private void handleGroupChange() {
int index;
if (fGroupCombo != null) {
index = fGroupCombo.getSelectionIndex();
} else {
index = fGroupComboPart.getSelectionIndex();
}
if (index != fGrouping) {
// Refresh tree
fGrouping = index;
fTree.getControl().setRedraw(false);
fTree.refresh(false);
fTree.expandAll();
updateCheckState();
updateButtons();
fTree.getControl().setRedraw(true);
}
}
