private boolean applyFilter(FieldFilter fieldFilter) {
if (currentModel == null) return false;
boolean result = false;
ArrayList filter = (ArrayList) currentModel.getFilter().clone();
if (fieldFilter != null) filter.add(fieldFilter);
CustomFilterDialog dialog =
new CustomFilterDialog(
frame, filter, currentModel.getTags(), dataDictionary.getDataDictionary());
dialog.setVisible(true);
filter = dialog.getFilter();
if (filter != null) {
currentModel.filter(filter);
result = true;
} else {
menuBar.undo();
result = false;
}
dialog.dispose();
return result;
}
