Imports EgtUILib
Imports System.ComponentModel
Imports System.IO
Imports EgtWPFLib5

Public Class MainWindowVM
   Implements INotifyPropertyChanged

   ' Modello del MainWindow (classe vera e propria)
   Private m_MainWindowModel As New MainWindowModel

   Private m_VisibilityAssemblyManager As Visibility = Visibility.Visible
   Public Property VisibilityAssemblyManager As Visibility
      Get
         Return m_VisibilityAssemblyManager
      End Get
      Set(value As Visibility)
         m_VisibilityAssemblyManager = value
         NotifyPropertyChanged("VisibilityAssemblyManager")
      End Set
   End Property

   Private m_ProjectNameMsg As String
   Public Property ProjectNameMsg As String
      Get
         Return m_ProjectNameMsg
      End Get
      Set(value As String)
         m_ProjectNameMsg = "EgtDOORCreator - " & value
         NotifyPropertyChanged("ProjectNameMsg")
      End Set
   End Property

   Private m_Launcher As LauncherV
   Public ReadOnly Property Launcher As LauncherV
      Get
         If IsNothing(m_Launcher) Then
            m_Launcher = New LauncherV
            m_Launcher.DataContext = New LauncherVM(Me)
         End If
         Return m_Launcher
      End Get
   End Property

   Private m_OptionPage As OptionsVM
   Public ReadOnly Property OptionPage As OptionsVM
      Get
         If IsNothing(m_OptionPage) Then
            m_OptionPage = New OptionsVM
         End If
         Return m_OptionPage
      End Get
   End Property

   Enum ListPageEnum As Integer
      nNothingSelected
      nAssemblyPage
      nDDFPage
      nHardwarePage
   End Enum

   Private m_SelectedPage As ListPageEnum
   Public Property SelectedPage As ListPageEnum
      Get
         Return m_SelectedPage
      End Get
      Set(value As ListPageEnum)
         m_SelectedPage = value
         NotifyPropertyChanged("PageControl")
         If Not IsNothing(Map.refInstrumentPanelVM) Then
            Map.refInstrumentPanelVM.NotifyPropertyChanged("DimensionVisibility")
         End If
      End Set
   End Property

   Private m_ProjectManagerHardware As ProjectManagerHardwareV
   Private m_ProjectManager As ProjectManagerV
   Private m_AssemblyManager As AssemblyManagerV
   Private m_PartPage As PartPageV
   Private m_AssemblyPage As AssemblyPageV
   Private m_HardwarePage As HardwarePageV
   Private m_SceneManager As SceneManagerV

   Private Watcher As FileSystemWatcher = New FileSystemWatcher(IniFile.m_CompoDir, "*" & LUA_EXTENSION)

   Public ReadOnly Property PageControl As ContentControl
      Get
         If m_SelectedPage = ListPageEnum.nDDFPage Then
            If OptionModule.m_SingleDoor then
               VisibilityAssemblyManager = Visibility.Hidden
            Else
               VisibilityAssemblyManager = Visibility.Visible
            End If           
            NotifyPropertyChanged("AssemblyManagerControl")
            NotifyPropertyChanged("ProjectManagerControl")
            Return m_PartPage
         ElseIf m_SelectedPage = ListPageEnum.nAssemblyPage Then
            If OptionModule.m_SingleDoor then
               VisibilityAssemblyManager = Visibility.Hidden
            Else
               VisibilityAssemblyManager = Visibility.Visible
            End If 
            NotifyPropertyChanged("AssemblyManagerControl")
            NotifyPropertyChanged("ProjectManagerControl")
            Return m_AssemblyPage
         ElseIf m_SelectedPage = ListPageEnum.nHardwarePage Then
            VisibilityAssemblyManager = Visibility.Collapsed
            NotifyPropertyChanged("AssemblyManagerControl")
            NotifyPropertyChanged("ProjectManagerControl")
            Return m_HardwarePage
         Else
            If OptionModule.m_SingleDoor then
               VisibilityAssemblyManager = Visibility.Hidden
            Else
               VisibilityAssemblyManager = Visibility.Visible
            End If 
            NotifyPropertyChanged("AssemblyManagerControl")
            NotifyPropertyChanged("ProjectManagerControl")
            Return Nothing
         End If
      End Get
   End Property

