protected function getItems($a_content_obj)
{
$items = ilObjCourseGrouping::_getVisibleGroupings($a_content_obj->getId());
$data = array();
foreach ($items as $grouping_id) {
$tmp_obj = new ilObjCourseGrouping($grouping_id);
$data[$grouping_id]['id'] = $grouping_id;
$data[$grouping_id]['title'] = $tmp_obj->getTitle();
$data[$grouping_id]['unique'] = $this->lng->txt($tmp_obj->getUniqueField());
// Description
if (strlen($tmp_obj->getDescription())) {
$data[$grouping_id]['description'] = $tmp_obj->getDescription();
}
// Assigned items
$assigned_items = $tmp_obj->getAssignedItems();
foreach ($assigned_items as $condition) {
$data[$grouping_id]['assigned'][] = ilObject::_lookupTitle($condition['target_obj_id']);
}
}
$this->setData($data);
}
function initForm($a_create)
{
include_once "Services/Form/classes/class.ilPropertyFormGUI.php";
$form = new ilPropertyFormGUI();
$form->setFormAction($this->ctrl->getFormAction($this));
$title = new ilTextInputGUI($this->lng->txt('title'), 'title');
$title->setRequired(true);
$form->addItem($title);
$desc = new ilTextAreaInputGUI($this->lng->txt('description'), 'description');
$form->addItem($desc);
$options = array('login' => 'login', 'email' => 'email', 'matriculation' => 'matriculation');
foreach ($options as $value => $caption) {
$options[$value] = $this->lng->txt($caption);
}
$uniq = new ilSelectInputGUI($this->lng->txt('unambiguousness'), 'unique');
$uniq->setRequired(true);
$uniq->setOptions($options);
$form->addItem($uniq);
if ($a_create) {
$form->setTitle($this->lng->txt('crs_add_grouping'));
$form->addCommandButton('add', $this->lng->txt('btn_add'));
} else {
$grouping = new ilObjCourseGrouping($_REQUEST['obj_id']);
$title->setValue($grouping->getTitle());
$desc->setValue($grouping->getDescription());
$uniq->setValue($grouping->getUniqueField());
$ass = new ilCustomInputGUI($this->lng->txt('groupings_assigned_obj_' . $this->getContentType()));
$form->addItem($ass);
// assignments
$items = array();
foreach ($grouping->getAssignedItems() as $cond_data) {
$items[] = ilObject::_lookupTitle($cond_data['target_obj_id']);
}
if (count($items)) {
$ass->setHtml(implode("<br />", $items));
} else {
$ass->setHtml($this->lng->txt('crs_grp_no_courses_assigned'));
}
$form->setTitle($this->lng->txt('edit_grouping'));
$form->addCommandButton('update', $this->lng->txt('save'));
$form->addCommandButton('selectCourse', $this->lng->txt('grouping_change_assignment'));
}
$form->addCommandButton('listGroupings', $this->lng->txt('cancel'));
return $form;
}
/**
*
* Returns a list of all groupings for which the current user hast write permission on all assigned objects. Or groupings
* the given object id is assigned to.
*/
function _getVisibleGroupings($a_obj_id)
{
global $ilObjDataCache, $ilAccess, $ilDB;
$container_type = $ilObjDataCache->lookupType($a_obj_id) == 'grp' ? 'grp' : 'crs';
// First get all groupings
$query = "SELECT * FROM object_data WHERE type = 'crsg' ORDER BY title";
$res = $ilDB->query($query);
$groupings = array();
while ($row = $res->fetchRow(DB_FETCHMODE_OBJECT)) {
$groupings[] = $row->obj_id;
}
//check access
foreach ($groupings as $grouping_id) {
$tmp_grouping_obj = new ilObjCourseGrouping($grouping_id);
// Check container type
if ($tmp_grouping_obj->getContainerType() != $container_type) {
continue;
}
// Check if container is current container
if ($tmp_grouping_obj->getContainerObjId() == $a_obj_id) {
$visible_groupings[] = $grouping_id;
continue;
}
// check if items are assigned
if (count($items = $tmp_grouping_obj->getAssignedItems())) {
foreach ($items as $condition_data) {
if ($ilAccess->checkAccess('write', '', $condition_data['target_ref_id'])) {
$visible_groupings[] = $grouping_id;
break;
}
}
}
}
return $visible_groupings ? $visible_groupings : array();
}
