Imports System.Collections.ObjectModel
Imports System.Drawing
Imports System.IO
Imports System.Reflection
Imports EgtUILib
Imports EgtWPFLib5
Imports Icarus.ImportExportMachiningPanelVM

Public Class ImportExportMachiningPanelVM
   Inherits VMBase

   Private Const m_MaterialDataExtension As String = ".mtd"
   Public Shared ReadOnly Property MaterialDataExtension As String
      Get
         Return m_MaterialDataExtension
      End Get
   End Property
   Private Const m_OriginalMaterialDataExtension As String = ".omtd"
   Public Shared ReadOnly Property OriginalMaterialDataExtension As String
      Get
         Return m_OriginalMaterialDataExtension
      End Get
   End Property
   Private Const m_MachiningDataExtension As String = ".mcd"
   Public Shared ReadOnly Property MachiningDataExtension As String
      Get
         Return m_MachiningDataExtension
      End Get
   End Property

   ' Modalita' di apertura della finestra
   Public Enum WindowModeEnum As Integer
      IMPORT = 1
      EXPORT = 2
      IMPORT_ORIG = 3
      EXPORT_ORIG = 4
   End Enum

   ' Tipo da importare/esportare
   Public Enum WindowTypeEnum As Integer
      MATERIAL = 1
      MACHINING = 2
   End Enum

   Private m_WindowMode As WindowModeEnum
   Public ReadOnly Property WindowMode As WindowModeEnum
      Get
         Return m_WindowMode
      End Get
   End Property

   Private m_WindowType As WindowTypeEnum
   Public ReadOnly Property WindowType As WindowTypeEnum
      Get
         Return m_WindowType
      End Get
   End Property

   ' Lista delle lavorazioni
   Private m_MachiningList As New ObservableCollection(Of ImpExpMachiningItem)
   Public Property MachiningList As ObservableCollection(Of ImpExpMachiningItem)
      Get
         Return m_MachiningList
      End Get
      Set(value As ObservableCollection(Of ImpExpMachiningItem))
         m_MachiningList = value
      End Set
   End Property

   ' Percorso del file da cui importare le lavorazioni
   Private m_ImportFilePath As String
   Public ReadOnly Property ImportFilePath As String
      Get
         Return m_ImportFilePath
      End Get
   End Property

   ' Lista delle lavorazioni presenti nel file da cui importare
   Private m_ImportFileMachiningNameList As String()
   Public ReadOnly Property ImportFileMachiningNameList As String()
      Get
         Return m_ImportFileMachiningNameList
      End Get
   End Property

   ' Lista delle lavorazioni importate con successo
   Private m_vsImported As String()
   Public ReadOnly Property vsImported As String()
      Get
         Return m_vsImported
      End Get
   End Property

   Public ReadOnly Property IsEnabledOkBtn As Boolean
      Get
         For Each Machining In MachiningList
            If Machining.Active Then Return True
         Next
         Return False
      End Get
   End Property

   Friend Event m_CloseWindow(bDialogResult As Boolean)

   ' Definizione comandi
   Private m_cmdOk As ICommand

#Region "MESSAGES"

   Public ReadOnly Property OkMsg As String
      Get
         If WindowMode = WindowModeEnum.IMPORT Then
            Return EgtMsg(31450)
         Else
            Return EgtMsg(31451)
         End If
      End Get
   End Property

#End Region    ' Messages

#Region "CONSTRUCTOR"

