Thanks a lot for your helps, Martin. I will give it a try.
On Fri, Aug 6, 2010 at 12:14 PM, Martin Makundi <
martin.maku...@koodaripalvelut.com> wrote:
> Use a reusemanager that manages the rawinput values.
>
> public class FormComponentReuseManager implements Serializable {
> private final Map<Object, Map<String, Component>> idMapRow = new
> HashMap<Object, Map<String, Component>>();
>
>
> /**
> * @param <S>
> * @param <T>
> * @param rowId
> * @param componentId
> * @param newComponent
> * @return FormComponent
> */
> @SuppressWarnings("unchecked")
> public <S, T extends FormComponent<S>> T rememberOrReuse(Object
> rowId, String componentId, T newComponent) {
> return (T) rememberOrReuse(rowId, componentId, (Component)
> newComponent);
> }
>
>
> /**
> * @param <T>
> * @param rowId
> * @param newComponent
> * @return FormComponent
> */
> public <T extends Component> T rememberOrReuse(Object rowId, T
> newComponent) {
> return rememberOrReuse(rowId, newComponent.getId(), newComponent);
> }
> /**
> * @param <T>
> * @param rowId
> * @param componentId
> * @param newComponent
> * @return FormComponent
> */
> public <T extends Component> T rememberOrReuse(Object rowId, String
> componentId, T newComponent) {
> Map<String, Component> rowMap = createOrReuse(rowId);
>
> @SuppressWarnings("unchecked")
> T existingComponent = (T) rowMap.get(componentId);
>
> if (newComponent instanceof FormComponent) {
> // Never reuse the component itself, just reuse the
> rowMap.put(componentId, newComponent);
>
> if (existingComponent != null) {
> WicketUtils.fakeRawInput((FormComponent<?>)newComponent,
> (FormComponent<?>)existingComponent);
> // Transfer also the error messages
> for (FeedbackMessage feedbackMessage :
> Session.get().getFeedbackMessages().messages(new
> ComponentFeedbackMessageFilter(existingComponent))) {
> WicketUtils.replaceReporter(feedbackMessage,
> (FormComponent<?>) newComponent);
> }
> }
>
> return newComponent;
> }
>
> // else
> if (existingComponent == null) {
> rowMap.put(componentId, newComponent);
> return newComponent;
> }
>
> // else
> return existingComponent;
> }
>
> /**
> * @param rowId
> * @return Map<String, FormComponent>
> */
> private Map<String, Component> createOrReuse(Object rowId) {
> Map<String, Component> rowMap = idMapRow.get(rowId);
>
> if ((rowMap == null) && (rowId instanceof AbstractDTO) &&
> (((AbstractDTO) rowId).getId() != null)) {
> rowId = ((AbstractDTO) rowId).getId();
> rowMap = idMapRow.get(rowId);
> }
>
> if (rowMap == null) {
> rowMap = new HashMap<String, Component>();
> idMapRow.put(rowId, rowMap);
> }
>
> return rowMap;
> }
>
> /**
> *
> */
> public void clear() {
> idMapRow.clear();
> }
>
> /**
> * @param <S>
> * @param <T>
> * @param key
> * @param formComponent
> * @param behaviors
> * @return T
> */
> public <S, T extends FormComponent<S>> T
> rememberOrReuseAndProvideFeedback(
> Object key, T formComponent, IBehavior... behaviors) {
> return rememberOrReuseAndProvideFeedback(key,
> formComponent.getId(), formComponent, behaviors);
> }
> /**
> * @param <S>
> * @param <T>
> * @param key
> * @param id
> * @param formComponent
> * @param behaviors
> * @return T
> */
> public <S, T extends FormComponent<S>> T
> rememberOrReuseAndProvideFeedback(
> Object key, String id, T formComponent, IBehavior... behaviors) {
> formComponent.add(behaviors);
> formComponent.setOutputMarkupId(true);
> return rememberOrReuse(key, id, FeedbackStyler.add(formComponent));
> }
> }
>
>
> **
> Martin
>
> 2010/8/6 Duy Do <doquoc...@gmail.com>:
> > Hi all,
> >
> > For the moment I can add/remove a form component in RepeatingView on the
> > fly, but every time I add or remove a form component, the model values of
> > previous form component are lost. How can I keep them in RepeatingView?
> >
> > Thanks,
> > Duy
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>
