public function EditableFieldsForm::buildForm in Editable Fields 8

Same name and namespace in other branches

1. 1.0.x src/Form/EditableFieldsForm.php \Drupal\editablefields\Form\EditableFieldsForm::buildForm()

Form constructor.

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.

Overrides FormInterface::buildForm

File

src/Form/EditableFieldsForm.php, line 71

Class

EditableFieldsForm

Class EditableFieldsForm.

Namespace

Drupal\editablefields\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $field = $this->field_name;
  $form_display = $this
    ->getFormDisplay();
  $is_admin = $this->editablefieldsHelper
    ->isAdmin();
  if (empty($form_display) || !$form_display
    ->id()) {
    if ($is_admin) {
      return [
        '#markup' => $this
          ->t('Form mode @mode missing', [
          '@mode' => $this->form_mode,
        ]),
      ];
    }
    return [];
  }

  // Get the field widget from the form mode.
  $component = $form_display
    ->getComponent($field);
  if (!$component) {
    if ($is_admin) {
      return [
        '#markup' => $this
          ->t('The field @field is missing in the @mode', [
          '@field' => $field,
          '@mode' => $this->form_mode,
        ]),
      ];
    }
    return [];
  }

  // Add #parents to avoid error in WidgetBase::form.
  $form['#parents'] = [];

  // Get widget and prepare values for it.
  $widget = $form_display
    ->getRenderer($field);
  $items = $this->entity
    ->get($field);
  $items
    ->filterEmptyItems();

  // Get a widget form.
  $form[$field] = $widget
    ->form($items, $form, $form_state);
  $form[$field]['#access'] = $items
    ->access('edit');
  $form['submit'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Update'),
    '#ajax' => [
      'callback' => [
        $this,
        'ajaxCallback',
      ],
      'wrapper' => str_replace('_', '-', $this
        ->getFormId()),
    ],
  ];
  return $form;
}