/**
* Action is enabled when only items of the same type are selected.
*
* @see org.eclipse.ui.ISelectionListener#selectionChanged(org.eclipse.ui.IWorkbenchPart,
* org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IWorkbenchPart part, ISelection input) {
if (input instanceof IStructuredSelection) {
IStructuredSelection selection = (IStructuredSelection) input;
if (selection.size() < 2) {
setEnabled(false);
return;
}
String kapitel = null;
for (Iterator iter = selection.iterator(); iter.hasNext(); ) {
Object o = iter.next();
if (o instanceof BausteinUmsetzung) {
BausteinUmsetzung bst = (BausteinUmsetzung) o;
if (kapitel == null) {
kapitel = bst.getKapitel();
} else {
if (!bst.getKapitel().equals(kapitel)) {
setEnabled(false);
return;
}
}
} else {
setEnabled(false);
return;
}
}
if (checkRights()) {
setEnabled(true);
}
return;
}
// no structured selection:
setEnabled(false);
}
