Imports System.IO
Imports EgtUILib

Public Class OpenPageUC

   'Riferimento alla MainWindow
   Private m_MainWindow As MainWindow = Application.Current.MainWindow

   'Dichiarazione dello UserControl SceneButtons
   Private m_SceneButtons As SceneButtonsUC

   ' Properties
   Private m_sCurrDir As String = String.Empty
   Private m_sCurrFile As String = String.Empty
   Private m_bFirst As Boolean = True
   Private m_bFileOk As Boolean = False

   ' Dichiarazione Scene
   Friend WithEvents OpenScene As New Scene
   Dim OpenSceneHost As New System.Windows.Forms.Integration.WindowsFormsHost

   Private Sub OpenPage_Initialized(sender As Object, e As EventArgs)

      ' Creazione dello UserControl SceneButtons
      m_SceneButtons = New SceneButtonsUC

      ' Posizionemento nella griglia del UserControl SceneButtons
      m_SceneButtons.SetValue(Grid.ColumnProperty, 1)
      UpperButtonsGrid.Children.Add(m_SceneButtons)

      ' Assegnazione scena all'host e posizionamento nella OpenPageGrid
      OpenSceneHost.Child = OpenScene
      OpenSceneHost.SetValue(Grid.ColumnProperty, 1)
      OpenSceneHost.SetValue(Grid.RowProperty, 2)
      ' OpenSceneHost.SetValue(Grid.RowSpanProperty, 1)
      Me.OpenPageGrid.Children.Add(OpenSceneHost)

      ' Definizione del collegamento tra ItemList e ListBox1
      FileListBox.ItemsSource = m_MainWindow.m_OpenItemList

   End Sub

   Private Sub OpenPage_Loaded(sender As Object, e As RoutedEventArgs)

      If m_bFirst Then
         ' imposto colore di default
         Dim DefColor As New Color3d(0, 0, 0)
         GetPrivateProfileColor(S_GEOMDB, K_DEFAULTCOLOR, DefColor, m_MainWindow.GetIniFile())
         OpenScene.SetDefaultMaterial(DefColor)
         ' imposto colori sfondo
         Dim BackTopColor As New Color3d(192, 192, 192)
         GetPrivateProfileColor(S_SCENE, K_BACKTOP, BackTopColor, m_MainWindow.GetIniFile())
         Dim BackBotColor As New Color3d(BackTopColor)
         GetPrivateProfileColor(S_SCENE, K_BACKBOTTOM, BackBotColor, m_MainWindow.GetIniFile())
         OpenScene.SetViewBackground(BackTopColor, BackBotColor)
         ' imposto colore di evidenziazione
         Dim MarkColor As New Color3d(255, 255, 0)
         GetPrivateProfileColor(S_SCENE, K_MARK, MarkColor, m_MainWindow.GetIniFile())
         OpenScene.SetMarkMaterial(MarkColor)
         ' imposto colore per superfici selezionate
         Dim SelSurfColor As New Color3d(255, 255, 192)
         GetPrivateProfileColor(S_SCENE, K_SELSURF, SelSurfColor, m_MainWindow.GetIniFile())
         OpenScene.SetSelSurfMaterial(SelSurfColor)
         ' imposto tipo e colore del rettangolo di zoom
         Dim bOutline As Boolean = True
         Dim ZwColor As New Color3d(0, 0, 0)
         GetPrivateProfileZoomWin(S_SCENE, K_ZOOMWIN, bOutline, ZwColor, m_MainWindow.GetIniFile())
         OpenScene.SetZoomWinAttribs(bOutline, ZwColor)
         ' imposto colore della linea di distanza
         Dim DstLnColor As New Color3d(255, 0, 0)
         GetPrivateProfileColor(S_SCENE, K_DISTLINE, DstLnColor, m_MainWindow.GetIniFile())
         OpenScene.SetDistLineMaterial(DstLnColor)
         ' imposto parametri OpenGL
         Dim nDriver As Integer = GetPrivateProfileInt(S_OPENGL, K_DRIVER, 3, m_MainWindow.GetIniFile())
         Dim b2Buff As Boolean = (GetPrivateProfileInt(S_OPENGL, K_DOUBLEBUFFER, 1, m_MainWindow.GetIniFile()) <> 0)
         Dim nColorBits As Integer = GetPrivateProfileInt(S_OPENGL, K_COLORBITS, 32, m_MainWindow.GetIniFile())
         Dim nDepthBits As Integer = GetPrivateProfileInt(S_OPENGL, K_DEPTHBITS, 32, m_MainWindow.GetIniFile())
         OpenScene.SetViewAttributes(nDriver, b2Buff, nColorBits, nDepthBits)
         ' Inizializzazione delle viste
         OpenScene.Init()
         ' inizializzo gestore lavorazioni
         EgtInitMachMgr(m_MainWindow.GetMachinesRootDir())
         ' leggo direttorio corrente
         GetPrivateProfileString(S_GENERAL, K_SAVENAMEDIR, "", m_sCurrDir, m_MainWindow.GetIniFile())
         ' lo carico
         LoadCurrDir()
         m_bFirst = False
      Else
         EgtSetCurrentContext(OpenScene.GetCtx())
      End If
      ' Pulisco tutto
      ClearView()
      ' inibisco selezione diretta da Scene
      OpenScene.SetStatusNull()

