Still, this is not what I'm asking for.
class Component {
...
public Component setModel(final IModel model)
{
...
// If a compound model is explicitly set on this component
if (model instanceof CompoundPropertyModel)
{
// we need to remember this for getModelObject()
setFlag(FLAG_HAS_ROOT_MODEL, true);
}
... }
}
I don't understand, why in setModel function, the FLAG_HAS_ROOT_MODEL is
set only if model is instanceof CompoundPropertyModel.
Should it be
if (model instanceof ICompoundModel)
{
// we need to remember this for getModelObject()
setFlag(FLAG_HAS_ROOT_MODEL, true);
}
?
Because in your example, the form won't have this flag set unless the
MyCompoundModel is derived from CompoundPropertyModel (just implementing
ICompoundModel is not enough)
So initModel of the text field won't succeed, because Form has no root
model, if MyCompoundModel isn't derived from CompoundPropertyModel.
-Matej
Johan Compagner wrote:
Form form = new Form();
form.setModel(new MyCompoundModel); // set a compound model so it is
the root!
TextField tf = new TextField(); // no model!
then tf.initModel() will get the forms model and use it as its own BUT
it is not the root.
johan
On 11/14/05, *Matej Knopp* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
Sorry, I still don't understand.
What shoud I do if I want to have my own compound model, that is not
derived from CompoundPropertyModel? Why is in Component#setModel a
check, whether the model is instance of CompoundPropertyModel
instand of
ICompoundModel?
-Matej
Johan Compagner wrote:
> No because components can have a ICompoundModel but not be the
root because
> they got there model from the root. (see initModel())
>
> johan
>
>
>
> On 11/14/05, *Matej Knopp* <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>>> wrote:
>
> Hi.
>
> In Component class, the flag FLAG_HAS_ROOT_MODEL is set only
if the
> model is CompoundPropertyModel. Why do we have ICompoundModel
then?
>
> Shouldn't it only check if the model implements ICompoundModel?
>
> -Matej
>
>
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