Author: Nobuo Tamemasa

// File: RowHeaderExample.java
/* (swing1.1beta3) */
//package jp.gr.java_conf.tame.swing.examples;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;


/**
 * @version 1.0 11/09/98
 */
 
class RowHeaderRenderer extends JLabel implements ListCellRenderer {
  
  RowHeaderRenderer(JTable table) {
	JTableHeader header = table.getTableHeader();
	setOpaque(true);
	setBorder(UIManager.getBorder("TableHeader.cellBorder"));
	setHorizontalAlignment(CENTER);
	setForeground(header.getForeground());
	setBackground(header.getBackground());
	setFont(header.getFont());
  }
  
  public Component getListCellRendererComponent( JList list, 
	     Object value, int index, boolean isSelected, boolean cellHasFocus) {
	setText((value == null) ? "" : value.toString());
	return this;
  }
}

public class RowHeaderExample extends JFrame {

  public RowHeaderExample() {
	super( "Row Header Example" );
	setSize( 300, 150 );
	    
	ListModel lm = new AbstractListModel() {
	  String headers[] = {"a", "b", "c", "d", "e",
"f", "g", "h", "i"};
	  public int getSize() { return headers.length; }
	  public Object getElementAt(int index) {
	    return headers[index];
	  }
	};

    DefaultTableModel dm = new DefaultTableModel(lm.getSize(),10);
	JTable table = new JTable( dm );
	table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
	
	JList rowHeader = new JList(lm);    
	rowHeader.setFixedCellWidth(50);
	
	rowHeader.setFixedCellHeight(table.getRowHeight()
				   + table.getRowMargin());
//				   + table.getIntercellSpacing().height);
	rowHeader.setCellRenderer(new RowHeaderRenderer(table));

    JScrollPane scroll = new JScrollPane( table );
	scroll.setRowHeaderView(rowHeader);
	getContentPane().add(scroll, BorderLayout.CENTER);
  }

  public static void main(String[] args) {
	RowHeaderExample frame = new RowHeaderExample();
	frame.addWindowListener( new WindowAdapter() {
	  public void windowClosing( WindowEvent e ) {
	    System.exit(0);
	  }
	});
	frame.setVisible(true);
  }
}

Posted On: 2-Jan-1999

internet.commerce