/**
* Returns the trail -- the path from the root of the tree of study areas down
* to the currently selected area.
*
* # TODO (mlunzena) this has to be refactored as well
*
* @return array an array of study areas; currently each item is an
* hashmap containing the ID of each area using the key
* 'id' and the name of the study area using the key 'name'
*/
function getTrail()
{
$area = $this->selected;
$trail = array($area->getID() => $area);
while ($parent = $area->getParent()) {
$trail[$parent->getID()] = $parent;
$area = $parent;
}
$trail[StudipStudyArea::ROOT] = StudipStudyArea::getRootArea();
return array_reverse($trail, TRUE);
}
