public static Link::preRenderLink($element)
Pre-render callback: Renders a link into #markup.
Doing so during pre_render gives modules a chance to alter the link parts.
Parameters
array $element: A structured array whose keys form the arguments to \Drupal\Core\Utility\LinkGeneratorInterface::generate():
- #title: The link text.
- #url: The URL info either pointing to a route or a non routed path.
- #options: (optional) An array of options to pass to the link generator.
Return value
array The passed-in element containing a rendered link in '#markup'.
File
- core/lib/Drupal/Core/Render/Element/Link.php, line 58
Class
- Link
- Provides a link render element.
Namespace
Drupal\Core\Render\Element
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | public static function preRenderLink($element) { // By default, link options to pass to the link generator are normally set // in #options. $element += array('#options' => array()); // However, within the scope of renderable elements, #attributes is a valid // way to specify attributes, too. Take them into account, but do not override // attributes from #options. if (isset($element['#attributes'])) { $element['#options'] += array('attributes' => array()); $element['#options']['attributes'] += $element['#attributes']; } // This #pre_render callback can be invoked from inside or outside of a Form // API context, and depending on that, a HTML ID may be already set in // different locations. #options should have precedence over Form API's #id. // #attributes have been taken over into #options above already. if (isset($element['#options']['attributes']['id'])) { $element['#id'] = $element['#options']['attributes']['id']; } elseif (isset($element['#id'])) { $element['#options']['attributes']['id'] = $element['#id']; } // Conditionally invoke self::preRenderAjaxForm(), if #ajax is set. if (isset($element['#ajax']) && !isset($element['#ajax_processed'])) { // If no HTML ID was found above, automatically create one. if (!isset($element['#id'])) { $element['#id'] = $element['#options']['attributes']['id'] = HtmlUtility::getUniqueId('ajax-link'); } $element = static::preRenderAjaxForm($element); } if (!empty($element['#url']) && $element['#url'] instanceof CoreUrl) { $options = NestedArray::mergeDeep($element['#url']->getOptions(), $element['#options']); /** @var \Drupal\Core\Utility\LinkGenerator $link_generator */ $link_generator = \Drupal::service('link_generator'); $generated_link = $link_generator->generate($element['#title'], $element['#url']->setOptions($options)); $element['#markup'] = $generated_link; $generated_link->merge(BubbleableMetadata::createFromRenderArray($element)) ->applyTo($element); } return $element;} |
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