private void edit() {
    EditMigrationEntryDialog dialog = new EditMigrationEntryDialog(myProject);
    int selected = myTable.getSelectedRow();
    if (selected < 0) {
      return;
    }
    MigrationMapEntry entry = myMigrationMap.getEntryAt(selected);
    dialog.setEntry(entry);
    if (!dialog.showAndGet()) {
      return;
    }
    dialog.updateEntry(entry);
    AbstractTableModel model = (AbstractTableModel)myTable.getModel();
    model.fireTableRowsUpdated(selected, selected);
  }
private void edit()