Bruno,
Yet another idea for the dsl:
def ldm[R, ID](id: ID = null, f: (ID) => R) = {new
LoadableDetachableModel(id) { override def load() : R = { f(id); } } }
P.S. Not tested.
On Thu, Jul 28, 2011 at 9:07 AM, Bruno Borges <bruno.bor...@gmail.com> wrote:
> Just wanted to share my experience playing a little more with Scala and
> Wicket> A few minutes ago I got this excelent code:
>
> I know it is too simple, and it can be accomplished as well in Java with
> static imports. But still, for my project it's being great (and cool) to do
> such things.
>
> object btnEditar extends Button("btnEditar") {
> override def onSubmit() = {
> - /* show fields */
> - camposForm.setVisibilityAllowed(true)
> - btnSalvar.setVisibilityAllowed(true)
> - cancelar.setVisibilityAllowed(true)
> -
> - /* hide them */
> - camposTela.setVisibilityAllowed(false)
> - btnEditar.setVisibilityAllowed(false)
> + show(camposForm, btnSalvar, cancelar)
> + hide(camposTela, btnEditar)
> }
> }
> add(btnEditar)
>
> Methods show/hide are imported as "import code.DSLWicket._"
>
>
>
> *Bruno Borges*
> www.brunoborges.com.br
> +55 21 76727099
>
>
>
> On Wed, Jul 27, 2011 at 4:53 PM, Bruno Borges <bruno.bor...@gmail.com>wrote:
>
>> Thanks Martin,
>>
>> There was only a small little problem in your code. The correct syntax is:
>>
>> def label[T](id: String, model: IModel[T] = null): Label = { val label
>> = new Label(id, model); add(label); label }
>>
>> The suggestions were updated on Gist.
>>
>> *Bruno Borges*
>> www.brunoborges.com.br
>> +55 21 76727099
>>
>>
>>
>> On Wed, Jul 27, 2011 at 3:55 PM, Martin Grigorov <mgrigo...@apache.org>wrote:
>>
>>> Idea for simplification: use named parameters.
>>> For example
>>> def label[T](id: String, model: IModel[T]): Label = { val label = new
>>> Label(id, model); add(label); label }
>>> would become
>>> def label[T](id: String, model = _ : IModel[T]): Label = { val label =
>>> new Label(id, model); add(label); label }
>>>
>>> this way you'll have just one declaration of label function which will
>>> handle the current three
>>>
>>> additionally you may add a pimp:
>>> implicit def ser2model[S :< Serializable](ser: S): IModel[S] =
>>> Model.of(ser)
>>>
>>> now even when you pass String as second param to label() it will be
>>> converted to IModel
>>>
>>> On Wed, Jul 27, 2011 at 9:11 PM, Martin Grigorov <mgrigo...@apache.org>
>>> wrote:
>>> > Take a look at scala.swing.* sources.
>>> >
>>> > On Wed, Jul 27, 2011 at 8:34 PM, Bruno Borges <bruno.bor...@gmail.com>
>>> wrote:
>>> >> Can some Scala expert help me to make this DSL available as PML (pimp
>>> my
>>> >> library)?
>>> >>
>>> >> I've tried to code it that way but things didn't quite worked out the
>>> way
>>> >> they should.
>>> >>
>>> >> The reason is that for every Wicket object I create, I must extend the
>>> trait
>>> >> DSLWicket
>>> >>
>>> >>
>>> >>
>>> >> *Bruno Borges*
>>> >> www.brunoborges.com.br
>>> >> +55 21 76727099
>>> >>
>>> >>
>>> >>
>>> >> On Wed, Jul 27, 2011 at 2:30 PM, Bruno Borges <bruno.bor...@gmail.com
>>> >wrote:
>>> >>
>>> >>> Not really.
>>> >>>
>>> >>> The method onSubmit() of button is void, as well onClick(), so there's
>>> no
>>> >>> need for the function be passed as () => Unit or anything else.
>>> >>>
>>> >>> I made a few changes to it and updated on Gist.
>>> >>>
>>> >>> I've also uploaded a page that uses this DSL at
>>> >>> https://gist.github.com/1109919
>>> >>>
>>> >>> Take a look
>>> >>>
>>> >>> *Bruno Borges*
>>> >>> www.brunoborges.com.br
>>> >>> +55 21 76727099
>>> >>>
>>> >>>
>>> >>>
>>> >>> On Wed, Jul 27, 2011 at 2:22 PM, Scott Swank <scott.sw...@gmail.com
>>> >wrote:
>>> >>>
>>> >>>> I think you do want Unit, which as I understand it is closest
>>> >>>> equivalent to "void" in Scala.
