1/*
2 * Copyright (c) 2002, 2014, 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package javax.swing.plaf.synth;
27
28import java.awt.*;
29import java.awt.event.*;
30import javax.swing.*;
31import javax.swing.plaf.*;
32import javax.swing.plaf.basic.BasicDesktopIconUI;
33import java.beans.*;
34
35
36/**
37 * Provides the Synth L&F UI delegate for a minimized internal frame on a desktop.
38 *
39 * @author Joshua Outwater
40 * @since 1.7
41 */
42public class SynthDesktopIconUI extends BasicDesktopIconUI
43                                implements SynthUI, PropertyChangeListener {
44    private SynthStyle style;
45    private Handler handler = new Handler();
46
47    /**
48     * Creates a new UI object for the given component.
49     *
50     * @param c component to create UI object for
51     * @return the UI object
52     */
53    public static ComponentUI createUI(JComponent c)    {
54        return new SynthDesktopIconUI();
55    }
56
57    /**
58     * {@inheritDoc}
59     */
60    @Override
61    protected void installComponents() {
62        if (UIManager.getBoolean("InternalFrame.useTaskBar")) {
63            @SuppressWarnings("serial") // anonymous class
64            JToggleButton tmp = new JToggleButton(frame.getTitle(), frame.getFrameIcon()) {
65                @Override public String getToolTipText() {
66                    return getText();
67                }
68
69                @Override public JPopupMenu getComponentPopupMenu() {
70                    return frame.getComponentPopupMenu();
71                }
72            };
73            iconPane = tmp;
74            ToolTipManager.sharedInstance().registerComponent(iconPane);
75            iconPane.setFont(desktopIcon.getFont());
76            iconPane.setBackground(desktopIcon.getBackground());
77            iconPane.setForeground(desktopIcon.getForeground());
78        } else {
79            iconPane = new SynthInternalFrameTitlePane(frame);
80            iconPane.setName("InternalFrame.northPane");
81        }
82        desktopIcon.setLayout(new BorderLayout());
83        desktopIcon.add(iconPane, BorderLayout.CENTER);
84    }
85
86    /**
87     * {@inheritDoc}
88     */
89    @Override
90    protected void installListeners() {
91        super.installListeners();
92        desktopIcon.addPropertyChangeListener(this);
93
94        if (iconPane instanceof JToggleButton) {
95            frame.addPropertyChangeListener(this);
96            ((JToggleButton)iconPane).addActionListener(handler);
97        }
98    }
99
100    /**
101     * {@inheritDoc}
102     */
103    @Override
104    protected void uninstallListeners() {
105        if (iconPane instanceof JToggleButton) {
106            ((JToggleButton)iconPane).removeActionListener(handler);
107            frame.removePropertyChangeListener(this);
108        }
109        desktopIcon.removePropertyChangeListener(this);
110        super.uninstallListeners();
111    }
112
113    /**
114     * {@inheritDoc}
115     */
116    @Override
117    protected void installDefaults() {
118        updateStyle(desktopIcon);
119    }
120
121    private void updateStyle(JComponent c) {
122        SynthContext context = getContext(c, ENABLED);
123        style = SynthLookAndFeel.updateStyle(context, this);
124    }
125
126    /**
127     * {@inheritDoc}
128     */
129    @Override
130    protected void uninstallDefaults() {
131        SynthContext context = getContext(desktopIcon, ENABLED);
132        style.uninstallDefaults(context);
133        style = null;
134    }
135
136    /**
137     * {@inheritDoc}
138     */
139    @Override
140    public SynthContext getContext(JComponent c) {
141        return getContext(c, getComponentState(c));
142    }
143
144    private SynthContext getContext(JComponent c, int state) {
145        return SynthContext.getContext(c, style, state);
146    }
147
148    private int getComponentState(JComponent c) {
149        return SynthLookAndFeel.getComponentState(c);
150    }
151
152    /**
153     * Notifies this UI delegate to repaint the specified component.
154     * This method paints the component background, then calls
155     * the {@link #paint(SynthContext,Graphics)} method.
156     *
157     * <p>In general, this method does not need to be overridden by subclasses.
158     * All Look and Feel rendering code should reside in the {@code paint} method.
159     *
160     * @param g the {@code Graphics} object used for painting
161     * @param c the component being painted
162     * @see #paint(SynthContext,Graphics)
163     */
164    @Override
165    public void update(Graphics g, JComponent c) {
166        SynthContext context = getContext(c);
167
168        SynthLookAndFeel.update(context, g);
169        context.getPainter().paintDesktopIconBackground(context, g, 0, 0,
170                                                  c.getWidth(), c.getHeight());
171        paint(context, g);
172    }
173
174    /**
175     * Paints the specified component according to the Look and Feel.
176     * <p>This method is not used by Synth Look and Feel.
177     * Painting is handled by the {@link #paint(SynthContext,Graphics)} method.
178     *
179     * @param g the {@code Graphics} object used for painting
180     * @param c the component being painted
181     * @see #paint(SynthContext,Graphics)
182     */
183    @Override
184    public void paint(Graphics g, JComponent c) {
185        SynthContext context = getContext(c);
186
187        paint(context, g);
188    }
189
190    /**
191     * Paints the specified component. This implementation does nothing.
192     *
193     * @param context context for the component being painted
194     * @param g the {@code Graphics} object used for painting
195     * @see #update(Graphics,JComponent)
196     */
197    protected void paint(SynthContext context, Graphics g) {
198    }
199
200    /**
201     * {@inheritDoc}
202     */
203    @Override
204    public void paintBorder(SynthContext context, Graphics g, int x,
205                            int y, int w, int h) {
206        context.getPainter().paintDesktopIconBorder(context, g, x, y, w, h);
207    }
208
209    public void propertyChange(PropertyChangeEvent evt) {
210        if (evt.getSource() instanceof JInternalFrame.JDesktopIcon) {
211            if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
212                updateStyle((JInternalFrame.JDesktopIcon)evt.getSource());
213            }
214        } else if (evt.getSource() instanceof JInternalFrame) {
215            JInternalFrame frame = (JInternalFrame)evt.getSource();
216            if (iconPane instanceof JToggleButton) {
217                JToggleButton button = (JToggleButton)iconPane;
218                String prop = evt.getPropertyName();
219                if (prop == "title") {
220                    button.setText((String)evt.getNewValue());
221                } else if (prop == "frameIcon") {
222                    button.setIcon((Icon)evt.getNewValue());
223                } else if (prop == JInternalFrame.IS_ICON_PROPERTY ||
224                           prop == JInternalFrame.IS_SELECTED_PROPERTY) {
225                    button.setSelected(!frame.isIcon() && frame.isSelected());
226                }
227            }
228        }
229    }
230
231    private final class Handler implements ActionListener {
232        public void actionPerformed(ActionEvent evt) {
233            if (evt.getSource() instanceof JToggleButton) {
234                // Either iconify the frame or deiconify and activate it.
235                JToggleButton button = (JToggleButton)evt.getSource();
236                try {
237                    boolean selected = button.isSelected();
238                    if (!selected && !frame.isIconifiable()) {
239                        button.setSelected(true);
240                    } else {
241                        frame.setIcon(!selected);
242                        if (selected) {
243                            frame.setSelected(true);
244                        }
245                    }
246                } catch (PropertyVetoException e2) {
247                }
248            }
249        }
250    }
251}
252