   Public ReadOnly Property AssemblyManagerControl As ContentControl
      Get
         If VisibilityAssemblyManager = Visibility.Visible Then
            Return m_AssemblyManager
         Else
            Return Nothing
         End If
      End Get
   End Property

   Public ReadOnly Property SceneManagerControl As ContentControl
      Get
         Return m_SceneManager
      End Get
   End Property

   Public ReadOnly Property ProjectManagerControl As ContentControl
      Get
         If m_SelectedPage <> ListPageEnum.nHardwarePage then
            Return m_ProjectManager
         Else
            ProjectNameMsg = "HardwareManager"
            Return m_ProjectManagerHardware
         End If
         'If VisibilityAssemblyManager = Visibility.Visible Then
         '   Return m_ProjectManager
         'Else
         '   ProjectNameMsg = "HardwareManager"
         '   Return m_ProjectManagerHardware
         'End If
      End Get
   End Property

   Sub New()
      Map.SetRefMainWindowVM(Me)
      m_AssemblyPage = New AssemblyPageV
      m_AssemblyPage.DataContext = New AssemblyPageVM
      m_ProjectManagerHardware = New ProjectManagerHardwareV
      m_ProjectManagerHardware.DataContext = New ProjectManagerHardwareVM
      m_ProjectManager = New ProjectManagerV
      m_ProjectManager.DataContext = New ProjectManagerVM
      m_PartPage = New PartPageV
      m_PartPage.DataContext = New PartPageVM
      m_HardwarePage = New HardwarePageV
      m_HardwarePage.DataContext = New HardwarePageVM
      m_AssemblyManager = New AssemblyManagerV
      m_AssemblyManager.DataContext = New AssemblyManagerVM
      ' inserisco la scena
      m_SceneManager = New SceneManagerV
      m_SceneManager.DataContext = New SceneManagerVM
      Dim OptionsPage As OptionsVM = OptionPage
      InitWatcher()
   End Sub

#Region "DISPOSITION SCREEN"

   Public ReadOnly Property WidthColumn1 As String
      Get
         If OptionModule.m_nDispostionScreen = 1 Or OptionModule.m_nDispostionScreen = 2 Then
            Return "5*"
         Else
            Return "6*"
         End If
      End Get
   End Property

   Public ReadOnly Property WidthColumn2 As String
      Get
         If OptionModule.m_nDispostionScreen = 1 Or OptionModule.m_nDispostionScreen = 2 Then
            Return "6*"
         Else
            Return "5*"
         End If
      End Get
   End Property

   Public ReadOnly Property AssemblyManagerDisposition As String
      Get
         If OptionModule.m_nDispostionScreen = 1 Or OptionModule.m_nDispostionScreen = 2 Then
            Return "1"
         Else
            Return "0"
         End If
      End Get
   End Property

   Public ReadOnly Property PageControlDisposition As String
      Get
         If OptionModule.m_nDispostionScreen = 1 Or OptionModule.m_nDispostionScreen = 2 Then
            Return "1"
         Else
            Return "0"
         End If
      End Get
   End Property

   Public ReadOnly Property SceneManagerDiposition As String
      Get
         If OptionModule.m_nDispostionScreen = 1 Or OptionModule.m_nDispostionScreen = 2 Then
            Return "0"
         Else
            Return "1"
         End If
      End Get
   End Property

#End Region   ' Disposition Screen

#Region "Methods"

   Public Sub ShowErrorCompoLoad()
      Dim sError As String = Map.refCompoPanelVM.ErrorLoadCompo
      If Not String.IsNullOrEmpty(sError) Then
         MessageBox.Show(sError, EgtMsg(50101), MessageBoxButton.OK, MessageBoxImage.Error)
         EgtOutLog(sError)
      End If
   End Sub

