function FormTestProgrammaticForm::buildForm

Overrides FormInterface::buildForm

File

core/modules/system/tests/modules/form_test/src/Form/FormTestProgrammaticForm.php, line 25

Class

FormTestProgrammaticForm

Form builder to test programmatic form submissions.

Namespace

Code

public function buildForm(array $form, FormStateInterface $form_state) {
    $form['textfield'] = [
        '#title' => 'Textfield',
        '#type' => 'textfield',
    ];
    $form['checkboxes'] = [
        '#title' => t('Checkboxes'),
        '#type' => 'checkboxes',
        '#options' => [
            1 => 'First checkbox',
            2 => 'Second checkbox',
        ],
        // Both checkboxes are selected by default so that we can test the ability
        // of programmatic form submissions to uncheck them.
'#default_value' => [
            1,
            2,
        ],
    ];
    $form['field_to_validate'] = [
        '#type' => 'radios',
        '#title' => 'Field to validate (in the case of limited validation)',
        '#description' => 'If the form is submitted by clicking the "Submit with limited validation" button, then validation can be limited based on the value of this radio button.',
        '#options' => [
            'all' => 'Validate all fields',
            'textfield' => 'Validate the "Textfield" field',
            'field_to_validate' => 'Validate the "Field to validate" field',
        ],
        '#default_value' => 'all',
    ];
    $form['field_restricted'] = [
        '#type' => 'textfield',
        '#title' => 'Textfield (no access)',
        '#access' => FALSE,
    ];
    // The main submit button for the form.
    $form['submit'] = [
        '#type' => 'submit',
        '#value' => 'Submit',
    ];
    // A secondary submit button that allows validation to be limited based on
    // the value of the above radio selector.
    $form['submit_limit_validation'] = [
        '#type' => 'submit',
        '#value' => 'Submit with limited validation',
        // Use the same submit handler for this button as for the form itself.
        // (This must be set explicitly or otherwise the form API will ignore the
        // #limit_validation_errors property.)
'#submit' => [
            '::submitForm',
        ],
    ];
    $user_input = $form_state->getUserInput();
    if (!empty($user_input['field_to_validate']) && $user_input['field_to_validate'] != 'all') {
        $form['submit_limit_validation']['#limit_validation_errors'] = [
            [
                $user_input['field_to_validate'],
            ],
        ];
    }
    return $form;
}