Imports System.Collections.ObjectModel
Imports EgtUILib
Imports EgtWPFLib5

Public Class ConfigurationPageVM

   ' flag modifica parametri Macchina
   Friend bModifyMachParam As Boolean

   ' Definizione comandi
   Private m_cmdSave As ICommand

   Private m_ConfigMachTableList As New ObservableCollection(Of MachTable)
   Public Property ConfigMachTableList As ObservableCollection(Of MachTable)
      Get
         Return m_ConfigMachTableList
      End Get
      Set(value As ObservableCollection(Of MachTable))
         m_ConfigMachTableList = value
      End Set
   End Property

#Region "Constuctor"

   Sub New()
      ' imposto riferimento in Map
      Map.SetRefConfigurationPageVM(Me)
      ' assegno le liste dei parametri della macchina corrente alla ConfigMachTableList alla pagina di Configurazione
      ConfigMachTableList = CurrentMachine.MachTableList
   End Sub

#End Region ' Constuctor

#Region "SaveCommand"

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

   ''' <summary>
   ''' Execute the Save.  This method is invoked by the SaveCommand.
   ''' </summary>
   Public Sub Save()
      WriteMachParams()
   End Sub

#End Region ' SaveCommand

#Region "Methods"

   ' funzione che scrive i parametri modificati sul file INI
   Public Sub WriteMachParams()
      For Each MachTableItem In ConfigMachTableList
         For Each MachParamItem In MachTableItem.MachParamList
            If MachParamItem.IsModified Then
               Dim sMachParamType As String = String.Empty
               Select Case MachParamItem.nType
                  Case MachParamType.DOUBLE_
                     sMachParamType = "d"
                  Case MachParamType.STRING_
                     sMachParamType = "s"
                  Case MachParamType.LENGTH
                     sMachParamType = "l"
               End Select
               Dim MachParamString As String = sMachParamType & "," & MachParamItem.sName & "," & MachParamItem.sValue & "," & MachParamItem.sDescription
               Dim bOk = WriteMachPrivateProfileString(MachParamItem.nParentTable, MachParamItem.nParamIndex, MachParamString)
               If Not bOk Then
                  MessageBox.Show("Errore nella scrittura di un parametro Macchina", "Error")
                  Return
               End If
               MachParamItem.IsModifiedReset()
            End If
         Next
      Next
   End Sub

   ' funzione che verifica la modifica dei parametri e ne chiede il salvataggio
   Friend Function VerifyConfigPageModification() As Boolean
      For Each MachTableItem In ConfigMachTableList
         For Each MachParamItem In MachTableItem.MachParamList
            If MachParamItem.IsModified Then
               If MessageBox.Show("Salvare le modifiche apportate ai parametri Macchina?", "", MessageBoxButton.YesNo, MessageBoxImage.Question) = MessageBoxResult.Yes Then
                  ' salvo parametri Macchina
                  Save()
               Else
                  ' se da non salvare
                  CreateMachParams()
                  Return False
               End If
            End If
         Next
      Next
      Return True
   End Function

   ' funzione che verifica l'inserimento della password quando si edita un parametro Macchina
   Friend Function VerifyConfigPagePassword() As Boolean
      ' Display message, title, and default value.
      Dim sPwdInput = InputBox("Inserire Password: ", "Richiesta Pwd")
      ' Lettura PWD dall'INI e confronto
      Dim sPwdIni As String = String.Empty
      If GetMainPrivateProfileString(S_MACH, K_PASSWORD, "", sPwdIni) <> 0 Then
         If sPwdIni = sPwdInput Then Return True
      End If
      Return False
   End Function

#End Region ' Methods

End Class

Public Class MachParam
   Inherits VMBase

   ' table a cui appartiene il parametro
   Private m_nParentTable As Integer
   Friend ReadOnly Property nParentTable As Integer
      Get
         Return m_nParentTable
      End Get
   End Property

   ' indice del parametro
   Private m_nParamIndex As Integer
   Friend ReadOnly Property nParamIndex As Integer
      Get
         Return m_nParamIndex
      End Get
   End Property

   ' tipo della variabile
   Private m_nType As MachParamType
   Friend ReadOnly Property nType As MachParamType
      Get
         Return m_nType
      End Get
   End Property

   ' parametri da struttura
   Private m_sName As String
   Public Property sName As String
      Get
         Return m_sName
      End Get
      Set(value As String)
         m_sName = value
      End Set
   End Property

