On Tue, Jan 26, 2010 at 1:17 PM, Adam Warski <a...@warski.org> wrote:
> Hello,
>
>> For this you can use loc.link.createPath. I use something similar in
>> my codebase. This has a little cruft you may not be precisely
>> interested in, but if you look at the link and flink methods, you
>> should be able to get an idea of how to use the Loc.Link:
>
>
> I'm using Link in a similar way to, but here I can't use createPath, as
> SiteMap.findLoc(...) returns a Loc[_], so the type parameter is unknown, so
> without some casts I won't be able to pass the parameter.
>
> I tried:
>
> val loc = SiteMap.findLoc("Login").open_!
> val link = loc.link.createPath(loc.currentValue.open_!)
Instead of building your Loc inline in the SiteMap declaration and
using findLoc, simply declare the loc as a val (with the appropriate
type parameter) in Boot or a similar object of your choosing.
I have an object I call Site which I use to separate out the Loc stuff
from the SiteMap and Menu. Here's what it looks like:
object Site {
var locs: List[Loc[_]] = Nil
def loc(name: String, link: Link[Unit], text: LinkText[Unit],
params: AnyLocParam*): Loc[Unit] = {
val newLoc = Loc(name, link, text, params: _*)
locs = newLoc :: locs
newLoc
}
def uuloc[T <: UUEntity](params: LocParam[T]*)(implicit
manifest: Manifest[T]) : UULoc[T] = {
val newLoc = new UULoc[T](params.toList)
locs = newLoc :: locs
newLoc
}
// Visible locs
val home = loc("Home", "index" :: Nil , ?("Home"))
val userSearch = loc("User Search", "users" :: "search" ::
Nil, ?("User Search"))
val orderSearch = loc("Order Search", "orders" :: "search"
:: Nil, ?("Order Search"))
val orderForm = loc("New Order", "orders" :: "new" :: Nil,
?("New Order"))
//...
// REST gettable object locs
val userDetail = uuloc[User](Hidden)
val orderDetail = uuloc[Order](Hidden)
//...
}
Then, in Boot.scala I simply have this:
LiftRules.setSiteMap(SiteMap(Site.locs.reverse.map(Menu(_)): _*))
Don't throw away type information when you don't have to!
Kris
>
> but unfortunately the compiler doesn't seem to recognize the fact that the
> type parameter for loc is the same as the one returned for loc.currentValue.
>
> --
> Adam Warski
> http://www.warski.org
> http://www.softwaremill.eu
>
>
>
>
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