It seems like an "instanceof String" followed by downcasts and
String#compareToIgnoreCase should do the trick.
On Fri, Jun 24, 2011 at 12:30 AM, pragya.rawal <pragya.ra...@gmail.com>wrote:
> Hi,
>
> I have a DataView and I am sorting data column (on click of column header)
> inside it using my custom SortableTaskDataProvider which extends
> SortableDataProvider.
>
> So, I pass the property name (column) and DataView (list) and I get the
> list
> sorted on the basis of property.
>
> So, as per the default implementation of compareTo, it sorts Saring
> starting
> with Capital letters first and the the ones that start with lower case.
>
> I require to write a comparator which sorts irrespective of the case (upper
> or lower), but the problem I am facing is that the setSort() method
> provided
> by wicket takes the property name.
>
> Is there any way where I can specify that if the property is of type
> String,
> it should sort without considering the case.
>
> Below is my code for SortableTaskDataProvider
>
>
> public class SortableTaskDataProvider extends
> SortableDataProvider<BaseTaskModel> {
>
> private static final long serialVersionUID = 1L;
> private List<BaseTaskModel> list = new ArrayList<BaseTaskModel>();
>
> public SortableTaskDataProvider(List<BaseTaskModel> list) {
> super();
> setSort("createdBy", false);
> this.list = list;
> }
>
> @Override
> public Iterator<? extends BaseTaskModel> iterator(int first, int count)
> {
> List<BaseTaskModel> newList = new ArrayList<BaseTaskModel>(list);
>
> Collections.sort(newList, new Comparator<BaseTaskModel>() {
>
> @SuppressWarnings("rawtypes")
> @Override
> public int compare(BaseTaskModel o1, BaseTaskModel o2) {
> PropertyModel<Comparable> model1 = new
> PropertyModel<Comparable>(o1, getSort().getProperty());
> PropertyModel<Comparable> model2 = new
> PropertyModel<Comparable>(o2, getSort().getProperty());
>
> @SuppressWarnings("unchecked")
> int result =
> model1.getObject().compareTo(model2.getObject());
>
> if (!getSort().isAscending()) {
> result = -result;
> }
>
> return result;
>
> }
> });
> return newList.subList(first, first + count).iterator();
> }
>
> @Override
> public int size() {
> if (list == null)
> return 0;
> return list.size();
> }
>
> @Override
> public IModel<BaseTaskModel> model(final BaseTaskModel object) {
> return new AbstractReadOnlyModel<BaseTaskModel>() {
> private static final long serialVersionUID = 1L;
>
> @Override
> public BaseTaskModel getObject() {
> return object;
> }
> };
> }
> }
>
>
> Any pointers will be highly appreciated.
>
> Thanks,
> Pragya
> http://pragyarawal.co.cc
>
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