menu.inc

Same filename in other branches
  1. 7.x includes/menu.inc
  2. 9 core/includes/menu.inc

API for the Drupal menu system.

File

core/includes/menu.inc

View source
<?php


/**
 * @file
 * API for the Drupal menu system.
 */

/**
 * @addtogroup menu
 * @{
 */
use Drupal\Component\Render\FormattableMarkup;
use Drupal\Core\Render\Element;

/**
 * Prepares variables for single local task link templates.
 *
 * Default template: menu-local-task.html.twig.
 *
 * @param array $variables
 *   An associative array containing:
 *   - element: A render element containing:
 *     - #link: A menu link array with 'title', 'url', and (optionally)
 *       'localized_options' keys.
 *     - #active: A boolean indicating whether the local task is active.
 */
function template_preprocess_menu_local_task(&$variables) {
    $link = $variables['element']['#link'];
    $link += [
        'localized_options' => [],
    ];
    $link_text = $link['title'];
    if (!empty($variables['element']['#active'])) {
        $variables['is_active'] = TRUE;
        // Add text to indicate active tab for non-visual users.
        $active = new FormattableMarkup('<span class="visually-hidden">@label</span>', [
            '@label' => t('(active tab)'),
        ]);
        $link_text = t('@local-task-title@active', [
            '@local-task-title' => $link_text,
            '@active' => $active,
        ]);
    }
    $link['localized_options']['set_active_class'] = TRUE;
    $variables['link'] = [
        '#type' => 'link',
        '#title' => $link_text,
        '#url' => $link['url'],
        '#options' => $link['localized_options'],
    ];
}

/**
 * Prepares variables for single local action link templates.
 *
 * Default template: menu-local-action.html.twig.
 *
 * @param array $variables
 *   An associative array containing:
 *   - element: A render element containing:
 *     - #link: A menu link array with 'title', 'url', and (optionally)
 *       'localized_options' keys.
 */
function template_preprocess_menu_local_action(&$variables) {
    $link = $variables['element']['#link'];
    $link += [
        'localized_options' => [],
    ];
    $link['localized_options']['attributes']['class'][] = 'button';
    $link['localized_options']['attributes']['class'][] = 'button-action';
    $link['localized_options']['set_active_class'] = TRUE;
    $variables['link'] = [
        '#type' => 'link',
        '#title' => $link['title'],
        '#options' => $link['localized_options'],
        '#url' => $link['url'],
    ];
}

/**
 * Returns an array containing the names of system-defined (default) menus.
 */
function menu_list_system_menus() {
    return [
        'tools' => 'Tools',
        'admin' => 'Administration',
        'account' => 'User account menu',
        'main' => 'Main navigation',
        'footer' => 'Footer menu',
    ];
}

/**
 * Collects the local tasks (tabs) for the current route.
 *
 * @param int $level
 *   The level of tasks you ask for. Primary tasks are 0, secondary are 1.
 *
 * @return array
 *   An array containing
 *   - tabs: Local tasks for the requested level.
 *   - route_name: The route name for the current page used to collect the local
 *     tasks.
 *
 * @see hook_menu_local_tasks_alter()
 * @see https://www.drupal.org/node/2544940
 *
 * @deprecated in drupal:8.0.0 and is removed from drupal:9.0.0.
 */
function menu_local_tasks($level = 0) {
    
    /** @var \Drupal\Core\Menu\LocalTaskManagerInterface $manager */
    $manager = \Drupal::service('plugin.manager.menu.local_task');
    return $manager->getLocalTasks(\Drupal::routeMatch()->getRouteName(), $level);
}

/**
 * Returns the rendered local tasks at the top level.
 *
 * @deprecated in drupal:8.0.0 and is removed from drupal:9.0.0. Use
 *   \Drupal\Core\Menu\LocalTaskManagerInterface::getLocalTasks() instead.
 *
 * @see https://www.drupal.org/node/2874695
 */
function menu_primary_local_tasks() {
    @trigger_error(__FUNCTION__ . '() is deprecated in drupal:8.0.0 and is removed from drupal:9.0.0. Use \\Drupal\\Core\\Menu\\LocalTaskManagerInterface::getLocalTasks() instead. See https://www.drupal.org/node/2874695', E_USER_DEPRECATED);
    
