Imports EgtWPFLib5
Imports EgtUILib
Imports Microsoft.Win32
Imports System.IO

Public Class SliceManagerVM
   Inherits VMBase

#Region "FIELDS & PROPERTIES"

   Private Enum CalcSteps As Integer
      NULL = 0
      CALC_INTERSECTIONS = 1
      SLICING = 2
      CALC_PATHS = 3
      CALC_TOOLPATHS = 4
      CALC_SOLIDS = 5
      CALCTSF = 6
      GENERATE = 7
   End Enum

   ' variabile che indica se sono in corso i calcoli
   Private m_bCalculating As Boolean = False
   Friend ReadOnly Property bCalculating As Boolean
      Get
         Return m_bCalculating
      End Get
   End Property

#Region "ProgressBar"

   ' Funzioni di callback per output in interfaccia da LUA
   Private m_ProcEventsCallback As New ProcessEventsCallback(AddressOf ProcessEvents)

   Private m_bSlice As Boolean = False
   Private m_bCalcTFS As Boolean = False
   Private m_bGenerate As Boolean = False
   Private m_bCalcSolid As Boolean = False
   Friend Sub SetCalcSolid(value As Boolean)
      m_bCalcSolid = value
   End Sub

   Private m_SliceManagerState As CalcSteps

   Private m_CalcStep As CalcSteps = CalcSteps.NULL

   Public ReadOnly Property sLoadingText As String
      Get
         Select Case m_SliceManagerState
            Case CalcSteps.CALC_INTERSECTIONS
               Return "Calculating Intersections..."
            Case CalcSteps.SLICING
               Return "Slicing..."
            Case CalcSteps.CALC_PATHS
               Return "Calculating Paths..."
            Case CalcSteps.CALC_TOOLPATHS
               Return "Calculating Toolpaths..."
            Case CalcSteps.CALC_SOLIDS
               Return "Calculating Solids..."
            Case CalcSteps.CALCTSF
               Return "Calculating Feed & Speed..."
            Case CalcSteps.GENERATE
               Return "Generating..."
            Case Else
               Return ""
         End Select
      End Get
   End Property

   Private m_PartialLoading_Value As Integer = 0
   Public Property PartialLoading_Value As Integer
      Get
         Return m_PartialLoading_Value
      End Get
      Set(value As Integer)
         m_PartialLoading_Value = value
      End Set
   End Property
   Private Sub SetPartialLoading(value As Integer)
      m_PartialLoading_Value = value
      NotifyPropertyChanged(NameOf(PartialLoading_Value))
   End Sub

   Private m_MainLoading_Value As Integer = 0
   Public Property MainLoading_Value As Integer
      Get
         Return m_MainLoading_Value
      End Get
      Set(value As Integer)
         m_MainLoading_Value = value
      End Set
   End Property
   Private Sub SetMainLoadingValue(value As Integer)
      m_MainLoading_Value = value
      NotifyPropertyChanged(NameOf(MainLoading_Value))
   End Sub

   Private m_Loading_Visibility As Visibility = Visibility.Collapsed
   Public Property Loading_Visibility As Visibility
      Get
         Return m_Loading_Visibility
      End Get
      Set(value As Visibility)
         m_Loading_Visibility = value
      End Set
   End Property
   Friend Sub SetLoadingVisibility(bIsVisible As Boolean)
      m_Loading_Visibility = If(bIsVisible, Visibility.Visible, Visibility.Collapsed)
      NotifyPropertyChanged(NameOf(Loading_Visibility))
   End Sub

#End Region    ' ProgressBar

   Private m_dTime As Double = 0
   Public ReadOnly Property ghTime As String
      Get
         Dim dtTime As TimeSpan = TimeSpan.FromSeconds(m_dTime)
         Return Math.Floor(dtTime.TotalHours) & "hours " & Math.Floor(dtTime.Minutes) & "min " & Math.Ceiling(dtTime.Seconds) & "sec"
      End Get
   End Property

   Private m_dMass As Double = 0
   Public ReadOnly Property ghMass As String
      Get
         Return DoubleToString(m_dMass, 1) & " kg"
      End Get
   End Property

   Public ReadOnly Property Time_Visibility As Visibility
      Get
         Return If(m_dTime > 0, Visibility.Visible, Visibility.Collapsed)
      End Get
   End Property

