Demonstrating the AdjustmentListener

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;

public class AdjustmentTest {
  public static void main(String args[]) {
    JFrame frame = new JFrame();
    Container contentPane = frame.getContentPane();
    Icon icon = new ImageIcon("java2s.gif");
    JButton b = new JButton(icon);
    JScrollPane pane = new JScrollPane(b);
    AdjustmentListener hListener = new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        System.out.println("Horizontal: ");
        dumpInfo(e);
      }
    };
    JScrollBar hBar = pane.getHorizontalScrollBar();
    hBar.addAdjustmentListener(hListener);
    AdjustmentListener vListener = new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        System.out.println("Vertical: ");
        dumpInfo(e);
      }
    };
    JScrollBar vBar = pane.getVerticalScrollBar();
    vBar.addAdjustmentListener(vListener);
    contentPane.add(pane, BorderLayout.CENTER);
    frame.setSize(300, 200);
    frame.show();
  }

  private static void dumpInfo(AdjustmentEvent e) {
    System.out.println("\tValue: " + e.getValue());
    String type = null;
    switch (e.getAdjustmentType()) {
    case AdjustmentEvent.TRACK:
      type = "Track";
      break;
    case AdjustmentEvent.BLOCK_DECREMENT:
      type = "Block Decrement";
      break;
    case AdjustmentEvent.BLOCK_INCREMENT:
      type = "Block Increment";
      break;
    case AdjustmentEvent.UNIT_DECREMENT:
      type = "Unit Decrement";
      break;
    case AdjustmentEvent.UNIT_INCREMENT:
      type = "Unit Increment";
      break;
    }
    System.out.println("\tType: " + type);
  }
}

1.	Demonstrating the WindowListener with a WindowAdapter
2.	Demonstrating the ActionListener
3.	Demonstrating the AncestorListener
4.	Demonstrating the ComponentListener
5.	Demonstrating the ContainerListener
6.	Demonstrating the FocusListener
7.	Demonstrating the HyperlinkListener
8.	Demonstrating the InternalFrameListener
9.	Demonstrating the ItemListener
10.	Demonstrating the KeyListener
11.	Demonstrating the MenuListener
12.	Demonstrating the MouseListener and MouseMotionListener
13.	Demonstrating the MouseWheelListener
14.	Demonstrating the PopupMenuListener
15.	Demonstrating the WindowListener
16.	Responding to Keystrokes

Demonstrating the AdjustmentListener : Various Event Listener « Swing JFC « Java

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