   ' export
   Sub New(Type As WindowTypeEnum, Mode As WindowModeEnum, Optional sImportFilePath As String = "")
      m_WindowType = Type
      ImpExpMachiningItem.SetWindowType(m_WindowType)
      m_WindowMode = Mode
      ' carico lista lavorazioni
      MachiningList.Clear()
      Select Case Mode
         Case WindowModeEnum.IMPORT
            Select Case Type
               Case WindowTypeEnum.MATERIAL
                  m_ImportFilePath = sImportFilePath
                  ' carico lista lavorazioni
                  MachiningList.Clear()
                  ' leggo ed aggiungo le altre
                  Dim nIndex As Integer = 1
                  Dim sGUID As String = ""
                  Dim sName As String = ""
                  Dim sMaterials As String = ""
                  Dim bIsOriginal = False
                  Dim bIsCustom = False
                  While ReadMachiningParamString(nIndex, MAT_GUID, "", sGUID, sImportFilePath) > 0
                     Dim Guid As Guid = Guid.Empty
                     Guid.TryParse(sGUID, Guid)
                     ReadMachiningParamString(nIndex, MAT_NAME, "", sName, sImportFilePath)
                     Dim sOrigGUID As String = ""
                     ReadMachiningParamString(nIndex, MAT_ORIG, "", sOrigGUID, sImportFilePath)
                     If sOrigGUID = ORIG_MATERIAL Then
                        If Not bIsOriginal Then bIsOriginal = True
                     Else
                        If Not bIsCustom Then bIsCustom = True
                     End If
                     MachiningList.Add(New ImpExpMachiningItem(nIndex, Guid, sName, AlreadyExist(sName)))
                     nIndex += 1
                  End While
                  If bIsOriginal AndAlso bIsCustom Then
                     MessageBox.Show("Corrupted file! Impossible to import it!")
                  ElseIf bIsOriginal Then
                     LoadOriginalMaterial()
                  End If
               Case WindowTypeEnum.MACHINING
                  m_ImportFilePath = sImportFilePath
                  ' carico lista lavorazioni
                  MachiningList.Clear()
                  ' leggo ed aggiungo le altre
                  Dim nIndex As Integer = 1
                  Dim sGUID As String = ""
                  Dim sName As String = ""
                  Dim sMaterials As String = ""
                  While ReadMachiningParamString(nIndex, MAC_GUID, "", sGUID, sImportFilePath) > 0
                     Dim Guid As Guid = Guid.Empty
                     Guid.TryParse(sGUID, Guid)
                     ReadMachiningParamString(nIndex, MAC_NAME, "", sName, sImportFilePath)
                     MachiningList.Add(New ImpExpMachiningItem(nIndex, Guid, sName, AlreadyExist(sName)))
                     nIndex += 1
                  End While
            End Select
         Case WindowModeEnum.EXPORT
            Select Case Type
               Case WindowTypeEnum.MATERIAL
                  ' leggo ed aggiungo le altre
                  Dim nIndex As Integer = 1
                  Dim sGUID As String = ""
                  Dim sName As String = ""
                  While ReadMaterialParamString(nIndex, MAC_GUID, "", sGUID) > 0
                     Dim sOrigGUID As String = ""
                     ReadMaterialParamString(nIndex, MAT_ORIG, "", sOrigGUID)
                     If sOrigGUID <> ORIG_MATERIAL Then
                        Dim Guid As Guid = Guid.Empty
                        Guid.TryParse(sGUID, Guid)
                        ReadMaterialParamString(nIndex, MAC_NAME, "", sName)
                        MachiningList.Add(New ImpExpMachiningItem(nIndex, Guid, sName, False))
                     End If
                     nIndex += 1
                  End While
               Case WindowTypeEnum.MACHINING
                  ' leggo ed aggiungo le altre
                  Dim nIndex As Integer = 1
                  Dim sGUID As String = ""
                  Dim sName As String = ""
                  While ReadMachiningParamString(nIndex, MAC_GUID, "", sGUID) > 0
                     Dim Guid As Guid = Guid.Empty
                     Guid.TryParse(sGUID, Guid)
                     ReadMachiningParamString(nIndex, MAC_NAME, "", sName)
                     MachiningList.Add(New ImpExpMachiningItem(nIndex, Guid, sName, False))
                     nIndex += 1
                  End While
            End Select
         Case WindowModeEnum.EXPORT_ORIG
            If Type = WindowTypeEnum.MATERIAL Then
               ' leggo ed aggiungo le altre
               Dim nIndex As Integer = 1
               Dim sGUID As String = ""
               Dim sName As String = ""
               While ReadMaterialParamString(nIndex, MAC_GUID, "", sGUID) > 0
                  Dim sOrigGUID As String = ""
                  ReadMaterialParamString(nIndex, MAT_ORIG, "", sOrigGUID)
                  If sOrigGUID = ORIG_MATERIAL Then
                     Dim Guid As Guid = Guid.Empty
                     Guid.TryParse(sGUID, Guid)
                     ReadMaterialParamString(nIndex, MAC_NAME, "", sName)
                     MachiningList.Add(New ImpExpMachiningItem(nIndex, Guid, sName, False))
                  End If
                  nIndex += 1
               End While
            End If
      End Select
      ImpExpMachiningItem.m_delEnableOkBtn = AddressOf EnableOkBtn
   End Sub

