Hi there,
I've not been very involved with LedgerSMB development so far, since I'm not really a Perl guy, but I have in fact been considering starting a project to build a modern _javascript_ app as a replacement for the current LSMB interface.
I think the two best framework choices for this at the moment are Angular or Ember.js. I'm really impressed about what the Discourse guys have managed to accomplish with Ember.js (the forum at http://try.discourse.org/ is in fact a single page app, but it does certainly not feel like it).
I have built a few apps with Ember, so that would be my choice, but no matter what _javascript_ framework is picked, I am willing to help out build it.
On 30/07/2013, at 15.13, Brian Wolf < ..hidden..> wrote:
John makes some good points.
>>it's pretty trivial to switch between a menu bar and a tree widget.
I've developed with Dojo and can validate John's statement. It
also us the ability to provide multiple themes or layouts, letting
each installation choose the one they want to use.
Sounds like we're in agreement that substantial progress can
be made in upgrading the user experience, and that a
_javascript_ library like Dojo is a good place to start.
One-page applications have the advantage of a more
desktop-application-like experience, with less page
refreshes (a visual encumbrance). However, my experience is
that one-page apps can easily become heavy and are far more
difficult to test (case set-up alone is tedious). One
gigantic page may not be the answer, but several medium-size
pages (one for each area of the app) may be a reasonable
compromise. It facilitates testing and also independent
development by various community members.
Thanks.
Brian
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Brian Wolf
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On 07/30/2013 05:34 AM, herman vierendeels wrote:
I would like to have dojo added to current trunk.
so we can 'probably try out a few different paradigms'
By the time we ever reach production-stage , history-api might be
fully implemented in all browsers
http://www.w3.org/TR/html5/browsers.html#dom-history-replacestate
2013/7/29 John Locke <..hidden..>:
On 07/29/2013 07:36 AM, Brian Wolf wrote:
Perhaps the "common denominator" of an area of the application. For
example, in AR lots of functionality surrounds the customer; in AP,
the vendor. There's probably much overlap in selecting an entity,
viewing (perhaps a dashboard) basic information about it, and
performing operations on that entity (eg, receiving a payment). It
might be effective to have a one-page for a specific area of the
application.
On 07/29/2013 09:49 AM, Chris Travers wrote:
One thing I would ask is that if we go with a multi-page design, what
are the aspects of one-page design that we should be looking into
incorporating?
I think the natural place to start is with overview lists -> detail
views. In many cases, being able to see multiple transactions at once is
very helpful. Having some panes for viewing/editing data, possibly some
modal dialogs for data entry, and similar can be really helpful.
I've got a pretty sizeable single-page app we use for much of our
business, but it keeps the page paradigm -- pages get loaded into tabs
which may be opened or closed. We've pretty much ignored the challenges
Brian pointed out with state across refreshes -- as an internal app, we
just take you back to a launch tab on refresh, you have to open up
whatever you need. I did have a browser history manager partially
implemented that would re-open tabs you had closed when you hit the back
button -- but it wasn't high enough value for us to get fully working.
In any case, converting the multiple pages into more usable standalone
pages is clearly the next step. I think it's eventually worth
experimenting with single-page apps, but not necessarily immediately,
and make sure whatever UI we come up with ends up with a consensus
before making it official -- probably try out a few different paradigms
and see what we all like. Whatever we do, I think the app should be able
to fall back to multiple pages, e.g. with js off, or with a lighter UI
version for mobile, or whatever.
Brian mentioned earlier a drop-down menu instead of a tree -- I was
planning to just replace the current tree with a Dojo tree, which does
use a cookie to remember previous state of expand/collapse. This seems
like a really good place to start our experiments -- once we have the
menu in a store, it's pretty trivial to switch between a menu bar and a
tree widget.
So is there any further objection to adding Dojo to the current trunk?
The version I've put in my git repo does currently weigh in at 62M --
though currently it's adding around 140K to the page loads I've set up
so far...
Happy to see a few other developers on the list with Dojo experience!
Cheers,
John Locke
http://www.freelock.com
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