skrueger/swing/CancellableDialogAdapter.java

package skrueger.swing;

import java.awt.Window;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JDialog;
import javax.swing.JOptionPane;

public abstract class CancellableDialogAdapter extends JDialog implements
                CancellableDialog {

        protected boolean cancelled = false;

        @Override
        public boolean isCancelled() {
                return cancelled;
        }

        public CancellableDialogAdapter(final Window parentWindow) {
                super(parentWindow);
                initDialog();
        }

        private void initDialog() {

                setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);

                addWindowListener(new WindowAdapter() {

                        @Override
                        public void windowClosing(WindowEvent e) {
                                setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
                                
                                int showConfirmDialog = JOptionPane.showConfirmDialog(
                                                CancellableDialogAdapter.this, "Speichern?",
                                                "Änderungen speichern?", JOptionPane.YES_NO_CANCEL_OPTION); // i8n

                                if (showConfirmDialog == JOptionPane.YES_OPTION)
                                        okClose();
                                else if (showConfirmDialog == JOptionPane.NO_OPTION)
                                        cancelClose();
                        }

                });
        }

        public CancellableDialogAdapter(final Window parentWindow, String title) {
                super(parentWindow, title);
                initDialog();
        }

        @Override
        public void cancelClose() {
                cancel();
                dispose();
        }

        @Override
        public abstract void cancel();

        /**
         * This method is called when the dialog is closed and not canceled. Can be
         * overwritten to do anything when the dialog has been accepted. For example
         * cheking for any {@link Checkable} components. Returns false, if the ok
         * has been vetoed.
         */
        public abstract boolean okClose();

}
1	package skrueger.swing;
2
3	import java.awt.Window;
4	import java.awt.event.WindowAdapter;
5	import java.awt.event.WindowEvent;
6
7	import javax.swing.JDialog;
8	import javax.swing.JOptionPane;
9
10	public abstract class CancellableDialogAdapter extends JDialog implements
11	CancellableDialog {
12
13	protected boolean cancelled = false;
14
15	@Override
16	public boolean isCancelled() {
17	return cancelled;
18	}
19
20	public CancellableDialogAdapter(final Window parentWindow) {
21	super(parentWindow);
22	initDialog();
23	}
24
25	private void initDialog() {
26
27	setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
28
29	addWindowListener(new WindowAdapter() {
30
31	@Override
32	public void windowClosing(WindowEvent e) {
33	setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
34
35	int showConfirmDialog = JOptionPane.showConfirmDialog(
36	CancellableDialogAdapter.this, "Speichern?",
37	"Änderungen speichern?", JOptionPane.YES_NO_CANCEL_OPTION); // i8n
38
39	if (showConfirmDialog == JOptionPane.YES_OPTION)
40	okClose();
41	else if (showConfirmDialog == JOptionPane.NO_OPTION)
42	cancelClose();
43	}
44
45	});
46	}
47
48	public CancellableDialogAdapter(final Window parentWindow, String title) {
49	super(parentWindow, title);
50	initDialog();
51	}
52
53	@Override
54	public void cancelClose() {
55	cancel();
56	dispose();
57	}
58
59	@Override
60	public abstract void cancel();
61
62	/**
63	* This method is called when the dialog is closed and not canceled. Can be
64	* overwritten to do anything when the dialog has been accepted. For example
65	* cheking for any {@link Checkable} components. Returns false, if the ok
66	* has been vetoed.
67	*/
68	public abstract boolean okClose();
69
70	}
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