Imports System.Collections.ObjectModel
Imports System.IO
Imports EgtUILib
Imports System.Text.RegularExpressions

Namespace EgtCAM5

   Public Class MTableDbViewModel
      Inherits TabViewModel

      Private m_TablesList As New ObservableCollection(Of MTableListBoxItem)
      Public Property TablesList As ObservableCollection(Of MTableListBoxItem)
         Get
            Return m_TablesList
         End Get
         Set(value As ObservableCollection(Of MTableListBoxItem))
            m_TablesList = value
         End Set
      End Property

      Private m_SelectedTable As MTableListBoxItem
      Public Property SelectedTable As MTableListBoxItem
         Get
            Return m_SelectedTable
         End Get
         Set(value As MTableListBoxItem)
            If value IsNot m_SelectedTable Then
               m_SelectedTable = value
               m_SelectedTable.SelectedAssociation = If(m_SelectedTable.AssociationList.Count > 0, m_SelectedTable.AssociationList(0), Nothing)
               OnPropertyChanged("SelectedTable")
            End If
         End Set
      End Property

      Private m_Title As String
      Public ReadOnly Property Title As String
         Get
            Return EgtMsg(MSG_MAINWINDOW + 20)
         End Get
      End Property

      ' Definizione comandi
      Private m_cmdNewTable As ICommand
      Private m_cmdSaveTable As ICommand
      Private m_cmdSaveTableAs As ICommand
      Private m_cmdRemoveTable As ICommand
      Private m_cmdAddMach As ICommand
      Private m_cmdRemoveMach As ICommand
      Private m_cmdAddRow As ICommand
      Private m_cmdRemoveRow As ICommand
      Private m_cmdMoveRowUp As ICommand
      Private m_cmdMoveRowDown As ICommand

#Region "CONSTRUCTOR"

      Sub New()
         SearchTables()
         SelectedTable = If(m_TablesList.Count > 0, m_TablesList(0), Nothing)
      End Sub

#End Region

#Region "METHODS"

      Private Sub SearchTables()
         ' Leggo dal file ini il direttorio per le Table
         If GetPrivateProfileString(S_TABLE, K_TABLESDIR, "", IniFile.m_sTablesRoot) = 0 _
            Or Not My.Computer.FileSystem.DirectoryExists(IniFile.m_sTablesRoot) Then
            ' Se non lo trovo mando messaggio di errore e chiudo la finestra
            MessageBox.Show("ERROR IN LOADING TABLES", "Tables dir not found.")
         End If
         ' se trovo la cartella carico la lista di tabelle
         For Each Table In My.Computer.FileSystem.GetFiles(IniFile.m_sTablesRoot)
            If Path.GetExtension(Table).ToLower = ".lua" Then
               m_TablesList.Add(New MTableListBoxItem(Path.GetFileNameWithoutExtension(Table), Table))
               Dim sNameIndex As String = Regex.Match(Path.GetFileNameWithoutExtension(Table), "MTable_(\d+)").Groups(1).Value
               Dim nNameIndex As Integer = 0
               If String.IsNullOrEmpty(sNameIndex) Then
                  ' il suo valore di default è 1 quindi lo imposto a questo valore
                  nNameIndex = 0
               Else
                  Integer.TryParse(sNameIndex, nNameIndex)
               End If
               If nNameIndex > MTableListBoxItem.NewMTableIndex Then
                  MTableListBoxItem.NewMTableIndex = nNameIndex
               End If
            End If
         Next
      End Sub

#End Region

#Region "COMMANDS"

#Region "NewTableCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property NewTableCommand As ICommand
         Get
            If m_cmdNewTable Is Nothing Then
               m_cmdNewTable = New RelayCommand(AddressOf NewTable)
            End If
            Return m_cmdNewTable
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub NewTable(ByVal param As Object)
         Dim NewMTable As MTableListBoxItem = New MTableListBoxItem("MTable_" & MTableListBoxItem.NewMTableIndex, String.Empty)
         m_TablesList.Add(NewMTable)
         MTableListBoxItem.NewMTableIndex += 1
         SelectedTable = NewMTable
      End Sub

