public static function View::preRenderViewElement in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/views/src/Element/View.php \Drupal\views\Element\View::preRenderViewElement()

View element pre render callback.

1 call to View::preRenderViewElement()

ViewsBlock::build in core/modules/views/src/Plugin/Block/ViewsBlock.php

Builds and returns the renderable array for this block plugin.

File

core/modules/views/src/Element/View.php, line 35

Class

View

Provides a render element to display a view.

Namespace

Drupal\views\Element

Code

public static function preRenderViewElement($element) {

  // Allow specific Views displays to explicitly perform pre-rendering, for
  // those displays that need to be able to know the fully built render array.
  if (!empty($element['#pre_rendered'])) {
    return $element;
  }
  if (!isset($element['#view'])) {
    $view = Views::getView($element['#name']);
  }
  else {
    $view = $element['#view'];
  }
  $element += $view->element;
  $view->element =& $element;

  // Mark the element as being prerendered, so other code like
  // \Drupal\views\ViewExecutable::setCurrentPage knows that its no longer
  // possible to manipulate the $element.
  $view->element['#pre_rendered'] = TRUE;
  if (isset($element['#response'])) {
    $view
      ->setResponse($element['#response']);
  }
  if ($view && $view
    ->access($element['#display_id'])) {
    if (!empty($element['#embed'])) {
      $element['view_build'] = $view
        ->preview($element['#display_id'], $element['#arguments']);
    }
    else {

      // Add contextual links to the view. We need to attach them to the dummy
      // $view_array variable, since contextual_preprocess() requires that they
      // be attached to an array (not an object) in order to process them. For
      // our purposes, it doesn't matter what we attach them to, since once they
      // are processed by contextual_preprocess() they will appear in the
      // $title_suffix variable (which we will then render in
      // views-view.html.twig).
      $view
        ->setDisplay($element['#display_id']);

      // Add the result of the executed view as a child element so any
      // #pre_render elements for the view will get processed. A #pre_render
      // element cannot be added to the main element as this is already inside
      // a #pre_render callback.
      $element['view_build'] = $view
        ->executeDisplay($element['#display_id'], $element['#arguments']);
      if (isset($element['view_build']['#title'])) {
        $element['#title'] =& $element['view_build']['#title'];
      }
      if (empty($view->display_handler
        ->getPluginDefinition()['returns_response'])) {

        // views_add_contextual_links() needs the following information in
        // order to be attached to the view.
        $element['#view_id'] = $view->storage
          ->id();
        $element['#view_display_show_admin_links'] = $view
          ->getShowAdminLinks();
        $element['#view_display_plugin_id'] = $view->display_handler
          ->getPluginId();
        views_add_contextual_links($element, 'view', $view->current_display);
      }
    }
    if (empty($view->display_handler
      ->getPluginDefinition()['returns_response'])) {
      $element['#attributes']['class'][] = 'views-element-container';
      $element['#theme_wrappers'] = [
        'container',
      ];
    }
  }
  return $element;
}