    /** @var \Drupal\Core\Menu\LocalTaskManagerInterface $manager */
    $manager = \Drupal::service('plugin.manager.menu.local_task');
    $links = $manager->getLocalTasks(\Drupal::routeMatch()->getRouteName(), 0);
    // Do not display single tabs.
    return count(Element::getVisibleChildren($links['tabs'])) > 1 ? $links['tabs'] : '';
}

/**
 * Returns the rendered local tasks at the second level.
 *
 * @deprecated in drupal:8.0.0 and is removed from drupal:9.0.0. Use
 *   \Drupal\Core\Menu\LocalTaskManagerInterface::getLocalTasks() instead.
 *
 * @see https://www.drupal.org/node/2874695
 */
function menu_secondary_local_tasks() {
    @trigger_error(__FUNCTION__ . '() is deprecated in drupal:8.0.0 and is removed from drupal:9.0.0. Use \\Drupal\\Core\\Menu\\LocalTaskManagerInterface::getLocalTasks() instead. See https://www.drupal.org/node/2874695', E_USER_DEPRECATED);
    
    /** @var \Drupal\Core\Menu\LocalTaskManagerInterface $manager */
    $manager = \Drupal::service('plugin.manager.menu.local_task');
    $links = $manager->getLocalTasks(\Drupal::routeMatch()->getRouteName(), 1);
    // Do not display single tabs.
    return count(Element::getVisibleChildren($links['tabs'])) > 1 ? $links['tabs'] : '';
}

/**
 * Returns a renderable element for the primary and secondary tabs.
 *
 * @deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use
 *   local_tasks_block block or inline theming instead.
 *
 * @see https://www.drupal.org/node/2874695
 */
function menu_local_tabs() {
    @trigger_error(__FUNCTION__ . '() is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use local_tasks_block block or inline theming instead. See https://www.drupal.org/node/2874695', E_USER_DEPRECATED);
    $build = [
        '#theme' => 'menu_local_tasks',
        '#primary' => menu_primary_local_tasks(),
        '#secondary' => menu_secondary_local_tasks(),
    ];
    return !empty($build['#primary']) || !empty($build['#secondary']) ? $build : [];
}

/**
 * Clears all cached menu data.
 *
 * This should be called any time broad changes
 * might have been made to the router items or menu links.
 *
 * @deprecated in drupal:8.6.0 and is removed from drupal:9.0.0. Use
 *   \Drupal::cache('menu')->invalidateAll() instead.
 *
 * @see https://www.drupal.org/node/2989138
 */
function menu_cache_clear_all() {
    @trigger_error("menu_cache_clear_all() is deprecated in Drupal 8.6.0 and will be removed before Drupal 9.0.0. Use \\Drupal::cache('menu')->invalidateAll() instead. See https://www.drupal.org/node/2989138", E_USER_DEPRECATED);
    \Drupal::cache('menu')->invalidateAll();
}

/**
 * @} End of "addtogroup menu".
 */

Functions

Title Deprecated Summary
menu_cache_clear_all

in drupal:8.6.0 and is removed from drupal:9.0.0. Use \Drupal::cache('menu')->invalidateAll() instead.

Clears all cached menu data.
menu_list_system_menus Returns an array containing the names of system-defined (default) menus.
menu_local_tabs

in drupal:8.8.0 and is removed from drupal:9.0.0. Use local_tasks_block block or inline theming instead.

Returns a renderable element for the primary and secondary tabs.
menu_local_tasks

in drupal:8.0.0 and is removed from drupal:9.0.0.

Collects the local tasks (tabs) for the current route.
menu_primary_local_tasks

in drupal:8.0.0 and is removed from drupal:9.0.0. Use \Drupal\Core\Menu\LocalTaskManagerInterface::getLocalTasks() instead.

Returns the rendered local tasks at the top level.
menu_secondary_local_tasks

in drupal:8.0.0 and is removed from drupal:9.0.0. Use \Drupal\Core\Menu\LocalTaskManagerInterface::getLocalTasks() instead.

Returns the rendered local tasks at the second level.
template_preprocess_menu_local_action Prepares variables for single local action link templates.
template_preprocess_menu_local_task Prepares variables for single local task link templates.

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