#End Region    ' Methods

#Region "Watcher"

   Public Enum WatcherCalling
      OnCreated
      OnDeleted
      OnChanged
      OnRenamed
      OnLoadTempFile
      NoEvents
   End Enum

   Public selectedWatcher As WatcherCalling = WatcherCalling.NoEvents

   Public CompoDDFName As String = String.Empty

   Public Event Er(message As String, sPath As String)
   Public StartReload As Boolean = False
   Public Sub PrintMessagesFromWatcher(message As String, sPath As String) Handles Me.Er
      StartReload = True
      ' MessageBox.Show(Application.Current.MainWindow, message, "Warning", MessageBoxButton.OK, MessageBoxImage.Warning)
      If sPath.Contains(IniFile.m_CompoDir) Then
         sPath = Trim(sPath.Replace(IniFile.m_CompoDir & "\", ""))
      End If
      Dim sItems() As String = sPath.Split("\"c)
      If sItems.Count > 1 Then
         If Not IsNothing(Map.refCompoPanelVM) AndAlso Not IsNothing(Map.refCompoPanelVM.CompoTypeList) Then
            For Each ItemCompo In Map.refCompoPanelVM.CompoTypeList
               If ItemCompo.Path.Contains(sItems(0)) Then
                  ' ricarico l'elenco dei direttori e dei file
                  ItemCompo.LoadListTemplate()
                  CompoDDFName = ItemCompo.DDFName
                  If Not IsNothing(Map.refProjectManagerVM) Then Map.refProjectManagerVM.ReloadCmd()
                  CompoDDFName = String.Empty
                  StartReload = False
                  Return
               End If
            Next
         End If
      End If
      If Not IsNothing(Map.refProjectManagerVM) Then Map.refProjectManagerVM.ReloadCmd()
      CompoDDFName = String.Empty
      StartReload = False
   End Sub

   ' Inizializzatore dell'evento Watcher (controllo dei direttori e dei files) su un nuovo Thread
   Friend Sub InitWatcher(Optional ByVal StopWatcher As Boolean = False)
      Watcher.IncludeSubdirectories = True
      Watcher.Path = IniFile.m_CompoDir
      ' AddHandler Watcher.Changed, New FileSystemEventHandler(AddressOf OnChanged)
      AddHandler Watcher.Deleted, New FileSystemEventHandler(AddressOf OnDeleted)
      AddHandler Watcher.Created, New FileSystemEventHandler(AddressOf OnCreated)
      AddHandler Watcher.Renamed, New RenamedEventHandler(AddressOf OnRenamed)
      Watcher.EnableRaisingEvents = Not StopWatcher
   End Sub

   ' comunico una modifica (forzo l'utilizzo del Thread principale richiamando un evento Er)
   Private Sub OnChanged(source As Object, e As FileSystemEventArgs)
      If m_SelectedPage = ListPageEnum.nHardwarePage Then Return
      If StartReload Then Return
      Dim Message As String = "File: " & e.FullPath & " " & e.ChangeType
      selectedWatcher = WatcherCalling.OnChanged
      Application.Current.Dispatcher.BeginInvoke(New Action(Sub()
                                                               RaiseEvent Er(Message, e.FullPath)
                                                            End Sub), System.Windows.Threading.DispatcherPriority.ContextIdle, Nothing)
      'If Not IsNothing(Map.refProjectManagerVM) Then Map.refProjectManagerVM.ReloadCmd()
   End Sub