   Public ReadOnly Property Mass_Visibility As Visibility
      Get
         Return If(m_dMass > 0, Visibility.Visible, Visibility.Collapsed)
      End Get
   End Property

   Private m_Buttons_IsEnabled As Boolean = True
   Public ReadOnly Property Buttons_IsEnabled As Boolean
      Get
         Return m_Buttons_IsEnabled
      End Get
   End Property
   Friend Sub SetButtonsIsEnabled(value As Boolean)
      m_Buttons_IsEnabled = value
      NotifyPropertyChanged(NameOf(Buttons_IsEnabled))
   End Sub

   Private m_ModifyMode_Visibility As Visibility = Visibility.Collapsed
   Public ReadOnly Property ModifyMode_Visibility As Visibility
      Get
         Return m_ModifyMode_Visibility
      End Get
   End Property

   Private m_SliceMode_Visibility As Visibility = Visibility.Collapsed
   Public ReadOnly Property SliceMode_Visibility As Visibility
      Get
         Return m_SliceMode_Visibility
      End Get
   End Property

   ' Definizione comandi
   Private m_cmdSlice As ICommand
   Private m_cmdSimulate As ICommand
   Private m_cmdUpdate As ICommand
   Private m_cmdGenerate As ICommand
   Private m_cmdExit As ICommand

#End Region    ' FIELDS & PROPERTIES

#Region "CONSTRUCTORS"

   Sub New()
      ' Creo riferimento a questa classe in EgtCAM5Map
      Map.SetRefSliceManagerVM(Me)
      ' Installo funzione gestione eventi per lua
      EgtSetProcessEvents(m_ProcEventsCallback)
      UpdateState(False)
   End Sub

#End Region    ' CONSTRUCTORS

#Region "METHODS"

   Friend Sub UpdateState(bState As Boolean)
      If bState Then
         m_ModifyMode_Visibility = Visibility.Collapsed
         m_SliceMode_Visibility = Visibility.Visible
      Else
         m_ModifyMode_Visibility = Visibility.Visible
         m_SliceMode_Visibility = Visibility.Collapsed
      End If
      NotifyPropertyChanged(NameOf(ModifyMode_Visibility))
      NotifyPropertyChanged(NameOf(SliceMode_Visibility))
   End Sub

   Friend Sub UpdateTimeAndMass()
      Dim nLayTFSCalcId As Integer = EgtGetFirstNameInGroup(GDB_ID.ROOT, LAY_TFSCALC)
      If nLayTFSCalcId <> GDB_ID.NULL Then
         EgtGetInfo(nLayTFSCalcId, "Ttot", m_dTime)
         EgtGetInfo(nLayTFSCalcId, KEY_MASS, m_dMass)
      Else
         m_dTime = 0
         m_dMass = 0
      End If
      NotifyPropertyChanged(NameOf(ghTime))
      NotifyPropertyChanged(NameOf(ghMass))
      NotifyPropertyChanged(NameOf(Time_Visibility))
      NotifyPropertyChanged(NameOf(Mass_Visibility))
   End Sub

