Imports System.Collections.ObjectModel
Imports EgtUILib
Imports EgtWPFLib5

Public Class SideEntityControlVM
   Inherits VMBase

   Public Enum ModeOpt As Integer
      SIDEANGLE = 0
      DRIP = 1
   End Enum

   Public Enum CallingWindowOpt As Integer
      COMPO = 0
      DXFIMPORT = 1
   End Enum

   ' Variabile che indica se sono in sideangle o drip
   Friend m_Mode As ModeOpt

   Friend Shared m_SideAngleCheck As Boolean = False

   ' Lista di tutte le entità inclinabili presenti nel progetto
   Private m_SideEntityList As ObservableCollection(Of SideEntity)
   Public Property SideEntityList As ObservableCollection(Of SideEntity)
      Get
         Return m_SideEntityList
      End Get
      Set(value As ObservableCollection(Of SideEntity))
         m_SideEntityList = value
      End Set
   End Property

   Public ReadOnly Property Legenda_Visibility As Visibility
      Get
         If m_Mode = SideEntityControlVM.ModeOpt.DRIP OrElse
            SideEntityControlVM.m_SideAngleCheck OrElse
            m_SideEntityList.Count() = 0 Then
            Return Visibility.Collapsed
         Else
            Return Visibility.Visible
         End If
      End Get
   End Property

   Private m_Parameter23_Visibility As Visibility
   Public Property Parameter23_Visibility As Visibility
      Get
         Return m_Parameter23_Visibility
      End Get
      Set(value As Visibility)
         m_Parameter23_Visibility = value
         NotifyPropertyChanged("Parameter23_Visibility")
      End Set
   End Property

   Private m_Parameter1_Visibility As Visibility
   Public ReadOnly Property Parameter1_Visibility As Visibility
      Get
         If m_Mode = ModeOpt.SIDEANGLE Then
            If m_SideAngleCheck Then
               Return Visibility.Visible
            Else
               Return Visibility.Collapsed
            End If
         Else
            Return Visibility.Visible
         End If
      End Get
   End Property

   Private m_Parameter1 As Double
   Public Property Parameter1 As String
      Get
         Return DoubleToString(m_Parameter1, -2)
      End Get
      Set(value As String)
         StringToDouble(value, m_Parameter1)
         SideAngleEntity.m_Parameter1 = m_Parameter1
         If m_Mode = ModeOpt.SIDEANGLE Then
            ' ciclo sui checkbox calcolati sul numero di lati inclinabili presenti
            For Index As Integer = 0 To m_SideEntityList.Count - 1
               ' Nuovo angolo di inclinazione
               Dim dSideAngle As Double
               ' Se checked lo imposto al valore letto dalla TxBx
               If m_SideEntityList(Index).bIsChecked Then
                  StringToDouble(value, dSideAngle)
               ' altrimenti lo imposto a zero
               Else
                  dSideAngle = 0
               End If
               ' Lo modifico nella geometria e nella lista inclinazioni
               ModifySideAngle(m_SideEntityList(Index).sEntityName, dSideAngle)
            Next
            ' Aggiorno tutti i testi
            RefreshSideAngleText()
         Else
            ' Recupero il valore
            StringToLen(value, m_dDripOffset)
            ' Creo le geometrie dei gocciolatoi
            RefreshSideAngleText()
         End If
      End Set
   End Property
   Private Sub SetParameter1(value As Double)
      m_Parameter1 = value
      SideAngleEntity.m_Parameter1 = value
      NotifyPropertyChanged("Parameter1")
   End Sub

   Private m_Parameter2 As Double
   Public Property Parameter2 As String
      Get
         Return LenToString(m_Parameter2, -2)
      End Get
      Set(value As String)
         If m_Mode = ModeOpt.DRIP Then
            StringToLen(value, m_Parameter2)
            m_dDripOffset2 = m_Parameter2
            ' Creo le geometrie dei gocciolatoi
            RefreshSideAngleText()
         End If
      End Set
   End Property
   Private Sub SetParameter2(value As Double)
      m_Parameter2 = value
      NotifyPropertyChanged("Parameter2")
   End Sub

   Private m_Parameter3 As Double
   Public Property Parameter3 As String
      Get
         Return LenToString(m_Parameter3, -2)
      End Get
      Set(value As String)
         If m_Mode = ModeOpt.DRIP Then
            StringToLen(value, m_Parameter3)
            m_dDripDepth = m_Parameter3
            ' Creo le geometrie dei gocciolatoi
            RefreshSideAngleText()
         End If
      End Set
   End Property
   Private Sub SetParameter3(value As Double)
      m_Parameter3 = value
      NotifyPropertyChanged("Parameter3")
   End Sub

   Private m_Parameter4 As Double
   Public Property Parameter4 As String
      Get
         Return LenToString(m_Parameter4, -2)
      End Get
      Set(value As String)
         If m_Mode = ModeOpt.DRIP Then
            StringToLen(value, m_Parameter4)
            m_dDripShort = m_Parameter4
            ' Creo le geometrie dei gocciolatoi
            RefreshSideAngleText()
         End If
      End Set
   End Property
   Private Sub SetParameter4(value As Double)
      m_Parameter4 = value
      NotifyPropertyChanged("Parameter4")
   End Sub

   Private m_dDripOffset As Double = 10
   Private m_dDripOffset2 As Double = 0
   Private m_dDripDepth As Double = 10
   Private m_dDripShort As Double = 0

   Private m_CallingWndScene As Scene
   Private m_CallingWindow As CallingWindowOpt

#Region "Messages"

   Private m_Parameter1Msg As String
   Public Property Parameter1Msg As String
      Get
         Return m_Parameter1Msg
      End Get
      Set(value As String)
         m_Parameter1Msg = value
         NotifyPropertyChanged("Parameter1Msg")
      End Set
   End Property
   Public ReadOnly Property Parameter2Msg As String
      Get
         Return EgtMsg(MSG_IMPORTPAGEUC + 16)      ' Offset 2
      End Get
   End Property
   Public ReadOnly Property Parameter3Msg As String
      Get
         Return EgtMsg(MSG_IMPORTPAGEUC + 11)      ' Affondamento
      End Get
   End Property
   Public ReadOnly Property Parameter4Msg As String
      Get
         Return EgtMsg(MSG_IMPORTPAGEUC + 12)      ' Accorciamento
      End Get
   End Property

#End Region    ' Messages

#Region "CONSTRUCTOR"

   Sub New(CallingWindow As CallingWindowOpt, CallingWndScene As Scene, Mode As ModeOpt)

