public function SmartDateDurationFormatter::viewElements in Smart Date 3.0.x

Same name and namespace in other branches

1. 8.2 src/Plugin/Field/FieldFormatter/SmartDateDurationFormatter.php \Drupal\smart_date\Plugin\Field\FieldFormatter\SmartDateDurationFormatter::viewElements()
2. 3.x src/Plugin/Field/FieldFormatter/SmartDateDurationFormatter.php \Drupal\smart_date\Plugin\Field\FieldFormatter\SmartDateDurationFormatter::viewElements()
3. 3.1.x src/Plugin/Field/FieldFormatter/SmartDateDurationFormatter.php \Drupal\smart_date\Plugin\Field\FieldFormatter\SmartDateDurationFormatter::viewElements()
4. 3.2.x src/Plugin/Field/FieldFormatter/SmartDateDurationFormatter.php \Drupal\smart_date\Plugin\Field\FieldFormatter\SmartDateDurationFormatter::viewElements()
5. 3.3.x src/Plugin/Field/FieldFormatter/SmartDateDurationFormatter.php \Drupal\smart_date\Plugin\Field\FieldFormatter\SmartDateDurationFormatter::viewElements()
6. 3.4.x src/Plugin/Field/FieldFormatter/SmartDateDurationFormatter.php \Drupal\smart_date\Plugin\Field\FieldFormatter\SmartDateDurationFormatter::viewElements()

Overrides SmartDateTrait::viewElements

File

src/Plugin/Field/FieldFormatter/SmartDateDurationFormatter.php, line 81

Class

SmartDateDurationFormatter

Plugin implementation of a duration-based formatter for 'smartdate' fields.

Namespace

Drupal\smart_date\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $field_type = $this->fieldDefinition
    ->getType();
  $elements = [];

  // TODO: intelligent switching between retrieval methods.
  // Look for a defined format and use it if specified.
  $format_label = $this
    ->getSetting('format');
  if ($format_label) {
    $entity_storage_manager = \Drupal::entityTypeManager()
      ->getStorage('smart_date_format');
    $format = $entity_storage_manager
      ->load($format_label);
    $settings = $format
      ->getOptions();
  }
  else {
    $settings = [
      'separator' => $this
        ->getSetting('separator'),
      'join' => $this
        ->getSetting('join'),
      'time_format' => $this
        ->getSetting('time_format'),
      'time_hour_format' => $this
        ->getSetting('time_hour_format'),
      'date_format' => $this
        ->getSetting('date_format'),
      'date_first' => $this
        ->getSetting('date_first'),
      'ampm_reduce' => $this
        ->getSetting('ampm_reduce'),
      'site_time_toggle' => $this
        ->getSetting('site_time_toggle'),
      'allday_label' => $this
        ->getSetting('allday_label'),
    ];
  }
  $add_classes = $this
    ->getSetting('add_classes');
  foreach ($items as $delta => $item) {
    if ($field_type == 'smartdate') {
      if (empty($item->value) || empty($item->end_value)) {
        continue;
      }
      $start_ts = $item->value;
      $end_ts = $item->end_value;
    }
    elseif ($field_type == 'daterange') {
      if (empty($item->start_date) || empty($item->end_date)) {
        continue;
      }
      $start_ts = $item->start_date
        ->getTimestamp();
      $end_ts = $item->end_date
        ->getTimestamp();
    }
    else {

      // Not sure how to handle anything else, so return an empty set.
      return $elements;
    }
    $elements[$delta] = static::formatSmartDate($start_ts, $start_ts, $settings);
    $elements[$delta]['spacer'] = [
      '#markup' => $this
        ->getSetting('duration_separator'),
    ];

    // TODO: Include timezone in isAllDay check.
    if (static::isAllDay($start_ts, $end_ts)) {
      $duration_output = $settings['allday_label'];
      unset($elements[$delta]['start']['time']);
      unset($elements[$delta]['start']['join']);
    }
    else {
      $duration_output = \Drupal::service('date.formatter')
        ->formatDiff($start_ts, $end_ts);
    }
    $elements[$delta]['duration'] = [
      '#markup' => $duration_output,
    ];
    if ($add_classes) {
      if ($elements[$delta]['start'] && $elements[$delta]['start']['date']) {
        $elements[$delta]['start']['date']['#prefix'] = '<span class="smart-date--date">';
        $elements[$delta]['start']['date']['#suffix'] = '</span>';
      }
      if ($elements[$delta]['start'] && $elements[$delta]['start']['time']) {
        $elements[$delta]['start']['time']['#prefix'] = '<span class="smart-date--time">';
        $elements[$delta]['start']['time']['#suffix'] = '</span>';
      }
      if ($elements[$delta]['start'] && $elements[$delta]['duration']) {
        $elements[$delta]['duration']['#prefix'] = '<span class="smart-date--duration">';
        $elements[$delta]['duration']['#suffix'] = '</span>';
      }
    }
    if (!empty($item->_attributes)) {
      $elements[$delta]['#attributes'] += $item->_attributes;

      // Unset field item attributes since they have been included in the
      // formatter output and should not be rendered in the field template.
      unset($item->_attributes);
    }
  }
  return $elements;
}