});
conceptPathMenuItem.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent arg0) {
try {
ShowConceptPath sp = new ShowConceptPath(shell);
String[] concepts;
concepts = controller.getAvailablePaths();
Arrays.sort(concepts);
sp.setConcepts(concepts);
String uri = (String) sp.open();
if(uri != null){
viewer.setGraph(controller.createGraphForSpreading(uri));
updateGraph();
}
} catch (ConceptNotFoundException e) {