{
      GridLayout layout = new GridLayout();
      layout.numColumns = 1;
      layout.verticalSpacing = 12;
      composite.setLayout(layout);

      GridData data = new GridData();
      data.verticalAlignment = GridData.FILL;
      data.grabExcessVerticalSpace = true;
      data.horizontalAlignment = GridData.FILL;
      composite.setLayoutData(data);
    }