Imports System.IO
Imports XLSLib

Friend Module TVToExcel

    Dim level As Integer = 0
    Dim ExcelData As New DataTable
    Dim Leveldata() As String
    Dim xls As New XLSLib.clsXLSLib

    Sub Addrow_v(ByVal level As Integer, Optional ByVal Typ As String = "")
        Dim dr As DataRow
        dr = ExcelData.NewRow
        For i As Integer = 0 To level
            dr.Item(i) = Leveldata(i)
        Next
        ExcelData.Rows.Add(dr)
    End Sub
    Sub Addrow(ByVal level As Integer, Optional ByVal Typ As String = "")
        Dim dr As DataRow
        dr = ExcelData.NewRow
        dr.Item(0) = Typ
        For i As Integer = 0 To level
            dr.Item(i + 1) = Leveldata(i)
        Next
        ExcelData.Rows.Add(dr)
    End Sub

    Sub Export_Vertragselemente(ByVal tv As TreeView, ByVal filename As String)
        Dim s As String = " ; ; ; ; ; ; ; ; ; ;"
        Leveldata = s.Split(";")
        ExcelData.Rows.Clear()
        ExcelData.Columns.Clear()
        ExcelData.Columns.Add("Element1")
        ExcelData.Columns.Add("Element2")
        ExcelData.Columns.Add("Element3")
        ExcelData.Columns.Add("Element4")
        ExcelData.Columns.Add("Element5")
        ExcelData.Columns.Add("Element6")
        ExcelData.Columns.Add("Element7")
        ExcelData.Columns.Add("Element8")

        For Each xx As TreeNode In tv.Nodes
            level = 0
            Leveldata(level) = xx.Text
            Addrow_v(level)
            treedown(xx)
            s = " ; ; ; ; ; ; ; ; ; ;"
            Leveldata = s.Split(";")
        Next
        level = 0
        Leveldata(level) = ""
        Addrow(level)
        Leveldata(level) = "Legende:"
        Addrow(level)
        Leveldata(level) = "***... = Inaktives Element"
        Addrow(level)

        xls.Write_Excel(ExcelData, True)
        'DatatableToExcel(ExcelData, filename)
    End Sub
    Sub treedown(ByVal xx As TreeNode)
        For Each xy As TreeNode In xx.Nodes
            level = level + 1
            Dim fnt As Font = xy.NodeFont

            If fnt.Strikeout = True Then Leveldata(level) = "*** " + xy.Text Else Leveldata(level) = xy.Text
            If Not xy.ImageIndex = 9 Then
                Addrow_v(level, "")
            End If
            treedown(xy)
            level = level - 1
        Next
    End Sub

    Sub Export_Applikationen(ByVal tv As TreeView, ByVal filename As String)
        Dim s As String = " ; ; ; ; ; ; ; ; ; ;"
        Leveldata = s.Split(";")
        ExcelData.Rows.Clear()
        ExcelData.Columns.Clear()
        ExcelData.Columns.Add("Typ")
        ExcelData.Columns.Add("Element1")
        ExcelData.Columns.Add("Element2")
        ExcelData.Columns.Add("Element3")
        ExcelData.Columns.Add("Element4")
        ExcelData.Columns.Add("Element5")
        ExcelData.Columns.Add("Element6")
        ExcelData.Columns.Add("Element7")
        ExcelData.Columns.Add("Element8")

        For Each xx As TreeNode In tv.Nodes
            level = 0
            ' Leveldata(level) = xx.Text
            If xx.ImageIndex = 2 Or xx.ImageIndex = 4 Or xx.ImageIndex = 6 Then Leveldata(level) = "*** " + xx.Text Else Leveldata(level) = xx.Text
            If xx.ImageIndex = 1 Then Addrow(level, "")
            If xx.ImageIndex = 3 Then Addrow(level, "L")
            If xx.ImageIndex = 5 Then Addrow(level, "S")
            If xx.ImageIndex = 2 Then Addrow(level, "")
            If xx.ImageIndex = 4 Then Addrow(level, "L")
            If xx.ImageIndex = 6 Then Addrow(level, "S")
            treedown1(xx)
            s = " ; ; ; ; ; ; ; ; ; ;"
            Leveldata = s.Split(";")
        Next
        level = 0
        Leveldata(level) = ""
        Addrow(level)
        Leveldata(level) = "Legende:"
        Addrow(level)
        Leveldata(level) = "***... = Inaktives Element"
        Addrow(level)
        Leveldata(level) = "Typ '' = Applikation/Modul"
        Addrow(level)
        Leveldata(level) = "Typ 'L' = Lizenzelement"
        Addrow(level)
        Leveldata(level) = "Typ 'S' = Strukturelement"
        Addrow(level)
        xls.Write_Excel(ExcelData, True)
        '        DatatableToExcel(ExcelData, filename)

    End Sub
    Sub treedown1(ByVal xx As TreeNode)
        For Each xy As TreeNode In xx.Nodes
            level = level + 1
            Dim fnt As Font = xy.NodeFont
            If xy.ImageIndex = 2 Or xy.ImageIndex = 4 Or xy.ImageIndex = 6 Then Leveldata(level) = "*** " + xy.Text Else Leveldata(level) = xy.Text
            If xy.ImageIndex = 1 Then Addrow(level, "")
            If xy.ImageIndex = 3 Then Addrow(level, "L")
            If xy.ImageIndex = 5 Then Addrow(level, "S")
            If xy.ImageIndex = 2 Then Addrow(level, "")
            If xy.ImageIndex = 4 Then Addrow(level, "L")
            If xy.ImageIndex = 6 Then Addrow(level, "S")
            treedown1(xy)
            level = level - 1
        Next
    End Sub
 

    Function DatatableToExcel(ByVal aDataTable As DataTable, ByVal aOutputFilename As String) As Boolean
        Application.DoEvents()
        Dim f As New FrmFortschritt
        Dim app As New Object
        Dim wb As New Object
        Dim ws As New Object
        Try
            f.Show()
            Application.DoEvents()
            f.ProgressBar1.Minimum = 0
            f.ProgressBar1.Maximum = aDataTable.Rows.Count
            f.ProgressBar1.Step = 1
            app = CreateObject("Excel.application")
            'Dim wb As Object
            'Dim ws As Object
            '        Dim app As New Excel.ApplicationClass
            '       Dim wb As Excel.Workbook
            '      Dim ws As Excel.Worksheet
            wb = app.Workbooks.add()
            'wb = app.Workbooks.Add()
            ws = wb.ActiveSheet()
            Dim dc As DataColumn
            Dim dr As DataRow
            Dim colIndex As Integer
            Dim rowIndex As Integer
            ' Columns erstellen
            For Each dc In aDataTable.Columns
                colIndex += 1
                app.Cells(1, colIndex) = dc.ColumnName
            Next
            For Each dr In aDataTable.Rows
                f.ProgressBar1.PerformStep()
                rowIndex += 1
                colIndex = 0
                For Each dc In aDataTable.Columns
                    colIndex += 1
                    app.Cells(rowIndex + 1, colIndex) = dr(dc.ColumnName)
                Next
            Next
            ws.Columns.AutoFit()
            wb.SaveAs(aOutputFilename)
            app.Workbooks.Open(aOutputFilename)
            ' Excel anzeigen wenn fertig exportiert
            app.Visible = True
            ws = Nothing
            wb = Nothing
            app = Nothing

            f.Close()
            Return True
        Catch ex As Exception
            f.Close()
            MsgBox(ex.Message)
        End Try


    End Function
End Module