tabbedpanedemo.java

采用java技术开发的控制面板

 	    icon[4] = createImageIcon("tabbedpane/blake.gif", getString("TabbedPaneDemo.blake")); 
 	    icon[5] = createImageIcon("tabbedpane/brooke.gif", getString("TabbedPaneDemo.brooke")); 
  
 	    /* 
 	    for(int i = 0; i < 6; i++) { 
 		x[i] = (double) rand.nextInt(500); 
 		y[i] = (double) rand.nextInt(500); 
 	    } 
 	    */ 
 	} 
 	 
 	public void go() { 
 	    animator = new javax.swing.Timer(22 + 22 + 22, this); 
 	    animator.start(); 
 	} 
  
 	public void paint(Graphics g) { 
 	    g.setColor(getBackground()); 
 	    g.fillRect(0, 0, getWidth(), getHeight()); 
  
 	    for(int i = 0; i < numImages; i++) { 
 		if(x[i] > 3*i) { 
 		    nudge(i); 
 		    squish(g, icon[i], xh[i], yh[i], scale[i]); 
 		} else { 
 		    x[i] += .05; 
 		    y[i] += .05; 
 		} 
 	    } 
 	} 
  
 	Random rand = new Random(); 
  
 	public void nudge(int i) { 
 	    x[i] += (double) rand.nextInt(1000) / 8756; 
 	    y[i] += (double) rand.nextInt(1000) / 5432; 
 	    int tmpScale = (int) (Math.abs(Math.sin(x[i])) * 10); 
 	    scale[i] = (double) tmpScale / 10; 
 	    int nudgeX = (int) (((double) getWidth()/2) * .8); 
 	    int nudgeY = (int) (((double) getHeight()/2) * .60); 
 	    xh[i] = (int) (Math.sin(x[i]) * nudgeX) + nudgeX; 
 	    yh[i] = (int) (Math.sin(y[i]) * nudgeY) + nudgeY; 
 	} 
  
 	public void squish(Graphics g, ImageIcon icon, int x, int y, double scale) { 
 	    if(isVisible()) { 
 		g.drawImage(icon.getImage(), x, y, 
 			    (int) (icon.getIconWidth()*scale), 
 			    (int) (icon.getIconHeight()*scale), 
 			    this); 
 	    }  
 	} 
 	 
 	public void actionPerformed(ActionEvent e) { 
 	    if(isVisible()) { 
 		repaint(); 
 	    } else { 
 		animator.stop(); 
 	    } 
 	} 
     } 
 } 
   extends DemoModule implements ActionListener { 
     HeadSpin spin; 
  
     JTabbedPane tabbedpane; 
  
     ButtonGroup group; 
  
     JRadioButton top; 
     JRadioButton bottom; 
     JRadioButton left; 
     JRadioButton right; 
  
     /** 
      * main method allows us to run as a standalone demo. 
      */ 
     public static void main(String[] args) { 
 	TabbedPaneDemo demo = new TabbedPaneDemo(null); 
 	demo.mainImpl(); 
     } 
  
     /** 
      * TabbedPaneDemo Constructor 
      */ 
     public TabbedPaneDemo(SwingSet2 swingset) { 
 	// Set the title for this demo, and an icon used to represent this 
 	// demo inside the SwingSet2 app. 
 	super(swingset, "TabbedPaneDemo", "toolbar/JTabbedPane.gif"); 
  
 	// create tab position controls 
 	JPanel tabControls = new JPanel(); 
 	tabControls.add(new JLabel(getString("TabbedPaneDemo.label"))); 
 	top    = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.top"))); 
 	left   = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.left"))); 
 	bottom = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.bottom"))); 
 	right  = (JRadioButton) tabControls.add(new JRadioButton(getString("TabbedPaneDemo.right"))); 
 	getDemoPanel().add(tabControls, BorderLayout.NORTH); 
  
 	group = new ButtonGroup(); 
 	group.add(top); 
 	group.add(bottom); 
 	group.add(left); 
 	group.add(right); 
  
 	top.setSelected(true); 
  
 	top.addActionListener(this); 
 	bottom.addActionListener(this); 
 	left.addActionListener(this); 
 	right.addActionListener(this); 
  
 	// create tab  
 	tabbedpane = new JTabbedPane(); 
 	getDemoPanel().add(tabbedpane, BorderLayout.CENTER); 
  
