public function EventTypeForm::form in Booking and Availability Management Tools for Drupal 8

Gets the actual form array to be built.

Overrides EntityForm::form

See also

\Drupal\Core\Entity\EntityForm::processForm()

\Drupal\Core\Entity\EntityForm::afterBuild()

File

modules/bat_event/src/EventTypeForm.php, line 63

Contains \Drupal\bat_event\EventTypeForm.

Class

EventTypeForm

Form handler for event type forms.

Namespace

Drupal\bat_event

Code

public function form(array $form, FormStateInterface $form_state) {
  $form = parent::form($form, $form_state);
  $event_type = $this->entity;
  $form['name'] = [
    '#title' => t('Label'),
    '#type' => 'textfield',
    '#default_value' => $event_type
      ->label(),
    '#description' => t('The human-readable name of this event type.'),
    '#required' => TRUE,
    '#size' => 30,
  ];
  $form['type'] = [
    '#type' => 'machine_name',
    '#default_value' => $event_type
      ->id(),
    '#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
    '#disabled' => FALSE,
    '#machine_name' => [
      'exists' => [
        'Drupal\\bat_event\\Entity\\EventType',
        'load',
      ],
      'source' => [
        'name',
      ],
    ],
    '#description' => t('A unique machine-readable name for this event type. It must only contain lowercase letters, numbers, and underscores.'),
  ];
  if ($event_type
    ->isNew()) {
    $form['fixed_event_states'] = [
      '#type' => 'checkbox',
      '#title' => t('Fixed event states'),
    ];
  }
  $form['event_granularity'] = [
    '#type' => 'select',
    '#title' => t('Event Granularity'),
    '#options' => [
      'bat_daily' => t('Daily'),
      'bat_hourly' => t('Hourly'),
    ],
    '#default_value' => !empty($event_type
      ->getEventGranularity()) ? $event_type
      ->getEventGranularity() : 'bat_daily',
  ];
  if ($event_type
    ->isNew()) {

    // Check for available Target Entity types.
    $target_entity_types = $this->moduleHandler
      ->invokeAll('bat_event_target_entity_types');
    if (count($target_entity_types) == 1) {

      // If there's only one target entity type, we simply store the value
      // without showing it to the user.
      $form['target_entity_type'] = [
        '#type' => 'value',
        '#value' => $target_entity_types[0],
      ];
    }
    else {

      // Build option list.
      $options = [];
      foreach ($target_entity_types as $target_entity_type) {
        $target_entity_info = $this->entityTypeManager
          ->getDefinition($target_entity_type);
        $options[$target_entity_type] = $target_entity_info
          ->getLabel();
      }
      $form['target_entity_type'] = [
        '#type' => 'select',
        '#title' => t('Target Entity Type'),
        '#description' => t('Select the target entity type for this Event type. In most cases you will wish to leave this as "Unit".'),
        '#options' => $options,
        // Default to BAT Unit if available.
        '#default_value' => isset($target_entity_types['bat_unit']) ? 'bat_unit' : '',
      ];
    }
  }
  $form['advanced'] = [
    '#type' => 'vertical_tabs',
    '#attributes' => [
      'class' => [
        'entity-meta',
      ],
    ],
    '#weight' => 99,
  ];
  if (!$event_type
    ->isNew() && $event_type
    ->getFixedEventStates() == 0) {
    $fields_options = [];
    $fields = $this->entityFieldManager
      ->getFieldDefinitions('bat_event', $event_type
      ->id());
    foreach ($fields as $field) {
      if ($field instanceof FieldConfig) {
        $fields_options[$field
          ->getName()] = $field
          ->getLabel() . ' (' . $field
          ->getName() . ')';
      }
    }
    $form['events'] = [
      '#type' => 'details',
      '#group' => 'advanced',
      '#title' => t('Events'),
      '#tree' => TRUE,
      '#weight' => 80,
    ];
    $form['events'][$event_type
      ->id()] = [
      '#type' => 'select',
      '#title' => t('Select your default @event field', [
        '@event' => $event_type
          ->label(),
      ]),
      '#options' => $fields_options,
      '#default_value' => isset($event_type->default_event_value_field_ids) ? $event_type->default_event_value_field_ids : NULL,
      '#empty_option' => t('- Select a field -'),
    ];
  }
  if (!$event_type
    ->isNew()) {
    $fields_options = [];
    $fields = $this->entityFieldManager
      ->getFieldDefinitions('bat_event', $event_type
      ->id());
    foreach ($fields as $field) {
      if ($field instanceof FieldConfig) {
        $fields_options[$field
          ->getName()] = $field
          ->getLabel() . ' (' . $field
          ->getName() . ')';
      }
    }
    $form['event_label'] = [
      '#type' => 'details',
      '#group' => 'advanced',
      '#title' => t('Label Source'),
      '#tree' => TRUE,
      '#weight' => 70,
    ];
    $form['event_label']['default_event_label_field_name'] = [
      '#type' => 'select',
      '#title' => t('Select your label field', [
        '@event' => $event_type
          ->label(),
      ]),
      '#default_value' => isset($event_type->default_event_label_field_name) ? $event_type->default_event_label_field_name : NULL,
      '#empty_option' => t('- Select a field -'),
      '#description' => t('If you select a field here, its value will be used as the label for your event. BAT will fall back to using the event state as the label if the field has no value.'),
      '#options' => $fields_options,
    ];
  }
  return $this
    ->protectBundleIdElement($form);
}