AddToCalendar.php in Add To Calendar Button (AddEvent.com) 8.4

Namespace

Drupal\addtocalendar\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/AddToCalendar.php

<?php

namespace Drupal\addtocalendar\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\FormatterBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Plugin implementation of the 'add_to_calendar' formatter.
 *
 * @FieldFormatter(
 *   id = "add_to_calendar",
 *   label = @Translation("Add to calendar"),
 *   field_types = {
 *     "add_to_calendar_field",
 *   }
 * )
 */
class AddToCalendar extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $form = parent::settingsForm($form, $form_state);
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = parent::settingsSummary();

    // Implement settings summary.
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];
    foreach ($items as $delta => $item) {
      $elements[$delta] = [
        '#markup' => $this
          ->viewValue($item),
      ];
    }
    return $elements;
  }

  /**
   * Generate the output appropriate for one field item.
   *
   * @param \Drupal\Core\Field\FieldItemInterface $item
   *   One field item.
   *
   * @return string
   *   The textual output generated.
   */
  protected function viewValue(FieldItemInterface $item) {

    // The text value has no text format assigned to it, so the user input
    // should equal the output, including newlines.
    if ($item->value == 1) {
      $entity = $item
        ->getEntity();
      $settings = $this->fieldDefinition
        ->getSettings();
      $service = \Drupal::service('addtocalendar.apiwidget');
      $config_values = [
        'atcDisplayText' => $this->fieldDefinition
          ->getSetting('on_label'),
        'atcTitle' => $this
          ->getProperValue($settings['addtocalendar_settings']['atc_title'], $entity),
        'atcDescription' => $this
          ->getProperValue($settings['addtocalendar_settings']['atc_description'], $entity),
        'atcLocation' => $this
          ->getProperValue($settings['addtocalendar_settings']['atc_location'], $entity),
        'atcDateStart' => $this
          ->getProperValue($settings['addtocalendar_settings']['atc_date_start'], $entity, [
          'use_raw_value' => TRUE,
        ]),
        'atcDateEnd' => $this
          ->getProperValue($settings['addtocalendar_settings']['atc_date_end'], $entity, [
          'use_raw_value' => TRUE,
          'end_date' => TRUE,
        ]),
        'atcOrganizer' => $this
          ->getProperValue($settings['addtocalendar_settings']['atc_organizer'], $entity),
        'atcOrganizerEmail' => $this
          ->getProperValue($settings['addtocalendar_settings']['atc_organizer_email'], $entity),
      ];
      if ($settings['addtocalendar_settings']['data_calendars']) {
        $data_calendars = array();
        foreach ($settings['addtocalendar_settings']['data_calendars'] as $key => $set) {
          if ($set) {
            $data_calendars[$key] = $key;
          }
        }
        $config_values['atcDataCalendars'] = $data_calendars;
      }
      $service
        ->setWidgetValues($config_values);
      $build = $service
        ->generateWidget();
      $return = render($build);
    }
    else {
      $return = $this->fieldDefinition
        ->getSetting('off_label');
    }
    return $return;
  }

  /**
   * Generate the output appropriate for one add to calendar setting.
   *
   * @param array $field_setting
   *   The field setting array.
   * @param $entity
   *   The entity from which the value is to be returned.
   * @param array $options
   *   Provide various options usable to override the data value being return
   *   use 'use_raw_value' to return stored value in database.
   *   use 'end_date' in case of date range fields.
   *
   * @return string
   *   The textual output generated.
   */
  public function getProperValue(array $field_setting, $entity, array $options = array()) {
    $entity_type = $entity
      ->getEntityTypeId();

    // Create token service.
    $token_service = \Drupal::token();
    $token_options = [
      'langcode' => $entity
        ->language()
        ->getId(),
      'callback' => '',
      'clear' => TRUE,
    ];
    switch ($field_setting['field']) {
      case 'token':
        $value = $field_setting['tokenized'];
        $value = $token_service
          ->replace($value, [
          $entity_type => $entity,
        ], $token_options);
        break;
      case 'title':
        $value = $entity
          ->getTitle();
        break;
      default:
        $field = $field_setting['field'];
        if (isset($options['use_raw_value']) && $options['use_raw_value']) {
          $value = strip_tags($entity->{$field}->value);
          if (isset($options['end_date']) && strip_tags($entity->{$field}
            ->getFieldDefinition()
            ->getType()) == 'daterange') {
            $value = strip_tags($entity->{$field}->end_value);
          }
        }
        else {
          $value = $entity
            ->get($field)
            ->view([
            'label' => 'hidden',
          ]);
          $value = strip_tags(render($value));
        }
        break;
    }
    return $value;
  }

}

Classes

Name	Description
AddToCalendar	Plugin implementation of the 'add_to_calendar' formatter.