      SideAngleEntity.m_ModifySideAngle = AddressOf ModifySideAngle
      SideAngleEntity.m_ModifySideHeel = AddressOf ModifySideHeel
      SideAngleEntity.m_RefreshSideAngleText = AddressOf RefreshSideAngleText
      DripEntity.m_ModifyDrip = AddressOf ModifyDrip
      DripEntity.m_RefreshSideAngleText = AddressOf RefreshSideAngleText
      m_CallingWindow = CallingWindow
      m_CallingWndScene = CallingWndScene
      m_Mode = Mode
      m_SideEntityList = New ObservableCollection(Of SideEntity)
      NotifyPropertyChanged("SideEntityList")
      m_SideAngleCheck = If(GetMainPrivateProfileInt(S_COMPO, K_SIDEMODE, 0) = 0, True, False)
      SideAngleEntity.dMaxSideAng = GetMainPrivateProfileDouble(S_SIDES, K_MAXSIDEANGLE, SideAngleEntity.STD_MAXSIDEANG)

      If CallingWindow = CallingWindowOpt.COMPO Then
         ' Imposto contesto corrente
         EgtSetCurrentContext(CallingWndScene.GetCtx())
         ' Inizializzo lati per angoli (ne compilo la lista e aggiungo la scritta nel disegno)
         InitSides()
         RefreshSideAngleText()

      ElseIf CallingWindow = CallingWindowOpt.DXFIMPORT Then
         ' Imposto contesto corrente
         EgtSetCurrentContext(CallingWndScene.GetCtx())
         ' Inizializzo lati per angoli (ne compilo la lista e aggiungo la scritta nel disegno)
         InitSides()
         RefreshSideAngleText()
      End If

      ' Gestisco visualizzazione dei parametri
      If m_Mode = ModeOpt.SIDEANGLE Then
         Parameter23_Visibility = Windows.Visibility.Hidden
      Else
         Parameter23_Visibility = Windows.Visibility.Visible
      End If

      ' Aggiorno valori
      If m_Mode = ModeOpt.SIDEANGLE Then
         Parameter1Msg = EgtMsg(MSG_IMPORTPAGEUC + 9)       ' Angolo
         Dim dVal As Double = GetMainPrivateProfileDouble(S_SIDES, K_SIDEANGLE, "45")
         SetParameter1(dVal)
      Else
         Parameter1Msg = EgtMsg(MSG_IMPORTPAGEUC + 10)      ' Offset
         m_dDripOffset = GetMainPrivateProfileDouble(S_SIDES, K_DRIPOFFSET, 20)
         m_dDripOffset2 = GetMainPrivateProfileDouble(S_SIDES, K_DRIPOFFSET2, 0)
         m_dDripDepth = GetMainPrivateProfileDouble(S_SIDES, K_DRIPDEPTH, 10)
         m_dDripShort = GetMainPrivateProfileDouble(S_SIDES, K_DRIPSHORT, 0)
         SetParameter1(m_dDripOffset)
         SetParameter2(m_dDripOffset2)
         SetParameter3(m_dDripDepth)
         SetParameter4(m_dDripShort)
      End If

      ' Aggiorno visualizzazione
      If CallingWindow = CallingWindowOpt.COMPO Then
         EgtZoom(ZM.ALL)
      Else
         EgtDraw()
      End If
   End Sub

#End Region    ' CONSTRUCTOR

#Region "METHODS"

   Private Sub RefreshSideAngleText()
      ' Imposto contesto corrente
      EgtSetCurrentContext(m_CallingWndScene.GetCtx())
      Dim PartId As Integer = GDB_ID.NULL
      Dim LoopId As Integer = GDB_ID.NULL
      If m_CallingWindow = CallingWindowOpt.COMPO Then
         ' Ricavo nome primo pezzo
         PartId = If(CompoWindowMap.refCompoSceneHostV.SelectedLayer <> GDB_ID.NULL, EgtGetFirstInGroup(GDB_ID.ROOT), GDB_ID.NULL)
         ' Recupero nome layer con geometria di contorno (esterno o interno) del pezzo
         LoopId = CompoWindowMap.refCompoSceneHostV.SelectedLayer
      ElseIf m_CallingWindow = CallingWindowOpt.DXFIMPORT Then
         ' Recupero nome pezzo
         PartId = DxfImportWindowMap.refDxfImportSceneHostV.SelectedPart
         ' Recupero nome layer con geometria di contorno (esterno o interno) del pezzo
         LoopId = DxfImportWindowMap.refDxfImportSceneHostV.SelectedLayer
      End If

      ' Calcolo dimensione ingombro Loop
      Dim ptMin, ptMax As Point3d
      EgtGetBBoxGlob(LoopId, GDB_BB.STANDARD, ptMin, ptMax)
      Dim dBBoxRad As Double = 0.5 * Point3d.DistXY(ptMin, ptMax)

      ' Preparo layer con testi inclinazioni (svuotandolo o creandolo)
      Dim TextLayer As Integer = EgtGetFirstNameInGroup(PartId, SIDE_ANGLE_LAYER)
      If TextLayer <> GDB_ID.NULL Then
         EgtEmptyGroup(TextLayer)
      Else
         TextLayer = EgtCreateGroup(PartId)
         EgtSetName(TextLayer, SIDE_ANGLE_LAYER)
         EgtSetColor(TextLayer, New Color3d(0, 0, 0))
      End If

      ' Se modalità angoli di inclinazione...
      If m_Mode = ModeOpt.SIDEANGLE Then
         ' Per ogni entità, creo testo con nome e angolo di inclinazione
         For Each Entity In m_SideEntityList
            Dim SideEntity As SideAngleEntity = TryCast(Entity, SideAngleEntity)
            Dim sText As String = Entity.sEntityName & " = " & DoubleToString(SideEntity.dSideAngle, 1) & "°"
            If SideEntity.dSideHeel > 10 * EPS_SMALL Then sText += "; " & LenToString(SideEntity.dSideHeel, 1)
            AddTextToLine(sText, Entity.nTextId, Entity.nGeomId, 20, dBBoxRad, True)
         Next
      ' Altrimenti modalità gocciolatoio
      Else
         ' Per ogni entità creo testo con nome
         For Each Entity In m_SideEntityList
            AddTextToLine(Entity.sEntityName, Entity.nTextId, Entity.nGeomId, 20, dBBoxRad, True)
         Next
         ' Creo le geometrie dei gocciolatoi
         CreateDripGeom(PartId)
      End If
      ' Aggiorno visualizzazione
      EgtDraw()
   End Sub

   Private Sub InitSides()
      Dim PartId As Integer = GDB_ID.NULL
      Dim LoopId As Integer = GDB_ID.NULL
      ' Imposto contesto corrente
      EgtSetCurrentContext(m_CallingWndScene.GetCtx())
      If m_CallingWindow = CallingWindowOpt.COMPO Then
         ' Ricavo nome primo pezzo
         PartId = If(CompoWindowMap.refCompoSceneHostV.SelectedLayer <> GDB_ID.NULL, EgtGetFirstInGroup(GDB_ID.ROOT), GDB_ID.NULL)
         ' Ricavo nome layer con geometria esterna pezzo
         LoopId = CompoWindowMap.refCompoSceneHostV.SelectedLayer
      ElseIf m_CallingWindow = CallingWindowOpt.DXFIMPORT Then
         ' Recupero nome pezzo
         PartId = DxfImportWindowMap.refDxfImportSceneHostV.SelectedPart
         ' Recupero nome layer con geometria di contorno (esterno o interno) del pezzo
         LoopId = DxfImportWindowMap.refDxfImportSceneHostV.SelectedLayer
      End If