   Private Function ProcessEvents(ByVal nProg As Integer, ByVal nPause As Integer) As Integer
      ' Se previsto, imposto progress
      If nProg >= 0 Then
         Dim dPartialProgress As Integer = 0
         Dim NewSliceManagerState = Math.DivRem(nProg, 100, dPartialProgress)
         If dPartialProgress = 0 Then
            m_SliceManagerState = NewSliceManagerState
            dPartialProgress = 100
         Else
            m_SliceManagerState = NewSliceManagerState + 1
         End If
         'EgtOutLog("SliceManagerState: " & m_SliceManagerState)
         NotifyPropertyChanged(NameOf(sLoadingText))
         SetPartialLoading(dPartialProgress)
         'EgtOutLog("PartialProgress: " & dPartialProgress)
         Dim dCalcTSFMax As Double = If(m_bSlice, 15, 70)
         Dim dGenerateMax As Double = If(m_bSlice, 5, 30)
         Dim dMainProgress As Double = 0
         If m_bSlice Then
            If m_SliceManagerState > CalcSteps.SLICING Then
               dMainProgress += 10
            ElseIf m_SliceManagerState = CalcSteps.SLICING Then
               dMainProgress += 10 / 100 * dPartialProgress
            End If
            If m_SliceManagerState > CalcSteps.CALC_PATHS Then
               dMainProgress += 10
            ElseIf m_SliceManagerState = CalcSteps.CALC_PATHS Then
               dMainProgress += 10 / 100 * dPartialProgress
            End If
            If m_SliceManagerState > CalcSteps.CALC_TOOLPATHS Then
               dMainProgress += 10
            ElseIf m_SliceManagerState = CalcSteps.CALC_TOOLPATHS Then
               dMainProgress += 10 / 100 * dPartialProgress
            End If
            If m_SliceManagerState > CalcSteps.CALC_SOLIDS Then
               dMainProgress += 50
            ElseIf m_SliceManagerState = CalcSteps.CALC_SOLIDS Then
               dMainProgress += 50 / 100 * dPartialProgress
            End If
         End If
         If m_bCalcSolid Then
            dMainProgress += dPartialProgress
         End If
         If m_bCalcTFS Then
            If m_SliceManagerState > CalcSteps.CALCTSF Then
               dMainProgress += dCalcTSFMax
            ElseIf m_SliceManagerState = CalcSteps.CALCTSF Then
               dMainProgress += dCalcTSFMax / 100 * dPartialProgress
            End If
         End If
         If m_bGenerate Then
            If m_SliceManagerState > CalcSteps.GENERATE Then
               dMainProgress += dGenerateMax
            ElseIf m_SliceManagerState = CalcSteps.GENERATE Then
               dMainProgress += dGenerateMax / 100 * dPartialProgress
            End If
         End If
         SetMainLoadingValue(dMainProgress)
         'EgtOutLog("MainProgress: " & dMainProgress)
      End If
      ' Costringo ad aggiornare
      UpdateUI()
      ' Eventuale attesa
      Threading.Thread.Sleep(nPause)
      '' Ritorno eventuale stop
      'If m_bStopScript Then
      '   m_bStopScript = False
      '   Return 1
      'Else
      '   Return 0
      'End If
      Return 0
   End Function

