Bug 128317 group header and footer checkboxes
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/GroupDialog.java
TabItem filterItem = new TabItem( tab, SWT.NONE );
		FormPage filterPage = new FormPage( tab,
				FormPage.NORMAL_FUNCTION,
				new FilterHandleProvider( ) {
					public int[] getColumnWidths( )
					{
						return new int[]{
								200, 100, 100, 100
						};
					}
				} );
		filterPage.setInput( list );
		filterItem.setText( TAB_FILTER );
		filterItem.setControl( filterPage );
		TabItem sortItem = new TabItem( tab, SWT.NONE );
		FormPage sortPage = new FormPage( tab,
				FormPage.NORMAL_FUNCTION,
				new SortingHandleProvider( ) {
					public int[] getColumnWidths( )
					{
						return new int[]{
								200, 100
						};
					}
				} );
		sortPage.setInput( list );
		sortItem.setText( TAB_SORTING );
		sortItem.setControl( sortPage );
	}