1 /*

     2  *

     3  * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  *

     9  *   - Redistributions of source code must retain the above copyright

    10  *     notice, this list of conditions and the following disclaimer.

    11  *

    12  *   - Redistributions in binary form must reproduce the above copyright

    13  *     notice, this list of conditions and the following disclaimer in the

    14  *     documentation and/or other materials provided with the distribution.

    15  *

    16  *   - Neither the name of Oracle nor the names of its

    17  *     contributors may be used to endorse or promote products derived

    18  *     from this software without specific prior written permission.

    19  *

    20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

    21  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

    22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR

    24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

    28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

    29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

    30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    31  */

    32 package java2d;

    33 

    34 

    35 import java.awt.BorderLayout;

    36 import java.awt.Component;

    37 import java.awt.Dimension;

    38 import java.awt.Font;

    39 import java.awt.GridBagLayout;

    40 import java.awt.GridLayout;

    41 import java.awt.Image;

    42 import java.awt.event.ActionEvent;

    43 import java.awt.event.ActionListener;

    44 import java.awt.event.MouseAdapter;

    45 import java.awt.event.MouseEvent;

    46 import java.awt.event.WindowAdapter;

    47 import java.awt.event.WindowEvent;

    48 import javax.swing.JButton;

    49 import javax.swing.JCheckBox;

    50 import javax.swing.JCheckBoxMenuItem;

    51 import javax.swing.JFrame;

    52 import javax.swing.JPanel;

    53 import javax.swing.JTabbedPane;

    54 import javax.swing.JToggleButton;

    55 import javax.swing.border.BevelBorder;

    56 import javax.swing.border.CompoundBorder;

    57 import javax.swing.border.EmptyBorder;

    58 import javax.swing.border.SoftBevelBorder;

    59 import javax.swing.event.ChangeEvent;

    60 import javax.swing.event.ChangeListener;

    61 

    62 

    63 /**

    64  * DemoGroup handles multiple demos inside of a panel.  Demos are loaded

    65  * from the demos[][] string as listed in J2Ddemo.java.

    66  * Demo groups can be loaded individually, for example :

    67  *      java DemoGroup Fonts

    68  * Loads all the demos found in the demos/Fonts directory.

    69  */

    70 @SuppressWarnings("serial")

    71 public class DemoGroup extends JPanel

    72         implements ChangeListener, ActionListener {

    73     private final DemoInstVarsAccessor demoInstVars;

    74     public int columns = 2;

    75     private static final Font font = new Font(Font.SERIF, Font.PLAIN, 10);

    76     private final EmptyBorder emptyB = new EmptyBorder(5, 5, 5, 5);

    77     private final BevelBorder bevelB = new BevelBorder(BevelBorder.LOWERED);

    78     private String groupName;

    79     public JPanel clonePanels[];

    80     public JTabbedPane tabbedPane;

    81 

    82     public DemoGroup(String name, DemoInstVarsAccessor demoInstVars) {

    83 

    84         groupName = name;

    85         this.demoInstVars = demoInstVars;

    86 

    87         setLayout(new BorderLayout());

    88 

    89         JPanel p = new JPanel(new GridLayout(0, 2));

    90         p.setBorder(new CompoundBorder(emptyB, bevelB));

    91 

    92         // Find the named demo group in J2Ddemo.demos[].

    93         int ind = -1;

    94         while (!name.equals(J2Ddemo.demos[++ind][0])) {

    95         }

    96         String[] demos = J2Ddemo.demos[ind];

    97 

    98         // If there are an odd number of demos, use GridBagLayout.

    99         // Note that we don't use the first entry.

   100         int numDemos = demos.length - 1;

   101         if (numDemos % 2 == 1) {

   102             p.setLayout(new GridBagLayout());

   103         }

   104 

   105         MouseAdapter mouseListener = new MouseAdapter() {

   106 

   107             @Override

   108             public void mouseClicked(MouseEvent e) {

   109                 DemoGroup.this.mouseClicked(e.getComponent());

   110             }

   111         };

   112 

   113         // For each demo in the group, prepare a DemoPanel.

