RE: [WEB400] Web UI design vs 5250 UI design

["Joe Pluta" <joepluta@xxxxxxxxxxxxxxxxx>]

Yup, that's how I'd do it.  However, since I'm a tool guy, my preference is
to write a general scripting language that would allow me to interface to
any programs - that's my step 3.  It depends on the number of programs you
have to enable.

Joe


> -----Original Message-----
> From: web400-admin@midrange.com [mailto:web400-admin@midrange.com]On
> Behalf Of Buck Calabro
> Sent: Wednesday, August 08, 2001 12:37 PM
> To: web400@midrange.com
> Subject: RE: [WEB400] Web UI design vs 5250 UI design
>
>
> >There is an answer.  It's a staged approach:
> >1. Separate UI and business logic
>
> Hi Joe!
>   This first step is a doosy!  Let me start by saying that I am a complete
> novice when it comes to the Brave New eWorld, so rather than arguing, I am
> searching for answers... I hope I come across that way!
>
> If I have a 3 program Classic application (sounds better than "Legacy"):
> Enter/validate customer number (PGM1)
> Enter/validate order header (PGM2)
> Enter/validate order details (PGM3)
>
> Separating the UI from each program is easy enough - I've used the data
> queue method before when working with asynch devices like telephone
> switches.  Separating the UI from the _application_ is somewhat harder,
> because there is an implied relationship between the panels that PGM1
> displays and those that PGM2 displays.
>
> I suppose (typing whilst I think - ever dangerous!) that I could do the
> program-UI decoupling as step 1a, and then write my own single
> panel UI that
> "knows" about the individual RPG programs, and parses out the multiple
> buffers from RPG to the single "buffer" of the new UI.  Step 1b.
>
> Buck