package java2d;import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.border.*;import javax.swing.event.ChangeEvent;import javax.swing.event.ChangeListener;import java.util.Vector;// MouseListener,public class DemoGroup extends JPanel implements  ChangeListener{    static int columns = 2;    private static Font font = new Font("serif", Font.PLAIN, 12);    private static EmptyBorder emptyB = new EmptyBorder(5,5,5,5);    private static BevelBorder bevelB = new BevelBorder(BevelBorder.LOWERED);    private String groupName;    public JPanel clonePanels[];    public JTabbedPane tabbedPane;    String[] demos0;    public DemoGroup(String name) {        groupName = name;        setLayout(new BorderLayout());        JPanel p = new JPanel(new GridLayout(0,2));        p.setBorder(new CompoundBorder(emptyB, bevelB));        Vector vector = new Vector(40);        int index = 0;        for (; index < Java2Demo.demos.length; index++) {            if (name.compareTo(Java2Demo.demos[index][0]) == 0) {               break;            }        }        String[] demos = Java2Demo.demos[index];	    demos0= Java2Demo.demos0[index];        for (int j = 1; j < demos.length; j++) {            vector.add("java2d."+demos[j]);        }        if (vector.size()%2 == 1) {            p.setLayout(new GridBagLayout());        }         for (int i = 0; i < vector.size(); i++) {            DemoPanel dp = new DemoPanel((String) vector.elementAt(i));            dp.setDemoBorder(p);            if (dp.surface != null) {               // dp.surface.addMouseListener(this);			                  dp.surface.setMonitor(Java2Demo.performancemonitor != null);            }             if (p.getLayout() instanceof GridBagLayout) {                int x = p.getComponentCount() % 2;                int y = p.getComponentCount() / 2;                int w = i == vector.size()-1 ? 2 : 1;                Java2Demo.addToGridBag(p,dp,x,y,w,1,1,1);            } else {                p.add(dp);            }			         }		        add(p);		addtab();    }  /*  public void mouseClicked(MouseEvent e) 	{        if (tabbedPane == null) {           // shutDown(getPanel());            JPanel p = new JPanel(new BorderLayout());            p.setBorder(new CompoundBorder(emptyB, bevelB));            tabbedPane = new JTabbedPane();            tabbedPane.setFont(font);            JPanel tmpP = (JPanel) getComponent(0);            tabbedPane.addTab(groupName, tmpP);            clonePanels = new JPanel[tmpP.getComponentCount()];            for (int i = 0; i < clonePanels.length; i++) {                clonePanels[i] = new JPanel(new BorderLayout());                DemoPanel dp = (DemoPanel) tmpP.getComponent(i);                DemoPanel c = new DemoPanel(dp.className);                c.setDemoBorder(clonePanels[i]);                if (c.surface != null) {                    c.surface.setMonitor(Java2Demo.performancemonitor != null);                                       if (Java2Demo.backgroundColor != null) {                        c.surface.setBackground(Java2Demo.backgroundColor);                    }                }                 clonePanels[i].add(c);                String s = dp.className.substring(dp.className.indexOf('.')+1);                tabbedPane.addTab(s, clonePanels[i]);            }            p.add(tabbedPane);            remove(tmpP);            add(p);            tabbedPane.addChangeListener(this);            validate();        }       String className = e.getComponent().toString();        className = className.substring(0, className.indexOf('['));        for (int i = 0; i < tabbedPane.getTabCount(); i++) {            String s1 = className.substring(className.indexOf('.')+1);            if (tabbedPane.getTitleAt(i).equals(s1)) {                tabbedPane.setSelectedIndex(i);                break;            }        }		        validate();    }    public void mousePressed(MouseEvent e) { }    public void mouseReleased(MouseEvent e) { }    public void mouseEntered(MouseEvent e) { }    public void mouseExited(MouseEvent e) { }*/	 public void addtab() 	{        if (tabbedPane == null) {            shutDown(getPanel());            JPanel p = new JPanel(new BorderLayout());            p.setBorder(new CompoundBorder(emptyB, bevelB));            tabbedPane = new JTabbedPane();            tabbedPane.setFont(font);            JPanel tmpP = (JPanel) getComponent(0);            tabbedPane.addTab(groupName, tmpP);			            clonePanels = new JPanel[tmpP.getComponentCount()];            for (int i = 0; i < clonePanels.length; i++) {                clonePanels[i] = new JPanel(new BorderLayout());                DemoPanel dp = (DemoPanel) tmpP.getComponent(i);                DemoPanel c = new DemoPanel(dp.className);                c.setDemoBorder(clonePanels[i]);                if (c.surface != null) {                    c.surface.setMonitor(Java2Demo.performancemonitor != null);                                       if (Java2Demo.backgroundColor != null) {                        c.surface.setBackground(Java2Demo.backgroundColor);                    }                }                 clonePanels[i].add(c);                //String s = dp.className.substring(dp.className.indexOf('.')+1);                				//				if(groupName.compareTo("振動")==0){				String s = demos0[i+1];                tabbedPane.addTab(s, clonePanels[i]);}           }            p.add(tabbedPane);            remove(tmpP);            add(p);            tabbedPane.addChangeListener(this);            validate();			        }	}    private int index;    public void stateChanged(ChangeEvent e) {		        shutDown((JPanel) tabbedPane.getComponentAt(index));        index = tabbedPane.getSelectedIndex();        setup(false);            }    public JPanel getPanel() {        if (tabbedPane != null) {            return (JPanel) tabbedPane.getSelectedComponent();        } else {            return (JPanel) getComponent(0);        }    }    public void setup(boolean issueRepaint) {        JPanel p = getPanel();        // Let PerformanceMonitor know which demos are running       if (Java2Demo.performancemonitor != null) {            Java2Demo.performancemonitor.surf.setPanel(p);            Java2Demo.performancemonitor.surf.setSurfaceState();        }        GlobalControls c = Java2Demo.controls;        for (int i = 0; i < p.getComponentCount(); i++) {            DemoPanel dp = (DemoPanel) p.getComponent(i);            if (dp.surface != null && c != null) {                                  // dp.surface.verbose();                          //dp.surface.setSleepAmount(c.slider.getValue());                 //dp.surface.setSleepAmount(30);             //   if (Java2Demo.backgroundColor != null) {                   // dp.surface.setBackground(Java2Demo.backgroundColor);               // }                          }            dp.start();        }         validate();    }    public void shutDown(JPanel p) {       invalidate();        for (int i = 0; i < p.getComponentCount(); i++) {            ((DemoPanel) p.getComponent(i)).stop();        }         System.gc();		    }   	}