SmartDateDurationFormatter.php in Smart Date 3.x

Namespace

Drupal\smart_date\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/SmartDateDurationFormatter.php

<?php

namespace Drupal\smart_date\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\smart_date\SmartDateTrait;

/**
 * Plugin implementation of a duration-based formatter for 'smartdate' fields.
 *
 * This formatter renders the start time range using <time> elements, with
 * the duration, using core's formatInterval functionality.
 *
 * @FieldFormatter(
 *   id = "smartdate_duration",
 *   label = @Translation("Smart Date with Duration"),
 *   field_types = {
 *     "smartdate",
 *     "daterange"
 *   }
 * )
 */
class SmartDateDurationFormatter extends SmartDateDefaultFormatter {
  use SmartDateTrait;

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'duration_separator' => ' - ',
    ] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {

    // Use the upstream settings form, which gives us a control to override the
    // timezone.
    $form = parent::settingsForm($form, $form_state);

    // Ask the user to choose a Smart Date Format.
    $smartDateFormatOptions = $this
      ->getAvailableSmartDateFormatOptions();
    $form['duration_separator'] = [
      '#type' => 'text',
      '#title' => $this
        ->t('Duration Separator'),
      '#description' => $this
        ->t('Choose which display configuration to use.'),
      '#default_value' => $this
        ->getSetting('duration_separator'),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary[] = $this
      ->getSetting('timezone_override') === '' ? t('No timezone override.') : t('Timezone overridden to %timezone.', [
      '%timezone' => $this
        ->getSetting('timezone_override'),
    ]);
    $summary[] = t('Smart date format: %format.', [
      '%format' => $this
        ->getSetting('format'),
    ]);
    $summary[] = t('Duration separator: %duration_separator.', [
      '%duration_separator' => $this
        ->getSetting('duration_separator'),
    ]);
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  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'),
        'allday_label' => $this
          ->getSetting('allday_label'),
      ];
    }
    foreach ($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'),
      ];
      $duration_output = \Drupal::service('date.formatter')
        ->formatDiff($start_ts, $end_ts);
      $elements[$delta]['duration'] = [
        '#markup' => $duration_output,
      ];
      if (!empty($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;
  }

}

Classes

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