Imports System.IO
Imports EgtUILib

Public Class OpenProjectFileDialogVM
   Inherits VMBase

   Friend Event m_CloseWindow(bDialogResult As Boolean)

   Private m_ProjectType As ProjectType

   Private m_FileNameTxBl As TextBlock

   Private m_sDirectory As String
   Public Property Directory As String
      Get
         Return m_sDirectory
      End Get
      Set(value As String)
         m_sDirectory = value
      End Set
   End Property

   Private m_sFilter As String
   Public Property Filter As String
      Get
         Return m_sFilter
      End Get
      Set(value As String)
         m_sFilter = value
      End Set
   End Property

   Private m_sFileNameFilter As Predicate(Of String)
   Public Property FileNameFilter As Predicate(Of String)
      Get
         Return m_sFileNameFilter
      End Get
      Set(value As Predicate(Of String))
         m_sFileNameFilter = value
      End Set
   End Property

   Private m_sExtensions As New List(Of String)
   Public ReadOnly Property Extensions As List(Of String)
      Get
         Return m_sExtensions
      End Get
   End Property

   Private m_ProjectList As New List(Of ProjectFile)
   Public ReadOnly Property ProjectList As List(Of ProjectFile)
      Get
         Return m_ProjectList
      End Get
      'Set(value As List(Of ProjFile))
      '   m_ProjList = value
      '   NotifyPropertyChanged("ProjList")
      'End Set
   End Property

   Private m_SelProject As ProjectFile
   Public Property SelProject As ProjectFile
      Get
         Return m_SelProject
      End Get
      Set(value As ProjectFile)
         m_SelProject = value
      End Set
   End Property

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

#Region "Messages"

   Public ReadOnly Property OpenMsg As String
      Get
         Return EgtMsg(MSG_EGTSAVEFILEDIALOG + 6)
      End Get
   End Property
   Public ReadOnly Property CancelMsg As String
      Get
         Return EgtMsg(MSG_EGTSAVEFILEDIALOG + 2)
      End Get
   End Property

#End Region

   ' Definizione comandi
   Private m_cmdProjectDoubleClick As ICommand

   Public Function Init(ProjectType As ProjectType, Optional ProjectList As List(Of ProjectFile) = Nothing) As Boolean?
      m_ProjectType = ProjectType
      If IsNothing(ProjectList) OrElse ProjectList.Count = 0 Then
         ' cartella da cui leggere i programmi
         Dim sFolderPath As String
         If m_ProjectType = ProjectType.PROJ Then
            sFolderPath = Map.refMainWindowVM.MainWindowM.sProjsDir
         Else
            sFolderPath = Map.refMainWindowVM.MainWindowM.sProdsDir
         End If
         ' leggo i file che contiene
         Dim AllDirsInDir As IEnumerable(Of String) = IO.Directory.EnumerateDirectories(sFolderPath)
         For Each CurrDirectory In AllDirsInDir
            VerifyFiles(CurrDirectory)
         Next
      Else
         m_ProjectList = ProjectList
      End If
   End Function

   Private Sub VerifyFiles(CurrDirectory As String)
      Dim AllFilesInDir As IEnumerable(Of String) = IO.Directory.EnumerateFiles(CurrDirectory)
      For Each File In AllFilesInDir
         If Path.GetExtension(File).ToLower() = ".nge" Then
            Dim nProjId As Integer = 0
            Dim nProdId As Integer = 0
            Dim sBTLFileName As String = ""
            If ProjectFile.VerifyProjectFile(m_ProjectType, Path.GetFileNameWithoutExtension(File), nProjId, nProdId, sBTLFileName) Then
               m_ProjectList.Add(New ProjectFile(m_ProjectType, nProjId, nProdId, sBTLFileName))
            End If
         End If
      Next
   End Sub

   Friend Function VerifySelected() As Boolean
      Return Not IsNothing(SelProject)
   End Function

   'Private Sub m_FileNameTxBl_MouseDown(sender As Object, e As Windows.Input.MouseButtonEventArgs) Handles FileNameList.MouseDoubleClick
   '   Dim src As DependencyObject = VisualTreeHelper.GetParent(DirectCast(e.OriginalSource, DependencyObject))
   '   ' verifico che venga clickato un item, non lo spazio vuoto o la scrollbar
   '   If Not TypeOf src Is ListBoxItem Then
   '      src = Utility.FindAncestor(Of ListBoxItem)(src)
   '   End If
   '   If IsNothing(src) OrElse src.[GetType]() <> GetType(ListBoxItem) Then
   '      e.Handled = True
   '   Else
   '      If Not IsNothing(m_SelectedFile) Then
   '         m_FileName = SelectedFile
   '         DialogResult = True
   '      End If
   '   End If
   'End Sub

   'Private Sub OpenBtn_Click(sender As Object, e As RoutedEventArgs) Handles OpenBtn.Click
   '   If Not IsNothing(m_SelectedFile) Then
   '      m_FileName = SelectedFile
   '      DialogResult = True
   '   End If
   'End Sub

#Region "COMMANDS"

#Region "ProjectDoubleClick"

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

   ''' <summary>
   ''' Execute the New.  This method is invoked by the NewCommand.
   ''' </summary>
   Friend Sub ProjDoubleClick(ByVal param As Object)
      If VerifySelected() Then
         RaiseEvent m_CloseWindow(True)
      End If
   End Sub

#End Region ' ProjectDoubleClick

#End Region    ' Commands

End Class