   114         for (int i = 1; i <= numDemos; i++) {

   115             DemoPanel dp =

   116                     new DemoPanel("java2d.demos." + name + "." + demos[i], demoInstVars);

   117             dp.setDemoBorder(p);

   118             if (dp.surface != null) {

   119                 dp.surface.addMouseListener(mouseListener);

   120                 dp.surface.setMonitor(demoInstVars.getPerformanceMonitor() != null);

   121             }

   122             if (p.getLayout() instanceof GridBagLayout) {

   123                 int x = p.getComponentCount() % 2;

   124                 int y = p.getComponentCount() / 2;

   125                 int w = (i == numDemos) ? 2 : 1;

   126                 J2Ddemo.addToGridBag(p, dp, x, y, w, 1, 1, 1);

   127             } else {

   128                 p.add(dp);

   129             }

   130         }

   131 

   132         add(p);

   133     }

   134 

   135     public void mouseClicked(Component component) {

   136         String className = component.toString();

   137 

   138         if (tabbedPane == null) {

   139             shutDown(getPanel());

   140             JPanel p = new JPanel(new BorderLayout());

   141             p.setBorder(new CompoundBorder(emptyB, bevelB));

   142 

   143             tabbedPane = new JTabbedPane();

   144             tabbedPane.setFont(font);

   145 

   146             JPanel tmpP = (JPanel) getComponent(0);

   147             tabbedPane.addTab(groupName, tmpP);

   148 

   149             clonePanels = new JPanel[tmpP.getComponentCount()];

   150             for (int i = 0; i < clonePanels.length; i++) {

   151                 clonePanels[i] = new JPanel(new BorderLayout());

   152                 DemoPanel dp = (DemoPanel) tmpP.getComponent(i);

   153                 DemoPanel c = new DemoPanel(dp.className, demoInstVars);

   154                 c.setDemoBorder(clonePanels[i]);

   155                 if (c.surface != null) {

   156                     c.surface.setMonitor(demoInstVars.getPerformanceMonitor() != null);

   157                     Image cloneImg = DemoImages.getImage("clone.gif", this);

   158                     c.tools.cloneB = c.tools.addTool(cloneImg,

   159                             "Clone the Surface", this);

   160                     Dimension d = c.tools.toolbar.getPreferredSize();

   161                     c.tools.toolbar.setPreferredSize(

   162                             new Dimension(d.width + 27, d.height));

   163                     if (demoInstVars.getBackgroundColor() != null) {

   164                         c.surface.setBackground(demoInstVars.getBackgroundColor());

   165                     }

   166                 }

   167                 clonePanels[i].add(c);

   168                 String s = dp.className.substring(dp.className.indexOf('.') + 1);

   169                 tabbedPane.addTab(s, clonePanels[i]);

   170             }

   171             p.add(tabbedPane);

   172             remove(tmpP);

   173             add(p);

   174 

   175             tabbedPane.addChangeListener(this);

   176             revalidate();

   177         }

   178 

   179         className = className.substring(0, className.indexOf('['));

   180 

   181         for (int i = 0; i < tabbedPane.getTabCount(); i++) {

   182             String s1 = className.substring(className.indexOf('.') + 1);

   183             if (tabbedPane.getTitleAt(i).equals(s1)) {

   184                 tabbedPane.setSelectedIndex(i);

   185                 break;

   186             }

   187         }

   188 

   189         revalidate();

   190     }

   191 

   192     @Override

   193     public void actionPerformed(ActionEvent e) {

   194         JButton b = (JButton) e.getSource();

   195         if (b.getToolTipText().startsWith("Clone")) {

   196             cloneDemo();

   197         } else {

   198             removeClone(b.getParent().getParent().getParent().getParent());

