How to use `doClick()` on JOptionPane?

I have a custom JOptionPane with two buttons as follows:

AgreementPanel panel = new AgreementPanel(this); // JPanel with some JLabels and JTextFields
JOptionPane pane = new JOptionPane(panel, JOptionPane.NO_OPTION);
Object[] options = {"Accept", "Decline"};
option = pane.showOptionDialog(null, panel, "Agreement", JOptionPane.DEFAULT_OPTION, JOptionPane.PLAIN_MESSAGE, null, options, panel.txtMessage);开发者_运维知识库

How can I use doClick() on Accept button? I need it somewhere in my program

---

Instead of passing options as strings, you can directly pass jbuttons to the showOptionDialog() method. Internally it checks if its a button, then it directly adds it to the button area.

So do something like this:

JButton btnAccept = new JButton("Accept");
 Object[] options = {btnAccept , "Decline"};
btn.doClick();

Note that the BasicOptionPaneUI will take care of checking and adding the button rightly.

UPDATE: You can set the actionListener manually is the component is directly passed:

ActionListener al = ((BasicOptionPaneUI)optionPane.getUI()).new ButtonActionListener(1);
        btnAccept.setActionListener(al);

---

I found the solution here: Closing a dialog created by JOptionPane.showOptionDialog() :)