   Friend Function CalcSlice(bGenerate As Boolean, Optional bForceGenerate As Boolean = False) As Boolean
      ' Verifico nome progetto
      Dim sCurrProject As String = String.Empty
      EgtGetCurrFilePath(sCurrProject)
      If String.IsNullOrWhiteSpace(sCurrProject) Or EgtGetFileType(sCurrProject) <> FT.NGE Then
         Map.refSceneHostVM.SaveAsProject()
      End If
      EgtGetCurrFilePath(sCurrProject)
      If String.IsNullOrWhiteSpace(sCurrProject) Or EgtGetFileType(sCurrProject) <> FT.NGE Then
         MessageBox.Show("Save project before calculating slices!", "Error", MessageBoxButton.OK, MessageBoxImage.Error)
         Return False
      End If
      ' mostro barre di caricamento
      SetLoadingVisibility(True)
      ' disabilito ProjManager, TopPanel, TFS, Slider, bottoni e uscita dal programma
      Map.refProjManagerVM.SetProjCmdIsEnabled(False)
      Map.refTopPanelVM.SetTopPanelIsEnabled(False)
      Map.refViewLayerManagerVM.SetViewLayerManagerIsEnabled(False)
      Map.refTFSEditorVM.SetTFSEditorIsEnabled(False)
      Map.refSliderManagerVM.SetLayerIndexIsEnabled(False)
      Map.refSliderManagerVM.SetLayerAdvancementIsEnabled(False)
      SetButtonsIsEnabled(False)
      ' verifico se eseguire slice
      m_bSlice = False
      m_bCalcTFS = False
      m_bGenerate = bGenerate
      Dim bOk As Boolean = True
      Dim bToRecalcSlice As Boolean = False
      Dim bToRecalcTFS As Boolean = False
      Dim bToRecalcGenerate As Boolean = False
      Dim nPartId As Integer = EgtGetFirstPart()
      While nPartId <> GDB_ID.NULL
         Dim bTemp As Boolean = False
         If EgtGetInfo(nPartId, MAC_TORECALC_SLICE, bTemp) AndAlso bTemp Then
            bToRecalcSlice = True
         End If
         If EgtGetInfo(nPartId, MAC_TORECALC_TFS, bTemp) AndAlso bTemp Then
            bToRecalcTFS = True
         End If
         If EgtGetInfo(nPartId, MAC_TORECALC_GENERATE, bTemp) AndAlso bTemp Then
            bToRecalcGenerate = True
         End If
         nPartId = EgtGetNextPart(nPartId)
      End While
      If bToRecalcSlice Then
         m_bSlice = True
         m_bCalcTFS = True
         m_bGenerate = bForceGenerate OrElse (bGenerate AndAlso bToRecalcGenerate)
      Else
         m_bSlice = False
         m_bCalcTFS = bToRecalcTFS
         m_bGenerate = bForceGenerate OrElse (bGenerate AndAlso bToRecalcGenerate)
      End If
      If m_bSlice OrElse m_bCalcTFS Then
         nPartId = EgtGetFirstPart()
         While nPartId <> GDB_ID.NULL
            EgtSetInfo(nPartId, MAC_TORECALC_GENERATE, True)
            nPartId = EgtGetNextPart(nPartId)
         End While
      End If
      ' Aggiorno dati macchina
      If m_bCalcTFS Then Map.refTFSEditorVM.UpdateSpeedMinMax()
      ' eseguo calcolo slicing, toolpath e solidi
      bOk = ExecSlice(m_bSlice, m_bCalcTFS)
      ' se calcolo andato a buon fine
      If bOk Then
         ' rimuovo flag richiesta ricalcolo
         Dim nCurrPartId As Integer = EgtGetFirstPart()
         While nCurrPartId <> GDB_ID.NULL
            ' eseguo rimozione flag
            If m_bSlice Then EgtRemoveInfo(nCurrPartId, MAC_TORECALC_SLICE)
            If m_bCalcTFS Then EgtRemoveInfo(nCurrPartId, MAC_TORECALC_TFS)
            nCurrPartId = EgtGetNextPart(nCurrPartId)
         End While
         ' aggiorno massa
         Dim nLayTFSCalcId As Integer = EgtGetFirstNameInGroup(GDB_ID.ROOT, LAY_TFSCALC)
         EgtGetInfo(nLayTFSCalcId, KEY_MASS, m_dMass)
         NotifyPropertyChanged(NameOf(ghMass))
      End If
      Map.refTFSEditorVM.Refresh()
      Map.refTopPanelVM.SelPart.RefreshPrintLayers()
      ' in caso di errore, segnalazione
      If Not bOk Then
         MessageBox.Show("Error in slicing! See log file.", "Error", MessageBoxButton.OK, MessageBoxImage.Error)
      End If
      If bOk And m_bGenerate Then
         ' verifico esistenza e correttezza machgroup
         InitMachGroup(True)
         ' eseguo generazione CN
         bOk = ExecGenerate()
         ' leggo stima tempo e la riporto in layer di calcolo
         EgtGetInfo(EgtGetFirstMachGroup(), "Ttot", m_dTime)
         NotifyPropertyChanged(NameOf(ghTime))
         Dim nLayTFSCalcId As Integer = EgtGetFirstNameInGroup(GDB_ID.ROOT, LAY_TFSCALC)
         EgtSetInfo(nLayTFSCalcId, "Ttot", m_dTime)
         ' se calcolo andato a buon fine, rimuovo flag richiesta ricalcolo
         If bOk Then
            Dim nCurrPartId As Integer = EgtGetFirstPart()
            While nCurrPartId <> GDB_ID.NULL
               ' eseguo rimozione flag
               EgtRemoveInfo(nCurrPartId, MAC_TORECALC_GENERATE)
               nCurrPartId = EgtGetNextPart(nCurrPartId)
            End While
         Else
            MessageBox.Show("Error in NC code generation! See log file.", "Error", MessageBoxButton.OK, MessageBoxImage.Error)
         End If
      End If
      ' Aggiorno intestazione programma
      Map.refSceneHostVM.EmitTitle()
      ' nascondo barre di caricamento
      SetLoadingVisibility(False)
      ' riabilito ProjManager, TopPanel e uscita dal programma
      Map.refProjManagerVM.SetProjCmdIsEnabled(True)
      Map.refTopPanelVM.SetTopPanelIsEnabled(True)
      Map.refViewLayerManagerVM.SetViewLayerManagerIsEnabled(True)
      Map.refTFSEditorVM.SetTFSEditorIsEnabled(True)
      Map.refSliderManagerVM.SetLayerIndexIsEnabled(True)
      Map.refSliderManagerVM.SetLayerAdvancementIsEnabled(True)
      SetButtonsIsEnabled(True)
      m_bSlice = False
      m_bCalcTFS = False
      m_bGenerate = False
      Return bOk
   End Function

