Imports System.Globalization
Imports EgtUILib

Module Utility

   '--------------------------------------------------------------------------------------------------
   Friend Sub UpdateUI()
      ' Costringo ad aggiornare UI
      Dim nDummy As Integer
      Application.Current.Dispatcher.Invoke(Windows.Threading.DispatcherPriority.Background, _
                                             New Action(Function() nDummy = 0))
   End Sub

   '--------------------------------------------------------------------------------------------------
   Friend Function DoubleToString(ByVal dVal As Double, ByVal nNumDec As Integer) As String
      Dim sFormat As String = "F" + Math.Abs(nNumDec).ToString()
      Dim sVal As String = dVal.ToString(sFormat, CultureInfo.InvariantCulture)
      If nNumDec > 0 Then
         Return sVal.TrimEnd("0".ToCharArray()).TrimEnd(".".ToCharArray)
      Else
         Return sVal
      End If
   End Function

   Friend Function StringToDouble(ByVal sVal As String, ByRef dVal As Double) As Boolean
      If String.IsNullOrEmpty(sVal) Then Return False
      Return EgtLuaEvalNumExpr(sVal, dVal)
   End Function

   Friend Function StringToInt(sVal As String, ByRef nVal As Integer) As Boolean
      Dim dVal As Double = 0
      If Not StringToDouble(sVal, dVal) Then Return False
      nVal = CInt(Math.Round(dVal))
      Return True
   End Function

   Friend Function LenToString(ByVal dVal As Double, ByVal nNumDec As Integer) As String
      Return DoubleToString(EgtToUiUnits(dVal), nNumDec)
   End Function

   Friend Function StringToLen(ByVal sVal As String, ByRef dVal As Double) As Boolean
      If String.IsNullOrEmpty(sVal) Then Return False
      If EgtLuaEvalNumExpr(sVal, dVal) Then
         dVal = EgtFromUiUnits(dVal)
         Return True
      Else
         Return False
      End If
   End Function

   Friend Function UIExprToExpr(ByVal sUIExpr As String) As String
      If String.IsNullOrWhiteSpace(sUIExpr) Then
         Return ""
      End If
      Return sUIExpr.Replace("""", "*GEO.ONE_INCH")
   End Function

   Friend Function ExprToUIExpr(ByVal sExpr As String) As String
      If String.IsNullOrWhiteSpace(sExpr) Then
         Return ""
      End If
      Return sExpr.Replace("*GEO.ONE_INCH", """")
   End Function

   Friend Function DistToString(vtDist As Vector3d) As String
      Dim nDec As Integer = If(EgtUiUnitsAreMM(), 1, 2)
      Dim sDistance As String = EgtMsg(1301)       'Dist=
      sDistance &= LenToString(vtDist.Len(), nDec) & vbCrLf
      sDistance &= " dX=" & LenToString(vtDist.x, nDec)
      sDistance &= " dY=" & LenToString(vtDist.y, nDec)
      sDistance &= " dZ=" & LenToString(vtDist.z, nDec)
      Return sDistance
   End Function

   '--------------------------------------------------------------------------------------------------
   Friend Function GetValueWithKey(sString As String, sKey As String) As String
      If String.IsNullOrWhiteSpace(sString) Then Return ""
      Dim sPurged As String = sString.Trim()
      Dim nPos As Integer = sPurged.IndexOf("="c)
      If nPos < 0 Then Return ""
      If String.Compare(sPurged.Substring(0, nPos), sKey, True) = 0 Then Return sPurged.Substring(nPos + 1)
      Return ""
   End Function

   '--------------------------------------------------------------------------------------------------
   Friend Sub HideParkedParts(Optional bDisableModified As Boolean = True)
      ' Se richiesto, disabilito impostazione modificato
      Dim bOldEnMod As Boolean = False
      If bDisableModified Then
         bOldEnMod = EgtGetEnableModified()
         If bOldEnMod Then EgtDisableModified()
      End If
      ' Nascondo pezzi parcheggiati
      Dim nPartId As Integer = EgtGetFirstPart()
      While nPartId <> GDB_ID.NULL
         EgtSetStatus(nPartId, GDB_ST.OFF)
         nPartId = EgtGetNextPart(nPartId)
      End While
      ' Se necessario, ripristino precedente impostazione modificato
      If bOldEnMod Then EgtEnableModified()
   End Sub