      ' Calcolo dimensione ingombro Loop
      Dim ptMin, ptMax As Point3d
      EgtGetBBoxGlob(LoopId, GDB_BB.STANDARD, ptMin, ptMax)
      Dim dBBoxRad As Double = 0.5 * Point3d.DistXY(ptMin, ptMax)
      ' Creo layer per testi se non esiste già
      Dim TextLayer As Integer = EgtGetFirstNameInGroup(PartId, SIDE_ANGLE_LAYER)
      If TextLayer = GDB_ID.NULL Then
         TextLayer = EgtCreateGroup(PartId)
         EgtSetName(TextLayer, SIDE_ANGLE_LAYER)
         EgtSetColor(TextLayer, New Color3d(0, 0, 0))
      End If

      Dim LastLine As Integer = EgtGetLastInGroup(LoopId)
      Dim CurrLine As Integer = EgtGetFirstInGroup(LoopId)
      Dim NextLine As Integer = EgtGetNext(CurrLine)
      ' Creo indice per numerare le entità in ImportPage
      Dim nEntityIndex As Integer = 1
      ' Ciclo che verifica se possibile inclinare la linea corrente fino alla penultima
      While NextLine <> GDB_ID.NULL
         If m_Mode = ModeOpt.SIDEANGLE Then
            If VerifyIsSideAnglePossible(LastLine, CurrLine, NextLine) Then
               ' Aggiungo il lato alla lista di quelli inclinabili e ne azzero l'inclinazione
               AddSideAngle(CurrLine, TextLayer, dBBoxRad, nEntityIndex)
               nEntityIndex += 1
            End If
         Else
            If VerifyIsSideDripPossible(LastLine, CurrLine, NextLine) Then
               ' Aggiungo il lato alla lista di quelli su cui è possibile mettere il gocciolatoio
               AddDripSide(CurrLine, TextLayer, dBBoxRad, nEntityIndex)
               nEntityIndex += 1
            End If
         End If
         LastLine = CurrLine
         CurrLine = NextLine
         NextLine = EgtGetNext(CurrLine)
      End While
      ' Verifico ultima linea
      NextLine = EgtGetFirstInGroup(LoopId)
      If m_Mode = ModeOpt.SIDEANGLE Then
         If VerifyIsSideAnglePossible(LastLine, CurrLine, NextLine) Then
            ' Aggiungo il lato alla lista di quelli inclinabili e ne azzero l'inclinazione
            AddSideAngle(CurrLine, TextLayer, dBBoxRad, nEntityIndex)
            nEntityIndex += 1
         End If
      Else
         If VerifyIsSideDripPossible(LastLine, CurrLine, NextLine) Then
            ' Aggiungo il lato alla lista di quelli su cui è possibile mettere il gocciolatoio
            AddDripSide(CurrLine, TextLayer, dBBoxRad, nEntityIndex)
            nEntityIndex += 1
         End If
      End If

      ' Se non ci sono lati su cui operare, messaggio utente
      If LoopId <> GDB_ID.NULL Then
         If m_SideEntityList.Count() = 0 Then
            If m_CallingWindow = CallingWindowOpt.COMPO Then
               CompoWindowMap.refCompoListPageVM.SetOutputMessage(EgtMsg(MSG_DRAWPAGEUC + 7), MSG_TYPE.WARNING)   ' Non ci sono lati modificabili
            Else
               DxfImportWindowMap.refDxfImportWindowVM.SetOutputMessage(EgtMsg(MSG_DRAWPAGEUC + 7), MSG_TYPE.WARNING)   ' Non ci sono lati modificabili
            End If
         Else
            If m_CallingWindow = CallingWindowOpt.COMPO Then
               CompoWindowMap.refCompoListPageVM.ClearOutputMessage()
            Else
               DxfImportWindowMap.refDxfImportWindowVM.ClearOutputMessage()
            End If
         End If
      End If

      ' Aggiorno interfaccia
      If m_CallingWindow = CallingWindowOpt.DXFIMPORT Then
         If m_Mode = ModeOpt.SIDEANGLE Then
            For Each Entity In m_SideEntityList
               If DirectCast(Entity, SideAngleEntity).dSideAngle <> 0 Then
                  Dim nI As Integer = 0
                  StringToInt(Entity.sEntityName.Substring(1), nI)
                  CheckSide(nI)
               End If
            Next
         Else
            For Each Entity In m_SideEntityList
               If DirectCast(Entity, DripEntity).bHaveDrip Then
                  Dim nI As Integer = 0
                  StringToInt(Entity.sEntityName.Substring(1), nI)
                  CheckSide(nI)
               End If
            Next
         End If
      End If
   End Sub

   'Funzione che checka i lati
   Private Sub CheckSide(nIndex As Integer)
      '' Seleziono checkbox
      'If m_Mode = ModeOpt.SIDEANGLE Then
      '   GetChBxFromIndex(10 - (m_SideEntityList.Count - nIndex)).IsChecked = True
      'Else
      '   GetChBxFromIndex(10 - (m_SideEntityList.Count - nIndex)).IsChecked = True
      'End If
   End Sub

   ' Funzione che verifica se la linea corrente è inclinabile in base al tipo della precedente e successiva
   Private Function VerifyIsSideAnglePossible(LastLine As Integer, CurrLine As Integer, NextLine As Integer) As Boolean
      ' Verifico se CurrLine è una linea
      If EgtGetType(CurrLine) <> GDB_TY.CRV_LINE Then
         Return False
      End If

      ' Verifico se curva precedente mi permette di inclinare
      Dim bLastOk As Boolean = False
      If EgtGetType(LastLine) = GDB_TY.CRV_LINE Then
         bLastOk = True
      ElseIf EgtGetType(LastLine) = GDB_TY.CRV_ARC Then
         ' Ricavo direzione finale linea precedente
         Dim vtLastEnd As Vector3d
         EgtEndVector(LastLine, vtLastEnd)
         ' Ricavo direzione iniziale linea corrente
         Dim vtCurrStart As Vector3d
         EgtStartVector(CurrLine, vtCurrStart)
         ' Confronto direzioni per vedere se sono tangenti
         ' calcolo differenza dei vettori
         Dim vtDiff As Vector3d = vtLastEnd - vtCurrStart
         ' verifico che sia nulla o quasi
         bLastOk = Not vtDiff.IsSmall()
      Else
         EgtOutLog("Error in Compo Outloop: found an entity that is not a line or a arc")
      End If

