Ohkay.. i've found a solution.. but i thinks not simple.. or "wicket"-like i
think... but its the only way to pass the new model to the "known"
propertyModel =/

now iam doing this in UserEdit.java

@Override
        protected void onModelChanged() {               
                final IModel<User> _model = (IModel<User>) 
this.getDefaultModel();
                
                visitChildren(new IVisitor<Component>() {

                        @Override
                        public Object component(Component component) {
                                PropertyModel<User> cpm =
((PropertyModel<User>)component.getDefaultModel());
                                PropertyModel<User> newCpm = new 
PropertyModel<User>(_model.getObject(),
cpm.getPropertyExpression());
                                //cpm.setObject(_model.getObject());
                                component.setDefaultModel(newCpm);
                                
                                
                                component.modelChanging();                      
        
                                
                                return component;
                        }
                });
                
        }

its to dirty i think.. or isn't it?


Thanks for any Help in Advance!




Martin U wrote:
> 
> Its not easy to find the right topic, but i will try to explain my problem
> as best as i can.
> 
> I want to display an user-detail View (User is an BusinessObject in my
> Application) inside a specific Modal window.
> 
> 
> So at the rendering of the Site i place an "empty" or dummy UserObject
> inside my UserEdit-Panel and later if the user choose one specific user
> from
> a Table i want to replace this dummy-Model with the clicked-User-Model.
> 
> public class UserEdit extends Panel {
> 
>     /**
>      * @param id
>      * @param model
>      */
> 
>     private IModel<User> model;
>     CompoundPropertyModel<User> cpm;
> 
>     public UserEdit(String id, IModel<User> _model) {
>         super(id, _model);
> 
>         this.model = _model;
> 
>         init();
>     }
> 
>     private void init(){
> 
>         cpm = new
> CompoundPropertyModel<User>(this.getDefaultModelObject());
> 
>         this.add(new TextField("lastname",  cpm.bind("lastName")) );
>     }
> }
> 
> I dont know if its the right choice to  use a cpm ... but i think its the
> proper way right?
> 
> The UserEdit is the "content" of my ModalWindow implementation so i bore
> up
> the "show" method with a new Model-Parameter to delegate them to the
> Inside
> Content...
> 
> (inside ModelOverlay.class)
> 
> public void show(final AjaxRequestTarget target, IModel<T> model)
> {
>         if (shown == false)
>         {
>             getContent().setVisible(true);
>             getContent().setDefaultModel(model);  // <- my new Line ;o)
>             target.addComponent(this);
>             target.appendJavascript(getWindowOpenJavascript());
>             shown = true;
>         }
> }
> 
> The Model inside "UserEdit" is changed. But how can i archieve that the
> lastname-Textfield now displays the Value of getLastName() from the new,
> submitted Model?
> In my opinion i tried everything... tried to override the
> "onModelChange"-Event and tryed to set the new Model with an Visitor of
> every childfield... but than i
> lost my "expression" from the CPM and only
> pages.adminuserpage$u...@17eea10is shown inside the Textfield.
> 
> Thanks for any help. Am i totally lost.. or am i on the right way and few
> steps before the solution?
> 
> I hope you understand my problem... if not so tell me and i will try to
> explain it in another way or even better...
> 
> 
> Apologise my english, its not my mothers tongue!
> 
> - Martin
> 
> 

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