   Friend Sub ShowParkedParts(Optional bDisableModified As Boolean = True)
      ' Se richiesto, disabilito impostazione modificato
      Dim bOldEnMod As Boolean = False
      If bDisableModified Then
         bOldEnMod = EgtGetEnableModified()
         If bOldEnMod Then EgtDisableModified()
      End If
      ' Visualizzo pezzi parcheggiati
      Dim nPartId As Integer = EgtGetFirstPart()
      While nPartId <> GDB_ID.NULL
         EgtSetStatus(nPartId, GDB_ST.ON_)
         nPartId = EgtGetNextPart(nPartId)
      End While
      ' Se necessario, ripristino precedente impostazione modificato
      If bOldEnMod Then EgtEnableModified()
   End Sub

   Friend Function SetTextColor( nGroup As Integer) As Boolean
      ' Recupero il colore da assegnare ai testi
      Dim colText As New Color3d()
      Dim sTextColor As String = " "
      Dim MainWindow As MainWindow = DirectCast(Application.Current.MainWindow, MainWindow)
      If GetPrivateProfileString(S_NEST, K_TEXTCOLOR, " ", sTextColor, MainWindow.GetIniFile()) <> 0 Then
         Dim sTextColorArray() As String = sTextColor.Split(",")
         Dim nRed As Integer = 0 : Integer.TryParse( sTextColorArray(0), nRed)
         Dim nGreen As Integer = 0 : Integer.TryParse( sTextColorArray(1), nGreen)
         Dim nBlue As Integer = 0 : Integer.TryParse( sTextColorArray(2), nBlue)
         colText.Setup( nRed, nGreen, nBlue)
      End If
      ' Assegno questo colore ai testi del layer indicato
      Dim nId As Integer = EgtGetFirstInGroup( nGroup)
      While nId <> GDB_ID.NULL
         If EgtGetType(nId) = GDB_TY.EXT_TEXT Then
            EgtSetColor(nId, colText)
         End If
         nId = EgtGetNext(nId)
      End While
      Return True
   End Function

   '--------------------------------------------------------------------------------------------------
   Public Class Language

      Private m_sLanguageName As String
      Private m_sFileName As String

      Public Property LanguageName As String
         Get
            Return m_sLanguageName
         End Get
         Set(value As String)
            m_sLanguageName = value
         End Set
      End Property

      Public Property FileName As String
         Get
            Return m_sFileName
         End Get
         Set(value As String)
            m_sFileName = value
         End Set
      End Property

      Sub New(LanguageName As String, FileName As String)
         Me.LanguageName = LanguageName
         Me.FileName = FileName
      End Sub

   End Class

   Public Function GetPrivateProfileLanguage( lpAppName As String, lpKeyName As String, lpFileName As String) As Language
      Dim sVal As String = String.Empty
      GetPrivateProfileString(lpAppName, lpKeyName, "", sVal, lpFileName)
      Dim sItems() As String = sVal.Split(",".ToCharArray)
      If sItems.Count() = 2 Then
         Return New Language(sItems(0), sItems(1))
      End If
      Return Nothing
   End Function

   '--------------------------------------------------------------------------------------------------
   Public Function GetBackTopColor() As Color3d
      Dim MyMainWindow As MainWindow = DirectCast(Application.Current.MainWindow, MainWindow)
      Dim nTheme = GetPrivateProfileInt(S_GENERAL, K_THEME, 0, MyMainWindow.GetIniFile())
      Dim BackTopColor As New Color3d(211, 211, 211)
      Dim sBackTop As String = K_BACKTOP
      If nTheme = 1 Then sBackTop &= "1"
      GetPrivateProfileColor(S_SCENE, sBackTop, BackTopColor, MyMainWindow.GetIniFile())
      Return BackTopColor
   End Function

   Public Function GetBackBottomColor() As Color3d
      Dim MyMainWindow As MainWindow = DirectCast(Application.Current.MainWindow, MainWindow)
      Dim nTheme = GetPrivateProfileInt(S_GENERAL, K_THEME, 0, MyMainWindow.GetIniFile())
      Dim BackBottomColor As New Color3d(211, 211, 211)
      Dim sBackBottom As String = K_BACKBOTTOM
      If nTheme = 1 Then sBackBottom &= "1"
      GetPrivateProfileColor(S_SCENE, sBackBottom, BackBottomColor, MyMainWindow.GetIniFile())
      Return BackBottomColor
   End Function

End Module