Imports System.IO
Imports EgtUILib.EgtInterface
Imports EgtWPFLib5

Public Class ParametricCompoVM
   Inherits SceneUserControlVM

#Region "FIELDS & PROPERTIES"

   Private m_sLuaPath As String = String.Empty
   Friend ReadOnly bFileExsist As Boolean = False
   Private m_nVeinCtx As Integer

#End Region    ' Fields & Properties

#Region "CONSTRUCTOR"

   Sub New(sFile As String, nVeinCtx As Integer, Optional dir As String = "")
      MyBase.New()
      m_nVeinCtx = nVeinCtx
      Title = EGT_PARAMETRIC.ToUpper()
      ' Recupero path cartella che contiene i componenti
      If Not File.Exists(dir & sFile) Then
         GetMainPrivateProfileString(K_COMPO, COMPO_DIR, "", m_sLuaPath)
         ' Controllo se il file esiste
         m_sLuaPath &= sFile
      Else
         m_sLuaPath = dir & sFile
      End If
      If File.Exists(m_sLuaPath) Then
         LoadParamList()
         bFileExsist = True
      Else
         EgtOutLog("File " & m_sLuaPath & " non esiste nella cartella dei componenti")
      End If
      ' aggiorno visualizzazione
      EgtSetView(VT.TOP, False)
      EgtZoom(ZM.ALL)
   End Sub

#End Region    ' Contructor

#Region "METHODS"

   Public Overrides Sub LoadParamList()
      ' Pulisco lista variabili
      ParamList.Clear()
      EgtLuaExecFile(m_sLuaPath)
      Dim sPar As String = "0"
      EgtLuaGetGlobStringVar("CMP.Npar", sPar)
      If Not String.IsNullOrEmpty(sPar) Then
         Dim sName As String = String.Empty
         EgtLuaGetGlobStringVar("CMP.Nome", sName)
         Dim nPar As Integer = CInt(sPar)
         ParamList.Add(New _TextBlockParam("Messaggio", sName, Visibility.Visible))
         ' Recupero nome, tipo e valore delle variabili globali
         For Index As Integer = 1 To nPar
            Dim NewCompo As GenericParam = Nothing
            If NameTypeValueFromLua(Index, NewCompo) Then
               ParamList.Add(NewCompo)
            End If
         Next
      End If
   End Sub

   Private Sub ExecLua()
      If Not File.Exists(m_sLuaPath) Then
         EgtOutLog("Matching error: missing file (" & m_sLuaPath & ")")
         Return
      End If
      ' Parsing
      EgtLuaExecFile(m_sLuaPath)
      EgtSetCurrentContext(m_nVeinCtx)
      For Index As Integer = 0 To ParamList.Count - 1
         If TypeOf ParamList(Index) Is _TextBoxParam Then
            Dim _TextBox As _TextBoxParam = DirectCast(ParamList(Index), _TextBoxParam)
            EgtLuaSetGlobNumVar("CMP.V" & Index, CDbl(_TextBox.sValue))
         ElseIf TypeOf ParamList(Index) Is _CheckBoxParam Then
            Dim _CheckBox As _CheckBoxParam = DirectCast(ParamList(Index), _CheckBoxParam)
            EgtLuaSetGlobBoolVar("CMP.V" & Index, _CheckBox.IsChecked)
         End If
      Next
      EgtLuaExecLine("CMP_Draw" & "(true)")
      EgtLuaResetGlobVar("CMP")
   End Sub

   Public Overrides Sub Conferma()
      Map.refSceneHostVM.m_bPreviewShown = False
      ExecLua()
      EgtDraw()
      Close()
   End Sub

   Public Overrides Sub Annulla()
      EgtErase(EgtGetFirstPart())
      EgtDraw()
      Close()
   End Sub

   Public Overrides Sub ShowPreview()
      Map.refSceneHostVM.m_bPreviewShown = True
      ExecLua()
      EgtDraw()
   End Sub

   Private Sub Close()
      Map.refSceneButtonVM.RemoveUC(Map.refSceneButtonVM.m_ParametricCompoUC)
   End Sub

   Private Function NameTypeValueFromLua(nInd As Integer, ByRef Param As GenericParam) As Boolean
      Dim bOk As Boolean = True
      Dim sName As String = String.Empty
      Dim nType As Integer = 0
      bOk = bOk AndAlso EgtLuaGetGlobStringVar(LUA_NAME & nInd.ToString(), sName)
      bOk = bOk AndAlso EgtLuaGetGlobIntVar(LUA_TYPE & nInd.ToString(), nType)
      Return bOk AndAlso FromLua(nInd, sName, nType, Param)
   End Function

   Private Function FromLua(nInd As Integer, sName As String, nType As Integer, ByRef Param As GenericParam) As Boolean
      Dim sVal As String = String.Empty
      Dim dVal As Double = 0
      Dim nVal As Integer = 0
      Dim bOk As Boolean
      Select Case nType
         Case ParamType.BOOL
            bOk = EgtLuaGetGlobBoolVar(LUA_VALUE & nInd.ToString(), ParamType.BOOL)
            Param = New _CheckBoxParam(sName, sVal)
            Return bOk
         Case ParamType.INT
            bOk = EgtLuaGetGlobIntVar(LUA_VALUE & nInd.ToString(), nVal)
            Param = New _TextBoxParam(sName, nVal.ToString(), nType)
            Return bOk
         Case ParamType.LEN, ParamType.DOUB
            bOk = EgtLuaGetGlobNumVar(LUA_VALUE & nInd.ToString(), dVal)
            Param = New _TextBoxParam(sName, dVal.ToString(), nType)
            Return bOk
         Case ParamType.STR
            bOk = EgtLuaGetGlobStringVar(LUA_VALUE & nInd.ToString(), sVal)
            Param = New _TextBoxParam(sName, sVal, nType)
            Return bOk
      End Select
      Return False
   End Function

#End Region    ' Methods

End Class