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

core/modules/system/tests/modules/form_test/src/Form/FormTestVerticalTabsWithSummaryForm.php, line 27

Class

FormTestVerticalTabsWithSummaryForm

Builds a simple form to test vertical-tabs form element with tab summaries.

Namespace

Drupal\form_test\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $form['information'] = [
    '#type' => 'vertical_tabs',
    '#default_tab' => 'edit-tab1',
  ];
  $form['tab1'] = [
    '#type' => 'details',
    '#title' => $this->t('Tab 1'),
    '#group' => 'information',
  ];
  $form['tab1']['field1'] = [
    '#type' => 'textfield',
    '#title' => $this->t('Field 1'),
  ];
  $form['tab2'] = [
    '#type' => 'details',
    '#title' => $this->t('Tab 2'),
    '#group' => 'information',
  ];
  $form['tab2']['field2'] = [
    '#type' => 'textfield',
    '#title' => $this->t('Field 2'),
  ];
  $form['actions']['#type'] = 'actions';
  $form['actions']['submit'] = [
    '#type' => 'submit',
    '#value' => $this->t('Save'),
    '#button_type' => 'primary',
  ];
  // Attach the library that sets the vertical tab summaries.
  $form['#attached']['library'][] = 'form_test/form_test';
  return $form;
}

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