Doku/Dokumentation/EintragBearbeiten.vb

Imports System.Data.SqlClient

Public Class EintragBearbeiten

    Public con As New SqlConnection
    Public cmd As New SqlCommand
    Public reader As SqlDataReader

    Public Rubrik As String = Main.SenderRubrik
    Public Titel As String = Main.SenderTitel
    Public abfrage As String
    Public Linked As String
    Public LinkedWith As String
    Public neu As Boolean = Main.Neu
    Public neurubrik As Boolean = False
    Public geaendert As Boolean 

    Private Sub EintragBearbeiten_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        dbload()
        If Main.Debug = True Then
            Panelhinten.Dock = DockStyle.Left
            CmdTest.Visible = True
        End If
        If Neu = True Then
            anzeigen()
        Else
            Me.Text = Titel
            importieren(Rubrik, Titel)
        End If

        Class1.Autocomplete(TxtRubrik, "Rubrik", "Tbl_Allgemein")
    End Sub

    Public Function dbload()
        con.ConnectionString = Class1.DBConString
        cmd.Connection = con
    End Function

    Public Function importieren(Rubrik As String, titel As String)
        abfrage = "Rubrik='" & Rubrik & "' AND Titel='" & titel & "'"
        'MsgBox(standort & netzwerk & Host)
        Try
            con.Open()
            cmd.CommandText = "SELECT * FROM TbL_Allgemein WHERE " & abfrage & ""

        Catch ex As Exception
            MsgBox("Fehler Function Import: " & ex.Message)
        End Try
        anzeigen()
        con.Close()
        geaendert = False
    End Function

    Public Function anzeigen()
        TxtInfo.Text = ""
        TxtBenutzername.Text = ""
        TxtKennwort.Text = ""
        TxtLink.Text = ""
        TxtTitel.Text = ""
        TxtRubrik.Text = Rubrik
        Try
            reader = cmd.ExecuteReader()
            Do While reader.Read()

                TxtTitel.Text = reader("Titel")
                TxtInfo.Text = reader("Info")
                TxtBenutzername.Text = reader("Benutzer")
                TxtKennwort.Text = reader("Passwort")
                TxtLink.Text = reader("LINK")
                'TxtRubrik.Text = reader("Rubrik")
            Loop
            reader.Close()
        Catch ex As Exception
            'MsgBox("Hostbearbeiten.Ausgabe_Host reader.Read: " & ex.Message)
        End Try
    End Function

    Public Function speichern(wie As String)
        Dim InfoSQL As String = Class1.hochkomma(TxtInfo.Text)
        Dim NameChanged As Boolean = False

        con.Close()

        abfrage_neu_rubrik(TxtRubrik.Text)
        If Rubrik = TxtRubrik.Text And Titel = TxtTitel.Text Then
            NameChanged = False
        Else
            NameChanged = True
            If abfrage_exist(TxtRubrik.Text, TxtTitel.Text) = True Then
                MsgBox("Bitte eindeutigen Namen verwenden.")
                con.Close()
                Exit Function
            Else
                con.Close()
            End If
        End If


        Try
            If wie = "Insert" Then
                Rubrik = TxtRubrik.Text
                Titel = TxtTitel.Text
                con.Open()
                cmd.CommandText = "INSERT INTO TbL_Allgemein (Titel, Rubrik) VALUES ('" & Titel & "', '" & Rubrik & "')"
                cmd.ExecuteNonQuery()
                abfrage = "Rubrik='" & Rubrik & "' AND Titel='" & Titel & "'"
                cmd.CommandText = "UPDATE TbL_Allgemein SET Rubrik = '" & TxtRubrik.Text & "', Titel = '" & TxtTitel.Text & "', Info = '" & InfoSQL & "', Benutzer = '" & TxtBenutzername.Text & "', Passwort = '" & TxtKennwort.Text & "', Link = '" & TxtLink.Text & "' WHERE " & abfrage & ""
                cmd.ExecuteNonQuery()
                con.Close()
                geaendert = False
                neu = False
                Main.Neu = False
            ElseIf wie = "Update" Then
                con.Close()
                con.Open()
                cmd.CommandText = "UPDATE TbL_Allgemein SET Rubrik = '" & TxtRubrik.Text & "', Titel = '" & TxtTitel.Text & "', Info = '" & InfoSQL & "', Benutzer = '" & TxtBenutzername.Text & "', Passwort = '" & TxtKennwort.Text & "', Link = '" & TxtLink.Text & "' WHERE " & abfrage & ""
                cmd.ExecuteNonQuery()
                con.Close()
                geaendert = False
                If NameChanged = True Then
                    Folder.FolderMove(Rubrik, Titel, TxtRubrik.Text, TxtTitel.Text)
                End If
                NameChanged = False
            End If

