gistfile1.scala

trait DocumentForm[OwnerType <: MongoIdRecord[OwnerType] with ClientId[OwnerType]] extends ObjectIdRefListField[OwnerType, Document] {

  self: ObjectIdRefListField[OwnerType, Document] =>

  def uploadDoneCallback: JsCmd

  override def toForm =
    uniqueFieldId match {
      case Full(id) => Full(elem(id))
      case _ => Full(elem(nextFuncName))
    }

  def elem(id: String) = {
    uploadedDocsForm(id, fph => {
                          for {user <- User.currentUser
                               docInfo <- Document.documentService.save(List(owner.clientId.is.toString, user.id.is.toString), fph)} {
                            FileUploadInProgress.set(true) // This is to notify the form not to trigger a finish, but a refresh
                            val doc = Document.createInstance(user, docInfo).save
                            set(doc.id.is :: is)
                          }
                        })

  }

  def uploadedDocsForm(elemId: String, func: FileParamHolder => Any, attrs: ElemAttr*): Elem = {
    val f2: FileParamHolder => Any = fp => if (fp.length > 0) func(fp)
    S.fmapFunc(BinFuncHolder(f2)) { name =>
      val id = nextFuncName
      val doneFunc = AnonFunc(uploadDoneCallback)
      attrs.foldLeft(
        <div id={elemId}>
          <span class="btn fileinput-button">
            <i class="icon-plus icon-black"></i>
            <span>{S ? "document.upload.form.button"}</span>
            <input class="jq-fileupload" type="file" name={ name } multiple="multiple"/>
          </span>
          <br/>
          <div id={ "prg_" + id } style="width:50%;" class="progress progress-striped">
            <div class="bar"></div>
          </div>
          <div id={ "files_" + id }>{attachedDocuments()}</div>
          <div name="jq-fileupload-script">
            { Script(OnLoad(Run("App.views.common.Upload.initFileupload('#%s .jq-fileupload', '%s', %s)".format(elemId, id, doneFunc.toJsCmd)))) }
          </div>
        </div>) { _ % _ }
    }
  }

  def markDocumentForRemoval(doc: Document): Unit = doc.markForRemoval(true)

  def downloadDocumentUrl(doc: Document): String = {
    Document.documentService.downloadPath(doc.guid.is.toString())
  }

  def doRemoveDocument(doc: Document): Boolean = {
    if (Document.documentService.remove(doc.relativeFilePath)) {
      set(objs.filterNot(_.guid.is == doc.guid.is).map(_.id.is))
      true
    } else false
  }

  def attachedDocuments(isEditable: Boolean = true): NodeSeq = {
    def confirmDeleteDocument(elemId: String, doc: Document): JsCmd = {
      ConfirmRemoveDialog("Dokument löschen",
                          s"Möchten Sie das Dokument '${doc.fileName.is}' tatsächlich löschen?",
                          ()=> { markDocumentForRemoval(doc)
                                 Run("$('#%s').fadeOut('fast').remove()".format(elemId))
                          }, "backdrop" -> false)
    }

    def asTableRow(doc: Document): Elem = {
      val id = nextFuncName
      <tr id={id}>
        <td>{doc.createdAt.asHtml}</td>
        <td><a href={downloadDocumentUrl(doc)} target="garten_docs" >{doc.fileName.is}</a></td>
        <td>{doc.userId.obj.map(_.displayName).openOr("")}</td>
        {if (isEditable)
          <td class="action-td"><a href="Javascript://" onclick={SHtml.ajaxInvoke(()=>{confirmDeleteDocument(id, doc)})._2.toJsCmd}><i class="icon-remove"></i></a></td>
        }
      </tr>
    }
    if (objs.filterNot(_.markForRemoval.is).nonEmpty) {
      <table class="table table-condensed table-striped">
        <thead>
          <tr><td>Hinzugefügt</td><td>Name</td><td>Autor</td>{if (isEditable) <td></td>}</tr>
        </thead>
        <tbody> {objs.filterNot(_.markForRemoval.is).sortBy(_.createdAt.is).map(asTableRow)} </tbody>
      </table>
    } else NodeSeq.Empty
  }

}