public function BatCalendarReferenceTimelineView::viewElements in Booking and Availability Management Tools for Drupal 8

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides FormatterInterface::viewElements

File

modules/bat_calendar_reference/src/Plugin/Field/FieldFormatter/BatCalendarReferenceTimelineView.php, line 29

Contains \Drupal\bat_calendar_reference\Plugin\Field\FieldFormatter\BatCalendarReferenceTimelineView.

Class

BatCalendarReferenceTimelineView

Plugin annotation @FieldFormatter( id = "bat_calendar_reference_timeline_view", label = @Translation("Timeline View"), field_types = { "bat_calendar_unit_reference", "bat_calendar_unit_type_reference", } )

Namespace

Drupal\bat_calendar_reference\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $field_type = $this->fieldDefinition
    ->getFieldStorageDefinition()
    ->getType();
  $calendar_id = Html::getUniqueId($this->fieldDefinition
    ->getFieldStorageDefinition()
    ->getName() . '-calendar-formatter');
  $header = '';
  if ($field_type == 'bat_calendar_unit_type_reference') {
    $event_type = '';
    $event_granularity = '';
    $unit_type_names = [];
    $unit_type_ids = [];
    foreach ($items as $delta => $item) {
      if ($unit_type = bat_type_load($item->unit_type_id)) {
        $unit_type_names[] = $unit_type
          ->label();
        $unit_type_ids[] = $unit_type
          ->id();
      }
      if ($type = bat_event_type_load($item->event_type_id)) {
        $event_type = $type
          ->id();
        $event_granularity = $type
          ->getEventGranularity();
      }
    }
    if (!empty($unit_type_ids)) {
      $header = '<div class="calendar-title"><h2>' . implode(', ', $unit_type_names) . '</h2></div>';

      // Inject settings in javascript that we will use.
      $fc_user_settings[$calendar_id] = [
        'unitTypes' => $unit_type_ids,
        'unitIDs' => '',
        'eventType' => $event_type,
        'calendar_id' => 'fullcalendar-scheduler',
        'modal_style' => 'default',
        'eventGranularity' => $event_granularity,
        'editable' => FALSE,
        'selectable' => FALSE,
        'background' => '1',
      ];
    }
  }
  elseif ($field_type == 'bat_calendar_unit_reference') {
    $event_type = '';
    $event_granularity = '';
    $unit_names = [];
    $unit_ids = [];
    foreach ($items as $delta => $item) {
      if ($unit = bat_unit_load($item->unit_id)) {
        $unit_names[] = $unit
          ->label();
        $unit_ids[] = $unit
          ->id();
      }
      if ($type = bat_event_type_load($item->event_type_id)) {
        $event_type = $type
          ->id();
        $event_granularity = $type
          ->getEventGranularity();
      }
    }
    if (!empty($unit_ids)) {
      $header = '<div class="calendar-title"><h2>' . implode(', ', $unit_names) . '</h2></div>';

      // Inject settings in javascript that we will use.
      $fc_user_settings[$calendar_id] = [
        'unitTypes' => 'all',
        'unitIDs' => $unit_ids,
        'eventType' => $event_type,
        'calendar_id' => 'fullcalendar-scheduler',
        'modal_style' => 'default',
        'eventGranularity' => $event_granularity,
        'editable' => FALSE,
        'selectable' => FALSE,
        'background' => '1',
      ];
    }
  }
  if (!empty($fc_user_settings)) {
    $calendar_settings = [
      'modal_style' => 'default',
      'calendar_id' => 'fullcalendar-scheduler',
      'user_settings' => [
        'batCalendar' => $fc_user_settings,
      ],
    ];
    return [
      '#theme' => 'bat_fullcalendar',
      '#calendar_settings' => $calendar_settings,
      '#attached' => [
        'library' => [
          'bat_calendar_reference/bat_calendar_reference',
        ],
      ],
      '#attributes' => [
        'id' => $calendar_id,
        'class' => [
          'cal',
          'clearfix',
        ],
      ],
      '#prefix' => $header,
    ];
  }
  else {
    return [];
  }
}