Imports System.IO
Imports TestEIn.EgtInterface
Imports TestEIn.Scene

Public Class FlatParts

   ' Properties
   Private m_sCurrDir As String = String.Empty
   Private m_sCurrFile As String = String.Empty
   Private m_nFileType As Integer = FT.NULL

   Private Sub FlatParts_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
      ' imposto colore di default
      Dim DefColor As New Color3d(0, 0, 0)
      GetPrivateProfileColor(S_GEOMDB, K_DEFAULTCOLOR, DefColor, Form1.GetIniFile())
      Scene2.SetDefaultMaterial(DefColor)
      ' imposto colori sfondo
      Dim BackTopColor As New Color3d(192, 192, 192)
      GetPrivateProfileColor(S_SCENE, K_BACKTOP, BackTopColor, Form1.GetIniFile())
      Dim BackBotColor As New Color3d(BackTopColor)
      GetPrivateProfileColor(S_SCENE, K_BACKBOTTOM, BackBotColor, Form1.GetIniFile())
      Scene2.SetViewBackground(BackTopColor, BackBotColor)
      ' imposto colore di evidenziazione
      Dim MarkColor As New Color3d(255, 255, 0)
      GetPrivateProfileColor(S_SCENE, K_MARK, MarkColor, Form1.GetIniFile())
      Scene2.SetMarkMaterial(MarkColor)
      ' imposto colore per superfici selezionate
      Dim SelSurfColor As New Color3d(255, 255, 192)
      GetPrivateProfileColor(S_SCENE, K_SELSURF, SelSurfColor, Form1.GetIniFile())
      Scene2.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, Form1.GetIniFile())
      Scene2.SetZoomWinAttribs(bOutline, ZwColor)
      ' imposto colore della linea di distanza
      Dim DstLnColor As New Color3d(255, 0, 0)
      GetPrivateProfileColor(S_SCENE, K_DISTLINE, DstLnColor, Form1.GetIniFile())
      Scene2.SetDistLineMaterial(DstLnColor)
      ' imposto parametri OpenGL
      Dim nDriver As Integer = GetPrivateProfileInt(S_OPENGL, K_DRIVER, 3, Form1.GetIniFile())
      Dim b2Buff As Boolean = (GetPrivateProfileInt(S_OPENGL, K_DOUBLEBUFFER, 1, Form1.GetIniFile()) <> 0)
      Dim nColorBits As Integer = GetPrivateProfileInt(S_OPENGL, K_COLORBITS, 32, Form1.GetIniFile())
      Dim nDepthBits As Integer = GetPrivateProfileInt(S_OPENGL, K_DEPTHBITS, 32, Form1.GetIniFile())
      Scene2.SetViewAttributes(nDriver, b2Buff, nColorBits, nDepthBits)
      ' inizializzo la scena (DB geometrico + visualizzazione)
      Scene2.Init()
      ' assegno posizione e dimensioni finestra
      Dim nFlag As Integer
      Dim nLeft As Integer
      Dim nTop As Integer
      Dim nWidth As Integer
      Dim nHeight As Integer
      GetPrivateProfileWinPos(S_FLATPARTS, K_FLPWINPLACE, nFlag, nLeft, nTop, nWidth, nHeight, Form1.GetIniFile())
      Dim PtTL = New Point(nLeft, nTop)
      Dim s As Screen = Screen.FromPoint(PtTL)
      If s.Bounds.Contains(PtTL) Then
         Me.StartPosition = System.Windows.Forms.FormStartPosition.Manual
         Me.Location = New Point(nLeft, nTop)
         Me.Size = New Size(nWidth, nHeight)
         WindowState = If(nFlag = 1, FormWindowState.Maximized, FormWindowState.Normal)
      End If
      ' leggo direttorio corrente
      GetPrivateProfileString(S_FLATPARTS, K_FLPCURRDIR, "", m_sCurrDir, Form1.GetIniFile())
      ' lo carico
      LoadCurrDir()
      ' imposto misura
      If EgtUiUnitsAreMM() Then
         rbMm.Select()
      Else
         rbInch.Select()
      End If
   End Sub

   Private Sub FlatParts_FormClosing(sender As System.Object, e As FormClosingEventArgs) Handles MyBase.FormClosing
      ' Salvo posizione finestra
      Dim nFlag As Integer = If(Me.WindowState = FormWindowState.Maximized, 1, 0)
      WritePrivateProfileWinPos(S_FLATPARTS, K_FLPWINPLACE, nFlag, Me.Left, Me.Top, Me.Width, Me.Height, Form1.GetIniFile())
      ' Salvo direttorio corrente
      WritePrivateProfileString(S_FLATPARTS, K_FLPCURRDIR, m_sCurrDir, Form1.GetIniFile())
      ' Termino la scena (DB geometrico + visualizzazione)
      Scene2.Terminate()
   End Sub

