function course_outline_overview_form_submit in Course 6

Same name and namespace in other branches

1. 7.2 includes/course.outline.inc \course_outline_overview_form_submit()
2. 7 includes/course.outline.inc \course_outline_overview_form_submit()

Submit handler.

1 string reference to 'course_outline_overview_form_submit'

course_outline_overview_form in includes/course.outline.inc

Form constructor for course outline form.

File

includes/course.outline.inc, line 348

course_outline.inc

Code

function course_outline_overview_form_submit(&$form, &$form_state) {
  $node = node_load($form['nid']['#value']);

  // Get form state values for object elements on the course outline overview:
  // - An associative array of course objects, keyed by ID. The ID for already
  //   saved objects is {course_outline}.coid, but for AHAH created objects the
  //   key is a generated unique ID until save.
  //   - coid: The key loaded from the database. If empty, the object is new.
  //   - module: The implementing module name (course_quiz etc).
  //   - object_type: The course object key as defined by
  //     hook_course_handlers().
  $objects = $form_state['values']['course_outline']['objects'];

  // Sort by weight so we can renumber.
  uasort($objects, '_course_outline_overview_form_cmp_function');
  $i = -50;
  foreach ($objects as $object_key => $object) {

    // Get each course object settings saved form values, which are not on the
    // outline overview form.
    if (!($courseObject = course_get_course_object_by_id($object_key))) {

      // For non-JS, no settings have been saved. We have to construct a new
      // course object.
      $courseObject = course_get_course_object($object);
    }
    $options = $courseObject
      ->getOptions();

    // Renumber weights to the way draggable table would do it in case of no JS.
    $courseObject
      ->setOption('weight', $i++);

    // We only save overview objects with a selected component, whether loaded
    // from the database or AHAH created.
    if (isset($object['object_type'])) {

      // Delete database loaded objects that are on the chopping block.
      $is_loaded = $object['coid'];
      if ($options['delete'] && $is_loaded) {
        if ($options['delete_instance']) {

          // Also delete related object instance(s) if specified.
          $courseObject
            ->delete();
        }
        course_outline_delete_object($object);
      }
      elseif (!$options['delete']) {

        // If we get this far, save the object.
        $courseObject
          ->save();
      }
    }
  }

  // Clear the editing session.
  unset($_SESSION['course'][$node->nid]['editing']);
  drupal_set_message('Updated course.');

  // @todo use form #redirect instead of drupal_goto()?
  drupal_goto("node/{$node->nid}/course-outline");
}