public function FormWidgetExampleForm::buildForm in Typed Data API enhancements 8
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
- tests/
modules/ typed_data_widget_test/ src/ FormWidgetExampleForm.php, line 105
Class
- FormWidgetExampleForm
- Class FormWidgetExampleForm.
Namespace
Drupal\typed_data_widget_testCode
public function buildForm(array $form, FormStateInterface $form_state, $widget_id = NULL) {
$widget = $this
->getFormWidgetManager()
->createInstance($widget_id);
// Read and write widget configuration from the state.
// Allow tests to define a custom context definition.
$context_definition = $this->state
->get('typed_data_widgets.definition');
$context_definition = $context_definition ?: $this
->getExampleContextDefinition($widget_id);
$form_state
->set('widget_id', $widget_id);
$form_state
->set('context_definition', $context_definition);
// Create a typed data object.
$data = $this
->getTypedDataManager()
->create($context_definition
->getDataDefinition());
$value = $this->state
->get('typed_data_widgets.' . $widget_id);
$value = isset($value) ? $value : $context_definition
->getDefaultValue();
$data
->setValue($value);
$subform_state = SubformState::createWithParents([
'data',
], $form, $form_state);
$form['data'] = $widget
->form($data, $subform_state);
$form['actions']['#type'] = 'actions';
// 'Submit' will save the widget value.
$form['actions']['submit'] = [
'#type' => 'submit',
'#value' => 'Submit',
];
// 'Reset' will erase the saved value and revert to default.
$form['actions']['reset'] = [
'#type' => 'submit',
'#value' => 'Reset',
];
return $form;
}