   ' cominico una eliminazione(forzo l'utilizzo del Thread principale richiamando un evento Er)
   Private Sub OnDeleted(source As Object, e As FileSystemEventArgs)
      If m_SelectedPage = ListPageEnum.nHardwarePage Then Return
      If StartReload Then Return
      ' 50545 = It has been deleted file: {0}, {1}.
      Dim Message As String = String.Format(EgtMsg(50545), e.FullPath,  e.ChangeType)
      selectedWatcher = WatcherCalling.OnDeleted
      Application.Current.Dispatcher.BeginInvoke(New Action(Sub()
                                                               RaiseEvent Er(Message, e.FullPath)
                                                            End Sub), System.Windows.Threading.DispatcherPriority.ContextIdle, Nothing)
      ' comunico che nessun evento particolare è stato selezionato
   End Sub

   ' cominico una rinomina (forzo l'utilizzo del Thread principale richiamando un evento Er)
   Private Sub OnRenamed(source As Object, e As FileSystemEventArgs)
      If m_SelectedPage = ListPageEnum.nHardwarePage Then Return
      If StartReload Then Return
      ' 50543 = It has been renamed file: {0}, {1}.
      Dim Message As String = String.Format(EgtMsg(50543), e.FullPath,  e.ChangeType)
      selectedWatcher = WatcherCalling.OnRenamed
      Application.Current.Dispatcher.BeginInvoke(New Action(Sub()
                                                               RaiseEvent Er(Message, e.FullPath)
                                                            End Sub), System.Windows.Threading.DispatcherPriority.ContextIdle, Nothing)
      'If Not IsNothing(Map.refProjectManagerVM) Then Map.refProjectManagerVM.ReloadCmd()
   End Sub

   ' cominico una creazione (forzo l'utilizzo del Thread principale richiamando un evento Er)
   Private Sub OnCreated(source As Object, e As FileSystemEventArgs)
      If m_SelectedPage = ListPageEnum.nHardwarePage Then Return
      If StartReload Then Return
      ' 50544 = It has been created new file: {0}, {1}.
      Dim Message As String =String.Format(EgtMsg(50544), e.FullPath,  e.ChangeType)
      selectedWatcher = WatcherCalling.OnCreated
      Application.Current.Dispatcher.BeginInvoke(New Action(Sub()
                                                               RaiseEvent Er(Message, e.FullPath)
                                                            End Sub), System.Windows.Threading.DispatcherPriority.ContextIdle, Nothing)
      'If Not IsNothing(Map.refProjectManagerVM) Then Map.refProjectManagerVM.ReloadCmd()
   End Sub

#End Region    ' Watcher

   ' Comandi
   Private m_cmdAboutBox As ICommand
   Private m_cmdClose As ICommand

   Public Sub SetLauncher()
      Dim nLauncher As Integer = If(OptionModule.m_bLauncherOpenOnce, LauncherOpt.Open_last_project, OptionModule.m_SelectedOptionLauncher)
      Select Case nLauncher
         Case LauncherOpt.Open_window
            ' apre la finestra 
            Dim Launcher As New LauncherV
            Launcher.Height = 200
            Launcher.Width = 250
            LauncherModule.InitLauncherModule()
            Launcher.DataContext = New LauncherVM(Me)
            Launcher.Owner = Application.Current.MainWindow
            Launcher.ShowDialog()
         Case LauncherOpt.Open_last_project
            ' se definito ultimo progetto, lo apro
            If GetMainPrivateProfileString(S_LAUNCHERWINDOW, K_LASTPROJECT, "", m_sLastProject) > 0 Then
               ' se caricato il nome in avvio del programma allora sovrascrivo
               If OptionModule.AdjustDDT Then
                  m_sLastProject = OptionModule.FileNameFromArgs
               End If
               Map.refProjectManagerVM.OpenLastProject()
            End If
         Case Else
            ' non fa assolutamente nulla
      End Select
   End Sub

#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"

   Public ReadOnly Property CloseApplicationCommand() As ICommand
      Get
         If m_cmdClose Is Nothing Then
            m_cmdClose = New Command(AddressOf CloseApplication)
         End If
         Return m_cmdClose
      End Get
   End Property