      ' Verifico se curva successiva mi permette di inclinare
      Dim bNextOk As Boolean = False
      If EgtGetType(NextLine) = GDB_TY.CRV_LINE Then
         bNextOk = True
      ElseIf EgtGetType(NextLine) = GDB_TY.CRV_ARC Then
         ' Ricavo direzione finale linea corrente
         Dim vtCurrEnd As Vector3d
         EgtEndVector(CurrLine, vtCurrEnd)
         ' Ricavo direzione iniziale linea successiva
         Dim vtNextStart As Vector3d
         EgtStartVector(NextLine, vtNextStart)
         ' Confronto direzioni per vedere se sono tangenti
         ' calcolo differenza dei vettori
         Dim vtDiff As Vector3d = vtCurrEnd - vtNextStart
         ' verifico che sia nulla o quasi
         bNextOk = Not vtDiff.IsSmall()
      Else
         EgtOutLog("Error in Compo Outloop: found an entity that is not a line or a arc")
      End If

      ' Se entrambe me lo permettono restituisco vero
      If bLastOk And bNextOk Then
         Return True
      End If
      Return False

   End Function

   ' Funzione che verifica se alla linea corrente è associabile un canalino
   Private Function VerifyIsSideDripPossible(LastLine As Integer, CurrLine As Integer, NextLine As Integer) As Boolean
      ' Verifico se CurrLine è una linea
      If EgtGetType(CurrLine) <> GDB_TY.CRV_LINE Then
         Return False
      End If
      Return True
   End Function

   ' Funzione che gestisce le operazioni sull'entità da inclinare
   Private Sub AddSideAngle(CurrLine As Integer, TextLayer As Integer, dBBoxRad As Double, nEntityIndex As Integer)
      ' Imposto nome del lato
      EgtSetName(CurrLine, "A" & nEntityIndex.ToString())
      ' Ricavo angolo dell'entità
      Dim dSideAngleVal As Double
      If Not EgtGetInfo(CurrLine, INFO_SIDE_ANGLE, dSideAngleVal) Then dSideAngleVal = 0
      ' Ricavo tallone dell'entità
      Dim dSideHeelVal As Double
      If Not EgtGetInfo(CurrLine, INFO_HEEL, dSideHeelVal) Then dSideHeelVal = 0
      ' Aggiungo entità all'elenco di quelle inclinabili
      Dim sEntityName As String = String.Empty
      EgtGetName(CurrLine, sEntityName)
      m_SideEntityList.Add(New SideAngleEntity(CurrLine, sEntityName, TextLayer, dSideAngleVal, dSideHeelVal, m_Mode))
      NotifyPropertyChanged("Legenda_Visibility")
      ' Creo testo con angolo di inclinazione ed eventuale tallone
      Dim sText As String = sEntityName & " = " & DoubleToString(dSideAngleVal, 1) & "°"
      If dSideHeelVal > 10 * EPS_SMALL Then sText += "; " & LenToString(dSideHeelVal, 1)
      AddTextToLine(sText, TextLayer, CurrLine, 20, dBBoxRad, True)
   End Sub

   ' Funzione che gestisce le operazioni sull'entità con gocciolatoio
   Private Sub AddDripSide(CurrLine As Integer, TextLayer As Integer, dBBoxRad As Double, nEntityIndex As Integer)
      ' Imposto nome del lato
      EgtSetName(CurrLine, "A" & nEntityIndex.ToString())
      ' Ricavo info dell'entità
      Dim bHaveDripVal As Boolean
      If Not EgtGetInfo(CurrLine, INFO_HAVE_DRIP, bHaveDripVal) Then bHaveDripVal = False
      ' Aggiungo entità all'elenco di quelle che possono avere il gocciolatoio
      Dim sEntityName As String = String.Empty
      EgtGetName(CurrLine, sEntityName)
      m_SideEntityList.Add(New DripEntity(CurrLine, sEntityName, TextLayer, bHaveDripVal, m_Mode))
      NotifyPropertyChanged("Legenda_Visibility")
      ' Creo testo con angolo di inclinazione 0
      AddTextToLine(sEntityName, TextLayer, CurrLine, 20, dBBoxRad, True)
   End Sub

   ' Funzione che dato un segmento e una distanza, scrive il testo centrato alla sua destra
   Friend Shared Function AddTextToLine(sText As String, TextLayer As Integer, CurrLine As Integer, dDistance As Double,
                                        dBBoxRad As Double, bTextExt As Boolean, Optional bRot As Boolean = False) As Integer
      ' Calcolo altezza testo
      Dim dH As Double = 0.05 * dBBoxRad
      ' Creo testo
      Dim nText As Integer = EgtCreateTextAdv(TextLayer, New Point3d(0, 0, 0), 0, sText, "", 500, False, dH, 1, 0, INS_POS.MC)
      ' Calcolo posizionamento
      ' BBox del testo e suo centro
      Dim ptMinBBox As Point3d
      Dim ptMaxBBox As Point3d
      EgtGetBBox(nText, GDB_BB.STANDARD, ptMinBBox, ptMaxBBox)
      Dim ptMidBBox As Point3d
      ptMidBBox = Point3d.Media(ptMinBBox, ptMaxBBox)
      ' estremi della CurrLine
      Dim ptLineStart As Point3d
      EgtStartPoint(CurrLine, nText, ptLineStart)
      Dim ptLineEnd As Point3d
      EgtEndPoint(CurrLine, nText, ptLineEnd)
      ' versore della CurrLine
      Dim vtCurrLine As Vector3d = ptLineEnd - ptLineStart
      vtCurrLine.Normalize()
      ' versore perpendicolare alla CurrLine che punta verso il testo
      Dim vtOrtoLine As New Vector3d(vtCurrLine)
      If bTextExt Then
         vtOrtoLine.Rotate(Vector3d.Z_AX(), -90)
      Else
         vtOrtoLine.Rotate(Vector3d.Z_AX(), 90)
      End If
      ' eventuale rotazione del testo
      Dim dRotAng As Double = 0
      If bRot Then
         dRotAng = Math.Atan2(vtCurrLine.y, vtCurrLine.x) * 180 / Math.PI
         Dim dSpecRotAng = dRotAng
         If dSpecRotAng > 91 Then
            dSpecRotAng -= 180
         ElseIf dSpecRotAng < -89 Then
            dSpecRotAng += 180
         End If
         EgtRotate(nText, Point3d.ORIG(), Vector3d.Z_AX(), dSpecRotAng)
      End If
      ' vettore dal centro del BBox all'estremo più vicino
      Dim vtptExtptMC As Vector3d
      If bRot Then
         vtptExtptMC = New Vector3d(0, ptMidBBox.y - ptMinBBox.y, 0)
         vtptExtptMC.Rotate(Vector3d.Z_AX(), dRotAng)
      Else
         If bTextExt Then
            If vtCurrLine.x > 0 Then
               If vtCurrLine.y > 0 Then
                  vtptExtptMC = ptMidBBox - New Point3d(ptMinBBox.x, ptMaxBBox.y, 0)
               Else
                  vtptExtptMC = ptMidBBox - ptMaxBBox
               End If
            Else
               If vtCurrLine.y > 0 Then
                  vtptExtptMC = ptMidBBox - ptMinBBox
               Else
                  vtptExtptMC = ptMidBBox - New Point3d(ptMaxBBox.x, ptMinBBox.y, 0)
               End If
            End If
         Else
            If vtCurrLine.x > 0 Then
               If vtCurrLine.y > 0 Then
                  vtptExtptMC = ptMidBBox - New Point3d(ptMaxBBox.x, ptMinBBox.y, 0)
               Else
                  vtptExtptMC = ptMidBBox - ptMinBBox
               End If
            Else
               If vtCurrLine.y > 0 Then
                  vtptExtptMC = ptMidBBox - ptMaxBBox
               Else
                  vtptExtptMC = ptMidBBox - New Point3d(ptMinBBox.x, ptMaxBBox.y, 0)
               End If
            End If
         End If
      End If
      ' Calcolo il centro del testo
      Dim ptTextMC As Point3d = Point3d.Media(ptLineStart, ptLineEnd) + vtOrtoLine * (dDistance + (vtOrtoLine * vtptExtptMC))
      EgtMove(nText, (ptTextMC - Point3d.ORIG))
      Return nText
   End Function