   End Sub

   Private Function LoadCurrDir() As Boolean
      ' se direttorio corrente non valido, carico l'elenco dei dischi
      If String.IsNullOrWhiteSpace(m_sCurrDir) OrElse Not IO.Directory.Exists(m_sCurrDir) Then
         Return LoadDisks()
      End If
      Dim TempPath As New Text.StringBuilder(260)
      PathCompactPathEx(TempPath, m_sCurrDir, 28, 0)
      ' lo visualizzo
      FilePathTxBl.Content = TempPath.ToString
      ' pulisco la lista
      m_MainWindow.m_OpenItemList.Clear()
      ' per risalire al direttorio padre
      m_MainWindow.m_OpenItemList.Add(New IconListBoxItem("..", 0))
      ' elenco dei sottodirettori
      Dim DirInfo As New DirectoryInfo(m_sCurrDir)
      Dim vDirI As DirectoryInfo() = DirInfo.GetDirectories("*")
      Dim DirI As DirectoryInfo
      For Each DirI In vDirI
         ' per saltare i link, troppo complessi da gestire
         If (DirI.Attributes And FileAttributes.Hidden) <> FileAttributes.Hidden Or
            (DirI.Attributes And FileAttributes.System) <> FileAttributes.System Then
               m_MainWindow.m_OpenItemList.Add(New IconListBoxItem(DirI.Name, 2))
         End If
      Next
      ' elenco dei file
      Dim vFileI As FileInfo() = DirInfo.GetFiles()
      Dim FileI As FileInfo
      For Each FileI In vFileI
         Dim sExt As String = Path.GetExtension(FileI.Name).ToUpper()
         If sExt = ".NGE" Then
               m_MainWindow.m_OpenItemList.Add(New IconListBoxItem(FileI.Name, 3))
         End If
      Next
      ' pulisco la vista
      ClearView()
      Return True
   End Function

   Private Function LoadDisks() As Boolean
      ' dir corrente vuoto
      m_sCurrDir = ""
      ' lo visualizzo
      FilePathTxBl.Content = m_sCurrDir
      ' pulisco la lista
      m_MainWindow.m_OpenItemList.Clear()
      ' elenco dei dischi
      Dim vDriI As DriveInfo() = DriveInfo.GetDrives()
      Dim DriI As DriveInfo
      For Each DriI In vDriI
         m_MainWindow.m_OpenItemList.Add(New IconListBoxItem(DriI.Name, 1))
      Next
      ' pulisco la vista
      ClearView()
      Return True
   End Function

   Private Sub FileListBox_PreviewMouseUp(sender As Object, e As MouseButtonEventArgs) Handles FileListBox.PreviewMouseUp
      ' Recupero item selezionato
      If FileListBox.SelectedItems.Count() = 0 Then
         Return
      End If
      Dim vItems As IconListBoxItem = FileListBox.SelectedItems(0)

      ' A seconda del tipo
      Select Case vItems.PictureID
      Case 0        ' Vai nel direttorio padre
         m_sCurrDir = IO.Path.GetDirectoryName(m_sCurrDir)
         m_sCurrFile = ""
         LoadCurrDir()
      Case 1        ' Vai nella radice del disco
         m_sCurrDir = vItems.Name
         m_sCurrFile = ""
         LoadCurrDir()
      Case 2        ' Vai nel sottodirettorio
         m_sCurrDir = IO.Path.Combine(m_sCurrDir, vItems.Name)
         m_sCurrFile = ""
         LoadCurrDir()
      Case 3        ' File
         m_sCurrFile = vItems.Name
         LoadCurrFile()
      End Select

   End Sub

   Private Sub FileListBox_SelectionChanged(sender As Object, e As SelectionChangedEventArgs) Handles FileListBox.SelectionChanged
      ' Recupero item selezionato
      If FileListBox.SelectedItems.Count() = 0 Then
         Return
      End If
      Dim vItems As IconListBoxItem = FileListBox.SelectedItems(0)

      ' Gestisco solo aggiornamento visualizzazione file
      If vItems.PictureID = 3 Then
         m_sCurrFile = vItems.Name
         LoadCurrFile()
      End If
   End Sub