   Private Sub FlatParts_KeyDown(ByVal sender As System.Object, ByVal e As KeyEventArgs) Handles Me.KeyDown
      If e.KeyData = Keys.Escape Then
         Me.DialogResult = System.Windows.Forms.DialogResult.Cancel
         Me.Close()
      End If
   End Sub

   Private Sub ListView1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ListView1.SelectedIndexChanged
      ' Recupero item selezionato
      Dim vItems As ListView.SelectedListViewItemCollection = ListView1.SelectedItems
      If vItems.Count() = 0 Then
         Return
      End If
      ' Gestisco solo aggiornamento visualizzazione file
      If vItems(0).ImageIndex = 3 Then
         m_sCurrFile = vItems(0).Text
         LoadCurrFile()
      End If
   End Sub

   Private Sub ListView1_ItemActivate(ByVal sender As Object, ByVal e As System.EventArgs) Handles ListView1.ItemActivate
      ' Recupero item selezionato
      Dim vItems As ListView.SelectedListViewItemCollection = ListView1.SelectedItems
      If vItems.Count() = 0 Then
         Return
      End If
      ' A seconda del tipo
      Select Case vItems(0).ImageIndex
      Case 0        ' Vai nel direttorio padre
         m_sCurrDir = IO.Path.GetDirectoryName(m_sCurrDir)
         m_sCurrFile = ""
         LoadCurrDir()
         ListView1.Items(0).Selected = True
         ListView1.Items(0).Focused = True
      Case 1        ' Vai nella radice del disco
         m_sCurrDir = vItems(0).Text
         m_sCurrFile = ""
         LoadCurrDir()
         ListView1.Items(0).Selected = True
         ListView1.Items(0).Focused = True
      Case 2        ' Vai nel sottodirettorio
         m_sCurrDir = IO.Path.Combine(m_sCurrDir, vItems(0).Text)
         m_sCurrFile = ""
         LoadCurrDir()
         ListView1.Items(0).Selected = True
         ListView1.Items(0).Focused = True
      Case 3        ' File
         ' Viene gestito dalla SelectedIndexChanged
      End Select
   End Sub

   Private Sub rbMm_CheckedChanged(sender As Object, e As EventArgs) Handles rbMm.CheckedChanged
      If Not String.IsNullOrWhiteSpace(m_sCurrFile) Then
         LoadCurrFile()
      End If
   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
      ' lo visualizzo
      tbCurrDir.Text = m_sCurrDir
      ' Inizio aggiornamento lista
      ListView1.BeginUpdate()
      ' pulisco la lista
      ListView1.Clear()
      ' per risalire al direttorio padre
      ListView1.Items.Add("..", 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
         If (DirI.Attributes And FileAttributes.Hidden) <> FileAttributes.Hidden Then
            ListView1.Items.Add(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 = ".DXF" Or sExt = ".NGE" Then
            ListView1.Items.Add(FileI.Name, 3)
         End If
      Next
      ' Fine aggiornamento lista
      ListView1.EndUpdate()
      ' pulisco la vista
      ClearView()
      Return True
   End Function

   Private Function LoadDisks() As Boolean
      ' dir corrente vuoto
      m_sCurrDir = ""
      ' lo visualizzo
      tbCurrDir.Text = m_sCurrDir
      ' Inizio aggiornamento lista
      ListView1.BeginUpdate()
      ' pulisco la lista
      ListView1.Clear()
      ' elenco dei dischi
      Dim vDriI As DriveInfo() = DriveInfo.GetDrives()
      Dim DriI As DriveInfo
      For Each DriI In vDriI
         ListView1.Items.Add(DriI.Name, 1)
      Next
      ' Fine aggiornamento lista
      ListView1.EndUpdate()
      ' pulisco la vista
      ClearView()
      Return True
   End Function

   Private Function ClearView() As Boolean
      ' Pulisco il DB geometrico locale
      EgtNewFile()
      ' Eseguo zoom
      Scene2.ZoomAll()
      ' disabilito bottoni Process e Insert
      btnUseLayer.Enabled = False
      btnUseClosedCurve.Enabled = False
      btnUseRegion.Enabled = False
      btnReset.Enabled = False
      btnInsert.Enabled = False
      Return True
   End Function

