public function EntityEmbedDialog::buildSelectStep in Entity Embed 8

Form constructor for the entity selection step.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array The form structure.

1 call to EntityEmbedDialog::buildSelectStep()

EntityEmbedDialog::buildForm in src/Form/EntityEmbedDialog.php

Form constructor.

File

src/Form/EntityEmbedDialog.php, line 241

Class

EntityEmbedDialog

Provides a form to embed entities by specifying data attributes.

Namespace

Drupal\entity_embed\Form

Code

public function buildSelectStep(array $form, FormStateInterface $form_state) {

  // Entity element is calculated on every AJAX request/submit.
  // See self::buildForm().
  $entity_element = $form_state
    ->get('entity_element');

  /** @var \Drupal\embed\EmbedButtonInterface $embed_button */
  $embed_button = $form_state
    ->get('embed_button');
  $entity = $form_state
    ->get('entity');
  $form['attributes']['data-entity-type'] = [
    '#type' => 'value',
    '#value' => $entity_element['data-entity-type'],
  ];
  $label = $this
    ->t('Label');

  // Attempt to display a better label if we can by getting it from
  // the label field definition.
  $entity_type = $this->entityTypeManager
    ->getDefinition($entity_element['data-entity-type']);
  if ($entity_type
    ->entityClassImplements(FieldableEntityInterface::class) && $entity_type
    ->hasKey('label')) {
    $field_definitions = $this->entityFieldManager
      ->getBaseFieldDefinitions($entity_type
      ->id());
    if (isset($field_definitions[$entity_type
      ->getKey('label')])) {
      $label = $field_definitions[$entity_type
        ->getKey('label')]
        ->getLabel();
    }
  }
  $form['#title'] = $this
    ->t('Select @type to embed', [
    '@type' => $entity_type
      ->getSingularLabel(),
  ]);
  if ($this->entityBrowser) {
    $this->eventDispatcher
      ->addListener(Events::REGISTER_JS_CALLBACKS, [
      $this,
      'registerJSCallback',
    ]);
    $form['entity_browser'] = [
      '#type' => 'entity_browser',
      '#entity_browser' => $this->entityBrowser
        ->id(),
      '#cardinality' => 1,
      '#entity_browser_validators' => [
        'entity_type' => [
          'type' => $entity_element['data-entity-type'],
        ],
      ],
    ];
  }
  else {
    $form['entity_id'] = [
      '#type' => 'entity_autocomplete',
      '#target_type' => $entity_element['data-entity-type'],
      '#title' => $label,
      '#default_value' => $entity,
      '#required' => TRUE,
      '#description' => $this
        ->t('Type label and pick the right one from suggestions. Note that the unique ID will be saved.'),
      '#maxlength' => 255,
    ];
    if ($bundles = $embed_button
      ->getTypeSetting('bundles')) {
      $form['entity_id']['#selection_settings']['target_bundles'] = $bundles;
    }
  }
  if (!empty($entity_element['data-langcode'])) {
    $form['attributes']['data-langcode'] = [
      '#type' => 'hidden',
      '#value' => $entity_element['data-langcode'],
    ];
  }
  $form['attributes']['data-entity-uuid'] = [
    '#type' => 'value',
    '#title' => $entity_element['data-entity-uuid'],
  ];
  $form['actions'] = [
    '#type' => 'actions',
  ];
  $form['actions']['save_modal'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Next'),
    '#button_type' => 'primary',
    // No regular submit-handler. This form only works via JavaScript.
    '#submit' => [],
    '#ajax' => [
      'callback' => '::submitSelectStep',
      'event' => 'click',
    ],
    '#attributes' => [
      'class' => [
        'js-button-next',
      ],
    ],
  ];
  return $form;
}