   199         }

   200     }

   201     private int index;

   202 

   203     @Override

   204     public void stateChanged(ChangeEvent e) {

   205         shutDown((JPanel) tabbedPane.getComponentAt(index));

   206         index = tabbedPane.getSelectedIndex();

   207         setup(false);

   208     }

   209 

   210     public JPanel getPanel() {

   211         if (tabbedPane != null) {

   212             return (JPanel) tabbedPane.getSelectedComponent();

   213         } else {

   214             return (JPanel) getComponent(0);

   215         }

   216     }

   217 

   218     public void setup(boolean issueRepaint) {

   219 

   220         JPanel p = getPanel();

   221 

   222         // Let PerformanceMonitor know which demos are running

   223         if (demoInstVars.getPerformanceMonitor() != null) {

   224             demoInstVars.getPerformanceMonitor().surf.setPanel(p);

   225             demoInstVars.getPerformanceMonitor().surf.setSurfaceState();

   226         }

   227 

   228         GlobalControls c = demoInstVars.getControls();

   229         // .. tools check against global controls settings ..

   230         // .. & start demo & custom control thread if need be ..

   231         for (int i = 0; i < p.getComponentCount(); i++) {

   232             DemoPanel dp = (DemoPanel) p.getComponent(i);

   233             if (dp.surface != null && c != null) {

   234                 Tools t = dp.tools;

   235                 t.setVisible(isValid());

   236                 t.issueRepaint = issueRepaint;

   237                 JToggleButton b[] = { t.toggleB, t.aliasB, t.renderB,

   238                     t.textureB, t.compositeB };

   239                 JCheckBox cb[] = { c.toolBarCB, c.aliasCB, c.renderCB,

   240                     c.textureCB, c.compositeCB };

   241                 for (int j = 0; j < b.length; j++) {

   242                     if (c.obj != null && c.obj.equals(cb[j])) {

   243                         if (b[j].isSelected() != cb[j].isSelected()) {

   244                             b[j].doClick();

   245                         }

   246                     } else if (c.obj == null) {

   247                         if (b[j].isSelected() != cb[j].isSelected()) {

   248                             b[j].doClick();

   249                         }

   250                     }

   251                 }

   252                 t.setVisible(true);

   253                 if (c.screenCombo.getSelectedIndex()

   254                         != t.screenCombo.getSelectedIndex()) {

   255                     t.screenCombo.setSelectedIndex(c.screenCombo.

   256                             getSelectedIndex());

   257                 }

   258                 if (demoInstVars.getVerboseCB().isSelected()) {

   259                     dp.surface.verbose(c);

   260                 }

   261                 dp.surface.setSleepAmount(c.slider.getValue());

   262                 if (demoInstVars.getBackgroundColor() != null) {

   263                     dp.surface.setBackground(demoInstVars.getBackgroundColor());

   264                 }

   265                 t.issueRepaint = true;

   266             }

   267             dp.start();

   268         }

   269         revalidate();

   270     }

   271 

   272     public void shutDown(JPanel p) {

   273         for (int i = 0; i < p.getComponentCount(); i++) {

   274             ((DemoPanel) p.getComponent(i)).stop();

   275         }

   276         System.gc();

   277     }

   278 

   279     public void cloneDemo() {

   280         JPanel panel = clonePanels[tabbedPane.getSelectedIndex() - 1];

   281         if (panel.getComponentCount() == 1) {

   282             panel.invalidate();

   283             panel.setLayout(new GridLayout(0, columns, 5, 5));

   284             panel.revalidate();

   285         }

   286         DemoPanel original = (DemoPanel) getPanel().getComponent(0);

   287         DemoPanel clone = new DemoPanel(original.className, demoInstVars);

   288         if (columns == 2) {

   289             clone.setDemoBorder(panel);

   290         }

   291         Image removeImg = DemoImages.getImage("remove.gif", this);

   292         clone.tools.cloneB =

   293                 clone.tools.addTool(removeImg, "Remove the Surface", this);

