Table Row Header Example : Grid Table « Swing Components « Java
Table Row Header Example
// Example from http://www.crionics.com/products/opensource/faq/swing_ex/SwingExamples.html
/* (swing1.1beta3) */
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.AbstractListModel;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListCellRenderer;
import javax.swing.ListModel;
import javax.swing.UIManager;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.JTableHeader;
/**
* @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);
}
}
