function course_init in Course 6

Same name and namespace in other branches

1. 8.3 course.module \course_init()
2. 8.2 course.module \course_init()
3. 7.2 course.module \course_init()
4. 7 course.module \course_init()
5. 3.x course.module \course_init()

Implements hook_init().

File

./course.module, line 2083

course.module Core functionality for Courses.

Code

function course_init() {
  course_context();
  if (!($courseNode = course_get_context())) {

    // Set course context for all modules that define course context handlers.
    // @see hook_course_handlers().
    $modules = course_get_handlers('context');
    foreach ($modules as $module => $handlers) {
      if (is_array($handlers)) {
        foreach ($handlers as $handler) {
          $callback = $handler['callback'];

          // Calculate and include the file for each callback, if specified.
          if (isset($handler['file'])) {
            $file_path = isset($handler['file path']) ? $handler['file path'] : drupal_get_path('module', $module);
            $include_file = $file_path . '/' . $handler['file'];
            include_once $include_file;
          }

          // We expect query parameters suitable for course_determine_context().
          if (function_exists($callback)) {
            $params = $callback();
            if (is_array($params) && isset($params['object_type']) && isset($params['instance'])) {
              if ($courseNode = course_determine_context($module, $params['object_type'], $params['instance'])) {
                course_set_context($courseNode);
              }
            }
          }
        }
      }
    }
  }
  if (class_exists('Course')) {

    // Check that Course exists for a special use case where Autoload hasn't yet
    // cached the Course class.
    $course = course_get_course($courseNode);
    if ($course && ($active = $course
      ->getActive())) {
      if ($active
        ->hasPolling()) {
        drupal_add_js(array(
          'courseAjaxNavPath' => url('node/' . $courseNode->nid . '/course-object/' . $course
            ->getActive()
            ->getId() . '/ajax/nav'),
        ), 'setting');
      }
    }
  }
}