   ' parametri da geometria
   Private m_IsModifiedValue As Boolean = False
   Private m_dValue As Double
   Private m_sValue As String
   Public Property sValue As String
      Get
         Select Case nType
            Case MachParamType.DOUBLE_
               Return DoubleToString(m_dValue, 3)
            Case MachParamType.LENGTH
               Return LenToString(m_dValue, 3)
            Case Else      ' stringhe
               Return m_sValue
         End Select
         Return If(nType = MachParamType.LENGTH, LenToString(m_dValue, 3), DoubleToString(m_dValue, 3))
      End Get
      Set(value As String)
         Dim dNewValue As Double
         ' verifico se valore immesso è diverso dall'originale
         If nParentTable > 0 Then
            Dim sOrigValue As String = String.Empty
            Dim dOrigValue As Double
            MachParamIniFile.GetMachPrivateProfileParamValue(nParentTable, nParamIndex, sOrigValue)
            ' trasformo valori
            Select Case nType
               Case MachParamType.DOUBLE_
                  StringToDouble(value, dNewValue)
                  StringToDouble(sOrigValue, dOrigValue)
               Case MachParamType.LENGTH
                  StringToLen(value, dNewValue)
                  StringToLen(sOrigValue, dOrigValue)
               Case Else
                  ' per string non faccio nulla
            End Select
            m_IsModifiedValue = dNewValue <> dOrigValue
         End If
         ' se valore immesso è diverso e password non inserita
         If m_IsModifiedValue AndAlso Not Map.refConfigurationPageVM.bModifyMachParam Then
            Map.refConfigurationPageVM.bModifyMachParam = Map.refConfigurationPageVM.VerifyConfigPagePassword()
            If Not Map.refConfigurationPageVM.bModifyMachParam Then
               NotifyPropertyChanged("sValue")
               m_IsModifiedValue = False
               Return
            End If
         End If

         Select Case nType
            Case MachParamType.DOUBLE_, MachParamType.LENGTH
               UpdateParamValue(dNewValue, "")
            Case Else
               UpdateParamValue(0, value)
         End Select
      End Set
   End Property
   Public Property dValue As Double
      Get
         Return m_dValue
      End Get
      Set(value As Double)
         m_dValue = value
         NotifyPropertyChanged("sValue")
      End Set
   End Property

   ' descrizione del parametro
   Private m_sDescription As String
   Public Property sDescription As String
      Get
         Return m_sDescription
      End Get
      Set(value As String)
         m_sDescription = value
      End Set
   End Property

   Private Sub StdInit(nParentTable As Integer, nParamIndex As Integer, Type As MachParamType, sName As String, sDescription As String)
      m_nParentTable = nParentTable
      m_nParamIndex = nParamIndex
      m_nType = Type
      m_sName = sName
      Dim nDescription As Integer
      If IsNumeric(sDescription) AndAlso Integer.TryParse(sDescription, nDescription) Then
         m_sDescription = EgtMsg(sDescription)
      Else
         m_sDescription = sDescription
      End If
   End Sub

   ' new per double e length
   Sub New(nParentTable As Integer, nParamIndex As Integer, nType As MachParamType, sParamName As String, dValue As Double, sDescription As String)
      StdInit(nParentTable, nParamIndex, nType, sParamName, sDescription)
      m_dValue = dValue 'sValue = DoubleToString(dValue, 3)
   End Sub

   ' new per stringhe
   Sub New(nParentTable As Integer, nParamIndex As Integer, nType As MachParamType, sParamName As String, sDescription As String)
      StdInit(nParentTable, nParamIndex, nType, sParamName, sDescription)
   End Sub

   ' new per parametro vuoto
   Sub New(nType As MachParamType, nParamIndex As Integer, sParamName As String)
      StdInit(Nothing, nParamIndex, nType, sParamName, "")
   End Sub

   Friend Sub UpdateParamValue(dNewValue As Double, sNewValue As String, Optional bDraw As Boolean = True)
      Select Case nType
         Case MachParamType.DOUBLE_, MachParamType.LENGTH
            m_dValue = dNewValue
         Case MachParamType.STRING_
            m_sValue = sNewValue
      End Select
   End Sub

   Public ReadOnly Property IsModified() As Boolean
      Get
         Return m_IsModifiedValue
      End Get
   End Property

   Public Sub IsModifiedReset()
      m_IsModifiedValue = False
   End Sub

End Class

Public Class MachTable
   Inherits VMBase

   ' nome della table
   Private m_sName As String
   Public Property sName As String
      Get
         Return m_sName
      End Get
      Set(value As String)
         m_sName = value
      End Set
   End Property

   Private m_MachParamList As New ObservableCollection(Of MachParam)
   Public Property MachParamList As ObservableCollection(Of MachParam)
      Get
         Return m_MachParamList
      End Get
      Set(value As ObservableCollection(Of MachParam))
         m_MachParamList = value
      End Set
   End Property

   Sub New(Name As String, ParamList As ObservableCollection(Of MachParam))
      sName = Name
      MachParamList = ParamList
   End Sub

End Class

' Tipo parametro nel file di configurazione Macchina
Public Enum MachParamType As Integer
   DOUBLE_ = 1
   STRING_ = 2
   COMBO = 3
   LENGTH = 4
   CHECKBOX = 5
End Enum