/* (swing1.1.1beta2) *///package jp.gr.java_conf.tame.swing.examples;import java.awt.*;import java.awt.event.*;import java.awt.image.*;import javax.swing.*;import javax.swing.table.*;/** * @version 1.0 06/19/99 */public class AnimatedIconHeaderExample extends JFrame {  public AnimatedIconHeaderExample(){    super( "AnimatedIconHeader Example" );        final Object[][] data =  new Object[][]{      {"Leopard","Lycaon"},      {"Jagur"  ,"Jackal"},      {"Cheetah","Coyote"},      {"Puma"   ,"Dingo" },      {"Lynx"   ,"Fox"   },      {"Tom"    ,"Hot"  }};    final String[] column = new String[]{"Cat","Dog"};        ImageIcon[] icons = {new ImageIcon("images/3-119.gif"),                         new ImageIcon("images/3-6.gif")};            AbstractTableModel model = new AbstractTableModel() {      public int getColumnCount() { return column.length; }      public int getRowCount()    { return data.length; }      public String getColumnName(int col) {       return column[col];       }      public Object getValueAt(int row, int col) {         return data[row][col];       }    };            JTable table = new JTable( model );    JTableHeader header = table.getTableHeader();    JLabel renderer;    for (int i=0;i<model.getColumnCount();i++) {      renderer = (JLabel)table.getColumn(column[i]).getHeaderRenderer();      renderer.setIcon(icons[i]);            // If you have only one column.      // icons[i].setImageObserver(header);            icons[i].setImageObserver(new HeaderImageObserver(header, i));    }    JScrollPane pane = new JScrollPane(table);    getContentPane().add(pane);  }      class HeaderImageObserver implements ImageObserver {    JTableHeader header;    int col;          HeaderImageObserver(JTableHeader header, int col) {      this.header = header;      this.col    = col;    }        public boolean imageUpdate(Image img, int flags,			       int x, int y, int w, int h) {      if ((flags & (FRAMEBITS|ALLBITS)) != 0) {        Rectangle rect = header.getHeaderRect(col);        header.repaint(rect);      }      return (flags & (ALLBITS|ABORT)) == 0;    }  }        public static void main(String[] args) {    AnimatedIconHeaderExample frame = new AnimatedIconHeaderExample();    frame.addWindowListener(new WindowAdapter() {      public void windowClosing(WindowEvent e) {        System.exit(0);      }    });    frame.setSize( 300, 140 );    frame.setVisible(true);  }}