site/src/main/scala/GlobalMenuRenderlet.scala

package org.apache.clerezza.site

import javax.ws.rs.core.MediaType
import org.apache.clerezza.platform.typerendering._
import org.apache.clerezza.commons.rdf.IRI
import org.apache.clerezza.rdf.utils.GraphNode
import org.apache.clerezza.rdf.ontologies._
import org.apache.clerezza.rdf.core._
import org.apache.clerezza.rdf.utils._
import org.apache.clerezza.rdf.scala.utils.Preamble._
import org.apache.clerezza.platform.typerendering.scala._
import org.apache.clerezza.rdf.ontologies.DC

/**
 * A Renderlet for the menu
 */
class GlobalMenuRenderlet extends SRenderlet {

  val getRdfType = RDFS.Resource

  override def getModePattern = "menu"

  override def renderedPage(arguments: XmlResult.Arguments) = {
    new XmlResult(arguments) {
      def menuLink(href: String, label: String) =
        if ((res*).endsWith(href) || (res*).endsWith(href + "index")) {
          <a href={ href } class="active">{ label }</a>
        } else {
          <a href={ href }>{ label }</a>
        }
      override def content = {
        def menu(s: Any) = new IRI("http://clerezza.org/2009/11/global-menu#" + s)
        def rdfs(s: Any) = new IRI("http://www.w3.org/2000/01/rdf-schema#" + s)
        def platform(s: Any) = new IRI("http://clerezza.org/2009/08/platform#" + s)
        def dct(s: Any) = new IRI("http://purl.org/dc/terms/" + s)

        resultDocModifier.addScriptReference("/style/scripts/login.js");

        <div class="column nav">
          <ul>
            {
              ifx((res / menu("globalMenu")).length > 0) {
                for (menuItem <- res / menu("globalMenu")!!) 
                  yield <li class="top-nav-entry">
                    <div class="title">
                      {
                        if ((menuItem / menu("path")).length > 0) {
                          <a href={ menuItem / menu("path")* }>{ (menuItem / rdfs("label")*) }</a>
                        } else {
                          <a href="#" onclick="return false">{ (menuItem / rdfs("label")*) }</a>
                        }
                      }
                    </div>
                    {
                      ifx((menuItem / menu("children")).length > 0) {
                        <div>
                          <ul class="nav-entries">
                            {
                              for (childMenuItem <- menuItem / menu("children")!!) yield {
                                <li><a href={ childMenuItem / menu("path")* }>{ childMenuItem / rdfs("label")* }</a><span>{ childMenuItem / dct("description")* }</span></li>
                              }
                            }
                          </ul>
                        </div>
                      }
                    }
                        </li>
              }
            }
          </ul>
        </div>
      }

    }
  }
}