addCommand(new HtmlCommand('#ajax_selected_color', $form_state->getValue('select')));
$response->addCommand(new DataCommand('#ajax_selected_color', 'form_state_value_select', $form_state->getValue('select')));
return $response;
}
/**
* Ajax callback triggered by date.
*/
public function dateCallback($form, FormStateInterface $form_state) {
$response = new AjaxResponse();
$date = $form_state->getValue('date');
$response->addCommand(new HtmlCommand('#ajax_date_value', sprintf('%s
', $date)));
$response->addCommand(new DataCommand('#ajax_date_value', 'form_state_value_date', $form_state->getValue('date')));
return $response;
}
/**
* Ajax callback triggered by datetime.
*/
public function datetimeCallback($form, FormStateInterface $form_state) {
$datetime = $form_state->getValue('datetime')['date'] . ' ' . $form_state->getValue('datetime')['time'];
$response = new AjaxResponse();
$response->addCommand(new HtmlCommand('#ajax_datetime_value', sprintf('%s
', $datetime)));
$response->addCommand(new DataCommand('#ajax_datetime_value', 'form_state_value_datetime', $datetime));
return $response;
}
/**
* Ajax callback triggered by checkbox.
*/
public function checkboxCallback($form, FormStateInterface $form_state) {
$response = new AjaxResponse();
$response->addCommand(new HtmlCommand('#ajax_checkbox_value', $form_state->getValue('checkbox') ? 'checked' : 'unchecked'));
$response->addCommand(new DataCommand('#ajax_checkbox_value', 'form_state_value_select', (int) $form_state->getValue('checkbox')));
return $response;
}
/**
* Ajax callback to confirm image button was submitted.
*/
public function imageButtonCallback($form, FormStateInterface $form_state) {
$response = new AjaxResponse();
$response->addCommand(new HtmlCommand('#ajax_image_button_result', "Something witty!
"));
return $response;
}
/**
* Ajax callback triggered by the checkbox in a #group.
*/
public function checkboxGroupCallback($form, FormStateInterface $form_state) {
return $form['checkbox_in_group_wrapper'];
}
}