function shortcut_preprocess_page_title

Implements hook_preprocess_HOOK() for page title templates.

File

core/modules/shortcut/shortcut.module, line 308

Code

function shortcut_preprocess_page_title(&$variables) {
    // Only display the shortcut link if the user has the ability to edit
    // shortcuts, the feature is enabled for the current theme 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() && theme_get_setting('third_party_settings.shortcut.module_link') && !\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 = [
            'link' => $link,
            'name' => $name,
        ];
        $shortcut_set = shortcut_current_displayed_set();
        // Pages with the add or remove shortcut button need cache invalidation when
        // a shortcut is added, edited, or removed.
        $cacheability_metadata = CacheableMetadata::createFromRenderArray($variables);
        $cacheability_metadata->addCacheTags(\Drupal::entityTypeManager()->getDefinition('shortcut')
            ->getListCacheTags());
        $cacheability_metadata->applyTo($variables);
        // Check if $link is already a shortcut and set $link_mode accordingly.
        $shortcuts = \Drupal::entityTypeManager()->getStorage('shortcut')
            ->loadByProperties([
            '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', [
                '%shortcut_set' => $shortcut_set->label(),
            ]) : t('Add to shortcuts');
            $route_name = 'shortcut.link_add_inline';
            $route_parameters = [
                'shortcut_set' => $shortcut_set->id(),
            ];
        }
        else {
            $query['id'] = $shortcut_id;
            $link_text = shortcut_set_switch_access()->isAllowed() ? t('Remove from %shortcut_set shortcuts', [
                '%shortcut_set' => $shortcut_set->label(),
            ]) : t('Remove from shortcuts');
            $route_name = 'entity.shortcut.link_delete_inline';
            $route_parameters = [
                'shortcut' => $shortcut_id,
            ];
        }
        $query += \Drupal::destination()->getAsArray();
        $variables['title_suffix']['add_or_remove_shortcut'] = [
            '#attached' => [
                'library' => [
                    'shortcut/drupal.shortcut',
                ],
            ],
            '#type' => 'link',
            '#title' => new FormattableMarkup('<span class="shortcut-action__icon"></span><span class="shortcut-action__message">@text</span>', [
                '@text' => $link_text,
            ]),
            '#url' => Url::fromRoute($route_name, $route_parameters),
            '#options' => [
                'query' => $query,
            ],
            '#attributes' => [
                'class' => [
                    'shortcut-action',
                    'shortcut-action--' . $link_mode,
                ],
            ],
        ];
    }
}