SheetDialog

package com.kamuara.reposync.window;

import java.awt.Dialog;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.UIManager;

public class SheetDialog
{
    private JFrame _windowFrame;

    public static void main(String[] args)
    {
        System.setProperty("apple.awt.documentModalSheet", "true");
        System.setProperty("apple.awt.brushMetalLook", "true");

        try
        {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

            new SheetDialog();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }

    public SheetDialog()
    {
        _windowFrame = new JFrame();
        _windowFrame.setResizable(false);
        _windowFrame.setBounds(100, 100, 451, 320);
        _windowFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        _windowFrame.getContentPane().setLayout(null);
        _windowFrame.setVisible(true);

        JButton showDialogButton = new JButton("Show Dialog");
        showDialogButton.addActionListener(new ActionListener()
        {
            @Override
            public void actionPerformed(ActionEvent e)
            {
                showSheetDialog(_windowFrame, "Test", "This should be a sheet dialog", "Oke");
            }
        });
        showDialogButton.setBounds(328, 263, 117, 29);
        _windowFrame.getContentPane().add(showDialogButton);
    }

    public void showSheetDialog(JFrame owner, String title, String message, String button)
    {
        final JDialog messageDialog = new JDialog(owner, title, Dialog.ModalityType.DOCUMENT_MODAL);
        messageDialog.setBounds(30, 0, owner.getWidth() - 60, 130);

        // TODO: only when os is osx
        messageDialog.getRootPane().putClientProperty("apple.awt.documentModalSheet", "true");
        messageDialog.setLayout(null);

        int offsetX = 25;

        JLabel titleLabel = new JLabel(title);
        titleLabel.setFont(new Font("Lucida Grande", Font.BOLD, 13));
        titleLabel.setBounds(offsetX, 10, 100, 25);
        messageDialog.getContentPane().add(titleLabel);

        JLabel messageLabel = new JLabel(message);
        messageLabel.setVerticalTextPosition(JLabel.TOP);
        messageLabel.setHorizontalTextPosition(JLabel.LEFT);
        messageLabel.setFont(new Font("Lucida Grande", Font.PLAIN, 11));
        messageLabel.setBounds(offsetX, 10, messageDialog.getWidth()-10, messageDialog.getHeight()-60);
        messageDialog.getContentPane().add(messageLabel);

        JButton okButton = new JButton(button);
        okButton.setBounds(messageDialog.getWidth() - 105, messageDialog.getHeight() - 35, 100, 25);
        okButton.addActionListener(new ActionListener()
        {
            @Override
            public void actionPerformed(ActionEvent arg0)
            {
                messageDialog.dispose();
            }
        });
        messageDialog.getContentPane().add(okButton);

        messageDialog.setVisible(true);
    }

}