Imports System.Globalization
Imports EgtUILib

Public Class NumericKeyboardWD

    Private m_MainWindow As MainWindow = Application.Current.MainWindow
    Friend m_DoubleResult As Double = 0
    Friend m_CurrentTxBx As TextBox
    Friend m_CurrentLbl As String = String.Empty
    Private m_sErrorString As String = String.Empty
    Friend m_bErrorState As Boolean = False

   Sub New()
      ' This call is required by the designer.
      InitializeComponent()
      ' Altre inizializzazioni
      Owner = m_MainWindow
      ' Imposto Dimensioni e posizione della calcolatrice
      Top = m_MainWindow.Top + (m_MainWindow.Height / 12)
      Left = m_MainWindow.Left + (m_MainWindow.Width / 15 * 3)
      Height = m_MainWindow.Height / 12 * 5
      Width = m_MainWindow.Width / 15 * 5
   End Sub

   Sub New(ByVal sTitle As String, ByVal sValue As String, Optional ByVal CurrentTxBx As TextBox = Nothing)
      ' This call is required by the designer.
      InitializeComponent()
      ' Altre inizializzazioni
      Owner = m_MainWindow
      NumericKeyboardWDTitle.Text = sTitle
      NumericKeyboardWDTextBox.Text = sValue
      ' Text box per valore di ritorno
      m_CurrentTxBx = CurrentTxBx
      ' Imposto Dimensioni e posizione della calcolatrice
      Top = m_MainWindow.Top + (m_MainWindow.Height / 12)
      Left = m_MainWindow.Left + (m_MainWindow.Width / 15 * 3)
      Height = m_MainWindow.Height / 12 * 5
      Width = m_MainWindow.Width / 15 * 5
   End Sub

   Private Sub NumericKeyboardWD_Initialized(sender As Object, e As EventArgs)
      m_sErrorString = EgtMsg(MSG_NUMERICKEYBOARDWD + 1)
   End Sub

   Private Sub NumericKeyboardWD_Loaded(sender As Object, e As RoutedEventArgs)
      'NumericKeyboardWDTextBox.Text = m_CurrentTxBx.Text
      'NumericKeyboardWDTitle.Text = m_CurrentLbl
   End Sub

   Private Sub NumericKeyboardWD_IsVisibleChanged(sender As Object, e As DependencyPropertyChangedEventArgs)
      If Me.IsVisible Then
         'NumericKeyboardWDTextBox.Text = m_CurrentTxBx.Text
         'NumericKeyboardWDTitle.Text = m_CurrentLbl
      Else
         NumericKeyboardWDTitle.Text = String.Empty
         NumericKeyboardWDTitle.Foreground = Brushes.Black
      End If
   End Sub

   Private Sub NumericKeyboardWD_Unloaded(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTitle.Foreground = Brushes.Black
      m_MainWindow.Focus()
   End Sub

   Private Sub NumericKeyboardWD_KeyDown(sender As Object, e As KeyEventArgs)
      Select Case e.Key
      Case Key.D0
         If Input.Keyboard.Modifiers = ModifierKeys.Shift Then
            BtnEvaluateWD_Click(Me, Nothing)
         Else
            Btn0WD_Click(Me, Nothing)
         End If
      Case Key.NumPad0
         Btn0WD_Click(Me, Nothing)
      Case Key.D1, Key.NumPad1
         Btn1WD_Click(Me, Nothing)
      Case Key.D2, Key.NumPad2
         Btn2WD_Click(Me, Nothing)
      Case Key.D3, Key.NumPad3
         Btn3WD_Click(Me, Nothing)
      Case Key.D4, Key.NumPad4
         Btn4WD_Click(Me, Nothing)
      Case Key.D5, Key.NumPad5
         Btn5WD_Click(Me, Nothing)
      Case Key.D6, Key.NumPad6
         Btn6WD_Click(Me, Nothing)
      Case Key.D7
         If Input.Keyboard.Modifiers = ModifierKeys.Shift Then
            BtnDivisionWD_Click(Me, Nothing)
         Else
            Btn7WD_Click(Me, Nothing)
         End If
      Case Key.NumPad7
         Btn7WD_Click(Me, Nothing)
      Case Key.D8, Key.NumPad8
         Btn8WD_Click(Me, Nothing)
      Case Key.D9, Key.NumPad9
         Btn9WD_Click(Me, Nothing)
      Case Key.OemPeriod, Key.Decimal
         BtnDotWD_Click(Me, Nothing)
      Case Key.OemPlus
         If Input.Keyboard.Modifiers = ModifierKeys.Shift Then
            BtnMultiplicationWD_Click(Me, Nothing)
         Else
            BtnPlusWD_Click(Me, Nothing)
         End If
      Case Key.Add
         BtnPlusWD_Click(Me, Nothing)
      Case Key.OemMinus, Key.Subtract
         BtnMinusWD_Click(Me, Nothing)
      Case Key.Multiply
         BtnMultiplicationWD_Click(Me, Nothing)
      Case Key.Divide
         BtnDivisionWD_Click(Me, Nothing)
      Case Key.C
         BtnCancelWD_Click(Me, Nothing)
      Case Key.Back
         BtnDeleteWD_Click(Me, Nothing)
      Case Key.Enter, Key.Execute
         BtnApplyWD_Click(Me, Nothing)
         e.Handled = True
      Case Key.Escape
         BtnExitWD_Click(Me, Nothing)
         e.Handled = True
      End Select
   End Sub

