Hmm that _was_ pretty silly. I guess I have to go over the implicits section
in my Scala notes :)
Thanks for the quick response David.
On Wed, Dec 30, 2009 at 2:19 PM, David Pollak <feeder.of.the.be...@gmail.com
> wrote:
>
>
> On Wed, Dec 30, 2009 at 11:03 AM, Igor <igor...@gmail.com> wrote:
>
>> Hi everyone,
>>
>> Long time lurker, first time poster here, I've been trying to pick up
>> Lift recently and am stuck with a seemingly simple bind:
>> <div>
>> <subject:videos>
>> <videos:count/> out of <videos:total/> videos
>> <videos:list>
>> <div>
>> <video:name/> <span class="cm"> some text</span>
>> </div>
>> </videos:list>
>> </subject:videos>
>> </div>
>>
>> val length = resources.length
>> bind("videos", template,
>> "count" -> length,
>> "total" -> length,
>> "list" -> {(ns: NodeSeq) => resources.flatMap(c => bind("video",
>> ns,
>> "name" ->
>> <a href="#">{c.displayName}</a>))})
>>
>>
>>
> {(ns: NodeSeq) => (resources.flatMap(c => bind()): NodeSeq)}
>
> That should do it. You have to tell the compiler you want a NodeSeq out of
> the function and the compiler will apply the implicit conversion from
> List[Node] -> NodeSeq
>
>
>> This is throwing the following compiler error:
>>
>> error: overloaded method value bind with alternatives
>> (String,net.liftweb.common.Box[(scala.xml.NodeSeq) =>
>> scala.xml.NodeSeq],net.liftweb.common.Box
>> [(scala.xml.PrefixedAttribute) =>
>> scala.xml.MetaData],scala.xml.NodeSeq,net.liftweb.util.Helpers.BindParam*)
>> scala.xml.NodeSeq <and>
>> (String,scala.xml.NodeSeq,net.liftweb.util.Helpers.BindParam*)
>> scala.xml.NodeSeq cannot be applied to
>>
>> (java.lang.String,scala.xml.NodeSeq,net.liftweb.util.Helpers.IntBindParam,net.liftweb.util.Helpers.IntBindParam,
>> (String, (scala.xml.NodeSeq) => List[scala.xml.Node]))
>> bind("videos", template,
>>
>>
>> Now as far as I can tell the issue is that I'm getting a List
>> [scala.xml.Node] out of the flatMap. For some reason I thought I was
>> able to do this before but if not should I be doing something else to
>> convert it to a NodeSeq instead ?
>>
>> I basically have a section that I want to populate with some content
>> (1 content item per list item) and also stick the length of the list
>> in the top of the section.
>>
>> Not sure if my whole approach is flawed or not, open to any
>> suggestions or pointers to the relevant section of TFM.
>>
>>
>> Thanks a lot,
>> Igor
>>
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>>
>
>
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