   'Public Sub CloseApplication(ByVal param As Object) 
   Public Sub CloseApplication()
      m_StopClosingApplication = False
      ' verifico se selezionato esiste e modificato
      Select Case SelectedPage
         Case ListPageEnum.nHardwarePage
            If Not IsNothing(Map.refHardwarePageVM) And Not IsNothing(Map.refHardwarePageVM.CurrHardware) Then
               If Map.refHardwarePageVM.CurrHardware.SaveControl() = Hardware.SaveResult.nCancel Then
                  m_StopClosingApplication = True
                  Return
               ElseIf Map.refHardwarePageVM.CurrHardware.SaveControl() = Hardware.SaveResult.nYes Then
                  Map.refHardwarePageVM.CurrHardware.Save()
               End If
               Map.refHardwarePageVM.CurrHardware.DeleteTempFile()
            End If
            Utility.UnLockDir()
         Case Else
            If Not IsNothing(Map.refAssemblyManagerVM.CurrProject) AndAlso Not IsNothing(Map.refAssemblyManagerVM.CurrProject.SelAssemblyName) AndAlso Map.refAssemblyManagerVM.CurrProject.SelAssemblyName.IsModified Then
               Dim sText As String = String.Format(EgtMsg(50109), Path.GetFileNameWithoutExtension(Map.refAssemblyManagerVM.CurrProject.SelAssemblyName.Name))
               Select Case MessageBox.Show(sText, "", MessageBoxButton.YesNoCancel, MessageBoxImage.Question)
                  Case MessageBoxResult.Yes
                     Map.refAssemblyManagerVM.Save(Map.refAssemblyManagerVM.CurrProject.SelAssemblyName)
                     ' se il ddf non è corretto non permetto il salvataggio
                     If Not DdfFile.DDFIsCorrect Then
                        m_StopClosingApplication = True
                        Return
                     End If
                  Case MessageBoxResult.No
                     ' Non faccio alcunchè
                  Case MessageBoxResult.Cancel
                     m_StopClosingApplication = True
                     Return
               End Select
            End If
      End Select

      If Not IsNothing(Map.refAssemblyManagerVM.CurrProject) AndAlso Not IsNothing(Map.refAssemblyManagerVM.CurrProject.SelAssemblyName) AndAlso
         Not String.IsNullOrWhiteSpace(Map.refAssemblyManagerVM.CurrProject.SelAssemblyName.Name) Then
         If File.Exists(Map.refAssemblyManagerVM.CurrProject.SelAssemblyName.Name) Then
            WriteMainPrivateProfileString(S_LAUNCHERWINDOW, K_LASTPROJECT, Map.refAssemblyManagerVM.CurrProject.SelAssemblyName.Name)
         Else
            WriteMainPrivateProfileString(S_LAUNCHERWINDOW, K_LASTPROJECT, Map.refAssemblyManagerVM.CurrProject.Name)
         End If
      ElseIf Not IsNothing(Map.refAssemblyManagerVM.CurrProject) AndAlso
             Not String.IsNullOrWhiteSpace(Map.refAssemblyManagerVM.CurrProject.Name) Then
         WriteMainPrivateProfileString(S_LAUNCHERWINDOW, K_LASTPROJECT, Map.refAssemblyManagerVM.CurrProject.Name)
      End If
      EgtExit()
      Application.Current.MainWindow.Close()
      Utility.UnLockDir()

   End Sub

   Private m_StopClosingApplication As Boolean = False
   Public ReadOnly Property StopClosingApplication As Boolean
      Get
         ' restituisce vero se l'operazione di chiusura del programma è stata interotta
         Return m_StopClosingApplication
      End Get
   End Property

#End Region ' CloseApplicationCommand

   Public Event PropertyChanged As PropertyChangedEventHandler Implements INotifyPropertyChanged.PropertyChanged

   Public Sub NotifyPropertyChanged(propName As String)
      RaiseEvent PropertyChanged(Me, New PropertyChangedEventArgs(propName))
   End Sub

End Class