function AjaxFormsTestLazyLoadForm::buildForm

Overrides FormInterface::buildForm

File

core/modules/system/tests/modules/ajax_forms_test/src/Form/AjaxFormsTestLazyLoadForm.php, line 25

Class

AjaxFormsTestLazyLoadForm

Form builder: Builds a form that triggers a simple AJAX callback.

Namespace

Code

public function buildForm(array $form, FormStateInterface $form_state) {
    // We attach a JavaScript setting, so that one of the generated AJAX
    // commands will be a settings command. We can then check the settings
    // command to ensure that the 'currentPath' setting is not part
    // of the Ajax response.
    $form['#attached']['drupalSettings']['test'] = 'currentPathUpdate';
    $form['add_files'] = [
        '#title' => $this->t('Add files'),
        '#type' => 'checkbox',
        '#default_value' => FALSE,
    ];
    $form['submit'] = [
        '#type' => 'submit',
        '#value' => $this->t('Submit'),
        '#ajax' => [
            'wrapper' => 'ajax-forms-test-lazy-load-ajax-wrapper',
            'callback' => 'ajax_forms_test_lazy_load_form_ajax',
        ],
        '#prefix' => '<div id="ajax-forms-test-lazy-load-ajax-wrapper"></div>',
    ];
    return $form;
}