I must be being stupid, because your point is still completely lost on me. I don't know how one would talk about ExtJS (which is a feature rich UI library with model based functionality built in) in the same context as dedicated MVC-type frameworks with a tiny footprint (like ember.js, backbone.js and knockout.js).

Either you are using an MVC framework or you aren't - but if you are, I still don't understand where the "lots of extra typing and chances for things to get out of sync structurally" comes into play?

That said - the point is moot I guess. It is proving very useful and efficient for us to use something that allows updates to a model to be automatically reflected in the UI (and vice versa) without bloating the JavaScript with bespoke code per function. Not everyone will see this as a good thing for their own solutions.

-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Aaron Bartell
Sent: 11 January 2013 20:46
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] Single Page Web Web Apps

ExtJS. Basically I won't want to have to redefine my columns to any extent in json stores except for mapping them to a column.


Aaron Bartell
www.MowYourLawn.com/blog
www.OpenRPGUI.com
www.SoftwareSavesLives.com


On Fri, Jan 11, 2013 at 2:38 PM, Kevin Turner
<kevin.turner@xxxxxxxxxxxxxxx>wrote:

I don't think I quite follow you Aaron. Under what circumstances do
you have to keep recreating model structures? Perhaps more to the
point, which model framework has caused you to do so?

On 11 Jan 2013, at 19:32, "Aaron Bartell"
<aaronbartell@xxxxxxxxxxxxxxx>
wrote:

The thing I don't like about some of the Javascript "model"
frameworks is that it isn't reflective in nature and instead I have
to recreate my
model
structure within Javascript (i.e. lots of extra typing and chances
for things to get out of sync structurally).

Aaron Bartell
www.MowYourLawn.com/blog
www.OpenRPGUI.com
www.SoftwareSavesLives.com


On Fri, Jan 11, 2013 at 1:18 PM, Kevin Turner
<kevin.turner@xxxxxxxxxxxxxxx>wrote:

Ajax = XHR = xmlhttprequest

To be honest I would be surprised to see any app these days that
don't
use
it,

Knockout looks similar to ember by the looks of it.

On 11 Jan 2013, at 17:56, "Vernon Hamberg"
<vhamberg@xxxxxxxxxxxxxxx>
wrote:

This can be done nicely with Ajax - a former colleague does it all
the time, as I recall.

On 1/11/2013 11:52 AM, Bradley Stone wrote:
Sounds like another case of complicating something to make it easier.
:)

Brad
www.bvstools.com


On Fri, Jan 11, 2013 at 8:06 AM, Kevin Turner
<kevin.turner@xxxxxxxxxxxxxxx>wrote:

If you mean a web app that only has one initial page, then just
replaces
the "viewport" area of the page as the user navigates around
(using
xhr or
websockets) then yes, Renaissance works that way. If you don't
mean
that,
then I don't know what you mean (until I read up on something
like
knockout
of course).

Renaissance 6.0 makes use of requirejs (http://requirejs.org/)
and
ember (
http://emberjs.com/)


-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:
web400-bounces@xxxxxxxxxxxx]
On
Behalf Of Richard Schoen
Sent: 11 January 2013 13:45
To: web400@xxxxxxxxxxxx
Subject: [WEB400] Single Page Web Web Apps

Has anyone adopted this style of developing tight web apps ?

Seems like there is a new js framework called knockout that can
be
used
for this.

jQueryMobile supports something similar.

Regards,
Richard Schoen
RJS Software Systems Inc.
Where Information Meets Innovation Document Management,
Workflow, Report Delivery, Forms and Business Intelligence
Email: richard@xxxxxxxxxxxxxxx<mailto:richard@xxxxxxxxxxxxxxx>
Web Site:
http://www.rjssoftware.com<http://www.rjssoftware.com/>
Tel: (952) 736-5800
Fax: (952) 736-5801
Toll Free: (888) RJSSOFT

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PO15 5TT

Company Registration Number 5021022.
Registered Office:
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Southampton, UK
SO15 2EA
VAT Registration Number 834 1020 74.
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