Dropbutton | Dropbutton.php | 8.x-3.x

Pre-render callback for the "dropbutton" element type.

@BootstrapPrerender("dropbutton", replace = "Drupal\Core\Render\Element\Dropbutton::preRenderDropbutton" )

Hierarchy

class \Drupal\bootstrap\Plugin\Prerender\PrerenderBase implements TrustedCallbackInterface, PrerenderInterface
- class \Drupal\bootstrap\Plugin\Prerender\Dropbutton

Namespace

Source

class Dropbutton extends PrerenderBase {

  /**
   * {@inheritdoc}
   */
  public static function preRenderElement(Element $element) {
    $element['#attached']['library'][] = 'bootstrap/dropdown';

    // Enable targeted theming of specific dropbuttons (e.g., 'operations' or
    // 'operations__node').
    if ($subtype = $element->getProperty('subtype')) {
      $element->setProperty('theme', $element->getProperty('theme') . "__$subtype");
    }
  }

}

Members

Name	Modifiers	Type	Description
Dropbutton::preRenderElement	public static	function	Pre-render element callback. Overrides PrerenderBase::preRenderElement
PrerenderBase::preRender	public static	function	Pre-render render array element callback. Overrides PrerenderInterface::preRender
PrerenderBase::trustedCallbacks	public static	function	Overrides TrustedCallbackInterface::trustedCallbacks

class Dropbutton

Hierarchy

See Also

Related topics

Namespace

Members