skrueger/swing/AtlasDialog.java

package skrueger.swing;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JRootPane;
import javax.swing.KeyStroke;

import net.miginfocom.swing.MigLayout;
import schmitzm.swing.SwingUtil;

/**
 * A basic super class for atlas dialogs. It listens to the ESC key and calls
 * the {@link #close()} method. The layout manager is initialized with
 * {@link MigLayout}.
 */
public class AtlasDialog extends JDialog {

        public AtlasDialog(final Component owner, String title) {
                super(SwingUtil.getParentWindow(owner), title);
                initDialog();
        }

        /** A flag checking that we just get disposed once **/
        protected boolean isDisposed = false;

        public AtlasDialog(final Component parentWindowComponent) {
                this(parentWindowComponent, null);
        }

        private void initDialog() {

                setLayout(new MigLayout());

                setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);

                addWindowListener(new WindowAdapter() {

                        @Override
                        public void windowClosing(WindowEvent e) {
                                close();
                        }

                });
        }

        /**
         * Allows to close the {@link JDialog} from "outside". {@link AtlasDialog}
         * is not implementing {@link Cancellable}, so the dialog is just disposed.
         */
        public boolean close() {
                dispose();
                return true;
        }

        /**
         * Since the registerKeyboardAction() method is part of the JComponent class
         * definition, you must define the Escape keystroke and register the
         * keyboard action with a JComponent, not with a JDialog. The JRootPane for
         * the JDialog serves as an excellent choice to associate the registration,
         * as this will always be visible. If you override the protected
         * createRootPane() method of JDialog, you can return your custom JRootPane
         * with the keystroke enabled:
         */
        @Override
        protected JRootPane createRootPane() {
                final KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
                final JRootPane rootPane = new JRootPane();
                rootPane.registerKeyboardAction(new ActionListener() {

                        public void actionPerformed(final ActionEvent e) {
                                close();
                        }

                }, stroke, JComponent.WHEN_IN_FOCUSED_WINDOW);

                return rootPane;
        }

        @Override
        public void dispose() {
                super.dispose();
                isDisposed = true;
        }
}
1	alfonx	461	package skrueger.swing;
2
3			import java.awt.Component;
4			import java.awt.event.ActionEvent;
5			import java.awt.event.ActionListener;
6			import java.awt.event.KeyEvent;
7			import java.awt.event.WindowAdapter;
8			import java.awt.event.WindowEvent;
9
10			import javax.swing.JComponent;
11			import javax.swing.JDialog;
12			import javax.swing.JRootPane;
13			import javax.swing.KeyStroke;
14
15	alfonx	863	import net.miginfocom.swing.MigLayout;
16	alfonx	461	import schmitzm.swing.SwingUtil;
17
18	alfonx	863	/**
19			* A basic super class for atlas dialogs. It listens to the ESC key and calls
20			* the {@link #close()} method. The layout manager is initialized with
21			* {@link MigLayout}.
22			*/
23	alfonx	461	public class AtlasDialog extends JDialog {
24
25	alfonx	617	public AtlasDialog(final Component owner, String title) {
26			super(SwingUtil.getParentWindow(owner), title);
27	alfonx	461	initDialog();
28			}
29	alfonx	863
30	alfonx	618	/ A flag checking that we just get disposed once /
31			protected boolean isDisposed = false;
32	alfonx	461
33	alfonx	490	public AtlasDialog(final Component parentWindowComponent) {
34			this(parentWindowComponent, null);
35	alfonx	461	}
36
37			private void initDialog() {
38
39	alfonx	863	setLayout(new MigLayout());
40
41	alfonx	461	setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
42
43			addWindowListener(new WindowAdapter() {
44
45			@Override
46			public void windowClosing(WindowEvent e) {
47			close();
48			}
49
50			});
51			}
52
53			/**
54			* Allows to close the {@link JDialog} from "outside". {@link AtlasDialog}
55			* is not implementing {@link Cancellable}, so the dialog is just disposed.
56			*/
57			public boolean close() {
58			dispose();
59			return true;
60			}
61
62			/**
63			* Since the registerKeyboardAction() method is part of the JComponent class
64			* definition, you must define the Escape keystroke and register the
65			* keyboard action with a JComponent, not with a JDialog. The JRootPane for
66			* the JDialog serves as an excellent choice to associate the registration,
67			* as this will always be visible. If you override the protected
68			* createRootPane() method of JDialog, you can return your custom JRootPane
69			* with the keystroke enabled:
70			*/
71			@Override
72			protected JRootPane createRootPane() {
73			final KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
74			final JRootPane rootPane = new JRootPane();
75			rootPane.registerKeyboardAction(new ActionListener() {
76
77			public void actionPerformed(final ActionEvent e) {
78			close();
79			}
80
81			}, stroke, JComponent.WHEN_IN_FOCUSED_WINDOW);
82
83			return rootPane;
84			}
85	alfonx	863
86	alfonx	618	@Override
87			public void dispose() {
88			super.dispose();
89			isDisposed = true;
90			}
91	alfonx	461	}
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