   ' import
   Sub New(sImportFilePath As String)
      m_WindowMode = WindowModeEnum.IMPORT
      m_ImportFilePath = sImportFilePath
      ' carico lista lavorazioni
      MachiningList.Clear()
      ' leggo ed aggiungo le altre
      Dim nIndex As Integer = 1
      Dim sGUID As String = ""
      Dim sName As String = ""
      Dim sMaterials As String = ""
      While ReadMachiningParamString(nIndex, MAC_GUID, "", sGUID, sImportFilePath) > 0
         Dim Guid As Guid = Guid.Empty
         Guid.TryParse(sGUID, Guid)
         ReadMachiningParamString(nIndex, MAC_NAME, "", sName, sImportFilePath)
         MachiningList.Add(New ImpExpMachiningItem(nIndex, Guid, sName, AlreadyExist(sName)))
         nIndex += 1
      End While
      ImpExpMachiningItem.m_delEnableOkBtn = AddressOf EnableOkBtn
   End Sub

#End Region    ' Constructor

#Region "METHODS"

   Private Sub EnableOkBtn()
      NotifyPropertyChanged(NameOf(IsEnabledOkBtn))
   End Sub

   Private Function AlreadyExist(MachiningName As String) As Boolean
      Select Case m_WindowType
         Case WindowTypeEnum.MATERIAL
            Return Map.refMaterialDbVM.MaterialList.Any(Function(x) x.sName = MachiningName)
         Case Else  ' WindowTypeEnum.MACHINING
            Return Map.refMachiningDbVM.MachiningList.Any(Function(x) x.sName = MachiningName)
      End Select
   End Function

   Enum MaterialState As Integer
      NOTFOUND = 1
      FOUND = 2
      NOTORIGSAMENAME = 3
   End Enum

