function DynamicFormSections::submitForm
Same name in other branches
- 8.x-1.x ajax_example/src/Form/DynamicFormSections.php \Drupal\ajax_example\Form\DynamicFormSections::submitForm()
- 4.0.x modules/ajax_example/src/Form/DynamicFormSections.php \Drupal\ajax_example\Form\DynamicFormSections::submitForm()
Final submit handler.
Reports what values were finally set.
Overrides FormInterface::submitForm
File
-
modules/
ajax_example/ src/ Form/ DynamicFormSections.php, line 177
Class
- DynamicFormSections
- Dynamically-enabled form with graceful no-JS degradation.
Namespace
Drupal\ajax_example\FormCode
public function submitForm(array &$form, FormStateInterface $form_state) {
$messenger = $this->messenger();
// This is only executed when a button is pressed, not when the AJAXfield
// select is changed.
// Now handle the case of the next, previous, and submit buttons.
// Only submit will result in actual submission, all others rebuild.
if ($form_state->getValue('question_type_submit') == 'Choose') {
$form_state->setValue('question_type_select', $form_state->getUserInput()['question_type_select']);
$form_state->setRebuild();
}
if ($form_state->getValue('submit') == 'Submit your answer') {
$form_state->setRebuild(FALSE);
$answer = $form_state->getValue('question');
// Special handling for the checkbox.
if ($answer == 1 && $form['questions_fieldset']['question']['#type'] == 'checkbox') {
$answer = $form['questions_fieldset']['question']['#title'];
}
if ($answer == $this->t('George Washington')) {
$messenger->addMessage($this->t('You got the right answer: @answer', [
'@answer' => $answer,
]));
}
else {
$messenger->addMessage($this->t('Sorry, your answer (@answer) is wrong', [
'@answer' => $answer,
]));
}
return;
}
// Sets the form to be rebuilt after processing.
$form_state->setRebuild();
}