   Friend Sub InitMachGroup(bGenerate As Boolean)
      If bGenerate Then
         Dim nMachGroupId As Integer = EgtGetFirstMachGroup()
         While nMachGroupId <> GDB_ID.NULL
            EgtRemoveMachGroup(nMachGroupId)
            nMachGroupId = EgtGetFirstMachGroup()
         End While
         ' Definisco e posiziono il grezzo sulla tavola
         EgtAddMachGroup("3dPrint")
         EgtSetTable("Tab")
         For Each CurrPart In Map.refTopPanelVM.PartList
            Dim b3Part As New BBox3d
            Dim b3PrintSolid As New BBox3d
            EgtGetBBoxGlob(CurrPart.nPartId, GDB_BB.STANDARD, b3Part)
            EgtGetBBoxGlob(CurrPart.nPrintSolidId, GDB_BB.STANDARD, b3PrintSolid)
            Dim nRawId As Integer = EgtAddRawPart(b3PrintSolid.Min, b3PrintSolid.DimX, b3PrintSolid.DimY, b3PrintSolid.DimZ, New Color3d(128, 128, 128, 30))
            EgtAddPartToRawPart(CurrPart.nPartId, Point3d.ORIG() + (b3Part.Min - b3PrintSolid.Min), nRawId)
            EgtMoveToCornerRawPart(nRawId, b3PrintSolid.Min, MCH_CR.BL)
         Next
         EgtResetCurrMachGroup()
      Else
         ' esecuzione script prima di inizio Mach
         ExecInitMachScript()
         EgtSetCurrMachGroup(EgtGetFirstMachGroup())
      End If
   End Sub

   Private Function ExecInitMachScript() As Boolean
      ' Recupero il nome dello script e verifico esista
      Dim sInitMachScriptPath As String = ""
      If EgtUILib.GetPrivateProfileString(S_MACHINING, K_MACH_INITSCRIPT, "", sInitMachScriptPath, CurrentMachine.sMachIniFile) = 0 Then Return True
      sInitMachScriptPath = (CurrentMachine.sMachScriptDir & "\" & sInitMachScriptPath).TrimEnd({"\"c})
      If Not My.Computer.FileSystem.FileExists(sInitMachScriptPath) Then Return True
      ' Eseguo lo script
      EgtLuaCreateGlobTable("MACH")
      If Not EgtLuaExecFile(sInitMachScriptPath) Then
         EgtOutLog("Error executing Machining init script " & sInitMachScriptPath)
         MessageBox.Show(EgtMsg(5463) & " " & sInitMachScriptPath, EgtMsg(5461), MessageBoxButton.OK, MessageBoxImage.Error)
         Return False
      End If
      Dim nErr As Integer = 999
      EgtLuaGetGlobIntVar("MACH.ERR", nErr)
      EgtLuaResetGlobVar("MACH")
      Return nErr = 0
   End Function

   Friend Function ExecExitMachScript() As Boolean
      ' Recupero il nome dello script e verifico esista
      Dim sExitMachScriptPath As String = ""
      If EgtUILib.GetPrivateProfileString(S_MACHINING, K_MACH_EXITSCRIPT, "", sExitMachScriptPath, CurrentMachine.sMachIniFile) = 0 Then Return True
      sExitMachScriptPath = CurrentMachine.sMachScriptDir & "\" & sExitMachScriptPath
      If Not My.Computer.FileSystem.FileExists(sExitMachScriptPath) Then Return True
      ' Eseguo lo script
      EgtLuaCreateGlobTable("MACH")
      If Not EgtLuaExecFile(sExitMachScriptPath) Then
         EgtOutLog("Error executing Machining exit script " & sExitMachScriptPath)
         MessageBox.Show(EgtMsg(5464) & " " & sExitMachScriptPath, EgtMsg(5461), MessageBoxButton.OK, MessageBoxImage.Error)
         Return False
      End If
      Dim nErr As Integer = 999
      EgtLuaGetGlobIntVar("MACH.ERR", nErr)
      EgtLuaResetGlobVar("MACH")
      Return nErr = 0
   End Function

#End Region    ' METHODS

#Region "COMMANDS"

