Thanks.
It seems I overlooked the findParent method...
But I have another question.
Is it a good idea to add the validator-binding-code in onBeforeRender() ?
Yes , in Wicket 2 , the hierarchy is known at construction time .
But in wicket 1.2 , is there any better way to solve it ?
2006/6/15, Eelco Hillenius <[EMAIL PROTECTED]>:
> Why not use findParent(Form.class)? Or pointer.findParent(Form.class)?
>
> A method like onParentAssigned would only partially solve the problem,
> as that gives no guarantees to the parents of the parents. It'll get
> even messier probably. Furthermore, we don't need it in 2.0 anymore,
> as in 2.0 the hierarchy is known at construction time.
>
> Eelco
>
>
> > Hi , the below is the method that I thought ,
> > I think it can combine form.add(myDatePicker) and
> > form.add(myDatePickerValidator)
> >
> >
> > public class MyDatePicker extends Panel
> > {
> > private boolean validatorAdded = false;
> > .......................
> > .... skipped.......
> > ......................
> >
> > @Override
> > protected void onBeforeRender()
> > {
> > super.onBeforeRender();
> >
> > if (!validatorAdded)
> > {
> > MarkupContainer pointer = this;
> > while (pointer.getParent() != null)
> > {
> > MarkupContainer markupContainer = pointer.getParent ();
> > if (markupContainer instanceof Form)
> > {
> > Form form = (Form) markupContainer;
> > form.add(new MyDatePickerValidator(this));
> > validatorAdded=true;
> > break;
> > }
> > pointer = pointer.getParent();
> > } //while
> > } //if
> > } //onBeforeRender()
> > } //class
> >
> > By this way , other programmers just need form.add(myDatePicker) , doesn't
> > need to know it needs other validators.
> > I think it is a little tricky (and dumb) , but I cannot find other ways to
> > solve this.
> >
> > Any better idea ?
> >
> > BTW , I suggest the following method :
> >
> > Compoment.onParentAssigned(Compoment parent);
> > If there is this method , I can easily solve this problem , needn't to do
> > the tricky onBeforeRender()...
> >
> >
> >
> >
> > _______________________________________________
> > Wicket-user mailing list
> > Wicket-user@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/wicket-user
> >
> >
> >
>
>
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