On Mar 3, 7:30 am, Saikat Chakrabarti <[email protected]> wrote:
> Is it possible to somehow make the widgets in a with-flow appear in
> locations other than the widget specified at the start? For example,
> if I want to make a flow where clicking submit on a form causes a
> login-form to appear as a dialog, and then logging in on that dialog
> causes the original form to be replaced by some other widget, is this
> possible with a with-flow? I tried doing something similar with:
>
> (with-flow root-widget
> (if (yield root-widget)
> (if (yield (do-page (make-instance 'login-manager)))
> (yield (make-main-page))))))))
DO-PAGE doesn't return a widget, but YIELD expects it to.
Try this:
(with-flow root-widget
(if (yield root-widget)
(if (yield (make-instance 'login-manager))
(yield (make-main-page))
(yield (make-other-page))))))))
And let LOGIN-MANAGER call ANSWER with T if you want the
main page next and NIL if you want the other page next.
Of course you can make even more distinctions as needed.
Let me know if it's clear to you now and I will help you to understand
what's going on.
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