#Region "Slice"

   ''' <summary>
   ''' Returns a command that do CPlaneTop.
   ''' </summary>
   Public ReadOnly Property Slice_Command As ICommand
      Get
         If m_cmdSlice Is Nothing Then
            m_cmdSlice = New Command(AddressOf Slice)
         End If
         Return m_cmdSlice
      End Get
   End Property

   ''' <summary>
   ''' Execute the CPlaneTop.  This method is invoked by the CPlaneTopCommand.
   ''' </summary>
   Public Sub Slice()
      If m_bCalculating Then Return
      m_bCalculating = True
      If IsNothing(Map.refTopPanelVM.SelPart) Then
         MessageBox.Show("No parts to slice!", "Error", MessageBoxButton.OK, MessageBoxImage.Error)
         m_bCalculating = False
         Return
      End If
      If IsNothing(Map.refTopPanelVM.SelMaterial) Then
         MessageBox.Show("No print material set!", "Error", MessageBoxButton.OK, MessageBoxImage.Error)
         m_bCalculating = False
         Return
      End If
      If IsNothing(Map.refTopPanelVM.SelMachining) OrElse IsNothing(Map.refTopPanelVM.CurrMachining) OrElse Map.refTopPanelVM.CurrMachining.dCurrStrandH <= 0 Then
         MessageBox.Show("No print parameters set!", "Error", MessageBoxButton.OK, MessageBoxImage.Error)
         m_bCalculating = False
         Return
      End If
      ' esco da altre pagine
      Map.refTopPanelVM.SelPage = Pages.NULL
      ' eseguo calcoli
      CalcSlice(False)
      Map.refTopPanelVM.SelPage = Pages.SLICE
      Map.refSliderManagerVM.SetLayerIndexToMax()
      NotifyPropertyChanged(NameOf(Time_Visibility))
      NotifyPropertyChanged(NameOf(Mass_Visibility))
      m_bCalculating = False
   End Sub

#End Region ' Slice

#Region "Update"

   ''' <summary>
   ''' Returns a command that do CPlaneTop.
   ''' </summary>
   Public ReadOnly Property Update_Command As ICommand
      Get
         If m_cmdUpdate Is Nothing Then
            m_cmdUpdate = New Command(AddressOf Update)
         End If
         Return m_cmdUpdate
      End Get
   End Property

   ''' <summary>
   ''' Execute the CPlaneTop.  This method is invoked by the CPlaneTopCommand.
   ''' </summary>
   Public Sub Update()
      If m_bCalculating Then Return
      m_bCalculating = True
      ' eseguo calcoli
      CalcSlice(False)
      NotifyPropertyChanged(NameOf(Time_Visibility))
      NotifyPropertyChanged(NameOf(Mass_Visibility))
      m_bCalculating = False
   End Sub

#End Region ' Update

#Region "Generate"

   ''' <summary>
   ''' Returns a command that do CPlaneTop.
   ''' </summary>
   Public ReadOnly Property Generate_Command As ICommand
      Get
         If m_cmdGenerate Is Nothing Then
            m_cmdGenerate = New Command(AddressOf Generate)
         End If
         Return m_cmdGenerate
      End Get
   End Property