   ' Funzione che crea le geometrie dei gocciolatoi
   Friend Sub CreateDripGeom(nPartId As Integer)
      ' Recupero Id layer di contorno esterno
      Dim nOutLoopId = EgtGetFirstNameInGroup(nPartId, NAME_OUTLOOP)
      ' Preparo layer con geometria gocciolatoi (svuotandolo o creandolo)
      Dim DripLayer As Integer = EgtGetFirstNameInGroup(nPartId, NAME_DRIPCUT)
      If DripLayer <> GDB_ID.NULL Then
         EgtEmptyGroup(DripLayer)
      Else
         DripLayer = EgtCreateGroup(nPartId)
         EgtSetName(DripLayer, NAME_DRIPCUT)
      End If
      ' Per ogni entità con gocciolatoio, ne inserisco una copia nel layer
      Dim vSelId As New List(Of Integer)
      For Each Entity In m_SideEntityList
         If DirectCast(Entity, DripEntity).bHaveDrip Then
            Dim nSouId As Integer = EgtGetFirstNameInGroup(nOutLoopId, Entity.sEntityName)
            Dim nNewId As Integer = EgtCopyGlob(nSouId, DripLayer)
            EgtSetName(nNewId, Entity.sEntityName)
            vSelId.Add(nNewId)
         End If
      Next
      ' Eseguo eventuali allungamenti iniziali e finali
      Dim nCrvId As Integer = EgtGetFirstInGroup(DripLayer)
      While nCrvId <> GDB_ID.NULL
         If m_dDripShort < -EPS_SMALL Then
            EgtExtendCurveStartByLen(nCrvId, -m_dDripShort)
            EgtExtendCurveEndByLen(nCrvId, -m_dDripShort)
         End If
         nCrvId = EgtGetNext(nCrvId)
      End While
      ' Concateno le curve
      EgtCreateCurveCompoByReorder(DripLayer, vSelId.Count(), vSelId.ToArray(), New Point3d(), True)
      ' Eseguo eventuali accorciamenti iniziali e finali
      nCrvId = EgtGetFirstInGroup(DripLayer)
      While nCrvId <> GDB_ID.NULL
         If m_dDripShort > EPS_SMALL AndAlso Not EgtCurveIsClosed(nCrvId) Then
            Dim dLen As Double
            EgtCurveLength(nCrvId, dLen)
            EgtTrimCurveEndAtLen(nCrvId, dLen - m_dDripShort)
            EgtTrimCurveStartAtLen(nCrvId, m_dDripShort)
         End If
         nCrvId = EgtGetNext(nCrvId)
      End While
      ' Eseguo offset dei risultati
      nCrvId = EgtGetFirstInGroup(DripLayer)
      While nCrvId <> GDB_ID.NULL
         EgtOffsetCurve(nCrvId, -m_dDripOffset, OFF_TYPE.EXTEND)
         nCrvId = EgtGetNext(nCrvId)
      End While
      ' Eventuali curve aggiuntive con offset2
      If m_dDripOffset2 > EPS_SMALL Then
         nCrvId = EgtGetFirstInGroup(DripLayer)
         While nCrvId <> GDB_ID.NULL
            Dim nNextCrvId As Integer = EgtGetNext(nCrvId)
            Dim nNewId As Integer = EgtCopy(nCrvId, nCrvId, GDB_POS.AFTER)
            EgtOffsetCurve(nNewId, -m_dDripOffset2, OFF_TYPE.EXTEND)
            nCrvId = nNextCrvId
         End While
      End If
      ' Esplodo nelle curve componenti
      nCrvId = EgtGetFirstInGroup(DripLayer)
      While nCrvId <> GDB_ID.NULL
         Dim nNextCrvId = EgtGetNext(nCrvId)
         Dim nCount As Integer
         EgtExplodeCurveCompo(nCrvId, nCount)
         nCrvId = nNextCrvId
      End While
      ' Assegno colore e attributi
      nCrvId = EgtGetFirstInGroup(DripLayer)
      While nCrvId <> GDB_ID.NULL
         EgtSetColor(nCrvId, New Color3d(255, 165, 0))
         EgtSetInfo(nCrvId, INFO_DEPTH, m_dDripDepth)
         If m_dDripShort > EPS_SMALL Then EgtSetInfo(nCrvId, INFO_STRICT, "1")
         nCrvId = EgtGetNext(nCrvId)
      End While
   End Sub

   ' Funzione che modifica l'inclinazione di un lato
   Friend Function ModifySideAngle(sEntityName As String, dSideAngle As Double) As Boolean
      ' Ricavo CurrEntity dal nome
      Dim CurrEntity As SideAngleEntity = SideAngleEntity.FindEntity(sEntityName, m_SideEntityList)
      If IsNothing(CurrEntity) Then
         EgtOutLog("Error in side angle definition: selected line not found in SideAngleList")
         Return False
      End If
      ' Scrivo nuovo angolo nelle info
      If dSideAngle <> 0 Then
         EgtSetInfo(CurrEntity.nGeomId, INFO_SIDE_ANGLE, dSideAngle)
         EgtSetInfo(CurrEntity.nGeomId, INFO_ORIG_SIDE_ANGLE, dSideAngle)
      ' Cancello inclinazione nell'apposito campo info
      Else
         EgtRemoveInfo(CurrEntity.nGeomId, INFO_SIDE_ANGLE)
         EgtRemoveInfo(CurrEntity.nGeomId, INFO_ORIG_SIDE_ANGLE)
      End If
      ' Aggiorno lista entità con nuova inclinazione
      CurrEntity.dSideAngle = dSideAngle
      Return True
   End Function

