Thanks Alex,
I'll keep those tips in mind while I go over the app/er.l ... I'll revert
if I have more questions (I have a feeling I will :) )
Regards,
Kashyap


On Wed, Sep 11, 2019 at 10:25 PM Alexander Burger <a...@software-lab.de>
wrote:

> Hi Kashyap,
>
> > I'll take a look at app/gui.l
>
> Yes, I think it is a very typical example. In general, I would say that
> search
> dialogs are *the* central issue.
>
> Whenever I add a new entity class to an application, I first think about
> how
> objects of that entity will be needed to be searched at runtime, and then
> do
> three things:
>
>    1. Add the class definition with proper index and joint relations to
> the E/R
>       file.
>    2. Write a search dialog allowing
>       — the search for such objects with the right filter criteria
>       — srcolling through the list of results in a chart
>       — clicking on "@" in the result list to either
>          — jump to the edit form of that object, or
>          — take that object and insert into the context of another form
>       — pressing a "New" button to make a new object if nothing useful
> found
>    3. Write an edit form for such objects.
>
>
> > Is there some documentation you could point me to for the format of the
> > value in url> ?
>
> Not that I'm aware of it. This method returns a a list to the path to the
> standard edit form for that class, and further arguments, by convention
> passing
> the object in the '*ID' global and the initial tab in the '*Tab' global if
> desired:
>
>    (dm url> (Tab)
>      (and (may Customer) (list "app/cusu.l"  '*Tab Tab  '*ID This)) )
>
> The (may ...) expression is for permission check. In general 'url>'
> returns NIL
> if the object is not editable.
>
> ☺/ A!ex
>
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