 	String name = getString("TabbedPaneDemo.laine"); 
 	JLabel pix = new JLabel(createImageIcon("tabbedpane/laine.jpg", name)); 
 	tabbedpane.add(name, pix); 
  
 	name = getString("TabbedPaneDemo.ewan"); 
 	pix = new JLabel(createImageIcon("tabbedpane/ewan.jpg", name)); 
 	tabbedpane.add(name, pix); 
  
 	name = getString("TabbedPaneDemo.hania"); 
 	pix = new JLabel(createImageIcon("tabbedpane/hania.jpg", name)); 
 	tabbedpane.add(name, pix); 
  
 	name = getString("TabbedPaneDemo.bounce"); 
 	spin = new HeadSpin(); 
 	tabbedpane.add(name, spin); 
 	 
 	tabbedpane.getModel().addChangeListener( 
 	   new ChangeListener() { 
 	      public void stateChanged(ChangeEvent e) { 
 		  SingleSelectionModel model = (SingleSelectionModel) e.getSource(); 
 		  if(model.getSelectedIndex() == tabbedpane.getTabCount()-1) { 
 		      spin.go(); 
 		  } 
 	      } 
 	   } 
 	); 
     } 
  
     public void actionPerformed(ActionEvent e) { 
 	if(e.getSource() == top) { 
 	    tabbedpane.setTabPlacement(JTabbedPane.TOP); 
 	} else if(e.getSource() == left) { 
 	    tabbedpane.setTabPlacement(JTabbedPane.LEFT); 
 	} else if(e.getSource() == bottom) { 
 	    tabbedpane.setTabPlacement(JTabbedPane.BOTTOM); 
 	} else if(e.getSource() == right) { 
 	    tabbedpane.setTabPlacement(JTabbedPane.RIGHT); 
 	} 
     } 
  
     class HeadSpin extends JComponent implements ActionListener { 
 	javax.swing.Timer animator; 
 	 
 	ImageIcon icon[] = new ImageIcon[6]; 
  
 	int tmpScale; 
  
 	final static int numImages = 6; 
  
 	double x[] = new double[numImages]; 
 	double y[] = new double[numImages]; 
  
 	int xh[] = new int[numImages]; 
 	int yh[] = new int[numImages]; 
  
 	double scale[] = new double[numImages]; 
  
 	public HeadSpin() { 
 	    setBackground(Color.black); 
 	    icon[0] = createImageIcon("tabbedpane/ewan.gif", getString("TabbedPaneDemo.ewan")); 
 	    icon[1] = createImageIcon("tabbedpane/stephen.gif", getString("TabbedPaneDemo.stephen")); 
 	    icon[2] = createImageIcon("tabbedpane/david.gif", getString("TabbedPaneDemo.david")); 
 	    icon[3] = createImageIcon("tabbedpane/matthew.gif", getString("TabbedPaneDemo.matthew")); 
 	    icon[4] = createImageIcon("tabbedpane/blake.gif", getString("TabbedPaneDemo.blake")); 
 	    icon[5] = createImageIcon("tabbedpane/brooke.gif", getString("TabbedPaneDemo.brooke")); 
  
 	    /* 
 	    for(int i = 0; i < 6; i++) { 
 		x[i] = (double) rand.nextInt(500); 
 		y[i] = (double) rand.nextInt(500); 
 	    } 
 	    */ 
 	} 
 	 
 	public void go() { 
 	    animator = new javax.swing.Timer(22 + 22 + 22, this); 
 	    animator.start(); 
 	} 
  
 	public void paint(Graphics g) { 
 	    g.setColor(getBackground()); 
 	    g.fillRect(0, 0, getWidth(), getHeight()); 
  
 	    for(int i = 0; i < numImages; i++) { 
 		if(x[i] > 3*i) { 
 		    nudge(i); 
 		    squish(g, icon[i], xh[i], yh[i], scale[i]); 
 		} else { 
 		    x[i] += .05; 
 		    y[i] += .05; 
 		} 
 	    } 
 	} 
  
 	Random rand = new Random(); 
  
 	public void nudge(int i) { 
 	    x[i] += (double) rand.nextInt(1000) / 8756; 
 	    y[i] += (double) rand.nextInt(1000) / 5432; 
 	    int tmpScale = (int) (Math.abs(Math.sin(x[i])) * 10); 
 	    scale[i] = (double) tmpScale / 10; 
 	    int nudgeX = (int) (((double) getWidth()/2) * .8); 
 	    int nudgeY = (int) (((double) getHeight()/2) * .60); 
 	    xh[i] = (int) (Math.sin(x[i]) * nudgeX) + nudgeX; 
 	    yh[i] = (int) (Math.sin(y[i]) * nudgeY) + nudgeY; 
 	} 
  
 	public void squish(Graphics g, ImageIcon icon, int x, int y, double scale) { 
 	    if(isVisible()) { 
 		g.drawImage(icon.getImage(), x, y, 
 			    (int) (icon.getIconWidth()*scale), 
 			    (int) (icon.getIconHeight()*scale), 
 			    this); 
 	    }  
 	} 
 	 
 	public void actionPerformed(ActionEvent e) { 
 	    if(isVisible()) { 
 		repaint(); 
 	    } else { 
 		animator.stop(); 
 	    } 
 	} 
     } 
 }