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JAVA JTable JButton in JTable header

The following code changes column border in JTable. This example invovles the following files:

 

//Example modified from http://www.crionics.com/products/opensource/faq/swing_ex/JTableExamples2.html
/**
* @version 1.0 12/03/98
*/


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

public class ColumnBorderTableExample extends JFrame {

public ColumnBorderTableExample() {
super( "Column Border Example" );

DefaultTableModel dm = new DefaultTableModel(4,10);
JTable table = new JTable( dm );
table.setIntercellSpacing(new Dimension(0,0));

Color color = table.getGridColor();
BorderCellRenderer[] renderers = new BorderCellRenderer[6];
renderers[0] = createRenderer(color, new Insets(0,0,0,1));
renderers[1] = createRenderer(color, new Insets(0,1,0,1));
renderers[2] = createRenderer(color, new Insets(0,1,0,2));
renderers[3] = createRenderer(color, new Insets(0,2,0,2));
renderers[4] = createRenderer(color, new Insets(0,2,0,0));
renderers[5] = createRenderer(Color.red, new Insets(0,1,1,1));

TableColumnModel model = table.getColumnModel();
model.getColumn(1).setCellRenderer(renderers[0]);
model.getColumn(2).setCellRenderer(renderers[0]);
model.getColumn(3).setCellRenderer(renderers[0]);
model.getColumn(4).setCellRenderer(renderers[1]);
model.getColumn(5).setCellRenderer(renderers[2]);
model.getColumn(6).setCellRenderer(renderers[3]);
model.getColumn(7).setCellRenderer(renderers[4]);
model.getColumn(8).setCellRenderer(renderers[5]);

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

public static void main(String[] args) {
ColumnBorderTableExample frame = new ColumnBorderTableExample();
frame.addWindowListener( new WindowAdapter() {
public void windowClosing( WindowEvent e ) {
System.exit(0);
}
});
frame.setSize( 300, 120 );
frame.setVisible(true);
}

private static BorderCellRenderer createRenderer(Color color, Insets insets) {
BorderCellRenderer renderer = new BorderCellRenderer();
renderer.setColumnBorder(new LinesBorder(color, insets));
return renderer;
}
}

 

 


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Best books about JAVA programming from Amazon
Professional Java, JDK 5 Edition (Paperback Simply Java Programming: An Application-Driven Tutorial Approach (Paperback) Effective Java Programming Language Guide (Paperback) Head First Java, 2nd Edition (Paperback) Java : An Introduction to Problem Solving and Programming (4th Edition)

 

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