function DisplayPluginBase::elementPreRender

Overrides DisplayPluginInterface::elementPreRender

File

core/modules/views/src/Plugin/views/display/DisplayPluginBase.php, line 2217

Class

DisplayPluginBase

Base class for views display plugins.

Namespace

Code

public function elementPreRender(array $element) {
    $view = $element['#view'];
    $empty = empty($view->result);
    // Force a render array so CSS/JS can be attached.
    if (!is_array($element['#rows'])) {
        $element['#rows'] = [
            '#markup' => $element['#rows'],
        ];
    }
    $element['#header'] = $view->display_handler
        ->renderArea('header', $empty);
    $element['#footer'] = $view->display_handler
        ->renderArea('footer', $empty);
    $element['#empty'] = $empty ? $view->display_handler
        ->renderArea('empty', $empty) : [];
    $element['#exposed'] = !empty($view->exposed_widgets) ? $view->exposed_widgets : [];
    $element['#more'] = $view->display_handler
        ->renderMoreLink();
    $element['#feed_icons'] = !empty($view->feedIcons) ? $view->feedIcons : [];
    if ($view->display_handler
        ->renderPager()) {
        $exposed_input = $view->getExposedInput();
        $element['#pager'] = $view->renderPager($exposed_input);
    }
    if (!empty($view->attachment_before)) {
        $element['#attachment_before'] = $view->attachment_before;
    }
    if (!empty($view->attachment_after)) {
        $element['#attachment_after'] = $view->attachment_after;
    }
    // If form fields were found in the view, reformat the view output as a form.
    if ($view->hasFormElements()) {
        // Only render row output if there are rows. Otherwise, render the empty
        // region.
        if (!empty($element['#rows'])) {
            $output = $element['#rows'];
        }
        else {
            $output = $element['#empty'];
        }
        $form_object = ViewsForm::create(\Drupal::getContainer(), $view->storage
            ->id(), $view->current_display, $view->args);
        $form = \Drupal::formBuilder()->getForm($form_object, $view, $output);
        // The form is requesting that all non-essential views elements be hidden,
        // usually because the rendered step is not a view result.
        if ($form['show_view_elements']['#value'] == FALSE) {
            $element['#header'] = [];
            $element['#exposed'] = [];
            $element['#pager'] = [];
            $element['#footer'] = [];
            $element['#more'] = [];
            $element['#feed_icons'] = [];
        }
        $element['#rows'] = $form;
    }
    return $element;
}