   Private Function ClearView() As Boolean
      ' Pulisco il DB geometrico locale
      EgtNewFile()
      ' Eseguo zoom
      OpenScene.ZoomAll()
      ' Cancello messaggio
      MessageTxBx.Text = ""
      MessageBrd.Background = Brushes.Transparent
      OkBtn.IsEnabled = False
      m_bFileOk = False
      Return True
   End Function

   Private Function LoadCurrFile() As Boolean
      ' Pulisco il DB geometrico locale
      Dim bOk As Boolean = EgtNewFile()
      ' Costruisco path completa del file
      Dim sPath = IO.Path.Combine(m_sCurrDir, m_sCurrFile)
      ' Riconoscimento tipo
      Dim nFileType As Integer = EgtGetFileType(sPath)
      If nFileType = FT.NGE Then
         ' Carico Nge
         bOk = bOk AndAlso EgtOpenFile(sPath)
         ' attivo il gruppo di lavoro corrente
         Dim nMachGrpId As Integer = EgtGetFirstMachGroup()
         EgtSetCurrMachGroup(nMachGrpId)
         EgtShowOnlyTable(True)
      Else
         ' Formato sconosciuto
         bOk = False
      End If
      ' Cerco contrassegno di progetto OmagCut e flag di tagli ridotti
      Dim nMarkId As Integer = EgtGetFirstNameInGroup(GDB_ID.ROOT, NAME_PROJMARK)
      Dim bMarkOk = (nMarkId <> GDB_ID.NULL)
      Dim nFileReducedCut As Integer = 1
      EgtGetInfo(nMarkId, INFO_REDUCEDCUT, nFileReducedCut)
      Dim nReducedCut As Integer = GetPrivateProfileInt(S_MACH_NEST, K_MACH_REDUCEDCUT, 0, m_MainWindow.GetMachIniFile())
      Dim bReducedCutOk = (nFileReducedCut = 0) OrElse
                          (nFileReducedCut <> 0 And nReducedCut <> 0) OrElse
                          VerifyPartsNesting(False)
      m_bFileOk = bOk And bMarkOk And bReducedCutOk
      If m_bFileOk Then
         MessageTxBx.Text = ""
         MessageBrd.Background = Brushes.Transparent
         OkBtn.IsEnabled = True
      ElseIf Not bMarkOk Then
         MessageTxBx.Text = EgtMsg(MSG_OPENPAGEUC + 1)      'Progetto non valido
         MessageBrd.Background = Brushes.Tomato
         OkBtn.IsEnabled = False
      Else
         MessageTxBx.Text = EgtMsg(MSG_OPENPAGEUC + 2)      'Progetto con interferenze. Per caricarlo disabilita rispetto tagli completi.
         MessageBrd.Background = Brushes.Tomato
         OkBtn.IsEnabled = False
      End If
      ' Eseguo zoom
      OpenScene.ZoomAll()
      Return bOk
   End Function

   Private Function VerifyPartsNesting(bReducedCut As Boolean) As Boolean
      ' Recupero il grezzo
      Dim nRawId As Integer = EgtGetFirstRawPart()
      ' Ciclo su tutti i pezzi in tavola
      Dim nPartId As Integer = EgtGetFirstGroupInGroup(nRawId)
      While nPartId <> GDB_ID.NULL
         If Not EgtVerifyPart(nPartId, bReducedCut, -10000, -10000, 10000, 10000) Then
            Return False
         End If
         nPartId = EgtGetNextGroup(nPartId)
      End While
      Return True
   End Function

   Private Sub OnMouseDownScene(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles OpenScene.OnMouseDownScene
   End Sub

   Private Sub ConfirmBtn_Click(sender As Object, e As RoutedEventArgs) Handles OkBtn.Click
      ' Lancio caricamento nuovo progetto corrente
      If m_bFileOk Then
         m_MainWindow.m_CadCutPageUC.PostLoad(m_sCurrDir, m_sCurrFile)
      End If
      ' Istruzioni per chiudere OpenPageUC e aprire currentproject e cadcut page
      m_MainWindow.MainWindowGrid.Children.Remove(m_MainWindow.m_OpenPage)
      m_MainWindow.MainWindowGrid.Children.Add(m_MainWindow.m_CurrentProjectPageUC)
      m_MainWindow.m_ActivePage = MainWindow.Pages.CadCut
   End Sub

   Private Sub ExitBtn_Click(sender As Object, e As RoutedEventArgs) Handles ExitBtn.Click
      ' Istruzioni per chiudere OpenPageUC e aprire currentproject e cadcut page
      m_MainWindow.MainWindowGrid.Children.Remove(m_MainWindow.m_OpenPage)
      m_MainWindow.MainWindowGrid.Children.Add(m_MainWindow.m_CurrentProjectPageUC)
      m_MainWindow.m_ActivePage = MainWindow.Pages.CadCut
      ' Non modifico progetto corrente
   End Sub

   Private Sub OpenPage_Unloaded(sender As Object, e As RoutedEventArgs)
   End Sub

End Class