boundsItem.setEnabled(someFieldSelected);
alignSubmenu.setEnabled(multipleFieldsSelected);
sizeSubmenu.setEnabled(multipleFieldsSelected);
// Database menu
tableJoinItem.setEnabled(ds.canJoinTables());
sqlQueryTextItem.setEnabled(ds.isSQLGenerated());
connectionItem.setEnabled(ds.isConnectionEditable());
// Report menu
runItem.setEnabled(ds.canRunReports());