#End Region    ' NewTableCommand

#Region "SaveTableCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property SaveTableCommand As ICommand
         Get
            If m_cmdSaveTable Is Nothing Then
               m_cmdSaveTable = New RelayCommand(AddressOf SaveTable)
            End If
            Return m_cmdSaveTable
         End Get
      End Property

      Private Const MMACHINEDATA As String = ".MMachineData"
      Private Const MTABLE As String = ".MTable"
      Private Const DATETIME As String = "%DATE_TIME%"
      Private Const TABLENAME As String = "%TABLE_NAME%"

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub SaveTable()
         If String.IsNullOrEmpty(SelectedTable.TableNamePath) Then
            SaveTableAs()
            Return
         End If
         TableUtility.WriteDoorsTable(SelectedTable, SelectedTable.TableNamePath)
      End Sub

#End Region    ' SaveTableCommand

#Region "SaveTableAsCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property SaveTableAsCommand As ICommand
         Get
            If m_cmdSaveTableAs Is Nothing Then
               m_cmdSaveTableAs = New RelayCommand(AddressOf SaveTableAs)
            End If
            Return m_cmdSaveTableAs
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub SaveTableAs()
         Dim sFile As String = String.Empty
         ' Direttorio corrente per MTable
         Dim sDir As String = IniFile.m_sTablesRoot
         ' Apertura dialogo di scelta file DDF
         Dim SaveFileDialog As New System.Windows.Forms.SaveFileDialog
         SaveFileDialog.Title = "Save MTable file"
         SaveFileDialog.Filter = "MTable Lua script(*.lua)|*.lua"
         SaveFileDialog.FilterIndex = 1
         SaveFileDialog.InitialDirectory = sDir
         SaveFileDialog.FileName = m_SelectedTable.TableName
         If SaveFileDialog.ShowDialog <> Windows.Forms.DialogResult.OK Then
            Exit Sub
         End If
         sFile = SaveFileDialog.FileName
         TableUtility.WriteDoorsTable(SelectedTable, sFile)
      End Sub

#End Region    ' SaveTableAsCommand

#Region "RemoveTableCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property RemoveTableCommand As ICommand
         Get
            If m_cmdRemoveTable Is Nothing Then
               m_cmdRemoveTable = New RelayCommand(AddressOf RemoveTable)
            End If
            Return m_cmdRemoveTable
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub RemoveTable(ByVal param As Object)
         If MessageBox.Show("Are you sure you want to delete this MTable?", "", MessageBoxButton.YesNo, MessageBoxImage.Question) = MessageBoxResult.Yes Then
            File.Delete(SelectedTable.TableNamePath)
            Dim SelectedTableIndex As Integer = m_TablesList.IndexOf(m_SelectedTable)
            m_TablesList.RemoveAt(SelectedTableIndex)
            If SelectedTableIndex > 0 Then
               SelectedTable = TablesList(SelectedTableIndex - 1)
            End If
         End If
      End Sub

#End Region    ' RemoveTableCommand

#Region "AddMachCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property AddMachCommand As ICommand
         Get
            If m_cmdAddMach Is Nothing Then
               m_cmdAddMach = New RelayCommand(AddressOf AddMach)
            End If
            Return m_cmdAddMach
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub AddMach(ByVal param As Object)
         If Not IsNothing(m_SelectedTable) Then
            m_SelectedTable.SharedMachIndex += 1
            m_SelectedTable.ActiveMachinesList.Add(New MTableMachineListBoxItem(String.Empty, False, False, m_SelectedTable.SharedMachIndex))
            m_SelectedTable.MachIdList.Add(m_SelectedTable.SharedMachIndex)
         End If
      End Sub

#End Region    ' AddMachCommand

#Region "RemoveMachCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property RemoveMachCommand As ICommand
         Get
            If m_cmdRemoveMach Is Nothing Then
               m_cmdRemoveMach = New RelayCommand(AddressOf RemoveMach)
            End If
            Return m_cmdRemoveMach
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub RemoveMach(ByVal param As Object)
         If Not IsNothing(m_SelectedTable) And m_SelectedTable.ActiveMachinesList.Count > 1 Then
            m_SelectedTable.ActiveMachinesList.RemoveAt(m_SelectedTable.SharedMachIndex - 1)
            m_SelectedTable.MachIdList.RemoveAt(m_SelectedTable.SharedMachIndex - 1)
            m_SelectedTable.SharedMachIndex -= 1
         End If
      End Sub

