function webform_examples_accessibility_webform_submission_form_alter in Webform 6.x

Same name and namespace in other branches

1. 8.5 modules/webform_examples_accessibility/webform_examples_accessibility.module \webform_examples_accessibility_webform_submission_form_alter()

Implements hook_webform_submission_form_alter().

Adds button to disable/enable HTML client-side validation without have to change any webform settings.

The link is only applicable to webform ids that are prefix with examples_accessibility_*.

File

modules/webform_examples_accessibility/webform_examples_accessibility.module, line 30

Provides example webforms for reviewing and testing accessibility.

Code

function webform_examples_accessibility_webform_submission_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
  if (strpos($form['#webform_id'], 'example_accessibility_') !== 0 && !preg_match('/^issue_\\d+$/', $form['#webform_id']) && strpos($form['#webform_id'], 'test_') !== 0) {
    return;
  }
  $form['accessibility'] = [
    '#suffix' => '<hr/>',
    '#weight' => -1000,
  ];

  /****************************************************************************/

  // Accessibility.

  /****************************************************************************/

  // Get query without ajax parameters.
  $query = \Drupal::request()->query
    ->all();
  unset($query['ajax_form'], $query['_wrapper_format']);
  $accessibility = \Drupal::request()->query
    ->get('accessibility') === '1' ? TRUE : FALSE;
  $form['accessibility']['accessibility'] = [
    '#type' => 'link',
    '#title' => $accessibility ? t('Hide accessibility') : t('Show accessibility'),
    '#url' => Url::fromRoute('<current>', [], [
      'query' => [
        'accessibility' => $accessibility ? 0 : 1,
      ] + $query,
    ]),
  ];

  /****************************************************************************/

  // Required.

  /****************************************************************************/
  $form['accessibility'][] = [
    '#markup' => ' | ',
  ];
  if (\Drupal::request()->query
    ->get('required') === '1') {
    $required = TRUE;
  }
  elseif (\Drupal::request()->query
    ->get('required') === '0') {
    $required = FALSE;
  }
  else {
    $required = NULL;
  }
  $form['accessibility']['required'] = [
    '#type' => 'link',
    '#title' => $required ? t('Disabled required') : t('Enable required'),
    '#url' => Url::fromRoute('<current>', [], [
      'query' => [
        'required' => $required ? 0 : 1,
      ] + $query,
    ]),
  ];
  if ($required !== NULL) {
    $elements =& WebformArrayHelper::flattenAssoc($form);
    foreach ($elements as &$element) {
      if (is_array($element) && isset($element['#type'])) {
        $element['#required'] = $required;
      }
    }
  }

  /****************************************************************************/

  // No validate.

  /****************************************************************************/
  $form['accessibility'][] = [
    '#markup' => ' | ',
  ];
  if (\Drupal::request()->query
    ->get('novalidate') === '1') {
    $form['#attributes']['novalidate'] = TRUE;
    $novalidate = TRUE;
  }
  else {
    unset($form['#attributes']['novalidate']);
    $novalidate = FALSE;
  }
  $form['accessibility']['novalidate'] = [
    '#type' => 'link',
    '#title' => $novalidate ? t('Enable client-side validation') : t('Disable client-side validation'),
    '#url' => Url::fromRoute('<current>', [], [
      'query' => [
        'novalidate' => $novalidate ? 0 : 1,
      ] + $query,
    ]),
  ];

  /****************************************************************************/

  // Inline form error.

  /****************************************************************************/
  if (\Drupal::moduleHandler()
    ->moduleExists('inline_form_errors')) {
    $form['accessibility'][] = [
      '#markup' => ' | ',
    ];
    if (\Drupal::request()->query
      ->get('disable_inline_form_errors') === '1') {
      $form['#disable_inline_form_errors'] = TRUE;
      $disable_inline_form_errors = TRUE;
    }
    else {
      unset($form['#disable_inline_form_errors']);
      $disable_inline_form_errors = FALSE;
    }
    $form['accessibility']['disable_inline_form_errors'] = [
      '#type' => 'link',
      '#title' => $disable_inline_form_errors ? t('Enable inline form errors') : t('Disable inline form errors'),
      '#url' => Url::fromRoute('<current>', [], [
        'query' => [
          'disable_inline_form_errors' => $disable_inline_form_errors ? 0 : 1,
        ] + $query,
      ]),
    ];
  }
}