   ' Funzione che modifica il tallone di un lato
   Friend Function ModifySideHeel(sEntityName As String, dSideHeel As Double) As Boolean
      ' Ricavo CurrEntity dal nome
      Dim CurrEntity As SideAngleEntity = SideAngleEntity.FindEntity(sEntityName, m_SideEntityList)
      If IsNothing(CurrEntity) Then
         EgtOutLog("Error in side angle definition: selected line not found in SideAngleList")
         Return False
      End If
      ' Scrivo nuovo tallone nelle info
      If dSideHeel > 10 * EPS_SMALL Then
         EgtSetInfo(CurrEntity.nGeomId, INFO_HEEL, dSideHeel)
         ' Cancello inclinazione nell'apposito campo info
      Else
         EgtRemoveInfo(CurrEntity.nGeomId, INFO_HEEL)
      End If
      ' Aggiorno lista entità con nuova inclinazione
      CurrEntity.dSideHeel = dSideHeel
      Return True
   End Function

   ' Funzione che modifica l'inclinazione di un lato
   Friend Function ModifyDrip(sEntityName As String, bVal As Boolean) As Boolean
      ' Ricavo CurrEntity dal nome
      Dim CurrEntity As DripEntity = DripEntity.FindEntity(sEntityName, m_SideEntityList)
      If IsNothing(CurrEntity) Then
         EgtOutLog("Error in drip definition: selected line not found in DripEntity")
         Return False
      End If
      ' Scrivo nuovo angolo nelle info
      If bVal Then
         EgtSetInfo(CurrEntity.nGeomId, INFO_HAVE_DRIP, "1")
         ' Cancello inclinazione nell'apposito campo info
      Else
         EgtRemoveInfo(CurrEntity.nGeomId, INFO_HAVE_DRIP)
      End If
      ' Aggiorno lista entità con nuova inclinazione
      CurrEntity.bHaveDrip = bVal
      Return True
   End Function

   Friend Sub ReLoadSideAnglePage(CallingWindow As CallingWindowOpt)

      m_SideEntityList.Clear()
      NotifyPropertyChanged("Legenda_Visibility")

      If CallingWindow = CallingWindowOpt.COMPO Then
         ' Imposto contesto corrente
         EgtSetCurrentContext(m_CallingWndScene.GetCtx())
         ' Inizializzo lati per angoli (ne compilo la lista e aggiungo la scritta nel disegno)
         InitSides()
         RefreshSideAngleText()

      ElseIf CallingWindow = CallingWindowOpt.DXFIMPORT Then
         ' Imposto contesto corrente
         EgtSetCurrentContext(m_CallingWndScene.GetCtx())
         ' Inizializzo lati per angoli (ne compilo la lista e aggiungo la scritta nel disegno)
         InitSides()
         RefreshSideAngleText()
      End If

      ' Gestisco visualizzazione dei parametri
      If m_Mode = ModeOpt.SIDEANGLE Then
         Parameter23_Visibility = Windows.Visibility.Hidden
      Else
         Parameter23_Visibility = Windows.Visibility.Visible
      End If

      ' Aggiorno valori
      If m_Mode = ModeOpt.SIDEANGLE Then
         Parameter1Msg = EgtMsg(MSG_IMPORTPAGEUC + 9)       ' Angolo
         Dim dVal As Double = GetMainPrivateProfileDouble(S_SIDES, K_SIDEANGLE, "45")
         SetParameter1(dVal)
      Else
         Parameter1Msg = EgtMsg(MSG_IMPORTPAGEUC + 10)      ' Offset
         m_dDripOffset = GetMainPrivateProfileDouble(S_SIDES, K_DRIPOFFSET, 20)
         m_dDripOffset2 = GetMainPrivateProfileDouble(S_SIDES, K_DRIPOFFSET2, 0)
         m_dDripDepth = GetMainPrivateProfileDouble(S_SIDES, K_DRIPDEPTH, 10)
         m_dDripShort = GetMainPrivateProfileDouble(S_SIDES, K_DRIPSHORT, 0)
         SetParameter1(m_dDripOffset)
         SetParameter2(m_dDripOffset2)
         SetParameter3(m_dDripDepth)
         SetParameter4(m_dDripShort)
      End If
   End Sub

   Friend Sub Close()
      If m_CallingWindow = CallingWindowOpt.COMPO Then
         ' Svuoto layer in cui sono presenti i testi con le inclinazioni dei lati
         Dim PartId As Integer = EgtGetFirstInGroup(GDB_ID.ROOT)
         EgtEmptyGroup(EgtGetFirstNameInGroup(PartId, SIDE_ANGLE_LAYER))
      ElseIf m_CallingWindow = CallingWindowOpt.DXFIMPORT Then
         ' Nessuna azione necessaria
      End If

      If m_Mode = ModeOpt.SIDEANGLE Then
         WriteMainPrivateProfileString(S_SIDES, K_SIDEANGLE, DoubleToString(m_Parameter1, 3))
      Else
         WriteMainPrivateProfileString(S_SIDES, K_DRIPOFFSET, DoubleToString(m_dDripOffset, 3))
         WriteMainPrivateProfileString(S_SIDES, K_DRIPOFFSET2, DoubleToString(m_dDripOffset2, 3))
         WriteMainPrivateProfileString(S_SIDES, K_DRIPDEPTH, DoubleToString(m_dDripDepth, 3))
         WriteMainPrivateProfileString(S_SIDES, K_DRIPSHORT, DoubleToString(m_dDripShort, 3))
      End If

      EgtDraw()
   End Sub

   Shared Sub WriteSideAngleForNest(nCtx As Integer)
      ' Imposto contesto corrente
      EgtSetCurrentContext(nCtx)
      Dim PartId As Integer = EgtGetFirstPart()
      While PartId <> GDB_ID.NULL
         ' Se richiesti lati paralleli con misura sul top come in TRF, verifico e aggiusto
         If GetMainPrivateProfileInt( S_SIDES, K_PARSIDE_AS_TRF, 0) <> 0 Then
            AdjustAsTrfParSides( PartId)
         End If 
         ' Elimino eventuale precedente layer per testi
         EgtErase(EgtGetFirstNameInGroup(PartId, SIDE_ANGLE_LAYER))
         ' Creo layer per testi nesting
         Dim TextLayId As Integer = EgtCreateGroup(PartId)
         EgtSetName(TextLayId, SIDE_ANGLE_LAYER)
         EgtSetColor(TextLayId, New Color3d(0, 0, 128))
         ' Opero su geometria esterna pezzo
         WriteSideAngleOnLoop(EgtGetFirstNameInGroup(PartId, NAME_OUTLOOP), TextLayId)
         ' Ciclo su geometria interna pezzo
         Dim LoopId As Integer = EgtGetFirstNameInGroup(PartId, NAME_INLOOP)
         While LoopId <> GDB_ID.NULL
            WriteSideAngleOnLoop(LoopId, TextLayId)
            LoopId = EgtGetNextName(LoopId, NAME_INLOOP)
         End While
         PartId = EgtGetNextPart(PartId)
      End While
   End Sub

