public static function ConfirmFormHelper::buildCancelLink in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Form/ConfirmFormHelper.php \Drupal\Core\Form\ConfirmFormHelper::buildCancelLink()

Builds the cancel link for a confirmation form.

Parameters

\Drupal\Core\Form\ConfirmFormInterface $form: The confirmation form.

\Symfony\Component\HttpFoundation\Request $request: The current request.

Return value

array The link render array for the cancel form.

8 calls to ConfirmFormHelper::buildCancelLink()

ConfirmFormBase::buildForm in core/lib/Drupal/Core/Form/ConfirmFormBase.php

Form constructor.

ConfirmFormHelperTest::testCancelLinkDestination in core/tests/Drupal/Tests/Core/Form/ConfirmFormHelperTest.php

@covers ::buildCancelLink

ConfirmFormHelperTest::testCancelLinkRoute in core/tests/Drupal/Tests/Core/Form/ConfirmFormHelperTest.php

@covers ::buildCancelLink

ConfirmFormHelperTest::testCancelLinkRouteWithParams in core/tests/Drupal/Tests/Core/Form/ConfirmFormHelperTest.php

@covers ::buildCancelLink

ConfirmFormHelperTest::testCancelLinkRouteWithUrl in core/tests/Drupal/Tests/Core/Form/ConfirmFormHelperTest.php

@covers ::buildCancelLink

... See full list

File

core/lib/Drupal/Core/Form/ConfirmFormHelper.php, line 25

Class

ConfirmFormHelper

Provides common functionality to confirmation forms.

Namespace

Drupal\Core\Form

Code

public static function buildCancelLink(ConfirmFormInterface $form, Request $request) {

  // Prepare cancel link.
  $query = $request->query;
  $url = NULL;

  // If a destination is specified, that serves as the cancel link.
  if ($query
    ->has('destination')) {
    $options = UrlHelper::parse($query
      ->get('destination'));

    // @todo Revisit this in https://www.drupal.org/node/2418219.
    try {
      $url = Url::fromUserInput('/' . ltrim($options['path'], '/'), $options);
    } catch (\InvalidArgumentException $e) {

      // Suppress the exception and fall back to the form's cancel url.
    }
  }

  // Check for a route-based cancel link.
  if (!$url) {
    $url = $form
      ->getCancelUrl();
  }
  return [
    '#type' => 'link',
    '#title' => $form
      ->getCancelText(),
    '#attributes' => [
      'class' => [
        'button',
      ],
    ],
    '#url' => $url,
    '#cache' => [
      'contexts' => [
        'url.query_args:destination',
      ],
    ],
  ];
}