   Private Function LoadCurrFile() As Boolean
      ' Pulisco il DB geometrico locale
      Dim bOk As Boolean = EgtNewFile()
      ' Costruisco path completa del componente
      Dim sPath = IO.Path.Combine(m_sCurrDir, m_sCurrFile)
      ' Riconoscimento tipo
      m_nFileType = EgtGetFileType(sPath)
      If m_nFileType = FT.DXF Then
         ' recupero unità di misura del file
         Dim dScale As Double = If(rbMm.Checked(), ONEMM, ONEINCH)
         ' Importo file DXF
         bOk = bOk AndAlso EgtImportDxf(sPath, dScale)
      ElseIf m_nFileType = FT.NGE Then
         ' Carico Nge
         bOk = bOk AndAlso EgtOpenFile(sPath)
      Else
         ' Formato sconosciuto
         EgtNewFile()
         bOk = False
      End If
      ' Eseguo zoom
      Scene2.ZoomAll()
      ' abilito bottoni UseLayer e UseRegion, disabilito Reset e Insert
      btnUseLayer.Enabled = True
      btnUseClosedCurve.Enabled = True
      btnUseRegion.Enabled = True
      btnReset.Enabled = False
      btnInsert.Enabled = False
      Return bOk
   End Function

   Private Sub btnUseLayer_Click(sender As Object, e As EventArgs) Handles btnUseLayer.Click
      ' Creo i pezzi
      Dim nType As Integer = If(m_nFileType = FT.NGE, FPC_TYPE.NGE, FPC_TYPE.LAYER)
      EgtCreateFlatParts(nType)
      ' Eseguo zoom
      Scene2.ZoomAll()
      ' disabilito bottoni UseLayer e UseRegion, abilito bottoni Reset e Insert
      btnUseLayer.Enabled = False
      btnUseClosedCurve.Enabled = False
      btnUseRegion.Enabled = False
      btnReset.Enabled = True
      btnInsert.Enabled = True
   End Sub

   Private Sub btnUseClosedCurve_Click(sender As Object, e As EventArgs) Handles btnUseClosedCurve.Click
      ' Creo i pezzi
      Dim nType As Integer = If(m_nFileType = FT.NGE, FPC_TYPE.NGE, FPC_TYPE.CLOSEDCURVE)
      EgtCreateFlatParts(nType)
      ' Eseguo zoom
      Scene2.ZoomAll()
      ' disabilito bottoni UseLayer e UseRegion, abilito bottoni Reset e Insert
      btnUseLayer.Enabled = False
      btnUseClosedCurve.Enabled = False
      btnUseRegion.Enabled = False
      btnReset.Enabled = True
      btnInsert.Enabled = True
   End Sub

   Private Sub btnUseRegion_Click(sender As Object, e As EventArgs) Handles btnUseRegion.Click
      ' Creo i pezzi
      Dim nType As Integer = If(m_nFileType = FT.NGE, FPC_TYPE.NGE, FPC_TYPE.REGION)
      EgtCreateFlatParts(nType)
      ' Eseguo zoom
      Scene2.ZoomAll()
      ' disabilito bottoni UseLayer e UseRegion, abilito bottoni Reset e Insert
      btnUseLayer.Enabled = False
      btnUseClosedCurve.Enabled = False
      btnUseRegion.Enabled = False
      btnReset.Enabled = True
      btnInsert.Enabled = True
   End Sub

   Private Sub btnReset_Click(sender As Object, e As EventArgs) Handles btnReset.Click
      ' Ricarico file corrente
      LoadCurrFile()
   End Sub

   Private Sub btnInsert_Click(sender As Object, e As EventArgs) Handles btnInsert.Click
      ' Vettore nomi file temporanei
      Dim sTmpFiles As New ArrayList()
      ' Ciclo di salvataggio dei pezzi
      Dim nId As Integer = EgtGetFirstPart()
      While nId <> GDB_ID.NULL
         ' Esporto il pezzo in un file temporaneo
         Dim sTmpFile As String = Form1.GetTempDir() & "\FlatPart" & nId & ".Nge"
         sTmpFiles.Add(sTmpFile)
         If Not EgtSaveObjToFile(nId, sTmpFile, NGE.BIN) Then
            Return
         End If
         ' Passo al pezzo successivo
         nId = EgtGetNextPart(nId)
      End While
      ' Passo al contesto principale
      EgtSetCurrentContext(Form1.GetCtx())
      ' Elimino eventuali precedenti pezzi vuoti
      EgtEraseEmptyParts()
      ' Ciclo di caricamento dei pezzi
      For Each sTmpfile As String In sTmpFiles
         If My.Computer.FileSystem.FileExists(sTmpfile) Then
            ' Inserisco il pezzo
            EgtInsertFile(sTmpfile)
            ' Ne recupero l'Id
            Dim nId2 As Integer = EgtGetLastPart()
            ' Lo posiziono in ordine
            EgtPackBox(nId2, 0, 0, PACK_MAX_X, PACK_MAX_Y, PACK_OFFS, True)
            ' Cancello il file
            My.Computer.FileSystem.DeleteFile(sTmpfile)
         End If
      Next
      ' Aggiorno ambiente principale
      EgtZoom(ZM.ALL)
      Form1.LoadObjTree()
      ' Chiudo il dialogo
      Me.DialogResult = System.Windows.Forms.DialogResult.OK
      Me.Close()
   End Sub

End Class