Eclipse SWT Virtual Table

Eclipse Virtual Tables and Trees

//-- Main.java --
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;

public class Main extends Composite {

  private Table table = null;

  public static void main(String[] args) {
 
    Display display = Display.getDefault();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setSize(new Point(300, 200));
    new Main(shell, SWT.NONE);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }

  public Main(Composite parent, int style) {
    super(parent, style);
    initialize();
    
    table.setItemCount(Short.MAX_VALUE);
    table.addListener(SWT.SetData, new Listener() {

      public void handleEvent(Event event) {        
        TableItem item = (TableItem)event.item;    
        String text = String.format("%d", event.index);
        item.setText(text);
      }
      
    });
  }

  private void initialize() {
    table = new Table(this, SWT.NONE | SWT.VIRTUAL);
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
    setSize(new Point(300, 200));
    setLayout(new FillLayout());
  }

}