/**
* Read and parse collection items
* @return void
*/
protected function parseCollection()
{
$hasGroupedItems = false;
$this->collections = new ilLPCollections(ilObject::_lookupObjId($this->getNode()));
$items = ilLPCollections::_getPossibleItems($this->getNode(), $this->getCollection());
$data = array();
$done = array();
foreach ($items as $item) {
if (in_array($item, $done)) {
continue;
}
$tmp = $this->parseCollectionItem($item);
$tmp['grouped'] = array();
if ($this->getMode() == LP_MODE_COLLECTION) {
$grouped_items = ilLPCollections::lookupGroupedItems(ilObject::_lookupObjId($this->getNode()), $item);
if (count((array) $grouped_items['items']) > 1) {
foreach ($grouped_items['items'] as $gr) {
if ($gr == $item) {
continue;
}
$tmp['grouped'][] = $this->parseCollectionItem($gr);
$tmp['num_obligatory'] = $grouped_items['num_obligatory'];
$tmp['grouping_id'] = $grouped_items['grouping_id'];
$hasGroupedItems = true;
$done[] = $gr;
}
}
}
$data[] = $tmp;
}
if ($hasGroupedItems) {
$this->addCommandButton('saveObligatoryMaterials', $this->lng->txt('trac_group_materials_save'));
}
$this->setData((array) $data);
}
