{
this.basePanel = basePanel;
validChecker = new IntegrityCheck() ; // errors, warnings, hints
// JList --------------------------------------------------------------
warningData = new HintListModel() ;
warnings = new JList( warningData ) ;
warnings.setCellRenderer( new IntegrityListRenderer() );
warnings.addListSelectionListener(this);
JScrollPane paneScrollPane = new JScrollPane( warnings ) ;