   294         Dimension d = clone.tools.toolbar.getPreferredSize();

   295         clone.tools.toolbar.setPreferredSize(

   296                 new Dimension(d.width + 27, d.height));

   297         if (demoInstVars.getBackgroundColor() != null) {

   298             clone.surface.setBackground(demoInstVars.getBackgroundColor());

   299         }

   300         if (demoInstVars.getControls() != null) {

   301             if (clone.tools.isExpanded

   302                     != demoInstVars.getControls().toolBarCB.isSelected()) {

   303                 clone.tools.toggleB.doClick();

   304             }

   305         }

   306         clone.start();

   307         clone.surface.setMonitor(demoInstVars.getPerformanceMonitor() != null);

   308         panel.add(clone);

   309         panel.repaint();

   310         panel.revalidate();

   311     }

   312 

   313     public void removeClone(Component theClone) {

   314         JPanel panel = clonePanels[tabbedPane.getSelectedIndex() - 1];

   315         if (panel.getComponentCount() == 2) {

   316             Component cmp = panel.getComponent(0);

   317             panel.removeAll();

   318             panel.setLayout(new BorderLayout());

   319             panel.revalidate();

   320             panel.add(cmp);

   321         } else {

   322             panel.remove(theClone);

   323             int cmpCount = panel.getComponentCount();

   324             for (int j = 1; j < cmpCount; j++) {

   325                 int top = (j + 1 >= 3) ? 0 : 5;

   326                 int left = ((j + 1) % 2) == 0 ? 0 : 5;

   327                 EmptyBorder eb = new EmptyBorder(top, left, 5, 5);

   328                 SoftBevelBorder sbb = new SoftBevelBorder(BevelBorder.RAISED);

   329                 JPanel p = (JPanel) panel.getComponent(j);

   330                 p.setBorder(new CompoundBorder(eb, sbb));

   331             }

   332         }

   333         panel.repaint();

   334         panel.revalidate();

   335     }

   336 

   337     public static void main(String args[]) {

   338         class DemoInstVarsAccessorImpl extends DemoInstVarsAccessorImplBase {

   339             private volatile JCheckBoxMenuItem ccthreadCB;

   340 

   341             public void setCcthreadCB(JCheckBoxMenuItem ccthreadCB) {

   342                 this.ccthreadCB = ccthreadCB;

   343             }

   344 

   345             @Override

   346             public JCheckBoxMenuItem getCcthreadCB() {

   347                 return ccthreadCB;

   348             }

   349         }

   350         DemoInstVarsAccessorImpl demoInstVars = new DemoInstVarsAccessorImpl();

   351         final DemoGroup group = new DemoGroup(args[0], demoInstVars);

   352         JFrame f = new JFrame("Java2D(TM) Demo - DemoGroup");

   353         f.addWindowListener(new WindowAdapter() {

   354 

   355             @Override

   356             public void windowClosing(WindowEvent e) {

   357                 System.exit(0);

   358             }

   359 

   360             @Override

   361             public void windowDeiconified(WindowEvent e) {

   362                 group.setup(false);

   363             }

   364 

   365             @Override

   366             public void windowIconified(WindowEvent e) {

   367                 group.shutDown(group.getPanel());

   368             }

   369         });

   370         f.getContentPane().add("Center", group);

   371         f.pack();

   372         int FRAME_WIDTH = 620;

   373         int FRAME_HEIGHT = 530;

   374         f.setSize(FRAME_WIDTH, FRAME_HEIGHT);

   375         f.setLocationRelativeTo(null);  // centers f on screen

   376         f.setVisible(true);

   377         for (String arg : args) {

   378             if (arg.startsWith("-ccthread")) {

   379                 demoInstVars.setCcthreadCB(new JCheckBoxMenuItem("CCThread", true));

   380             }

   381         }

   382         group.setup(false);

   383     }

   384 }