src/main/scala/net/dataminer/view/CrudView.scala

   1 package net.dataminer.view
   2
   3 import _root_.net.liftweb.http._
   4 import S._
   5 import _root_.net.liftweb.util._
   6 import Helpers._
   7 import _root_.net.liftweb.mapper._
   8 import _root_.scala.xml._
   9 import _root_.net.dataminer.model._
  10
  11 trait CrudView[T <: Mapper[T]] extends LiftView {
  12   override def dispatch = {
  13     case "index" => list _
  14   }
  15   protected val metaMapper: T with MetaMapper[T]
  16   protected val columns: List[Pair[NodeSeq,(T) => NodeSeq]]
  17   private def listTemplate:NodeSeq = TemplateFinder.findAnyTemplate("templates-hidden" :: "crud" :: "list" :: Nil) openOr Text("")
  18   private def headers() =
  19     columns.flatMap({
  20       case (header, _) =>
  21         bind(
  22           "header", chooseTemplate("entities", "headers", listTemplate),
  23           "content" -> header)})
  24   private def values() =
  25     metaMapper.findAll.flatMap({
  26         entity => {
  27           val values = columns.flatMap({
  28             case (_, extractor) =>
  29               bind(
  30                 "value", chooseTemplate("entity", "value", listTemplate),
  31                 "content" -> extractor(entity))})
  32           bind(
  33             "entity", chooseTemplate("entities", "values", listTemplate),
  34             "value" -> values)
  35         }})
  36   private def list(): NodeSeq =
  37     bind("entities", listTemplate,
  38          "headers" -> headers(),
  39          "values" -> values())
  40 }