JLayeredPaneでアプレットにダイアログもどき

昨日のJLayeredPaneのサンプルのダイアログもどきをもう少しそれらしくしてみた。

/*

 * Created on 2006/01/27

 *

 */

package test;
import java.awt.*;

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

 * @author hal

 *

 */

public class LayeredPaneApplet extends JApplet {

    private JLayeredPane layeredPane;

    private JButton pushMe;

    private AppletDialog appletDialog;

    

    private final int dialogWidth = 200;

    private final int dialogHeight = 200;
    public void init() {

        appletDialog = new AppletDialog(dialogWidth, dialogHeight);

        layeredPane = getLayeredPane();

        layeredPane.add(appletDialog, JLayeredPane.MODAL_LAYER);
        pushMe = new JButton("Push me!");

        pushMe.addMouseListener(new MouseAdapter() {

            public void mouseClicked(MouseEvent mouse) {

                int x = mouse.getX();

                int y = mouse.getY();

                x -= (dialogWidth / 2);

                y -= (dialogWidth / 2);

                appletDialog.setMessageContent("Hi!");

                appletDialog.showDialog(x, y);

            }

        });

        getContentPane().add(pushMe);

        setSize(400, 300);

    }

    

}
class AppletDialog extends JPanel {

    private JTextArea messageArea;

    private JButton okButton;

    private int width;

    private int height;

    

    public AppletDialog(int width, int height) {

        super(new BorderLayout());
        messageArea = new JTextArea();

        messageArea.setEditable(false);

        messageArea.setLineWrap(true);

        messageArea.setMargin(new Insets(10, 10, 10, 10));

        messageArea.setBackground(getBackground());

        add(messageArea, BorderLayout.CENTER);
        okButton = new JButton("OK");

        okButton.setVisible(false);

        okButton.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent action) {

                setVisible(false);

            }

        });

        JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));

        buttonPanel.add(okButton);

        add(buttonPanel, BorderLayout.SOUTH);
        setOpaque(true);

        setBorder(BorderFactory.createRaisedBevelBorder());

        setVisible(false);

        this.width = width;

        this.height = height;

    }

    

    void setMessageContent(String message) {

        messageArea.setText(message);

    }

    

    public void setVisible(boolean visible) {

        messageArea.setVisible(visible);

        okButton.setVisible(visible);

        super.setVisible(visible);

    }

    

    public void showDialog(int x, int y) {

        Dimension d = getPreferredSize();

        messageArea.setText(d.toString());

        setBounds(x, y, width, height);

        setVisible(true);

    }

    

}