#End Region    ' RemoveMachCommand

#Region "AddRowCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property AddRowCommand As ICommand
         Get
            If m_cmdAddRow Is Nothing Then
               m_cmdAddRow = New RelayCommand(AddressOf AddRow)
            End If
            Return m_cmdAddRow
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub AddRow(ByVal param As Object)
         If Not IsNothing(m_SelectedTable) And Not IsNothing(m_SelectedTable.SelectedAssociation) Then
            Dim SelectedIndex As Integer = m_SelectedTable.AssociationList.IndexOf(m_SelectedTable.SelectedAssociation)
            Dim NewEmptyRow As MTableAssociationGridBoxItem = New MTableAssociationGridBoxItem(False, String.Empty, 1, 0, String.Empty, String.Empty, String.Empty, String.Empty)
            m_SelectedTable.AssociationList.Insert(SelectedIndex, NewEmptyRow)
            m_SelectedTable.SelectedAssociation = NewEmptyRow
            m_SelectedTable.NotifyPropertyChanged("SelectedAssociation")
         End If
      End Sub

#End Region    ' AddRowCommand

#Region "RemoveRowCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property RemoveRowCommand As ICommand
         Get
            If m_cmdRemoveRow Is Nothing Then
               m_cmdRemoveRow = New RelayCommand(AddressOf RemoveRow)
            End If
            Return m_cmdRemoveRow
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub RemoveRow(ByVal param As Object)
         If Not IsNothing(m_SelectedTable) And m_SelectedTable.AssociationList.Count > 1 Then
            Dim SelectedIndex As Integer = m_SelectedTable.AssociationList.IndexOf(m_SelectedTable.SelectedAssociation)
            m_SelectedTable.AssociationList.RemoveAt(SelectedIndex)
            If Not SelectedIndex < m_SelectedTable.AssociationList.Count Then
               SelectedIndex = m_SelectedTable.AssociationList.Count - 1
            End If
            m_SelectedTable.SelectedAssociation = m_SelectedTable.AssociationList(SelectedIndex)
            m_SelectedTable.NotifyPropertyChanged("SelectedAssociation")
         End If
      End Sub

#End Region    ' RemoveRowCommand

#Region "MoveRowUpCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property MoveRowUpCommand As ICommand
         Get
            If m_cmdMoveRowUp Is Nothing Then
               m_cmdMoveRowUp = New RelayCommand(AddressOf MoveRowUp)
            End If
            Return m_cmdMoveRowUp
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub MoveRowUp(ByVal param As Object)
         If Not IsNothing(m_SelectedTable) Then
            Dim SelectedIndex As Integer = m_SelectedTable.AssociationList.IndexOf(m_SelectedTable.SelectedAssociation)
            If SelectedIndex >= 1 Then
               m_SelectedTable.AssociationList.Move(SelectedIndex, SelectedIndex - 1)
            End If
         End If
      End Sub

#End Region    ' MoveRowUpCommand

#Region "MoveRowDownCommand"

      ''' <summary>
      ''' Returns a command that do Exec.
      ''' </summary>
      Public ReadOnly Property MoveRowDownCommand As ICommand
         Get
            If m_cmdMoveRowDown Is Nothing Then
               m_cmdMoveRowDown = New RelayCommand(AddressOf MoveRowDown)
            End If
            Return m_cmdMoveRowDown
         End Get
      End Property

      ''' <summary>
      ''' Execute the Exec.  This method is invoked by the ExecCommand.
      ''' </summary>
      Public Sub MoveRowDown(ByVal param As Object)
         If Not IsNothing(m_SelectedTable) Then
            Dim SelectedIndex As Integer = m_SelectedTable.AssociationList.IndexOf(m_SelectedTable.SelectedAssociation)
            If SelectedIndex < m_SelectedTable.AssociationList.Count - 1 Then
               m_SelectedTable.AssociationList.Move(SelectedIndex, SelectedIndex + 1)
            End If
         End If
      End Sub

#End Region    ' MoveRowDownCommand

#End Region

   End Class

End Namespace