   Private Sub Btn0WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "0"
   End Sub

   Private Sub Btn1WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "1"
   End Sub

   Private Sub Btn2WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "2"
   End Sub

   Private Sub Btn3WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "3"
   End Sub

   Private Sub Btn4WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "4"
   End Sub

   Private Sub Btn5WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "5"
   End Sub

   Private Sub Btn6WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "6"
   End Sub

   Private Sub Btn7WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "7"
   End Sub

   Private Sub Btn8WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "8"
   End Sub

   Private Sub Btn9WD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "9"
   End Sub

   Private Sub BtnDotWD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "."
   End Sub

   Private Sub BtnEvaluateWD_Click(sender As Object, e As RoutedEventArgs)
      Evaluate()
   End Sub

   Private Sub BtnPlusWD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "+"
   End Sub

   Private Sub BtnMinusWD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "-"
   End Sub

   Private Sub BtnMultiplicationWD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "*"
   End Sub

   Private Sub BtnDivisionWD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text &= "/"
   End Sub

   Private Sub BtnDeleteWD_Click(sender As Object, e As RoutedEventArgs)
      If Not String.IsNullOrEmpty(NumericKeyboardWDTextBox.Text) Then
         NumericKeyboardWDTextBox.Text = NumericKeyboardWDTextBox.Text.Substring(0, NumericKeyboardWDTextBox.Text.Length - 1)
      End If
   End Sub

   Private Sub BtnCancelWD_Click(sender As Object, e As RoutedEventArgs)
      If m_bErrorState Then
         NumericKeyboardWDTextBox.Text = String.Empty
         NumericKeyboardWDTitle.Foreground = Brushes.Black
         NumericKeyboardWDTitle.Text = m_CurrentLbl
         m_bErrorState = False
      Else
         NumericKeyboardWDTextBox.Text = String.Empty
      End If
   End Sub

   Private Sub BtnExitWD_Click(sender As Object, e As RoutedEventArgs)
      NumericKeyboardWDTextBox.Text = String.Empty
      NumericKeyboardWDTitle.Text = String.Empty
      Me.DialogResult = False
      Me.Close()
   End Sub

   Private Sub BtnApplyWD_Click(sender As Object, e As RoutedEventArgs)
      Evaluate()
      If Not m_bErrorState Then
         If m_CurrentTxBx IsNot Nothing Then
            m_CurrentTxBx.Text = NumericKeyboardWDTextBox.Text
         End If
         NumericKeyboardWDTextBox.Text = String.Empty
         NumericKeyboardWDTitle.Text = String.Empty
         Me.DialogResult = True
         Me.Close()
      End If
   End Sub

   Private Sub Evaluate()
      Dim bOk As Boolean = EgtUILib.EgtLuaEvalNumExpr(NumericKeyboardWDTextBox.Text, m_DoubleResult)
      If bOk Then
         NumericKeyboardWDTextBox.Text = m_DoubleResult.ToString(CultureInfo.InvariantCulture)
         If m_bErrorState Then
            m_bErrorState = False
            NumericKeyboardWDTitle.Foreground = Brushes.Black
            NumericKeyboardWDTitle.Text = m_CurrentLbl
         End If
      Else
         m_bErrorState = True
         NumericKeyboardWDTitle.Foreground = Brushes.Red
         NumericKeyboardWDTitle.Text = m_sErrorString
      End If
   End Sub

End Class