/*

 * Copyright 2011-2012 Tomas Zeman <tzeman@volny.cz>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package fis.base.ui

import net.liftweb.http.Templates

import net.liftweb.util._

import net.liftweb.util.Helpers._ // CSS transforms

import scala.xml.{NodeSeq, Text}

/**

 * Template driven table, compatible w/ datatables.net.

 * Template location: <code>/templates-hidden/datatable</code>.

 */

trait FieldTable[T] {

  protected def load: NodeSeq =

    Templates(List("templates-hidden", "datatable")) openOr NodeSeq.Empty

  protected def cols(cs: Iterable[ReadableField]) =

    ".field-name *" #> (cs map { f =>

    f.displayNameHtml openOr Text(f.displayName) })

  protected def cells(cs: Iterable[T]) =

    ".r" #> cs.map { v => "td *" #> (fields(v) map { _.asHtml }) }

  protected def fields(v: T): Iterable[ReadableField]

  protected def build(header: T, rows: Iterable[T]): NodeSeq =

}

object FieldTable {

  def apply[T](fieldsF: T => Iterable[ReadableField], header: T)(rows: Iterable[T]):

    NodeSeq = (new FieldTable[T] {

      def fields(v: T) = fieldsF(v)

    }).build(header, rows)

}

// vim: set ts=2 sw=2 et: