private function ForwardForm::isValidDisplay in Forward 8

Same name and namespace in other branches

1. 8.3 src/Form/ForwardForm.php \Drupal\forward\Form\ForwardForm::isValidDisplay()
2. 8.2 src/Form/ForwardForm.php \Drupal\forward\Form\ForwardForm::isValidDisplay()
3. 4.x src/Form/ForwardForm.php \Drupal\forward\Form\ForwardForm::isValidDisplay()
4. 4.0.x src/Form/ForwardForm.php \Drupal\forward\Form\ForwardForm::isValidDisplay()

Determine if a given display is valid for an entity

1 call to ForwardForm::isValidDisplay()

ForwardForm::submitForm in src/Form/ForwardForm.php

Form submission handler.

File

src/Form/ForwardForm.php, line 239

Class

ForwardForm

Forward a page to a friend

Namespace

Drupal\forward\Form

Code

private function isValidDisplay(EntityInterface $entity, $view_mode) {

  // Assume the display is valid
  $valid = TRUE;

  // Build display name
  if ($entity
    ->getEntityType()
    ->hasKey('bundle')) {

    // Bundled entity types, e.g. node
    $display_name = $entity
      ->getEntityTypeId() . '.' . $entity
      ->bundle() . '.' . $view_mode;
  }
  else {

    // Entity types without bundles, e.g. user
    $display_name = $entity
      ->getEntityTypeId() . '.' . $view_mode;
  }

  // Attempt load
  $display = $this->entityTypeManager
    ->getStorage('entity_view_display')
    ->load($display_name);
  if ($display) {

    // If the display loads, it exists in configuration, and status can be checked
    $valid = FALSE;
    if ($display
      ->status()) {
      $valid = TRUE;
    }
  }
  return $valid;
}