Java by API/javax.swing/JViewport

JViewport: setView(Component com)

   <source lang="java">

import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.JViewport; public class MainClass {

 public static void main(final String args[]) {
   final Object rows[][] = { { "one", "1" }, { "two", "2" },
       { "three", "3" } };
   final Object headers[] = { "English", "Digit" };
   
   JFrame frame = new JFrame("Scrollless Table");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   
   JTable table = new JTable(rows,headers);
   
   JScrollPane scrollPane = new JScrollPane(table);
   JViewport viewport = new JViewport();
   viewport.setView(table);
   scrollPane.setColumnHeaderView( new JLabel("table header here"));
   scrollPane.setRowHeaderView(viewport);
   
   frame.add(scrollPane, BorderLayout.CENTER);
   frame.setSize(300, 150);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

JViewport: setViewPosition(Point p)

   <source lang="java">

import java.awt.Container; import java.awt.Cursor; import java.awt.Point; import java.awt.event.MouseEvent; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JScrollPane; import javax.swing.JViewport; import javax.swing.event.MouseInputAdapter; public class Main extends JFrame {

 public Main() {
   super("Grab and drag Demo");
   ImageIcon ii = new ImageIcon("largejexpLogo.jpg");
   JScrollPane jsp = new JScrollPane(new GrabAndScrollLabel(ii));
   getContentPane().add(jsp);
   setSize(300, 250);
   setVisible(true);
   super.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 }
 public static void main(String[] args) {
   new Main();
 }

} class GrabAndScrollLabel extends JLabel {

 public GrabAndScrollLabel(ImageIcon i) {
   super(i);
   MouseInputAdapter mia = new MouseInputAdapter() {
     int xDiff, yDiff;
     Container c;
     public void mouseDragged(MouseEvent e) {
       c = GrabAndScrollLabel.this.getParent();
       if (c instanceof JViewport) {
         JViewport jv = (JViewport) c;
         Point p = jv.getViewPosition();
         int newX = p.x - (e.getX() - xDiff);
         int newY = p.y - (e.getY() - yDiff);
         int maxX = GrabAndScrollLabel.this.getWidth() - jv.getWidth();
         int maxY = GrabAndScrollLabel.this.getHeight() - jv.getHeight();
         if (newX < 0)
           newX = 0;
         if (newX > maxX)
           newX = maxX;
         if (newY < 0)
           newY = 0;
         if (newY > maxY)
           newY = maxY;
         jv.setViewPosition(new Point(newX, newY));
       }
     }
     public void mousePressed(MouseEvent e) {
       setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
       xDiff = e.getX();
       yDiff = e.getY();
     }
     public void mouseReleased(MouseEvent e) {
       setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
     }
   };
   addMouseMotionListener(mia);
   addMouseListener(mia);
 }

}

 </source>
   
  
 
  

new JViewport()

   <source lang="java">

import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.JViewport; public class MainClass {

 public static void main(final String args[]) {
   final Object rows[][] = { { "one", "1" }, { "two", "2" },
       { "three", "3" } };
   final Object headers[] = { "English", "Digit" };
   
   JFrame frame = new JFrame("Scrollless Table");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   
   JTable table = new JTable(rows,headers);
   
   JScrollPane scrollPane = new JScrollPane(table);
   JViewport viewport = new JViewport();
   viewport.setView(table);
   scrollPane.setColumnHeaderView( new JLabel("table header here"));
   scrollPane.setRowHeaderView(viewport);
   
   frame.add(scrollPane, BorderLayout.CENTER);
   frame.setSize(300, 150);
   frame.setVisible(true);
 }

}

 </source>