               $handler_class = array_shift(array_values($this->handlerMap));
               return new $handler_class;
          }
          
          if(get_class($event) == "Event" && $event->composite_class)
          {
               $event_class = $event->composite_class;
          }
          else
          {
               $event_class = get_class($event);
          }
     
          if(array_key_exists($event_class, $this->handlerMap))
          {
               $handler = $this->handlerMap[$event_class];
          }
          else
          {
               $handler = new StandardEventHandler();
          }
          
          return $handler;
     }
     
     function addHandler($class, $handler)
     {
          $this->handlerMap[$class] = $handler;
     }    
 
     static function eventFilterSetup()
     {
          $event = new Event();
          $event->fromGET();
          
          $event->filter = new InclusionFilter("calendar_id", "start_date", "end_date");
          
          $filterForm = new FilterForm($event, "GET");
          $filterForm->hide("end_date");
          
          $calendars = Query::create(Calendar, "ORDER BY name")->execute();
          if(count($calendars) > 0)
          {
               $calendarSelect = new FilterFieldRenderer($filterForm, "calendar_id", "Calendar", FilterFieldRenderer::formatOptions($calendars, "{name}"));
          }
          else
          {
               $filterForm->hide("calendar_id");
          }
          $dateRangeRenderer = new DateRangeFilterRenderer($filterForm, "start_date", "start_date", "year");
          $dateRangeRenderer->dateRangeLabel = "Event Date";
               
          return $filterForm;
     }
     
     static function createCalendarFacet()
     {
          $facet = new MultiSelectFacetFilter("calendar_id", array(Calendar     =>   "{name}"));
     
          $facet->dropdownMaxWidth = "160px";
          $facet->width = "200px";
          $facet->height = "240px";
     
          return $facet;
     }    
}
 
?>