The problem is that the components are being generated in a loop. Calling
getComponent("password1") won't work if the component named "password1" is
in a loop and there are 10 of them.
-Chris
On 10/10/05, Gregor Melhorn <[EMAIL PROTECTED]> wrote:
>
> Hello Chris,
>
> I don't understand the problem, I guess, since it seams quite simple
> to me...
>
> If you want to check two fields: Why don't you just check the values
> in the form listener using a validation delegate?
>
> If I want to check on the password and password confirmation field,
> I'd do it like that:
>
> public IPage onSubmit() {
> ValidationDelegate delegate = getDelegate();
>
> if ((getPassword1() != null) && (getPassword2() != null) &&
> (!(getPassword1().equals(getPassword2())))){
> delegate.setFormComponent((IFormComponent) getComponent("password1"));
> delegate.recordFieldInputValue(null);
> delegate.record("errormessage", null);
> delegate.setFormComponent((IFormComponent) getComponent("password2"));
> delegate.recordFieldInputValue(null);
> delegate.record("errormessage", null);
> return null;
> }
>
> if (delegate.getHasErrors()) {
> return null;
> }
> // continue listener...
>
> }
>
> Best regards
> Gregor
>
> am Montag, 10. Oktober 2005 um 22:15 schrieben Sie:
>
> > It is 4 months later and I still haven't come up with a solution for
> this. I
> > gave up on it back then and somebody else has come to me trying to solve
> the
> > problem. Things have changed since we are now using Tapestry 4, so the
> info
> > about the defer component is out of date, but the situation is about the
> > same. I need to perform validation that depends on two fields' inputs.
> How
> > do I do this?
>
> > -Chris
>
> > On 6/2/05, Chris Norris <[EMAIL PROTECTED]> wrote:
> >>
> >> I'm going to try to boil this down to the neccesities. If it doesn't
> >> make sense, I'll provide some code.
> >>
> >> I have a Foreach loop inside of a form. The loop generates a couple of
> >> sets of FieldLabel/ValidField components*.
> >>
> >> The problem is that two of the fields' validation depend on each other.
> >> If both fields are empty, they both need to be marked as errored so
> that
> >> the error markup will be written. If one or the other has a value, they
> >> are both valid. Can someone point me in the best direction for this?
> >>
> >> My first thought was to record the name of the ValidField component
> when
> >> the page was getting the value for it. I would get the names, something
> >> like validComponentName and validComponentName$0. At form rewind time,
> >> though, I couldn't figure out how to get the components given those
> >> names and set them in error. It seems impossible, given that getName()
> >> will always return the most recent name generated for the component. I
> >> tried going through the ValidationDelegate's FieldTrackings and going
> >> through the map returned by getComponents(), neither of which worked
> >> very well.
> >>
> >> My next option was going to be to make a special validator for this
> >> purpose. It would have to be a page property rather than a bean so that
> >> the same validator would be used for both ValidFields. All of these
> >> approaches seem ugly to me. Ideas? Directions?
> >>
> >> -Chris
> >>
> >>
> >> *uses a Defer type component to take care of the off by one validation
> >> error. the Defer component wraps a FieldLabel and takes in a block that
> >> contains a ValidField:
> >> protected void renderComponent(IMarkupWriter writer, IRequestCycle
> >> cycle)
> >> {
> >> IMarkupWriter nested = writer.getNestedWriter();
> >> getBlock().renderBody(nested, cycle);
> >> renderBody(writer, cycle);
> >> nested.close();
> >> }
> >>
> >>
> >>
>
>
>
> --
> Mit freundlichen Grüßen
> Gregor Melhorn
> mailto:[EMAIL PROTECTED]
>
>
>
>
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