   Private Sub LoadOriginalMaterial()
      m_WindowMode = WindowModeEnum.IMPORT_ORIG
      ' verifico se esistono materiali con lo stesso nome ma non originali
      Dim ImportedMaterialList As New List(Of MaterialState)
      For Each ImpExpMaterial In m_MachiningList
         Dim IsNotOrigSameName As MaterialState = MaterialState.NOTFOUND
         For Each DbMaterial In Map.refMaterialDbVM.MaterialList
            If DbMaterial.sName = ImpExpMaterial.sName Then
               Dim sOrigGUID As String = ""
               ReadMaterialParamString(DbMaterial.nIndex, MAT_ORIG, "", sOrigGUID)
               If sOrigGUID <> ORIG_MATERIAL Then
                  If Not IsNotOrigSameName Then IsNotOrigSameName = MaterialState.NOTORIGSAMENAME
               End If
            Else
               IsNotOrigSameName = MaterialState.FOUND
            End If
         Next
         ImportedMaterialList.Add(IsNotOrigSameName)
      Next
      If ImportedMaterialList.Contains(True) Then
         Dim sDuplicatedMaterialList As String = ""
         For Index = 0 To ImportedMaterialList.Count - 1
            If ImportedMaterialList(Index) = MaterialState.NOTORIGSAMENAME Then
               sDuplicatedMaterialList &= " - " & m_MachiningList(Index).sName & Environment.NewLine
            End If
         Next
         MessageBox.Show("Impossible to import the package because materials named:" & Environment.NewLine &
                         sDuplicatedMaterialList & Environment.NewLine &
                         "Please modify the names of these machining and then retry to import the materials.")
         Return
      End If
      ' aggiorno/aggiungo materiali
      Dim OrigFilePath As String = CurrentMachine.sMaterialFilePath
      Dim NewMaterial As Material = Nothing
      For Each Material In m_MachiningList
         Dim nIndex As Integer = Map.refMaterialDbVM.MaterialList.Max(Function(x) x.nIndex) + 1
         If Material.Active Then
            CurrentMachine.SetMaterialFilePath(ImportFilePath)
            ' leggo lavorazione da file di import
            NewMaterial = New Material(Material.nIndex)
            ' cambio guid, indice e verifico nome
            NewMaterial.sGUID = Guid.NewGuid.ToString()
            NewMaterial.SetIndex(nIndex)
            If Material.AlreadyExist Then
               If Material.ChangeName Then
                  NewMaterial.sName = Material.sName
                  Map.refMaterialDbVM.MaterialList.Add(NewMaterial)
               Else
                  ' sostituisco lavorazione gia' presente con stesso nome
                  Dim ToSubstituteMaterial As Material = Map.refMaterialDbVM.MaterialList.FirstOrDefault(Function(x) x.sName = Material.sName)
                  NewMaterial.SetIndex(ToSubstituteMaterial.nIndex)
                  NewMaterial.sGUID = ToSubstituteMaterial.sGUID
                  Dim nToReplaceIndex As Integer = Map.refMaterialDbVM.MaterialList.IndexOf(ToSubstituteMaterial)
                  Map.refMaterialDbVM.MaterialList(nToReplaceIndex) = NewMaterial
               End If
            Else
               Map.refMaterialDbVM.MaterialList.Add(NewMaterial)
            End If
            ' ripristino path corretta del Db
            CurrentMachine.SetMaterialFilePath(OrigFilePath)
            ' salvo la lavorazione
            NewMaterial.Save()
         End If
      Next
      ' ripristino path corretta del Db
      CurrentMachine.SetMaterialFilePath(OrigFilePath)
      ' seleziono ultima importata
      If Not IsNothing(NewMaterial) Then
         Map.refMaterialDbVM.SelMaterial = NewMaterial
         Map.refMaterialDbVM.NotifyPropertyChanged(NameOf(Map.refMaterialDbVM.SelMaterial))
      End If
      ' imposto Db modificato
      Map.refMaterialDbVM.SetIsModified(True)
      ' messaggio con modifiche
      Dim sMaterialList As String = ""
      For Index = 0 To ImportedMaterialList.Count - 1
         sMaterialList &= " - " & m_MachiningList(Index).sName & " (" & If(ImportedMaterialList(Index) = MaterialState.NOTFOUND, "New", "Updated") & ")" & Environment.NewLine
      Next
      MessageBox.Show("List of the materials:" & Environment.NewLine &
                      sMaterialList & Environment.NewLine &
                      "Import successfully completed.")
      Return
   End Sub

#End Region     ' METHODS

#Region "COMMANDS"

#Region "OkCommand"

   ''' <summary>
   ''' Returns a command that remove the current selected machining.
   ''' </summary>
   Public ReadOnly Property OkCommand() As ICommand
      Get
         If m_cmdOk Is Nothing Then
            m_cmdOk = New Command(AddressOf ConfirmImpExpMachinings)
         End If
         Return m_cmdOk
      End Get
   End Property

