shortcut_preprocess_page_title

shortcut_preprocess_page_title(&$variables)

function shortcut_preprocess_page_title(&$variables) {
  // Only display the shortcut link if the user has the ability to edit
  // shortcuts and if the page's actual content is being shown (for example,
  // we do not want to display it on "access denied" or "page not found"
  // pages).
  if (shortcut_set_edit_access()->isAllowed() && !\Drupal::request()->attributes->has('exception')) {
    $link = Url::fromRouteMatch(\Drupal::routeMatch())->getInternalPath();
    $route_match = \Drupal::routeMatch();

    // Replicate template_preprocess_html()'s processing to get the title in
    // string form, so we can set the default name for the shortcut.
    // Strip HTML tags from the title.
    $name = trim(strip_tags(render($variables['title'])));
    $query = array(
      'link' => $link,
      'name' => $name,
    );

    $shortcut_set = shortcut_current_displayed_set();

    // Check if $link is already a shortcut and set $link_mode accordingly.
    $shortcuts = \Drupal::entityManager()->getStorage('shortcut')->loadByProperties(array('shortcut_set' => $shortcut_set->id()));
    /** @var \Drupal\shortcut\ShortcutInterface $shortcut */
    foreach ($shortcuts as $shortcut) {
      if (($shortcut_url = $shortcut->getUrl()) && $shortcut_url->isRouted() && $shortcut_url->getRouteName() == $route_match->getRouteName() && $shortcut_url->getRouteParameters() == $route_match->getRawParameters()->all()) {
        $shortcut_id = $shortcut->id();
        break;
      }
    }
    $link_mode = isset($shortcut_id) ? "remove" : "add";

    if ($link_mode == "add") {
      $link_text = shortcut_set_switch_access()->isAllowed() ? t('Add to %shortcut_set shortcuts', array('%shortcut_set' => $shortcut_set->label())) : t('Add to shortcuts');
      $route_name = 'shortcut.link_add_inline';
      $route_parameters = array('shortcut_set' => $shortcut_set->id());
    }
    else {
      $query['id'] = $shortcut_id;
      $link_text = shortcut_set_switch_access()->isAllowed() ? t('Remove from %shortcut_set shortcuts', array('%shortcut_set' => $shortcut_set->label())) : t('Remove from shortcuts');
      $route_name = 'entity.shortcut.link_delete_inline';
      $route_parameters = array('shortcut' => $shortcut_id);
    }

    if (theme_get_setting('third_party_settings.shortcut.module_link')) {
      $query += \Drupal::destination()->getAsArray();
      $variables['title_suffix']['add_or_remove_shortcut'] = array(
        '#attached' => array(
          'library' => array(
            'shortcut/drupal.shortcut',
          ),
        ),
        '#type' => 'link',
        '#title' => SafeMarkup::format('<span class="shortcut-action__icon"></span><span class="shortcut-action__message">@text</span>', array('@text' => $link_text)),
        '#url' => Url::fromRoute($route_name, $route_parameters),
        '#options' => array('query' => $query),
        '#attributes' => array(
          'class' => array(
            'shortcut-action',
            'shortcut-action--' . $link_mode,
          ),
        ),
      );
    }
  }
}