/**
* This class implements the Singleton pattern. There is only ever
* one instance of the this class and it is accessed only via the
* ClassName::instance() method.
*
* @return object
* @access public
* @since 5/26/05
* @static
*/
public static function instance()
{
if (!isset(self::$instance)) {
self::$instance = new PortalManager();
}
return self::$instance;
}
/**
* Answer an array of slot-names in other folders in the Main category.
*
* @return array
* @access private
* @since 4/1/08
*/
private function getOtherCategorizedSlotNames()
{
$portalMgr = PortalManager::instance();
$slotNames = array();
$foldersToIgnoreFrom = array('upcoming_classes', 'current_classes', 'past_classes', 'personal');
foreach ($foldersToIgnoreFrom as $folderId) {
$folder = $portalMgr->getFolder($folderId);
if ($folder->getIdString() != $this->getIdString()) {
foreach ($folder->getSlots() as $slot) {
$slotNames[] = $slot->getShortname();
}
}
}
return $slotNames;
}
/**
* Answer the current Folder id
*
* @return string
* @access private
* @since 4/1/08
*/
private function getCurrentFolderId()
{
if (!isset($this->currentFolderId)) {
if (RequestContext::value('folder')) {
try {
$portalMgr = PortalManager::instance();
$folder = $portalMgr->getFolder(RequestContext::value('folder'));
$this->currentFolderId = $folder->getIdString();
} catch (UnknownIdException $e) {
$this->currentFolderId = 'recent_access';
}
} else {
if (UserData::instance()->getPreference('segue_portal_last_folder')) {
$harmoni = Harmoni::instance();
$this->currentFolderId = UserData::instance()->getPreference('segue_portal_last_folder');
if (!strlen(RequestContext::value('starting_number')) && UserData::instance()->getPreference('segue_portal_starting_number')) {
$harmoni->request->setRequestParam('starting_number', UserData::instance()->getPreference('segue_portal_starting_number'));
}
try {
$portalMgr = PortalManager::instance();
$folder = $portalMgr->getFolder($this->currentFolderId);
$this->currentFolderId = $folder->getIdString();
} catch (UnknownIdException $e) {
$this->currentFolderId = 'personal';
$harmoni->request->setRequestParam('starting_number', '0');
}
} else {
$this->currentFolderId = 'recent_access';
}
}
}
UserData::instance()->setPreference('segue_portal_last_folder', $this->currentFolderId);
UserData::instance()->setPreference('segue_portal_starting_number', strval(intval(RequestContext::value('starting_number'))));
return $this->currentFolderId;
}