>>> >>>>
>>> >>>> http://www.scala-lang.org/api/current/scala/Unit.html
>>> >>>>
>>> >>>> Scott
>>> >>>>
>>> >>>> On Wed, Jul 27, 2011 at 10:14 AM, Bruno Borges <
>>> bruno.bor...@gmail.com>
>>> >>>> wrote:
>>> >>>> > No, the function must return void, not another function (unit).
>>> >>>> >
>>> >>>> > But there's also the option of () => Nothing. Which one should I
>>> use for
>>> >>>> > this case?
>>> >>>> >
>>> >>>> > *Bruno Borges*
>>> >>>> > www.brunoborges.com.br
>>> >>>> > +55 21 76727099
>>> >>>> >
>>> >>>> >
>>> >>>> >
>>> >>>> > On Wed, Jul 27, 2011 at 12:54 PM, Martin Grigorov <
>>> mgrigo...@apache.org
>>> >>>> >wrote:
>>> >>>> >
>>> >>>> >> def button(id: String, submit: () => Void): Button = {
>>> >>>> >>
>>> >>>> >> it should be () => Unit, no ?
>>> >>>> >>
>>> >>>> >> On Wed, Jul 27, 2011 at 6:51 PM, Martin Grigorov <
>>> mgrigo...@apache.org
>>> >>>> >
>>> >>>> >> wrote:
>>> >>>> >> > Adding some usage examples at the bottom will help us evaluate
>>> it.
>>> >>>> >> >
>>> >>>> >> > Why not add type to
>>> >>>> >> > def textField(id: String): TextField[_] = { val field = new
>>> >>>> >> > TextField(id); add(field); field }
>>> >>>> >> > to become
>>> >>>> >> > def textField[T](id: String): TextField[T] = { val field = new
>>> >>>> >> > TextField[T](id); add(field); field }
>>> >>>> >> >
>>> >>>> >> > usage: textField[Int](someId)
>>> >>>> >> >
>>> >>>> >> > with using implicit Manifest for T you can also can
>>> automatically set
>>> >>>> >> > the type: field.setType(m.erasure)
>>> >>>> >> >
>>> >>>> >> > On Wed, Jul 27, 2011 at 6:26 PM, Bruno Borges <
>>> >>>> bruno.bor...@gmail.com>
>>> >>>> >> wrote:
>>> >>>> >> >> I've been playing with Wicket and Scala and I thought this
>>> could be
>>> >>>> >> added to
>>> >>>> >> >> the wicket-scala project at WicketStuff.
>>> >>>> >> >>
>>> >>>> >> >> What do you guys think?
>>> >>>> >> >>
>>> >>>> >> >> https://gist.github.com/1109603
>>> >>>> >> >>
>>> >>>> >> >>
>>> >>>> >> >> *Bruno Borges*
>>> >>>> >> >> www.brunoborges.com.br
>>> >>>> >> >> +55 21 76727099
>>> >>>> >> >>
>>> >>>> >> >
>>> >>>> >> >
>>> >>>> >> >
>>> >>>> >> > --
>>> >>>> >> > Martin Grigorov
>>> >>>> >> > jWeekend
>>> >>>> >> > Training, Consulting, Development
>>> >>>> >> > http://jWeekend.com
>>> >>>> >> >
>>> >>>> >>
>>> >>>> >>
>>> >>>> >>
>>> >>>> >> --
>>> >>>> >> Martin Grigorov
>>> >>>> >> jWeekend
>>> >>>> >> Training, Consulting, Development
>>> >>>> >> http://jWeekend.com
>>> >>>> >>
>>> >>>> >>
>>> ---------------------------------------------------------------------
>>> >>>> >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>>> >>>> >> For additional commands, e-mail: users-h...@wicket.apache.org
>>> >>>> >>
>>> >>>> >>
>>> >>>> >
>>> >>>>
>>> >>>> ---------------------------------------------------------------------
>>> >>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>>> >>>> For additional commands, e-mail: users-h...@wicket.apache.org
>>> >>>>
>>> >>>>
>>> >>>
>>> >>
>>> >
>>> >
>>> >
>>> > --
>>> > Martin Grigorov
>>> > jWeekend
>>> > Training, Consulting, Development
>>> > http://jWeekend.com
>>> >
>>>
>>>
>>>
>>> --
>>> Martin Grigorov
>>> jWeekend
>>> Training, Consulting, Development
>>> http://jWeekend.com
>>>
>>> ---------------------------------------------------------------------
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>>>
>>>
>>
>
--
Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com
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