/*
* Copyright 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 net.datatables
import fis.base.ui._
import net.liftweb.http._
import net.liftweb.http.js._
import net.liftweb.http.js.JE._
import net.liftweb.http.js.JsCmds._
import net.liftweb.http.js.jquery._
import net.liftweb.http.js.jquery.JqJE._
import net.liftweb.http.js.jquery.JqJsCmds._
import net.liftweb.json._
import net.liftweb.json.Extraction._
import net.liftweb.record.RecordHelpers._
import net.liftweb.sitemap.Loc.Snippet
import net.liftweb.util._
import net.liftweb.util.Helpers._
import net.tz.lift.snippet._
import scala.xml.NodeSeq
/**
* datatables.net typesafe datatable.
*/
object DataTables {
def init() {
LiftRules.snippets.append {
case List("datatables") => { _ => initHeader(loadTpl) }
}
}
protected def loadTpl =
Templates(List("templates-hidden", "datatables")) openOr NodeSeq.Empty
protected def initHeader: CssTr = {
val rows = Props.getInt("datatables.rows") map { i =>
SetExp(JsVar("$.fn.dataTable.defaults.iDisplayLength"), i) }
val lang = Props.get("datatables.lang." + CurLanguage.getLanguage) map { l =>
SetExp(JsVar("$.fn.dataTable.defaults.oLanguage.sUrl"), l) }
"#datatables-defaults" #> Script((rows ++ lang) toSeq)
}
def onLoad(selector: String, opts: Options): NodeSeq = {
val s = Script(JqOnLoad(jsRender(selector, opts)))
<head>
{s}
</head>
}
def jsRender(selector: String, opts: Options): JsExp =
JqId(selector) ~> fun(opts)
private def fun(opts: Options): JsMember =
new JsRaw("dataTable(%s);".format(opt2js(opts).toJsCmd)) with JsMember
private def opt2js(opts: Options): JsExp = {
implicit val formats = DefaultFormats
decompose(opts)
}
case class Options(oLanguage: Option[Language], aoColumnDefs: List[ColumnDef])
{
def lang(l: Language) = this.copy(oLanguage = Some(l))
def col(c: ColumnDef) = this.copy(aoColumnDefs = c :: aoColumnDefs)
}
object Options extends Options(None, Nil)
case class Language(sUrl: Option[String]) {
def url(url: String) = this.copy(sUrl = Some(url))
}
object Language extends Language(None)
case class ColumnDef(sType: Option[String], aTargets: List[Int]) {
def dtype(t: String) = this.copy(sType = Some(t))
def dtype(t: Symbol) = this.copy(sType = Some(t.name))
def target(i: Int) = this.copy(aTargets = i :: aTargets)
}
object ColumnDef extends ColumnDef(None, Nil)
val TYPE_EU_DATE = 'eu_date
}
// vim: set ts=2 sw=2 et: