IStructuredSelection selection= (IStructuredSelection) fTableViewer.getSelection();
Iterator elements= selection.iterator();
while (elements.hasNext()) {
TemplatePersistenceData data= (TemplatePersistenceData) elements.next();
data.revert();
}
fTableViewer.refresh();
selectionChanged1();
fTableViewer.setChecked(getEnabledTemplates(), true);