DataView<ChangeType> legendsView = new DataView<ChangeType>("legend", legendDp) {
private static final long serialVersionUID = 1L;
@Override
public void populateItem(final Item<ChangeType> item) {
ChangeType entry = item.getModelObject();
Label changeType = new Label("changeType", "");
WicketUtils.setChangeTypeCssClass(changeType, entry);
item.add(changeType);
int count = stats.get(entry).intValue();