SWT table with buttons in column header

package test;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;

public class TableHeaderButtonsTest {

   public static void main(String[] args) {
      Display display = new Display();
      String[] titles = { "", "Column 1", "Column 2" };
      Shell shell = new Shell(display);
      shell.setLayout(new FormLayout());
      final Table table = new Table(shell, SWT.CHECK | SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION);
      FormData data = new FormData(800, 600);
      table.setLayoutData(data);
      table.setLinesVisible(true);
      table.setHeaderVisible(true);
      for (int i = 0; i < titles.length; i++) {
         TableColumn column = new TableColumn(table, SWT.NONE);
         column.setText(titles[i]);
         if (i > 0) {
            column.setMoveable(true); // Other columns can still be moved to id 0, though :(
         }
      }
      int count = 64;
      for (int i = 0; i < count; i++) {
         TableItem item = new TableItem(table, SWT.NONE);
         item.setText(0, "");
         item.setText(1, "Lorem ipsum " + i);
         item.setText(2, "Dolor est");
      }
      for (int i = 0; i < titles.length; i++) {
         table.getColumn(i).pack();
      }


      FormData fd = new FormData();
      fd.left = new FormAttachment(table, 5, SWT.LEFT);
      fd.top = new FormAttachment(table, 5, SWT.TOP);

      Button checkbox = new Button(shell, SWT.CHECK);
      checkbox.setLayoutData(fd);
      checkbox.moveAbove(table);
      checkbox.setToolTipText("Select all items");
      checkbox.addSelectionListener(new SelectionAdapter() {
         @Override
         public void widgetSelected(SelectionEvent event) {
            if (this.getCheckedItemCount() == table.getItemCount()) {
               this.checkAllItems(false);
            }
            else {
               this.checkAllItems(true);
            }
         }

         private void checkAllItems(final boolean check) {
            for (TableItem tableItem: table.getItems()) {
               tableItem.setChecked(check);
            }
         }

         private int getCheckedItemCount() {
            int count = 0;

            for (TableItem tableItem: table.getItems()) {
               if (tableItem.getChecked()) {
                  ++count;
               }
            }

            return count;
         }
      });


      FormData fd2 = new FormData();
      fd2.left = new FormAttachment(table, 25, SWT.LEFT);
      fd2.top = new FormAttachment(table, 5, SWT.TOP);

      Button checkbox2 = new Button(shell, SWT.CHECK);
      checkbox2.setLayoutData(fd2);
      checkbox2.moveAbove(table);
      checkbox2.setToolTipText("Toggle selected items");
      checkbox2.addSelectionListener(new SelectionAdapter() {
         @Override
         public void widgetSelected(SelectionEvent event) {
            for (TableItem tableItem: table.getSelection()) {
               tableItem.setChecked(!tableItem.getChecked());
            }
         }
      });

      FormData fd3 = new FormData();
      fd3.left = new FormAttachment(table, 45, SWT.LEFT);
      fd3.top = new FormAttachment(table, 5, SWT.TOP);

      Button checkbox3 = new Button(shell, SWT.CHECK);
      checkbox3.setLayoutData(fd3);
      checkbox3.moveAbove(table);
      checkbox3.setToolTipText("Toggle all items");
      checkbox3.addSelectionListener(new SelectionAdapter() {
         @Override
         public void widgetSelected(SelectionEvent event) {
            for (TableItem tableItem: table.getItems()) {
               tableItem.setChecked(!tableItem.getChecked());
            }
         }
      });

      shell.pack();
      shell.open();
      while (!shell.isDisposed()) {
         if (!display.readAndDispatch())
            display.sleep();
      }
      display.dispose();
   }

}