// nothing to do: headers are modified in table
}
private Composite createHeaderTable(Composite parent, GridData gd, int heightInRows) {
final Composite rootControl = new Composite(parent, SWT.NONE);
final TableColumnLayout tcl = new TableColumnLayout();
rootControl.setLayout(tcl);
tableViewerHeaders = new TableViewer(rootControl, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
tableViewerHeaders.setContentProvider(new HeaderTableContentProvider());
tableViewerHeaders.addSelectionChangedListener(createSelectionChangedListener());