Scala "DSL" (was Re: [pivot] are there any tools to convert bxml to Java?)

[Clint Gilbert <cl...@hms.harvard.edu>]

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Hi Sandro,

I finally got my Scala wrapper in a not-too-embarrassing state.  You'll
find it attached to this message.

I must stress that I'm not a Scala or Pivot expert, just an average dev
with a decent-sized hobby project that uses Pivot, a bias against XML,
and a love of static typing.  The Scala abstractions could undoubtedly
be better, and the lib encodes many simplifying assumptions that are ok
for my app, will not be for others.

Still, I hope it's useful to someone.  The ScalaPivot object is
executable, and the Main class shows how things work:

> val window = new Window
> 
> import Implicits._
> 
> val text = label("Here's a label!") 
> 
> text onMouseOver {
>     println("You moused over the label")
> } 
> 
> text onMouseOut {
>     println("You moused out of the label")
> }
> 
> val pane = horizontal(
>     text,
>     button("Here's a button") {
>         println("You pushed the button!")
>     });
> 
> val list = listView("A value", "Another value", "Yet another value") { (index: Int, value: String) =>
>     println("You selected '" + value + "' (position " + index + ")")
> }
> 
> val input = textInput { self: TextInput =>
>     println("So far, you typed '" + self.getText + "'")
> }
> 
> window.setContent(vertical(pane, horizontal(list), horizontal(input)))
> 
> window.open(display)

This grew out of my need to solve certain small problems while porting
my hobby app from Java to Scala class-by-class.  It wraps the tiny slice
of Pivot that the UI part of my app uses most frequently.  A more
general, declarative DSL, perhaps similar to Scala's collection
"literal" syntax is possible with a little effort.


On 12/21/2010 04:46 AM, Sandro Martini wrote:
> 
> Hi Clint,
> I think your code could be really useful even to others (and to me, I like
> very much Scala :-) but too little time to make something real at the
> moment). If you want to post it here, probably it's the best place until
> we'll enable a pivot-contrib project or something similar.
> 
> Or if you are interested, for this or for other things (maybe later), we
> have some project on GoogleCode, so we can enable you to commit there, for
> example pivot-scala, pivot-stuff, etc ...
> 
> Thank you very much,
> Sandro
> 
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Re: unsubscribe

[Greg Brown <gk...@verizon.net>]

Send a message to user-unsubscribe@pivot.apache.org.

On Jan 6, 2011, at 10:08 AM, Marco.Hostos wrote:

> Please how unsuscribe??
>  
>  

unsubscribe

["Marco.Hostos" <ma...@aditiva.com>]

Please how unsuscribe??

 

 

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[Felix Eckhardt <Fe...@starfinanz.de>]

Re: Scala "DSL" (was Re: [pivot] are there any tools to convert bxml to Java?)

[Sandro Martini <sa...@gmail.com>]

Hi all,

@Calatus:
I think we really need some cases like yours to improve some parts of Pivot
... very good.
A simple way to  manage fast a typical CRUD application is a great feature
to have.

@Clint:
thanks for the sample, I'll try to look as soon as possible (but with my
slow timings :-) ), and don't worry I'm a Scala newbie, and you have already
do much than me with Pivot and Scala ... but it's definitely an area that I
(and Greg, and maybe others here) want to improve.
My problem here is that at the moment I haven't a real application to do
with Scala and Pivot, I hope to start to make something real with both in
the near future.

Greg, what do you think on grant Clint as committer (if he wants) on
Pivot-Scala (currently here: http://code.google.com/p/pivot-scala/ ) ?
So maybe we can start to define some elements to put there (what and how, as
a structure) ... or at least use these as a starting point (if Clint is not
against this).


Bye,
Sandro

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