1> because you dont have that detacheable list in the listview?? You
are just giving a ArrayList directly to the listview
2> i dont see exactly where you call getModelObject on in onsubmit but
i guess thats on page? Then it is loaded yes, this has nothing to do
with the listview model.
On 3/28/08, reikje <[EMAIL PROTECTED]> wrote:
>
> I have a rather specific question about a problem I am having. We have a
> domain object (OperatorSyncConfig) that we need to diplay in a page. That
> object contain a Set of FunctionSetting objects which I want to render in a
> ListView. For each ListItem (FunctionSetting) it should be possible to
> change the timeout value and then with one Form submit save the whole
> OperatorSyncConfig objects. Here is a snippet of the objects:
>
> public class OperatorSyncConfig implements Serializable
> {
> private Set<FunctionSetting> m_functionSettings = new
> LinkedHashSet<FunctionSetting>();
>
> public Set<FunctionSetting> getFunctionSettings()
> {
> return Collections.unmodifiableSet(new
> LinkedHashSet<FunctionSetting>(m_functionSettings));
> }
>
> .. no setter method for the set, just single add and remove accessors
> }
>
> public class FunctionSetting implements Serializable
> {
> private Long m_timeoutInMilliseconds;
> .. get and set for that
> }
>
>
> The WebPage looks in short like that:
>
> public class EditOperatorPage extends WebPage
> {
> LoadableDetachableModel model = new LoadableDetachableModel() { ... }
> // load the OperatorSyncConfig
> setModel(model);
>
> Form updateDeleteForm = new Form("updateForm") {
> @Override
> protected void onSubmit() {
> // getModelObject and save
> }
> };
>
> OperatorSyncConfig operatorSyncConfig = (OperatorSyncConfig)
> getModelObject();
> Set<FunctionSetting> settingsAsSet =
> operatorSyncConfig.getFunctionSettings();
> List<FunctionSetting> settings = new
> ArrayList<FunctionSetting>(settingsAsSet);
>
> updateDeleteForm.add(new ListView("operatorFunctionsList", settings)
> {
> @Override
> protected void populateItem(ListItem item)
> {
> FunctionSetting functionSetting = (FunctionSetting)
> item.getModelObject();
>
> item.add(new TextField("Timeout", new
> PropertyModel(functionSetting, "timeoutInMilliseconds")));
> }
> });
>
> ....
> }
>
> The problem is that in the onSubmit of the Form I will always get the "old"
> version of the OperatorSyncConfig since getPage().getModelObject() in there
> will trigger LoadableDetachableModel.load() and get the object from the
> Database. If I debug, I see that the new value for timeoutInMilliseconds is
> bound properly to the FunctionSetting object in the model of the ListItem.
> However, the model of the whole ListView contains an ArrayList which itself
> contains different FunctionSetting objects (not the ones contained in the
> Page model OperatorSyncConfig.getFunctionSettings()). By different I mean
> they are equal but different objects in memory.
>
> Question is:
> 1) why are there different FunctionSetting objects in the Page model and the
> ListView model
> 2) why does onSubmit() call load() on the DetachableModel if form values
> have been bound already
> --
> View this message in context:
> http://www.nabble.com/ListView-with-a-Set-instead-of-a-List-tp16349670p16349670.html
> Sent from the Wicket - User mailing list archive at Nabble.com.
>
>
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