header.addCellContent(T_column2);
header.addCellContent(T_column3);
header.addCellContent(T_column4);
VersioningService versioningService = new DSpace().getSingletonService(VersioningService.class);
Version version = versioningService.getVersion(context, Integer.parseInt(id));
Row row = table.addRow();
row.addCell().addContent(version.getVersionNumber());
row.addCell().addContent(version.getEperson().getEmail());
row.addCell().addContent(new DCDate(version.getVersionDate()).toString());
row.addCell().addContent(version.getSummary());
List fields = main.addList("fields", List.TYPE_FORM);
Composite addComposite = fields.addItem().addComposite("summary");
addComposite.setLabel(T_column4);