looks fine, the only minor tweak i would do is that since the check
box model is inner nonstatic class it probably has access to the
selected set already, so prob no need to pass it in.
-igor
On Jan 8, 2008 3:46 AM, Alan Romaniuc <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> A dummy question, or suggestion... I am new to Wicket and i trying to
> understanding it.
>
> I have a form with a Paginated DataView and I would like to use checkbox
> (something like "old" WebMails) to select rows, and a delete button, so
> I can delete multiple lines at a time.
>
> Right now I am doing something like this:
>
> /////////////////////////////////////////////////CODE/////////////////////////////////////////////////////////////
> public class InfoList extends WebPage {
> ......
> Form f = new InfoDataForm("form",infoProvider);
>
> private class InfoDataForm extends Form {
>
> SortableDataProvider dp;
>
> HashSet<Long> selectedValues = new HashSet<Long>();
>
> ChequeListForm(String id, SortableDataProvider dp) {
>
> super(id);
> this.dp = dp;
>
> final DataView infoDataView = new DataView("infoList", dp) {
> @Override
> protected void populateItem(Item item) {
> Info info = (Info) item.getModelObject();
> item.add(new CheckBox("check", new
> SelectItemUsingCheckboxModel(info,selectedValues)));
> item.add(new Label("data1", info.data1()));
> item.add(new Label("data2", info.data2()));
> }
> }
>
> add(infoDataView);
>
> @Override
> protected void onSubmit() {
> super.onSubmit();
> for (Long i: selectedValues) {
> System.out.println(i);
> //delete rows here
> }
> }
> }
>
>
> private class SelectItemUsingCheckboxModel extends
> AbstractCheckBoxModel {
>
> private final Info info;
> private Set selection;
>
> public SelectCheckByChequeModel(Info info, Set selection) {
> this.info = info;
> this.selection = selection;
> }
>
> @Override
> public boolean isSelected() {
> return selection.contains(info);
> }
>
> @Override
> public void select() {
> selection.add(info);
> }
>
> @Override
> public void unselect() {
> selection.remove(info);
> }
> }
> }
>
> //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
> I believe that I used the dataview and dataprovider correctly, but I am
> not sure about
> checkbox...
> Once I am learning, I would like to know if this is "the correct way" to
> do that, or if not,
> what I should do...
>
>
> Thanks a lot
>
>
>
>
>
>
>
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