tour.module

<?php


/**
 * @file
 * Main functions of the module.
 */
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\tour\Entity\Tour;

/**
 * Implements hook_help().
 */
function tour_help($route_name, RouteMatchInterface $route_match) {
    switch ($route_name) {
        case 'help.page.tour':
            $output = '';
            $output .= '<h2>' . t('About') . '</h2>';
            $output .= '<p>' . t("The Tour module provides users with guided tours of the site interface. Each tour consists of several tips that highlight elements of the user interface, guide the user through a workflow, or explain key concepts of the website. For more information, see the <a href=':tour'>online documentation for the Tour module</a>.", [
                ':tour' => 'https://www.drupal.org/documentation/modules/tour',
            ]) . '</p>';
            $output .= '<h2>' . t('Uses') . '</h2>';
            $output .= '<dl>';
            $output .= '<dt>' . t('Viewing tours') . '</dt>';
            $output .= '<dd>' . t("If a tour is available on a page, a <em>Tour</em> button will be visible in the toolbar. If you click this button the first tip of the tour will appear. The tour continues after clicking the <em>Next</em> button in the tip. To see a tour users must have the permission <em>Access tour</em> and JavaScript must be enabled in the browser") . '</dd>';
            $output .= '<dt>' . t('Creating tours') . '</dt>';
            $output .= '<dd>' . t("Tours can be written as YAML-documents with a text editor, or using the contributed <a href=':tour_ui'>Tour UI</a> module. For more information, see <a href=':doc_url'>the online documentation for writing tours</a>.", [
                ':doc_url' => 'https://www.drupal.org/developing/api/tour',
                ':tour_ui' => 'https://www.drupal.org/project/tour_ui',
            ]) . '</dd>';
            $output .= '</dl>';
            return $output;
    }
}

/**
 * Implements hook_toolbar().
 */
function tour_toolbar() {
    $items = [];
    $items['tour'] = [
        '#cache' => [
            'contexts' => [
                'user.permissions',
            ],
        ],
    ];
    if (!\Drupal::currentUser()->hasPermission('access tour')) {
        return $items;
    }
    $items['tour'] += [
        '#type' => 'toolbar_item',
        'tab' => [
            '#type' => 'html_tag',
            '#tag' => 'button',
            '#value' => t('Tour'),
            '#attributes' => [
                'class' => [
                    'toolbar-icon',
                    'toolbar-icon-help',
                ],
                'aria-pressed' => 'false',
                'type' => 'button',
            ],
        ],
        '#wrapper_attributes' => [
            'class' => [
                'tour-toolbar-tab',
                'hidden',
            ],
            'id' => 'toolbar-tab-tour',
        ],
        '#attached' => [
            'library' => [
                'tour/tour',
            ],
        ],
    ];
    return $items;
}

/**
 * Implements hook_page_bottom().
 */
function tour_page_bottom(array &$page_bottom) {
    if (!\Drupal::currentUser()->hasPermission('access tour')) {
        return;
    }
    // Load all of the items and match on route name.
    $route_match = \Drupal::routeMatch();
    $route_name = $route_match->getRouteName();
    $results = \Drupal::entityQuery('tour')->condition('routes.*.route_name', $route_name)
        ->condition('status', TRUE)
        ->execute();
    if (!empty($results) && ($tours = Tour::loadMultiple(array_keys($results)))) {
        foreach ($tours as $id => $tour) {
            // Match on params.
            if (!$tour->hasMatchingRoute($route_name, $route_match->getRawParameters()
                ->all())) {
                unset($tours[$id]);
            }
        }
        if (!empty($tours)) {
            $page_bottom['tour'] = \Drupal::entityTypeManager()->getViewBuilder('tour')
                ->viewMultiple($tours, 'full');
        }
    }
}

/**
 * Implements hook_ENTITY_TYPE_insert() for tour entities.
 */
function tour_tour_insert($entity) {
    \Drupal::service('plugin.manager.tour.tip')->clearCachedDefinitions();
}

/**
 * Implements hook_ENTITY_TYPE_update() for tour entities.
 */
function tour_tour_update($entity) {
    \Drupal::service('plugin.manager.tour.tip')->clearCachedDefinitions();
}