[Laszlo-user] few general questions (libraries, LDAP, compatibility, SVG)

[David Temkin]

Boris,

OpenLaszlo is primarily a client-side language that binds to server- 
side data and services. An OpenLaszlo client generally communicates  
with a server using XML over HTTP. Any server-side technology that  
can be used to support an Ajax client can also be used to support an  
OpenLaszlo client. The OpenLaszlo servlet is generally used at  
development time, and is not part of most OpenLaszlo deployment  
architectures.

OpenLaszlo 4, which is the first version to support DHTML, is still  
in its early days. With version 4.1, expected to be released in the  
next few  months, this will be the recommended release for all  
OpenLaszlo development. Until then we recommend version 3.3.3 for  
production use, and 4.0.x for early adopters who want to use DHTML  
support.

DHTML support is currently limited to the most popular browsers, and  
Opera is not on the "A" list. We support IE6/7, Mozilla 2.x, and  
Safari 2. Other browsers, including Opera, are considered "B" list  
browsers (they might work, but are not fully qualified). Generally a  
given application would be delivered to users either with Flash or  
with DHTML, not (as in our demos) in both. That is intended to demo  
the cross-runtime capability rather than as a realistic deployment  
option.

SVG: there is an experimental version of early support for this, but  
it is not supported.

I recommend taking a look at this application/white paper for more  
detail on OpenLaszlo 4 and its role in an end-to-end Web application.

http://weblog.openlaszlo.org/archives/2007/08/lzproject-an- 
openlaszlo-4-blueprint-application/

If you are considering OpenLaszlo for a serious application at FedEx,  
I recommend that you talk with the Laszlo sales team about support  
and services to help you reach your goal. Please write me directly if  
you'd like to go down this path.

best,

David Temkin
CTO & Founder, Laszlo Systems






On Aug 20, 2007, at 4:39 AM, Boris Callens wrote:

> Hi all,
>
> For a few weeks now I've been lurking around the Ol website and  
> mailinglist.
> Because of a few inconveniences with the current versions, I  
> haven't started investing any real time in actual development with  
> OL, but I am pretty interested in the whole concept. So please  
> enlighten me on some basic questions.
>
> My biggest current concern is the plugabillity (sp?). Is it  
> possible to use existing (java, .net) libraries in OL projects?
> One of the big requirements for a possible future project here  
> would be the requirement of LDAP compatibility. Is this possible as  
> of now?
> Is there a way to make the framework decide whether to use Flash or  
> DHTML? Current examples always seem to make the user make that  
> decision.
> Why do DHTML applications seem to lock up on Opera (9.23)? I  
> haven't had this experience with any other website but the old MS  
> teamworks websites.
> Is there any support of SVG in Laszlo already (I know, pretty  
> early, but please check this website:http://www.opera.com/products/ 
> desktop/svg/)?
>
> Thx in advance
> Boris Callens
> FedEx