private JPanel createPrimaryDataSourcePanel()
{
final JPanel innerPrimaryDataSourcePanel = new JPanel(new BorderLayout());
innerPrimaryDataSourcePanel.add(new SortHeaderPanel(primaryDataSourcePropertiesTableModel), BorderLayout.NORTH);
final JComboBox comboBox = new SmartComboBox(editModel.getPrimaryDataSourcesModel());
comboBox.setRenderer(new ExpressionListCellRenderer());
innerPrimaryDataSourcePanel.add(comboBox, BorderLayout.CENTER);
final JPanel primaryDataSourcePanel = new JPanel(new BorderLayout());
primaryDataSourcePanel.add(innerPrimaryDataSourcePanel, BorderLayout.NORTH);
primaryDataSourcePanel.add(configureExpressionTable(primaryDataSourceTable, primaryDataSourcePropertiesTableModel),