function Callbacks::advancedCommandsCssCallback

Ajax form callback: Selects 'css'.

File

core/modules/system/tests/modules/ajax_forms_test/src/Callbacks.php, line 180

Class

Callbacks

Simple object for testing methods as Ajax callbacks.

Namespace

Code

public static function advancedCommandsCssCallback($form, FormStateInterface $form_state) : AjaxResponse {
    $selector = '#css_div';
    $color = 'blue';
    $response = new AjaxResponse();
    $response->addCommand(new CssCommand($selector, [
        'background-color' => $color,
    ]));
    return $response;
}