function agenda_display_block in Agenda 6

Same name and namespace in other branches

1. 6.2 agenda.module \agenda_display_block()
2. 7.2 agenda.module \agenda_display_block()
3. 7 agenda.module \agenda_display_block()

Generate the themed agenda block

Return value

string

1 call to agenda_display_block()

agenda_block in ./agenda.module

Implementation of hook_block().

File

./agenda.module, line 157

Code

function agenda_display_block($delta = 0) {

  // Check block exists
  if ($delta === 0 || !($block = agenda_settings($delta))) {
    return false;
  }

  // Group the events by date
  $events = agenda_get_events($block);
  $groupedevents = array();
  foreach ($events as $event) {
    $groupedevents[$event['when']][] = $event;
  }
  ksort($groupedevents);

  // Filter the events based on their date
  $datelimit = $block->datelimit;
  $count = 0;
  $events = array();
  foreach ($groupedevents as $date => $eventdata) {
    if ($count >= $datelimit) {
      break;
    }
    $events[$date] = $eventdata;
    $count++;
  }

  // Render
  if (count($events)) {
    $output = theme('agenda_block', $events, $block);
  }
  elseif (empty($block->noeventstext)) {
    $output = NULL;
  }
  else {
    $output = filter_xss($block->noeventstext);
  }
  return $output;
}