f.pack();
f.setVisible(true);
// set root
Object value = getSelectedValue();
if(value instanceof IOntology){
final IOntology ont = (IOntology) value;
explorer.setBusy(true);
(new Thread(new Runnable(){
public void run(){
/*
try{
ont.load();
}catch(IOntologyException ex){
ex.printStackTrace();
}*/
explorer.setRoot(ont.getRootClasses());
explorer.setBusy(false);
}
})).start();
}else if(value instanceof Terminology){
final Terminology term = (Terminology) value;