hmm, interesting approach, thanks!
-igor
On Wed, Apr 23, 2008 at 12:58 PM, Peter Ertl <[EMAIL PROTECTED]> wrote:
> I suggest using Link<Void> when not using a model (-> java.lang.Void)
>
>
>
> Am 23.04.2008 um 19:14 schrieb Igor Vaynberg:
>
>
>
>
> > right. if you dont use the model inside a component then the generic
> > is pretty useless, so either do not declare it and add @SupressWarning
> > or simply Link<Object>. I often use Link with model object, so for me
> > the generic makes sense. It is just too bad java doesnt have a
> > shortcut to disable the generic without warnings so you can do Link<?>
> > foo=new Link<?>(...)
> >
> > -igor
> >
> >
> > On Wed, Apr 23, 2008 at 10:08 AM, Patrick Angeles
> > <[EMAIL PROTECTED]> wrote:
> >
> > >
> > > How often do people give models to components like Buttons and Links?
> Maybe
> > > the devs can consider alternate versions of these components that aren't
> > > generic and don't take a model (or assume IModel).
> > >
> > > My code is littered with Link declarations just to get rid of the
> compiler
> > > warnings :)
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Johan Compagner wrote:
> > >
> > > >
> > > > this is fine yes:
> > > >
> > > > TextField<String> tf = new TextField<String>(new
> > > > ResourceModel<String>("key"));
> > > >
> > > > the tf.getModel() returns a Model<String> else it cant and
> getModelObject
> > > > also returns a String.
> > > >
> > > > But i agree for a Button if you dont give a model to it it doesn't
> make
> > > > sense
> > > > But if you give a model it does make sense.
> > > >
> > > > But for a Textfield it makes sense that you generify it even without a
> > > > model
> > > > because it does inherit the model from its parent..
> > > >
> > > > so yes its a bit of a split what is nice and what you want to do.
> > > >
> > > > johan
> > > >
> > > >
> > > > On Tue, Apr 22, 2008 at 3:28 PM, mnwicket <[EMAIL PROTECTED]> wrote:
> > > >
> > > >
> > > > >
> > > > > Thanks Igor....not sure if you really answered what I was getting at
> > > > > though.
> > > > > I understand generics however there are cases in wicket where I'm
> > > > > wondering
> > > > > what is best practices.
> > > > >
> > > > > ie, using your example, a TextField using a ResourceModel, which way
> > > > > would
> > > > > you go;
> > > > >
> > > > > TextField<String> tf = new TextField<String>(new
> > > > > ResourceModel<String>("key"));
> > > > >
> > > > > or just
> > > > >
> > > > > TextField tf = new TextField(new ResourceModel<String>("key"));
> > > > >
> > > > > And what do you use as a generic with the following code block;
> > > > >
> > > > > class MyForm extends Form {
> > > > >
> > > > > public MyForm() {
> > > > >
> > > > > add(new AjaxButton('id', this));
> > > > >
> > > > > }
> > > > >
> > > > > }
> > > > >
> > > > >
> > > > >
> > > > > igor.vaynberg wrote:
> > > > >
> > > > > >
> > > > > > generic type on Component represents the type of the modelobject
> that
> > > > > > component will hold.
> > > > > >
> > > > > > eg TextField<Integer> tf=new TextField<Integer>(...);
> > > > > > means that tf.getModelObject() is of type Integer
> > > > > >
> > > > > > -igor
> > > > > >
> > > > > >
> > > > > > On Mon, Apr 21, 2008 at 5:30 PM, mnwicket <[EMAIL PROTECTED]>
> wrote:
> > > > > >
> > > > > > >
> > > > > > > Ok, so I starting messing around with the new generics version
> of
> > > > > > > wicket....and I guess I was a little confused as to how many
> generics
> > > > > > > there
> > > > > > > are. Silly question is when people are doing development are
> they
> > > > > > > turning
> > > > > > > off all generic warnings in eclipse...that is if you are using
> > > > > > >
> > > > > >
> > > > > eclipse?
> > > > >
> > > > > >
> > > > > > >
> > > > > > > I only ask because I come across components like TextField that
> takes
> > > > > > >
> > > > > >
> > > > > a
> > > > >
> > > > > >
> > > > > > > ResourceModel...I understand why the ResourceModel would use a
> > > > > > >
> > > > > >
> > > > > generic
> > > > >
> > > > > >
> > > > > > > but
> > > > > > > in this case am I forced to put <String> on the TextField.
> > > > > > >
> > > > > > > Another example is AjaxButton that is being added to a form,
> what
> > > > > > > generic do
> > > > > > > I use here? The forms object model type? What if the form
> doesn't
> > > > > > >
> > > > > >
> > > > > have
> > > > >
> > > > > >
> > > > > > > a
> > > > > > > model, say it is using a ValueMap that is a global member of the
> > > > > > > form...ie
> > > > > > > I've seen this usage in some login example of wicket.
> > > > > > >
> > > > > > > Just looking for some guidance here guys.
> > > > > > > --
> > > > > > > View this message in context:
> > > > > > > http://www.nabble.com/1.4-Generics-tp16819308p16819308.html
> > > > > > > Sent from the Wicket - Dev mailing list archive at Nabble.com.
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > > --
> > > > > View this message in context:
> > > > > http://www.nabble.com/1.4-Generics-tp16819308p16824264.html
> > > > > Sent from the Wicket - Dev mailing list archive at Nabble.com.
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > >
> > >
> > > --
> > > View this message in context:
> http://www.nabble.com/1.4-Generics-tp16819308p16834716.html
> > >
> > >
> > > Sent from the Wicket - Dev mailing list archive at Nabble.com.
> > >
> > >
> > >
> >
>
>
