org.hyperscala.ui.BusyDialog.scala Maven / Gradle / Ivy

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package org.hyperscala.ui

import org.hyperscala.html._
import org.hyperscala.module.Module
import org.powerscala.Version
import org.hyperscala.web.{Website, Webpage}
import org.hyperscala.jquery.ui.{ProgressBar, jQueryUI, Dialog}
import org.hyperscala.realtime.Realtime
import language.reflectiveCalls
import com.outr.net.http.session.Session

/**
 * @author Matt Hicks 
 */
object BusyDialog extends Module {
  def name = "busyDialog"

  def version = Version(1)

  override def dependencies = List(Realtime, jQueryUI.LatestWithDefault)

  override def init[S <: Session](website: Website[S]) = {
    website.register("/images/indeterminate_progress01.gif", "indeterminate_progress01.gif")
  }

  override def load[S <: Session](webpage: Webpage[S]) = {
    val div = new tag.Div(id = "busyDialog") {
      val progressDiv = new tag.Div {
        style.marginTop := 10.px
        style.width := 280.px
        style.height := 30.px
      }
      val progressBar = ProgressBar(progressDiv)
      progressBar.value := None
      contents += progressDiv
    }
    webpage.body.contents += div

    Dialog.assign(div, autoOpen = false, closeOnEscape = false, modal = true, width = 320, height = 120, resizable = false)
  }

  def disabled[T, S <: Session](webpage: Webpage[S])(f: => T): T = {
    disable(webpage)
    try {
      f
    } finally {
      enable(webpage)
    }
  }

  def enable[S <: Session](webpage: Webpage[S]) = {
    webpage.store.remove("BusyDialog.disabled")
  }

  def disable[S <: Session](webpage: Webpage[S]) = {
    hide(webpage)
    webpage.store("BusyDialog.disabled") = true
  }

  def isDisabled[S <: Session](webpage: Webpage[S]) = webpage.store.getOrElse("BusyDialog.disabled", false)

  def show[S <: Session](webpage: Webpage[S], title: String) = if (!isDisabled(webpage)) {
    webpage.body.byId[tag.Div with Dialog]("busyDialog") match {
      case Some(window) => {
        Dialog(window).title := title
        if (!Dialog(window).isOpen()) {
          Dialog(window).open()
        }
      }
      case None => // Page probably not loaded yet
    }
  }

  def hide[S <: Session](webpage: Webpage[S]) = if (!isDisabled(webpage)) {
    webpage.body.byId[tag.Div]("busyDialog") match {
      case Some(window) => {
        if (Dialog(window).isOpen()) {
          Dialog(window).close()
        }
      }
      case None => // Page probably not loaded yet
    }
  }

  def apply[T, S <: Session](webpage: Webpage[S], title: String)(f: => T): T = {
    BusyDialog.show(webpage, title)
    try {
      f
    } finally {
      BusyDialog.hide(webpage)
    }
  }
}