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 
  26 package javax.swing.plaf.synth;
  27 
  28 import java.awt.*;
  29 import java.awt.event.*;
  30 import javax.swing.*;
  31 import javax.swing.plaf.*;
  32 import javax.swing.plaf.basic.BasicDesktopIconUI;
  33 import 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  */
  42 public 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         context.dispose();
 125     }
 126 
 127     /**
 128      * {@inheritDoc}
 129      */
 130     @Override
 131     protected void uninstallDefaults() {
 132         SynthContext context = getContext(desktopIcon, ENABLED);
 133         style.uninstallDefaults(context);
 134         context.dispose();
 135         style = null;
 136     }
 137 
 138     /**
 139      * {@inheritDoc}
 140      */
 141     @Override
 142     public SynthContext getContext(JComponent c) {
 143         return getContext(c, getComponentState(c));
 144     }
 145 
 146     private SynthContext getContext(JComponent c, int state) {
 147         Region region = SynthLookAndFeel.getRegion(c);
 148         return SynthContext.getContext(SynthContext.class, c, region,
 149                                        style, state);
 150     }
 151 
 152     private int getComponentState(JComponent c) {
 153         return SynthLookAndFeel.getComponentState(c);
 154     }
 155 
 156     /**
 157      * Notifies this UI delegate to repaint the specified component.
 158      * This method paints the component background, then calls
 159      * the {@link #paint(SynthContext,Graphics)} method.
 160      *
 161      * <p>In general, this method does not need to be overridden by subclasses.
 162      * All Look and Feel rendering code should reside in the {@code paint} method.
 163      *
 164      * @param g the {@code Graphics} object used for painting
 165      * @param c the component being painted
 166      * @see #paint(SynthContext,Graphics)
 167      */
 168     @Override
 169     public void update(Graphics g, JComponent c) {
 170         SynthContext context = getContext(c);
 171 
 172         SynthLookAndFeel.update(context, g);
 173         context.getPainter().paintDesktopIconBackground(context, g, 0, 0,
 174                                                   c.getWidth(), c.getHeight());
 175         paint(context, g);
 176         context.dispose();
 177     }
 178 
 179     /**
 180      * Paints the specified component according to the Look and Feel.
 181      * <p>This method is not used by Synth Look and Feel.
 182      * Painting is handled by the {@link #paint(SynthContext,Graphics)} method.
 183      *
 184      * @param g the {@code Graphics} object used for painting
 185      * @param c the component being painted
 186      * @see #paint(SynthContext,Graphics)
 187      */
 188     @Override
 189     public void paint(Graphics g, JComponent c) {
 190         SynthContext context = getContext(c);
 191 
 192         paint(context, g);
 193         context.dispose();
 194     }
 195 
 196     /**
 197      * Paints the specified component. This implementation does nothing.
 198      *
 199      * @param context context for the component being painted
 200      * @param g the {@code Graphics} object used for painting
 201      * @see #update(Graphics,JComponent)
 202      */
 203     protected void paint(SynthContext context, Graphics g) {
 204     }
 205 
 206     /**
 207      * {@inheritDoc}
 208      */
 209     @Override
 210     public void paintBorder(SynthContext context, Graphics g, int x,
 211                             int y, int w, int h) {
 212         context.getPainter().paintDesktopIconBorder(context, g, x, y, w, h);
 213     }
 214 
 215     public void propertyChange(PropertyChangeEvent evt) {
 216         if (evt.getSource() instanceof JInternalFrame.JDesktopIcon) {
 217             if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
 218                 updateStyle((JInternalFrame.JDesktopIcon)evt.getSource());
 219             }
 220         } else if (evt.getSource() instanceof JInternalFrame) {
 221             JInternalFrame frame = (JInternalFrame)evt.getSource();
 222             if (iconPane instanceof JToggleButton) {
 223                 JToggleButton button = (JToggleButton)iconPane;
 224                 String prop = evt.getPropertyName();
 225                 if (prop == "title") {
 226                     button.setText((String)evt.getNewValue());
 227                 } else if (prop == "frameIcon") {
 228                     button.setIcon((Icon)evt.getNewValue());
 229                 } else if (prop == JInternalFrame.IS_ICON_PROPERTY ||
 230                            prop == JInternalFrame.IS_SELECTED_PROPERTY) {
 231                     button.setSelected(!frame.isIcon() && frame.isSelected());
 232                 }
 233             }
 234         }
 235     }
 236 
 237     private final class Handler implements ActionListener {
 238         public void actionPerformed(ActionEvent evt) {
 239             if (evt.getSource() instanceof JToggleButton) {
 240                 // Either iconify the frame or deiconify and activate it.
 241                 JToggleButton button = (JToggleButton)evt.getSource();
 242                 try {
 243                     boolean selected = button.isSelected();
 244                     if (!selected && !frame.isIconifiable()) {
 245                         button.setSelected(true);
 246                     } else {
 247                         frame.setIcon(!selected);
 248                         if (selected) {
 249                             frame.setSelected(true);
 250                         }
 251                     }
 252                 } catch (PropertyVetoException e2) {
 253                 }
 254             }
 255         }
 256     }
 257 }