Imports EgtUILib
Imports EgtWPFLib5
Imports System.IO

Public Class MainWindowVM
   Inherits VMBase

   Private m_SceneHostV As SceneHostV
   Private m_UnloadingAreaV As UnloadingAreaV

   Private m_MySceneHostVM As MySceneHostVM
   Private m_UnloadingAreaVM As UnloadingAreaVM

   Private m_WaitingConfirmManualPart As Boolean = False
   Public ReadOnly Property WaitingConfirmManualPart As Boolean
      Get
         Return m_WaitingConfirmManualPart
      End Get
   End Property

   Private m_SceneIsChecked As Boolean = False
   Public Property SceneIsChecked As Boolean
      Get
         Return m_SceneIsChecked
      End Get
      Set(value As Boolean)
         m_SceneIsChecked = value
         m_UnloadingAreaIsChecked = Not value
         Map.refSceneHostVM.NotifyPropertyChanged("IsLayoutCheched")
         Map.refSceneHostVM.NotifyPropertyChanged("VisibilityManulaPartCommand")
         EgtZoom(ZM.ALL)
         NotifyPropertyChanged("PageControl")
      End Set
   End Property

   Private m_UnloadingAreaIsChecked As Boolean = True
   Public Property UnloadingAreaIsChecked As Boolean
      Get
         Return m_UnloadingAreaIsChecked
      End Get
      Set(value As Boolean)
         m_UnloadingAreaIsChecked = value
         m_SceneIsChecked = Not value
         Map.refUnloadingAreaVM.NotifyPropertyChanged("refScenaIsChecked")
         NotifyPropertyChanged("PageControl")
      End Set
   End Property

   Public ReadOnly Property PageControl As ContentControl
      Get
         If m_SceneIsChecked Then
            NotifyPropertyChanged("SceneIsChecked")
            NotifyPropertyChanged("UnloadingAreaIsChecked")
            Return m_SceneHostV
         Else
            NotifyPropertyChanged("SceneIsChecked")
            NotifyPropertyChanged("UnloadingAreaIsChecked")
            Return m_UnloadingAreaV
         End If
      End Get
   End Property

   ' Riferimento al Model della MainWindow
   Private m_MainWindowM As MainWindowM
   Friend ReadOnly Property MainWindowM As MainWindowM
      Get
         Return m_MainWindowM
      End Get
   End Property

   ' Dichiarazione della classe di connessione al PLC
   Friend m_CNCommunication As NCCommunication

   ' Variabile che indica che il programma è stato avviato correttamente (sia la mappa che l'ambiente Egt)
   Private m_bInitStatus As Boolean
   Friend ReadOnly Property bInitStatus As Boolean
      Get
         Return m_bInitStatus
      End Get
   End Property

   ' Titolo
   Private m_Title As String
   Public Property Title As String
      Get
         Return m_Title
      End Get
      Set(value As String)
         m_Title = value
         NotifyPropertyChanged("Title")
      End Set
   End Property

   Private m_ContentControl As UserControl
   Public Property ContentControl As UserControl
      Get
         Return m_ContentControl
      End Get
      Set(value As UserControl)
         m_ContentControl = value
      End Set
   End Property

   ' definizione comandi
   Private m_cmdAboutBox As ICommand
   Private m_cmdCloseApplication As ICommand
   Private m_cmdOpenScene As ICommand
   Private m_cmdOpenUnloadingArea As ICommand

#Region "CONSTRUCTOR"

   Sub New()
      ' Avvio l'inizializzazione della mappa passandogli il riferimento al MainWindowVM
      Map.BeginInit(Me)
      ' Creo Model della MainWindow
      m_MainWindowM = New MainWindowM
      ' Genero il contenuto della scena
      m_MySceneHostVM = New MySceneHostVM()
      ' Genero la scena
      m_SceneHostV = New SceneHostV
      ' Genero il contenuto dell'UnloadingArea
      m_UnloadingAreaVM = New UnloadingAreaVM
      ' Genero UnloadingArea
      m_UnloadingAreaV = New UnloadingAreaV
   End Sub

#End Region    ' CONSTRUCTOR

#Region "METHODS"

   Friend Sub SetTitle(sTitle As String)
      m_Title = sTitle
      NotifyPropertyChanged("Title")
   End Sub

   Friend Sub ContentRendered()
      ' Verifico che l'inizializzazione di tutte le parti del programma sia andata a buon fine
      If Map.EndInit() Then
         m_bInitStatus = True
         ' altrimenti chiudo il programma
      Else
         m_bInitStatus = False
      End If
      ' Creazione gestore comunicazione con PLC
      m_CNCommunication = New NCCommunication
      'SetTitle("OmagVIEWPlus")
   End Sub

   Friend Function StartUnloadingProject() As Boolean
      ' prima di iniziare verifico la presenza del file .new

      ' carico progetto corrente solo se il file non è stato confermato
      If Not m_WaitingConfirmManualPart Then
         m_WaitingConfirmManualPart = MainWindowM.LoadProject()
         SetTitle("CurrProj " & m_MainWindowM.nProjInd.ToString & " - OmagVIEWPlus")
      End If
      ' se non sono riuscito a caricare esco
      If Not m_WaitingConfirmManualPart Then Return False
      ' rendo visibile la freccia rossa
      Map.refUnloadingAreaVM.Table1ArrowVisibility = Visibility.Visible
      ' eventualmente rendo visibilie il bottone per la conferma selezione manuale
      Map.refSceneHostVM.NotifyPropertyChanged("VisibilityManulaPartCommand")
      ' se non ho dato conferma del pezzo allora aspetto (bottone acceso)
      If Map.refUnloadingAreaVM.IsChecked_Manual Then Return False
      ' significa che la selezione è avvenuta
      m_WaitingConfirmManualPart = False
      ' nascondo la freccia rossa
      Map.refUnloadingAreaVM.Table1ArrowVisibility = Visibility.Collapsed
      ' passo al posizionamento delle ventose
      Return MyUpdateVacuumsForUnloading()
   End Function

#End Region    ' METHODS

#Region "COMMANDS"

#Region "AboutBoxCommand"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property AboutBoxCommand() As ICommand
      Get
         If m_cmdAboutBox Is Nothing Then
            m_cmdAboutBox = New Command(AddressOf AboutBox)
         End If
         Return m_cmdAboutBox
      End Get
   End Property

   ' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
   Public Sub AboutBox(ByVal param As Object)
      Dim AboutBoxWindow As New AboutBoxV
      AboutBoxWindow.Owner = Application.Current.MainWindow
      AboutBoxWindow.ShowDialog()
   End Sub

#End Region ' AboutBoxCommand

#Region "CloseApplicationCommand"

   ' Returns a command that manage the MainWindow_Unloaded command
   Public ReadOnly Property CloseApplicationCommand() As ICommand
      Get
         If m_cmdCloseApplication Is Nothing Then
            m_cmdCloseApplication = New Command(AddressOf CloseApplication)
         End If
         Return m_cmdCloseApplication
      End Get
   End Property

   ' Manage the MainWindow_Unloaded event. This method is invoked by the cmdMainWindow_Unloaded.
   Public Sub CloseApplication(ByVal param As Object)
      ' Termino il Model
      m_MainWindowM.Close()
      ' Termino il programma
      Application.Current.Shutdown()
   End Sub

#End Region ' CloseApplicationCommand

#End Region    ' COMMANDS

End Class