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• Head First JAVA, Second Editon
• Effective Java Programming Language Guide
• Professional Java, JDK 5 Edition
• Ivor Horton's Beginning Java 2, JDK 5 Edition

JAVA JTable show hide column

The following code show hide column. This example have 5 files:

HideColumnTableExample.java
ColumnButtonScrollPane.java
ColumnButtonScrollPaneLayout.java
LinesBorder.java
ArrowIcon.java

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

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

/**
* @version 1.0 05/29/99
*/
public class ColumnButtonScrollPaneLayout extends ScrollPaneLayout {

public ColumnButtonScrollPaneLayout() {
super.setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_ALWAYS);
}

public void setVerticalScrollBarPolicy(int x) {
// VERTICAL_SCROLLBAR_ALWAYS
super.setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_ALWAYS);
}

public void layoutContainer(Container parent) {
super.layoutContainer(parent);

if ((colHead == null) || (! colHead.isVisible()) ||
(upperRight == null) || (vsb == null)) {
return;
}

Rectangle vsbR = new Rectangle(0, 0, 0, 0);
vsbR = vsb.getBounds(vsbR);

Rectangle colHeadR = new Rectangle(0, 0, 0, 0);
colHeadR = colHead.getBounds(colHeadR);
colHeadR.width -= vsbR.width;
colHead.getBounds(colHeadR);

Rectangle upperRightR = upperRight.getBounds();
upperRightR.x -= vsbR.width;
upperRightR.width += vsbR.width + 1;
upperRight.setBounds(upperRightR);
}
}