/**
* Action event listener.
*
* @param e ActionEvent - performed action event.
*/
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand() == Menu.RELATION_DELETE) {
canvas.removeConnection(connection);
} else if (e.getActionCommand() == Menu.ADDBREAKPOINT) {
connection.addBreakPoint(connection.indexOf(clickX, clickY), new Point(clickX, clickY));
// select the connection to make the new breakpoint visible
connection.setSelected(true);
} else {
connection.removeBreakPoint(clickX, clickY);
}
canvas.drawingArea.repaint();
} // actionPerformed
