scalut.wizard.views.WizardViewBaseImpl.scala Maven / Gradle / Ivy

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package scalut.wizard.views


import scalut.collections.CollectionHelper
import scalut.wizard.{WizardAction, WizardEvent, WizardEventInfo}


trait WizardViewBaseImpl[TPage <: WizardPageView] extends WizardView {

  override type Page <: TPage
  //type Model <: WizardModel[_, Page]

  override protected def notification(sender: Model, arg: WizardEventInfo[Page]): Unit = {
    arg.action match {
      case WizardEvent.PageChanged | WizardEvent.PagesCleared => setPage(getModel.getCurrentPage)
      case WizardEvent.PageActivated => updateActions()
      case WizardEvent.PageInserted => arg.page.wizard = this.asInstanceOf[arg.page.Wizard]
      case _ =>
    }
  }

  override def addPages(pages: Page*): Unit = {
    if (!CollectionHelper.isEmpty(pages))
      getModel.addPages(pages)
  }

  override def addPages(index: Int, pages: Page*): Unit = {
    if (!CollectionHelper.isEmpty(pages))
      getModel.addPages(index, pages)
  }

  override def next(): Boolean = {
    if (isActionEnabled(WizardAction.Next))
      getModel.next()
    else
      false
  }

  override def back(): Boolean = {
    if (isActionEnabled(WizardAction.Back))
      getModel.back()
    else
      false
  }

  override def finish(): Boolean = {
    if (isActionEnabled(WizardAction.Finish))
      getModel.finish()
    else
      false
  }

  override def updateNavigatorActions(): Unit = {
    setActionEnabled(WizardAction.Back, !getModel.isCurrentPageIsFirst &&
        getModel.isCanGoToPage(getModel.getPrevPageIndex)._1)
    setActionEnabled(WizardAction.Next, !getModel.isCurrentPageIsLast &&
        getModel.isCanGoToPage(getModel.getNextPageIndex)._1)
  }

  override def updateFinishAction(): Unit = {
    setActionEnabled(WizardAction.Finish, getModel.isCanFinish)
  }
}