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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
*/

/* (swing1.1) */

/* (swing1.1) */

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

/**
* @version 1.0 02/26/99
*/
public class ArrowIcon implements Icon, SwingConstants {
private static final int DEFAULT_SIZE = 11;
//private static final int DEFAULT_SIZE = 5;

private int size;
private int iconSize;
private int direction;
private boolean isEnabled;
private BasicArrowButton iconRenderer;

public ArrowIcon(int direction, boolean isPressedView) {
this(DEFAULT_SIZE, direction, isPressedView);
}

public ArrowIcon(int iconSize, int direction, boolean isEnabled) {
this.size = iconSize / 2;
this.iconSize = iconSize;
this.direction = direction;
this.isEnabled = isEnabled;
iconRenderer = new BasicArrowButton(direction);
}

public void paintIcon(Component c, Graphics g, int x, int y) {
iconRenderer.paintTriangle(g, x, y, size, direction, isEnabled);
}

public int getIconWidth() {
//int retCode;
switch (direction) {
case NORTH:
case SOUTH: return iconSize;
case EAST:
case WEST: return size;
}
return iconSize;
}

public int getIconHeight() {
switch (direction) {
case NORTH:
case SOUTH: return size;
case EAST:
case WEST: return iconSize;
}
return size;
}
}