Kris,
Jorge changed bind to accept the -> stuff... please provide stand-along
examples of --> working and -> failing so he can do what he needs to do to
fix up the code.
Thanks,
David
On Wed, Sep 17, 2008 at 2:53 PM, Kris Nuttycombe
<[EMAIL PROTECTED]>wrote:
>
> Hi, all,
>
> I noticed this in the BindHelpers code:
>
> # /**
> # * This class creates a BindParam from an input value
> # *
> # * @deprecated use -> instead
> # */
> # @deprecated
> # class BindParamAssoc(val name: String) {
> # def -->(value: String): BindParam = TheBindParam(name, Text(value))
> # def -->(value: NodeSeq): BindParam = TheBindParam(name, value)
> # def -->(value: Symbol): BindParam = TheBindParam(name, Text(
> value.name))
> # def -->(value: Any): BindParam = TheBindParam(name, Text(if
> (value == null) "null" else value.toString))
> # def -->(func: NodeSeq => NodeSeq): BindParam = FuncBindParam(name,
> func)
> # def -->(value: Can[NodeSeq]): BindParam = TheBindParam(name,
> value.openOr(Text("Empty")))
> # }
>
> and so dutifully modified my code to use ->, but I'm having trouble
> finding a version of bind() that this works with. I assumed that it
> would be in BindHelpers, but didn't find a bind() that was appropriate
> (at least, Helpers.bind(...) didn't work when called.)
>
> I'm using the usual signature of bind(prefix, xhtml, "foo" -> ...,
> "bar" -> ...).
>
> This brings up a related question; I decided to create some implicit
> defs that would wrap my model objects appropriately such that I could
> just call myModelObject.bind(xhtml) within whatever snippet I am
> concerned with. The base class of my standard wrapper looks like this:
>
> abstract class EntityBinder[+A](val a : A) {
> def bind(xhtml : NodeSeq) : NodeSeq
> }
>
> and an implementation might look like:
>
> import net.liftweb.util.Helpers._
> import scala.xml._
>
> class FooBinder(foo : Foo) extends EntityBinder[Foo](foo) {
> def bind(xhtml : NodeSeq) : NodeSeq = {
> bind("foo", xhtml, "baz" -> NodeSeq.Empty)
> }
> }
>
> My class hierarchy has three or four levels, each of which binds some
> set of tags to the results of a call to super.bind(xhtml).
>
> For some reason, the Scala compiler can't figure out that the bind() I
> want to call in the implementation is Helpers.bind - it gives me this:
>
> [WARNING]
> /home/knuttycombe/work/gcsi/gcsi-admin/src/main/scala/com/gaiam/gcsi/view/EntityBinder.scala:114:
> error: wrong number of arguments for method bind:
> (scala.xml.NodeSeq)scala.xml.NodeSeq
> [WARNING] bind("t", super.bind(xhtml),
> [WARNING] ^
>
> Any idea why it's not using the imported bind function?
>
> If I'm barking completely up the wrong tree with my approach here,
> that information would also be useful! Thanks,
>
> Kris
>
> >
>
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