1/*
2 * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package com.sun.swingset3.demos.window;
24
25import java.awt.*;
26import java.awt.event.ActionEvent;
27import java.awt.event.ActionListener;
28import javax.swing.*;
29import javax.swing.border.EmptyBorder;
30import javax.swing.border.LineBorder;
31
32import com.sun.swingset3.DemoProperties;
33import com.sun.swingset3.demos.DemoUtilities;
34import java.lang.reflect.InvocationTargetException;
35
36/**
37 * @author aim
38 */
39@DemoProperties(
40        value = "JWindow Demo",
41        category = "Toplevel Containers",
42        description = "Demonstrates JWindow, a toplevel container with no system border.",
43        sourceFiles = {
44            "com/sun/swingset3/demos/window/WindowDemo.java",
45            "com/sun/swingset3/demos/DemoUtilities.java",
46            "com/sun/swingset3/demos/window/resources/WindowDemo.html",
47            "com/sun/swingset3/demos/window/resources/images/WindowDemo.gif"
48        }
49)
50public final class WindowDemo extends JPanel {
51
52    public static final String SHOW_J_WINDOW = "Show JWindow...";
53    public static final String I_HAVE_NO_SYSTEM_BORDER = "I have no system border.";
54
55    private JWindow window;
56
57    private JComponent windowSpaceholder;
58
59    public WindowDemo() {
60        initComponents();
61    }
62
63    protected void initComponents() {
64        window = createWindow();
65
66        setLayout(new BorderLayout());
67        add(createControlPanel(), BorderLayout.WEST);
68        windowSpaceholder = createWindowSpaceholder(window);
69        add(windowSpaceholder, BorderLayout.CENTER);
70    }
71
72    protected JComponent createControlPanel() {
73        Box controlPanel = Box.createVerticalBox();
74        controlPanel.setBorder(new EmptyBorder(8, 8, 8, 8));
75
76        // Create button to control visibility of frame
77        JButton showButton = new JButton(SHOW_J_WINDOW);
78        showButton.addActionListener(new ShowActionListener());
79        controlPanel.add(showButton);
80
81        return controlPanel;
82    }
83
84    private static JComponent createWindowSpaceholder(JWindow window) {
85        JPanel windowPlaceholder = new JPanel();
86        Dimension prefSize = window.getPreferredSize();
87        prefSize.width += 12;
88        prefSize.height += 12;
89        windowPlaceholder.setPreferredSize(prefSize);
90
91        return windowPlaceholder;
92    }
93
94    private static JWindow createWindow() {
95
96        //<snip>Create window
97        JWindow window = new JWindow();
98        //</snip>
99
100        //<snip>Add a border to the window
101        window.getRootPane().setBorder(new LineBorder(Color.BLACK, 1));
102        //</snip>
103
104        //<snip>Add window's content
105        JLabel label = new JLabel(I_HAVE_NO_SYSTEM_BORDER);
106        label.setHorizontalAlignment(JLabel.CENTER);
107        label.setPreferredSize(new Dimension(250, 200));
108        window.add(label);
109        //</snip>
110
111        //<snip>Initialize window's size
112        // which will shrink-to-fit its contents
113        window.pack();
114        //</snip>
115
116        return window;
117    }
118
119    public void start() {
120        DemoUtilities.setToplevelLocation(window, windowSpaceholder, SwingConstants.CENTER);
121        showWindow();
122    }
123
124    public void stop() {
125        //<snip>Hide window
126        window.setVisible(false);
127        //</snip>
128    }
129
130    public void showWindow() {
131        //<snip>Show window
132        // if window already visible, then bring to the front
133        if (window.isShowing()) {
134            window.toFront();
135        } else {
136            window.setVisible(true);
137        }
138        //</snip>
139    }
140
141    private class ShowActionListener implements ActionListener {
142
143        @Override
144        public void actionPerformed(ActionEvent actionEvent) {
145            showWindow();
146        }
147    }
148
149    public static void main(String args[]) throws InterruptedException, InvocationTargetException {
150        EventQueue.invokeAndWait(() -> {
151            JFrame frame = new JFrame();
152            WindowDemo demo = new WindowDemo();
153            frame.add(demo);
154            frame.pack();
155            frame.setVisible(true);
156            demo.start();
157        });
158    }
159}
160