   ''' <summary>
   ''' Manage the MachiningDb closing.  This method is invoked by the CloseMachiningDbCommand.
   ''' </summary>
   Public Sub ConfirmImpExpMachinings(param As Object)
      Select Case m_WindowMode
         Case WindowModeEnum.IMPORT
            Select Case m_WindowType
               Case WindowTypeEnum.MATERIAL
                  Dim OrigFilePath As String = CurrentMachine.sMaterialFilePath
                  Dim NewMaterial As Material = Nothing
                  For Each Material In m_MachiningList
                     Dim nIndex As Integer = Map.refMaterialDbVM.MaterialList.Max(Function(x) x.nIndex) + 1
                     If Material.Active Then
                        CurrentMachine.SetMaterialFilePath(ImportFilePath)
                        ' leggo lavorazione da file di import
                        NewMaterial = New Material(Material.nIndex)
                        ' cambio guid, indice e verifico nome
                        NewMaterial.sGUID = Guid.NewGuid.ToString()
                        NewMaterial.SetIndex(nIndex)
                        If Material.AlreadyExist Then
                           If Material.ChangeName Then
                              NewMaterial.sName = Material.sName
                              Map.refMaterialDbVM.MaterialList.Add(NewMaterial)
                           Else
                              ' sostituisco lavorazione gia' presente con stesso nome
                              Dim ToSubstituteMaterial As Material = Map.refMaterialDbVM.MaterialList.FirstOrDefault(Function(x) x.sName = Material.sName)
                              NewMaterial.SetIndex(ToSubstituteMaterial.nIndex)
                              NewMaterial.sGUID = ToSubstituteMaterial.sGUID
                              Dim nToReplaceIndex As Integer = Map.refMaterialDbVM.MaterialList.IndexOf(ToSubstituteMaterial)
                              Map.refMaterialDbVM.MaterialList(nToReplaceIndex) = NewMaterial
                           End If
                        Else
                           Map.refMaterialDbVM.MaterialList.Add(NewMaterial)
                        End If
                        ' ripristino path corretta del Db
                        CurrentMachine.SetMaterialFilePath(OrigFilePath)
                        ' salvo la lavorazione
                        NewMaterial.Save()
                     End If
                  Next
                  ' ripristino path corretta del Db
                  CurrentMachine.SetMaterialFilePath(OrigFilePath)
                  ' seleziono ultima importata
                  If Not IsNothing(NewMaterial) Then
                     Map.refMaterialDbVM.SelMaterial = NewMaterial
                     Map.refMaterialDbVM.NotifyPropertyChanged(NameOf(Map.refMaterialDbVM.SelMaterial))
                  End If
                  ' imposto Db modificato
                  Map.refMaterialDbVM.SetIsModified(True)
               Case WindowTypeEnum.MACHINING
                  Dim OrigFilePath As String = CurrentMachine.sMachiningFilePath
                  Dim NewMachining As Machining = Nothing
                  For Each Machining In m_MachiningList
                     Dim nIndex As Integer = Map.refMachiningDbVM.MachiningList.Max(Function(x) x.nIndex) + 1
                     If Machining.Active Then
                        CurrentMachine.SetMachiningFilePath(ImportFilePath)
                        ' leggo lavorazione da file di import
                        NewMachining = New Machining(Machining.nIndex)
                        ' cambio guid, indice e verifico nome
                        NewMachining.sGUID = Guid.NewGuid.ToString()
                        NewMachining.SetIndex(nIndex)
                        If Machining.AlreadyExist Then
                           If Machining.ChangeName Then
                              NewMachining.sName = Machining.sName
                              Map.refMachiningDbVM.MachiningList.Add(NewMachining)
                           Else
                              ' sostituisco lavorazione gia' presente con stesso nome
                              Dim ToSubstituteMachining As Machining = Map.refMachiningDbVM.MachiningList.FirstOrDefault(Function(x) x.sName = Machining.sName)
