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option pane questions

Posted on 2004-10-12
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Last Modified: 2010-03-31
hi experts

I have two questions:

can you get an option pane with a check box in it that will affect the outcome? for example if it is checked then you save a certain part of the program and if not it saves the default..whatever..

second I need an example of an option pane that would have three buttons. yes, no, and cancel and how to know know which button was pressed and accordingly take action


thanks
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Question by:Samooramad
  • 4
5 Comments
 
LVL 37

Accepted Solution

by:
zzynx earned 400 total points
ID: 12286830
For the 2nd:

/*
 * JOptionPaneDemo.java
 *
 */

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

/**
 *
 * @author  zzynx
 */
public class JOptionPaneDemo2 extends JFrame {
   
    public JOptionPaneDemo2() {
        init();
        setSize(500, 400);
        setLocationRelativeTo(null);
    }

    private void init() {
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                System.exit(0);
            }
        });
       
        JButton button = new JButton("Go");
        button.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                buttonActionPerformed(evt);
            }
        });
       
        getContentPane().setLayout(new FlowLayout());
        getContentPane().add(button);
       
        pack();
    }
   
    private void buttonActionPerformed(java.awt.event.ActionEvent evt) {
        JOptionPane p = new JOptionPane("Are you sure you want to log out?",
            JOptionPane.QUESTION_MESSAGE, JOptionPane.YES_NO_CANCEL_OPTION);
        final JDialog d = p.createDialog(this, "Report");
        d.setLocationRelativeTo(this);
        d.setVisible(true);
        Object value = p.getValue();
        if (value == null || !(value instanceof Integer)) {
            JOptionPane.showMessageDialog(null, "You closed without answering");
        }
        else {
            int i = ((Integer)value).intValue();
            if (i == JOptionPane.DEFAULT_OPTION) {
                JOptionPane.showMessageDialog(null, "You pressed ESC");
            }
            else if (i == JOptionPane.NO_OPTION) {
                JOptionPane.showMessageDialog(null, "You choose \"No\"");
            } else if (i == JOptionPane.YES_OPTION) {
                JOptionPane.showMessageDialog(null, "You choose \"Yes\"");
            } else if (i == JOptionPane.CANCEL_OPTION) {
                JOptionPane.showMessageDialog(null, "You choose \"Cancel\"");
            }
        }
    }

    public static void main(String args[]) {
        JOptionPaneDemo2 f = new JOptionPaneDemo2();
        f.show();
    }
}
0
 
LVL 37

Expert Comment

by:zzynx
ID: 12286864
For the 1st:

    import javax.swing.*;
    import java.awt.*;

    public class DialogBox
    {
        public static void main(String[] args)
        {
            JPanel fields = new JPanel();
            JLabel label = new JLabel("Some text:");
            JCheckBox cb = new JCheckBox();
            fields.add(label);
            fields.add(cb);

            String[] options = {"Yes", "No", "My Cancel"};
            int input = JOptionPane.showOptionDialog(
                null,   // parentComponent
                fields, // message
                "Enter your input", // title
                JOptionPane.YES_NO_CANCEL_OPTION,   // optionType
                JOptionPane.QUESTION_MESSAGE,   // messageType
                null,   // icon
                options,    // options
                options[0]  // initialValue
            );

            if (input == 0) {
                System.out.println("Yes pressed. CheckBox selected = " + cb.isSelected());
            }
            else if (input == 1) {
                System.out.println("No pressed. CheckBox selected = " + cb.isSelected());
            }
            else if (input == 2) {
                System.out.println("Cancel pressed. CheckBox selected = " + cb.isSelected());
            }

            System.exit(0);
        }
    }
0
 
LVL 37

Expert Comment

by:zzynx
ID: 12286876
Next time you better ask one question per ... errrh question ;°)
0
 

Author Comment

by:Samooramad
ID: 12290049
yeah I should I guess :)

thanks for the help
0
 
LVL 37

Expert Comment

by:zzynx
ID: 12290725
Thanks
0

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