propertymodel is created with the _expression_ - new PropertyModel(object, _expression_) - new PropertyModel(persion, "address.city");

compound property models use component's id as an _expression_ - its basically a shortcut for propertymodels, so

page.setModel(new CompoundPropertyModel(new Person());
page.add(new Label("address.city"));
page.add(new Label("address.zipcode"));

is equivalent to

page.add(new Label("addr", new PropertyModel(person, " address.city")));
page.add(new Label("zip", new PropertyModel(person, "address.zipcode")));

there is a page on the wiki on models that talks about a lot of these

-Igor


On 9/25/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:

Hi,

        Iam working with the wicket treetable component and would like to know the following. How does the model know the propertyexpression for a component. I see that propertymodel, compoundpropertymodel and BoundCompoundPropertyModel.java  classes provide implementations of this method. I would like to know who calls these methods in the first place.

I would appreciate any help as Iam new to wicket and eager to know this.

Regards,

prakash

 

  

 

 

 

 

  



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