*/
public ConnectionStatistic(final JFrame parent, final PluginParameter param) {
super(parent, "Connection statistic", true);
// create components
this.param = param;
this.connector = new Connector(param, parent);
this.connections = new ArrayList<UIEventCreateNewConnection>();
this.view = new JPanel(new GridBagLayout());
this.cancelButton = new JButton("Cancel");
// add listeners
this.cancelButton.addActionListener(new ActionListener() {