   Shared Function AdjustAsTrfParSides( PartId As Integer) As Boolean 
      ' Recupero il loop esterno
      Dim LoopId As Integer = EgtGetFirstNameInGroup(PartId, NAME_OUTLOOP)
      If LoopId = GDB_ID.NULL Then Return False
      ' Scansiono i lati
      Dim LineId As Integer = EgtGetFirstInGroup(LoopId) 
      While LineId <> GDB_ID.NULL
         ' Se non è linea con singolo angolo, vado oltre
         If Not EgtExistsInfo(LineId, INFO_SIDE_ANGLE) OrElse
            EgtExistsInfo(LineId, INFO_SIDE_ANGLE2) OrElse
            EgtExistsInfo(LineId, INFO_HEEL) Then
            LineId = EgtGetNext(LineId)
            Continue While
         End If
         ' Recupero angolo di fianco e direzione
         Dim dSideAng As Double = 0 : EgtGetInfo( LineId, INFO_SIDE_ANGLE, dSideAng)
         Dim vtDir As new Vector3d : EgtStartVector( LineId, GDB_ID.ROOT, vtDir)
         ' Confronto con le linee successive
         Dim OthLId As Integer = EgtGetNext(LineId)
         While OthLId <> GDB_ID.NULL
            ' Se non è linea con singolo angolo, vado oltre
            If Not EgtExistsInfo(OthLId, INFO_SIDE_ANGLE) OrElse
               EgtExistsInfo(OthLId, INFO_SIDE_ANGLE2) OrElse
               EgtExistsInfo(OthLId, INFO_HEEL) Then
               OthLId = EgtGetNext(OthLId)
               Continue While
            End If
            ' Recupero angolo di fianco e direzione
            Dim dOthSAng As Double = 0 : EgtGetInfo( OthLId, INFO_SIDE_ANGLE, dOthSAng)
            Dim vtOthDir As new Vector3d : EgtStartVector( OthLId, GDB_ID.ROOT, vtOthDir)
            ' Se gli angoli sono opposti e le due linee sono controverse
            If Math.Abs( dSideAng + dOthSAng) < 10 * EPS_ANG_SMALL AndAlso (vtDir + vtOthDir).IsSmall() Then
               EgtSetInfo( LineId, INFO_SIDE_FIXED, 1)
               EgtSetInfo( OthLId, INFO_SIDE_FIXED, 1)
               Exit While
            End If
            OthLId = EgtGetNext(OthLId)
         End While
         LineId = EgtGetNext(LineId)
      End While
      Return True
   End Function

   Shared Function WriteSideAngleOnLoop(LoopId As Integer, TextLayId As Integer) As Boolean
      ' Verifiche
      If LoopId = GDB_ID.NULL Or TextLayId = GDB_ID.NULL Then Return False
      ' Calcolo dimensione ingombro Loop
      Dim ptMin, ptMax As Point3d
      EgtGetBBoxGlob(LoopId, GDB_BB.STANDARD, ptMin, ptMax)
      Dim dBBoxRad As Double = 0.5 * Point3d.DistXY(ptMin, ptMax)
      ' Ciclo sulle linee di contorno, se hanno info con inclinazione aggiungo testo con angolo
      Dim LineId As Integer = EgtGetFirstInGroup(LoopId)
      While LineId <> GDB_ID.NULL
         Dim dSideAngle As Double = 0
         Dim bSA As Boolean = EgtGetInfo(LineId, INFO_SIDE_ANGLE, dSideAngle)
         Dim dSideAngle2 As Double = 0
         Dim bSA2 As Boolean = EgtGetInfo(LineId, INFO_SIDE_ANGLE2, dSideAngle2)
         Dim dSideHeel As Double = 0
         Dim bSH As Boolean = EgtGetInfo(LineId, INFO_HEEL, dSideHeel)
         If Math.Abs(dSideAngle) > EPS_ANG_SMALL Or ( bSA2 And Not bSH) Then
            ' Creo testo con angolo di inclinazione
            Dim sText As String = DoubleToString(dSideAngle, 1) & "°"
            ' Se presente tallone, lo indico
            If bSH then
               If dSideHeel > 10 * EPS_SMALL Then
                  If dSideAngle > 0 Then
                     sText = sText & "; " & LenToString(dSideHeel, 1)
                  Else
                     sText = LenToString(dSideHeel, 1) &  "; " & sText
                  End If
               End If
            ' se altrimenti presente secondo angolo, lo indico
            ElseIf bSA2 then
               sText = DoubleToString(dSideAngle2, 1) & "°" &  "; " & sText
            End If
            SideEntityControlVM.AddTextToLine(sText, TextLayId, LineId, 15, dBBoxRad, False, True)
         End If
         LineId = EgtGetNext(LineId)
      End While
      Return True
   End Function

#End Region    ' METHODS

End Class

Public MustInherit Class SideEntity
   Inherits VMBase

   Private m_nGeomId As Integer
   Public Property nGeomId As Integer
      Get
         Return m_nGeomId
      End Get
      Set(value As Integer)
         m_nGeomId = value
      End Set
   End Property

   Private m_sEntityName As String
   Public ReadOnly Property sEntityName As String
      Get
         Return m_sEntityName
      End Get
   End Property

   Private m_nTextId As Integer
   Public ReadOnly Property nTextId As Integer
      Get
         Return m_nTextId
      End Get
   End Property

   Private m_Mode As SideEntityControlVM.ModeOpt
   Public ReadOnly Property Value_Visibility As Visibility
      Get
         If m_Mode = SideEntityControlVM.ModeOpt.SIDEANGLE Then
            If SideEntityControlVM.m_SideAngleCheck Then
               Return Visibility.Collapsed
            Else
               Return Visibility.Visible
            End If
         Else
            Return Visibility.Collapsed
         End If
      End Get
   End Property
   Public ReadOnly Property Check_Visibility As Visibility
      Get
         If m_Mode = SideEntityControlVM.ModeOpt.SIDEANGLE Then
            If SideEntityControlVM.m_SideAngleCheck Then
               Return Visibility.Visible
            Else
               Return Visibility.Collapsed
            End If
         Else
            Return Visibility.Visible
         End If
      End Get
   End Property