                              NewMachining.SetIndex(ToSubstituteMachining.nIndex)
                              NewMachining.sGUID = ToSubstituteMachining.sGUID
                              Dim nToReplaceIndex As Integer = Map.refMachiningDbVM.MachiningList.IndexOf(ToSubstituteMachining)
                              Map.refMachiningDbVM.MachiningList(nToReplaceIndex) = NewMachining
                           End If
                        Else
                           Map.refMachiningDbVM.MachiningList.Add(NewMachining)
                        End If
                        ' ripristino path corretta del Db
                        CurrentMachine.SetMachiningFilePath(OrigFilePath)
                        ' salvo la lavorazione
                        NewMachining.Save()
                     End If
                  Next
                  ' ripristino path corretta del Db
                  CurrentMachine.SetMachiningFilePath(OrigFilePath)
                  ' seleziono ultima importata
                  If Not IsNothing(NewMachining) Then
                     Map.refMachiningDbVM.SelMachining = NewMachining
                     Map.refMachiningDbVM.NotifyPropertyChanged(NameOf(Map.refMachiningDbVM.SelMachining))
                  End If
                  ' imposto Db modificato
                  Map.refMachiningDbVM.SetIsModified(True)
            End Select
         Case WindowModeEnum.EXPORT, WindowModeEnum.EXPORT_ORIG
            ' chiedo il nome con cui salvare il file 
            Dim sExtension As String =""
            If m_WindowType = WindowTypeEnum.MATERIAL Then
               If m_WindowMode = WindowModeEnum.EXPORT_ORIG Then
                  sExtension = OriginalMaterialDataExtension
               Else
                  sExtension = MaterialDataExtension
               End If
            Else
               sExtension = MachiningDataExtension
            End If
            Dim SaveFileDlg As New System.Windows.Forms.SaveFileDialog() With {
               .Title = EgtMsg(31451) & " " & EgtMsg(31452),
               .Filter = "File data (*" & sExtension & ")|*" & sExtension,
               .FileName = String.Empty
            }
            If SaveFileDlg.ShowDialog() <> System.Windows.Forms.DialogResult.OK Then Return
            Dim sFilePath As String = String.Empty
            sFilePath = SaveFileDlg.FileName
            ' se esiste già lo elimino
            If File.Exists(sFilePath) Then
               Try
                  File.Delete(sFilePath)
               Catch ex As Exception
               End Try
            End If
            ' creo nuovo file
            If Not File.Exists(sFilePath) Then
               Try
                  File.WriteAllLines(sFilePath, {"; Commento per evitare BOM con UTF-8"})
               Catch ex As Exception
               End Try
            End If
            Select Case m_WindowType
               Case WindowTypeEnum.MATERIAL
                  Dim ActiveMachiningList As List(Of Material) = (From Material In Map.refMaterialDbVM.MaterialList
                                                                  Select Material
                                                                  Where m_MachiningList.Any(Function(x) x.sGUID.ToString() = Material.sGUID AndAlso x.Active)).ToList()
                  ' salvo tutti i materiali sul Db
                  For Index = 0 To ActiveMachiningList.Count - 1
                     ActiveMachiningList(Index).WriteParamsOnDb(Index + 1, sFilePath)
                  Next
               Case WindowTypeEnum.MACHINING
                  Dim ActiveMachiningList As List(Of Machining) = (From Machining In Map.refMachiningDbVM.MachiningList
                                                                   Select Machining
                                                                   Where m_MachiningList.Any(Function(x) x.sGUID.ToString() = Machining.sGUID AndAlso x.Active)).ToList()
                  ' salvo tutte le lavorazioni sul Db
                  For Index = 0 To ActiveMachiningList.Count - 1
                     ActiveMachiningList(Index).WriteParamsOnDb(Index + 1, sFilePath)
                  Next
            End Select
      End Select
      ' Chiusura finestra
      RaiseEvent m_CloseWindow(True)
   End Sub

