gbc.insets = new Insets(0, 5, 5, 5);
final JScrollPane comp = new JScrollPane
(availableFields, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
tablesPane.add(comp, gbc);
final JButton columnsAdd = new BorderlessButton(new AddSelectionAction(availableFields.getSelectionModel()));
final JLabel columnsLabel = new JLabel(Messages.getString("EditGroupDetailsDialog.SelectedItems"));
final ListSelectionModel columnsSelectionModel = groupFields.getSelectionModel();
final JButton columnsSortUp = new BorderlessButton(new SortBulkUpAction(groupFieldsModel, columnsSelectionModel));
final JButton columnsSortDown = new BorderlessButton(new SortBulkDownAction(groupFieldsModel, columnsSelectionModel));
final JButton columnsRemove = new BorderlessButton(new RemoveBulkAction(groupFieldsModel, columnsSelectionModel));
gbc = new GridBagConstraints();
gbc.anchor = GridBagConstraints.WEST;
gbc.gridx = 2;
gbc.gridy = 2;