   ''' <summary>
   ''' Execute the CPlaneTop.  This method is invoked by the CPlaneTopCommand.
   ''' </summary>
   Public Sub Generate()
      If m_bCalculating Then Return
      m_bCalculating = True
      Dim bShiftPressed As Boolean = (Keyboard.Modifiers And ModifierKeys.Shift) = ModifierKeys.Shift
      Dim bCtrlPressed As Boolean = (Keyboard.Modifiers And ModifierKeys.Control) = ModifierKeys.Control
      ' se shift chiedo nome
      Dim sIsoFilePath As String = ""
      Dim sExtension As String = ""
      GetPrivateProfileString(S_PARTPROGRAM, K_EXTENSION, "", sExtension, CurrentMachine.sMachIniFile)
      If String.IsNullOrWhiteSpace(sExtension) Then
         sExtension = ".cnc"
      End If
      If bCtrlPressed Then
         Dim sCurrFilePath As String = ""
         Dim sInitialDirectory As String = ""
         EgtGetCurrFilePath(sCurrFilePath)
         If Not IsNothing(sCurrFilePath) Then
            sInitialDirectory = System.IO.Path.ChangeExtension(sCurrFilePath, sExtension)
         End If
         Dim NewSaveFileDialog As New Windows.Forms.SaveFileDialog With {.Title = "ISO File Name",
                                                     .Filter = "|*" & sExtension,
                                                     .FilterIndex = 1,
                                                     .InitialDirectory = System.IO.Path.GetDirectoryName(sInitialDirectory),
                                                     .FileName = sInitialDirectory,
                                                     .CreatePrompt = True,
                                                     .OverwritePrompt = True,
                                                     .ValidateNames = False}
         Dim bResult As Boolean? = NewSaveFileDialog.ShowDialog()
         If IsNothing(bResult) OrElse Not bResult Then
            m_bCalculating = False
            Return
         End If
         Dim nTabPartId As Integer = EgtGetFirstNameInGroup(GDB_ID.ROOT, TABLE)
         If nTabPartId <> GDB_ID.NULL Then
            EgtSetInfo(nTabPartId, KEY_ISOFILE_PATH, NewSaveFileDialog.FileName)
            sIsoFilePath = NewSaveFileDialog.FileName
         End If
      Else
         Dim nTabPartId As Integer = EgtGetFirstNameInGroup(GDB_ID.ROOT, TABLE)
         If nTabPartId <> GDB_ID.NULL Then
            EgtGetInfo(nTabPartId, KEY_ISOFILE_PATH, sIsoFilePath)
            If String.IsNullOrWhiteSpace(sIsoFilePath) OrElse Not Directory.Exists(Path.GetDirectoryName(sIsoFilePath)) Then
               EgtGetCurrFilePath(sIsoFilePath)
               sIsoFilePath = System.IO.Path.ChangeExtension(sIsoFilePath, sExtension)
               EgtSetInfo(nTabPartId, KEY_ISOFILE_PATH, sIsoFilePath)
            End If
         End If
      End If
      ' eseguo calcoli
      CalcSlice(True, True)
      If bShiftPressed Then
         ' Se esiste ne lancio l'editing
         If File.Exists(sIsoFilePath) Then
            Process.Start("Notepad.exe", sIsoFilePath)
            ' altrimenti lo segnalo
         Else
            MessageBox.Show("Edit failed, missing part program file" & " (" & sIsoFilePath & ")")
         End If
      End If
      NotifyPropertyChanged(NameOf(Time_Visibility))
      NotifyPropertyChanged(NameOf(Mass_Visibility))
      m_bCalculating = False
   End Sub

#End Region ' Generate

#Region "Simulate"

   ''' <summary>
   ''' Returns a command that do CPlaneTop.
   ''' </summary>
   Public ReadOnly Property Simulate_Command As ICommand
      Get
         If m_cmdSimulate Is Nothing Then
            m_cmdSimulate = New Command(AddressOf Simulate)
         End If
         Return m_cmdSimulate
      End Get
   End Property

   ''' <summary>
   ''' Execute the CPlaneTop.  This method is invoked by the CPlaneTopCommand.
   ''' </summary>
   Public Sub Simulate()
      m_bCalculating = True
      ' eseguo calcoli
      CalcSlice(True)
      m_bCalculating = False
      ' verifico esistenza e correttezza machgroup
      InitMachGroup(False)
      ' apro simulazione
      Map.refRightPanelVM.SetSelPanel(RightPanelVM.Panels.SIMULATION)
   End Sub

#End Region ' Simulate

#Region "Exit"

   ''' <summary>
   ''' Returns a command that do CPlaneTop.
   ''' </summary>
   Public ReadOnly Property Exit_Command As ICommand
      Get
         If m_cmdExit Is Nothing Then
            m_cmdExit = New Command(AddressOf ExitCmd)
         End If
         Return m_cmdExit
      End Get
   End Property

   ''' <summary>
   ''' Execute the CPlaneTop.  This method is invoked by the CPlaneTopCommand.
   ''' </summary>
   Public Sub ExitCmd()
      ' se in simulazione
      If Map.refRightPanelVM.SelPanel = RightPanelVM.Panels.SIMULATION Then
         ' la chiudo
         Map.refSimulationPanelVM.Ok()
      End If
      Map.refTopPanelVM.SelPage = Pages.MODIFY
   End Sub

#End Region ' Exit

#End Region    ' COMMANDS

End Class