   Public MustOverride Property bIsChecked As Boolean

   Sub New(nId As Integer, sEntityName As String, nTextId As Integer, Mode As SideEntityControlVM.ModeOpt)
      m_nGeomId = nId
      m_sEntityName = sEntityName
      m_nTextId = nTextId
      m_Mode = Mode
   End Sub

End Class

Friend Class SideAngleEntity
   Inherits SideEntity

   Public Const STD_MAXSIDEANG As Double = 50.0
   Public Const MAX_MAXSIDEANG As Double = 75.0
   Private Shared m_dMaxSideAng As Double = STD_MAXSIDEANG
   Friend Shared WriteOnly Property dMaxSideAng As Double
      Set(value As Double)
         m_dMaxSideAng = Math.Max(Math.Min(value, MAX_MAXSIDEANG), 0)
      End Set
   End Property

   Friend Shared m_Parameter1 As Double
   Friend Shared m_ModifySideAngle As Action(Of String, Double)
   Friend Shared m_ModifySideHeel As Action(Of String, Double)
   Friend Shared m_RefreshSideAngleText As Action

   Private m_dSideAngle As Double
   Public Property GrphSideAngle As String
      Get
         Return DoubleToString(m_dSideAngle, 2)
      End Get
      Set(value As String)
         Dim dVal As Double = 0
         If Not String.IsNullOrWhiteSpace(value) Then StringToDouble(value, dVal)
         If dVal <> m_dSideAngle Then
            ' Assegno controllando i limiti
            If dVal < -m_dMaxSideAng Then
               m_dSideAngle = -m_dMaxSideAng
               NotifyPropertyChanged("GrphSideAngle")
            ElseIf dVal > m_dMaxSideAng Then
               m_dSideAngle = m_dMaxSideAng
               NotifyPropertyChanged("GrphSideAngle")
            Else
               m_dSideAngle = dVal
            End If
            ' Lo modifico nella geometria e nella lista inclinazioni
            m_ModifySideAngle(sEntityName, dSideAngle)
            ' Aggiorno tutti i testi
            m_RefreshSideAngleText()
         End If
      End Set
   End Property
   Public Property dSideAngle As Double
      Get
         Return m_dSideAngle
      End Get
      Set(value As Double)
         ' Assegno controllando i limiti
         If value < -m_dMaxSideAng Then
            m_dSideAngle = -m_dMaxSideAng
         ElseIf value > m_dMaxSideAng Then
            m_dSideAngle = m_dMaxSideAng
         Else
            m_dSideAngle = value
         End If
      End Set
   End Property

   Private m_dSideHeel As Double
   Public Property GrphSideHeel As String
      Get
         Return DoubleToString(m_dSideHeel, 2)
      End Get
      Set(value As String)
         Dim dVal As Double = 0
         If Not String.IsNullOrWhiteSpace(value) Then StringToDouble(value, dVal)
         If dVal <> m_dSideHeel Then
            ' Verifico stia nei limiti
            If dVal < 0 Then
               m_dSideHeel = 0
               NotifyPropertyChanged("GrphSideHeel")
            Else
               m_dSideHeel = dVal
            End If
            ' Lo modifico nella geometria e nella lista inclinazioni
            m_ModifySideHeel(sEntityName, dSideHeel)
            ' Aggiorno tutti i testi
            m_RefreshSideAngleText()
         End If
      End Set
   End Property
   Public Property dSideHeel As Double
      Get
         Return m_dSideHeel
      End Get
      Set(value As Double)
         ' Verifico stia nei limiti
         If value < 0 Then
            m_dSideHeel = 0
         Else
            m_dSideHeel = value
         End If
      End Set
   End Property

   Public Overrides Property bIsChecked As Boolean
      Get
         Return Not m_dSideAngle = 0
      End Get
      Set(value As Boolean)
         If value Then
            m_dSideAngle = m_Parameter1
         Else
            m_dSideAngle = 0
         End If
         ' '' Converto nome checkbox in nome elemento tenendo conto dello slittamento verso il basso
         ''Dim nCurrSide As Integer = m_SideAngleEntityList.Count() - (10 - CInt(CurrCheckBox.Name.Substring(1)))
         ''Dim sCurrSide As String = "A" & nCurrSide.ToString()
         ' Lo modifico nella geometria e nella lista inclinazioni
         m_ModifySideAngle(sEntityName, m_dSideAngle)
         ' Aggiorno tutti i testi
         m_RefreshSideAngleText()
         NotifyPropertyChanged("bIsChecked")
      End Set
   End Property

   Sub New(nId As Integer, sEntityName As String, nTextId As Integer, dSideAngle As Double, dSideHeel As Double, Mode As SideEntityControlVM.ModeOpt)
      MyBase.New(nId, sEntityName, nTextId, Mode)
      m_dSideAngle = dSideAngle
      m_dSideHeel = dSideHeel
   End Sub

   Friend Shared Function FindEntity(sEntityName As String, EntityList As ObservableCollection(Of SideEntity)) As SideAngleEntity
      If IsNothing(EntityList) Then
         Return Nothing
      End If
      For Each Entity In EntityList
         If Entity.sEntityName = sEntityName Then
            Return Entity
         End If
      Next
      Return Nothing
   End Function

End Class

Friend Class DripEntity
   Inherits SideEntity

   Friend Shared m_ModifyDrip As Action(Of String, Double)
   Friend Shared m_RefreshSideAngleText As Action

   Private m_bHaveDrip As Boolean
   Public Property bHaveDrip As Boolean
      Get
         Return m_bHaveDrip
      End Get
      Set(value As Boolean)
         m_bHaveDrip = value
      End Set
   End Property

   Public Overrides Property bIsChecked As Boolean
      Get
         Return m_bHaveDrip
      End Get
      Set(value As Boolean)
         If value <> m_bHaveDrip Then
            m_bHaveDrip = value
            ' Lo modifico nella geometria e nella lista inclinazioni
            m_ModifyDrip(sEntityName, m_bHaveDrip)
            ' Aggiorno tutti i testi
            m_RefreshSideAngleText()
            NotifyPropertyChanged("bIsChecked")
         End If
      End Set
   End Property

   Sub New(nId As Integer, sEntityName As String, nTextId As Integer, bHaveDrip As Boolean, Mode As SideEntityControlVM.ModeOpt)
      MyBase.New(nId, sEntityName, nTextId, Mode)
      m_bHaveDrip = bHaveDrip
   End Sub

   Friend Shared Function FindEntity(sEntityName As String, EntityList As ObservableCollection(Of SideEntity)) As DripEntity
      If IsNothing(EntityList) Then
         Return Nothing
      End If

      For Each Entity In EntityList
         If Entity.sEntityName = sEntityName Then
            Return Entity
         End If
      Next
      Return Nothing
   End Function

End Class