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	alfonx	420	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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