On Wednesday 30 January 2008, Karen Schaper escreveu:
> Hello,
>
> I am using a SortableDataProvider with a DefaultDataTable.
>
> From my understanding, it seems that for every column that I wish to sort
> on, I need to add code to the iterator method of the
> data provider. None of the columns were sorting and when I added some code
> in the iterator method (see below) I was able to sort on the street column.
>
> Is this the best way to sort columns? I am using wicket 1.3.
it might be better to use that sorting info to get the data from the db in the
right sort order.
>
> Thanks Karen
>
> ********iterator method from a SortableDataProvider ************
>
> public Iterator iterator( int first, int count ) {
>
> final SortParam sp = getSort();
> EventList list = getInterruptionList();
> if ( sp.getProperty().equals("street") ){
> Collections.sort(list, new Comparator()
> {
> public int compare(Object arg0, Object arg1){
> if ( sp.isAscending() )
> return
> ((Interrupt)arg0).getStreet().compareTo(((Interrupt)arg1).getStreet());
> else
> return
> ((Interrupt)arg1).getStreet().compareTo(((Interrupt)arg0).getStreet());
> }
> });
> }
> return list.listIterator( first );
> }
>
>
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