#End Region    ' OkCommand

#End Region    ' Commands

End Class

Public Class ImpExpMachiningItem
   Inherits VMBase

   Public Const IMPEXPNAME As String = "_imp"

   ' Actions
   Friend Shared m_delEnableOkBtn As Action

   Private Shared m_Empty As New MachiningIndex(-1, Guid.Empty, "None")

   Private Shared m_WindowType As WindowTypeEnum
   Friend Shared Sub SetWindowType(value As WindowTypeEnum)
      m_WindowType = value
   End Sub

   Private m_nIndex As Integer
   Public ReadOnly Property nIndex As Integer
      Get
         Return m_nIndex
      End Get
   End Property

   Private m_sGUID As Guid
   Public ReadOnly Property sGUID As Guid
      Get
         Return m_sGUID
      End Get
   End Property

   Private m_sOrigName As String
   Private m_sName As String
   Public ReadOnly Property sName As String
      Get
         Return m_sName
      End Get
   End Property

   Private m_Active As Boolean
   Public Property Active As Boolean
      Get
         Return m_Active
      End Get
      Set(value As Boolean)
         ' se esiste gia' chiedo se sovrascriverla
         If value Then
            If m_AlreadyExist Then
               Select Case m_WindowType
                  Case WindowTypeEnum.MATERIAL
                     Select Case System.Windows.MessageBox.Show("Material already existing in Db. Overwrite it?", "", MessageBoxButton.YesNoCancel)
                        Case MessageBoxResult.Yes
                           m_ChangeName = False
                           m_Active = True
                        Case MessageBoxResult.No
                           Dim bImpNameAlreadyInList = False
                           Dim nImpNameIndex As Integer = 0
                           If Map.refMaterialDbVM.MaterialList.Any(Function(x) x.sName = m_sOrigName & IMPEXPNAME) Then
                              nImpNameIndex += 1
                              While Map.refMaterialDbVM.MaterialList.Any(Function(x) x.sName = m_sOrigName & IMPEXPNAME & "_" & nImpNameIndex)
                                 nImpNameIndex += 1
                              End While
                           End If
                           m_sName = m_sOrigName & IMPEXPNAME & If(nImpNameIndex > 0, "_" & nImpNameIndex, "")
                           System.Windows.MessageBox.Show("Material will be imported with the name: " & m_sName, "", MessageBoxButton.OK)
                           NotifyPropertyChanged(NameOf(sName))
                           m_ChangeName = True
                           m_Active = True
                        Case Else
                           m_Active = False
                     End Select
                  Case WindowTypeEnum.MACHINING
                     Select Case System.Windows.MessageBox.Show("Machining already existing in Db. Overwrite it?", "", MessageBoxButton.YesNoCancel)
                        Case MessageBoxResult.Yes
                           m_ChangeName = False
                           m_Active = True
                        Case MessageBoxResult.No
                           Dim bImpNameAlreadyInList = False
                           Dim nImpNameIndex As Integer = 0
                           If Map.refMachiningDbVM.MachiningList.Any(Function(x) x.sName = m_sOrigName & IMPEXPNAME) Then
                              nImpNameIndex += 1
                              While Map.refMachiningDbVM.MachiningList.Any(Function(x) x.sName = m_sOrigName & IMPEXPNAME & "_" & nImpNameIndex)
                                 nImpNameIndex += 1
                              End While
                           End If
                           m_sName = m_sOrigName & IMPEXPNAME & If(nImpNameIndex > 0, "_" & nImpNameIndex, "")
                           System.Windows.MessageBox.Show("Machining will be imported with the name: " & m_sName, "", MessageBoxButton.OK)
                           NotifyPropertyChanged(NameOf(sName))
                           m_ChangeName = True
                           m_Active = True
                        Case Else
                           m_Active = False
                     End Select
               End Select
               NotifyPropertyChanged(NameOf(Active))
            Else
               m_Active = True
            End If
         Else
            m_ChangeName = False
            m_Active = False
            m_sName = m_sOrigName
            NotifyPropertyChanged(NameOf(sName))
         End If
         NotifyPropertyChanged(NameOf(Overwrite_Visibility))
         If Not IsNothing(m_delEnableOkBtn) Then m_delEnableOkBtn()
      End Set
   End Property

   ' Parametro che indica se questo item da importare esiste gia'
   Private m_AlreadyExist As Boolean
   Friend ReadOnly Property AlreadyExist As Boolean
      Get
         Return m_AlreadyExist
      End Get
   End Property

   Private m_Overwrite_Visibility As Visibility = Visibility.Collapsed
   Public ReadOnly Property Overwrite_Visibility As Visibility
      Get
         Return If(m_Active AndAlso m_AlreadyExist AndAlso Not m_ChangeName, Visibility.Visible, Visibility.Collapsed)
      End Get
   End Property

   ' Parametro che indica se cambiare il nome di un item che esiste gia' o sovrascriverlo
   Private m_ChangeName As Boolean
   Friend Property ChangeName As Boolean
      Get
         Return m_ChangeName
      End Get
      Set(value As Boolean)
         m_ChangeName = value
      End Set
   End Property

   Sub New(nIndex As Integer, GUID As Guid, sName As String, AlreadyExist As Boolean)
      m_nIndex = nIndex
      m_sGUID = GUID
      m_sOrigName = sName
      m_sName = sName
      m_AlreadyExist = AlreadyExist
      m_Active = False
   End Sub

   Friend Shared Function Empty() As MachiningIndex
      Return m_Empty
   End Function

End Class