        Catch ex As Exception
            MsgBox("Speichern(wie) : " & ex.Message)
            con.Close()
        End Try
        Rubrik = TxtRubrik.Text
        Titel = TxtTitel.Text
    End Function

    Private Function abfrage_neu_rubrik(rubrik As String)
        con.Open()
        cmd.CommandText = "SELECT * FROM TbL_Allgemein WHERE Rubrik='" & rubrik & "'"
        cmd.ExecuteNonQuery()
        reader = cmd.ExecuteReader()
        If reader.Read() Then
            neurubrik = False
            'MsgBox("nicht neu")
        Else
            neurubrik = True
            'MsgBox("Neu")
        End If
        con.Close()
    End Function

    Private Function abfrage_exist(rubrik As String, titel As String)
        con.Open()
        cmd.CommandText = "SELECT * FROM TbL_Allgemein WHERE Rubrik='" & rubrik & "' AND Titel='" & titel & "'"
        cmd.ExecuteNonQuery()
        reader = cmd.ExecuteReader()
        If reader.Read() Then
            Return True
            con.Close()
        Else
            Return False
            con.Close()
        End If
        con.Close()
    End Function


    Private Sub CmdSave_Click(sender As Object, e As EventArgs) Handles CmdSave.Click
        If Neu = False Then
            speichern("Update")
        ElseIf Neu = True Then
            speichern("Insert")
        End If

    End Sub



    Private Function openfilepath()
        Dim ds As New DataSet()
        Dim islinked As Integer
        Dim path As String
        Try
            dbload()
            con.Open()
            Dim sda As New SqlDataAdapter("SELECT * FROM TbL_Allgemein WHERE " & abfrage & "", con)
            sda.Fill(ds)
            con.Close()
            Dim Info As String = ds.Tables(0).Rows(0).Item("Info")

            If IsDBNull(ds.Tables(0).Rows(0).Item("Linked")) Then
                islinked = "0"
            ElseIf Not IsDBNull(ds.Tables(0).Rows(0).Item("Linked")) Then
                islinked = ds.Tables(0).Rows(0).Item("Linked")
            End If
            If IsDBNull(ds.Tables(0).Rows(0).Item("LinkedWith")) Then
                LinkedWith = ""
            ElseIf Not IsDBNull(ds.Tables(0).Rows(0).Item("LinkedWith")) Then
                LinkedWith = ds.Tables(0).Rows(0).Item("LinkedWith")
            End If

            If islinked = "1" Then
                Dim dslinked As New DataSet()

                dbload()
                con.Open()

                Dim da As New SqlDataAdapter("SELECT * FROM Tbl_Allgemein WHERE LinkedWith='" & LinkedWith & "'", con)
                da.Fill(dslinked)

                con.Close()

                path = Class1.FilePath & "\" & dslinked.Tables(0).Rows(0).Item("Rubrik") & "\" & dslinked.Tables(0).Rows(0).Item("Titel") '& "\" & dslinked.Tables(0).Rows(0).Item("Host")
            Else
                'MsgBox("not linked")
                path = Class1.FilePath & "\" & Rubrik & "\" & Titel '& "\" & SenderHost
            End If
        Catch ex As Exception
            MsgBox("openfilepath() Tbl_Allgemein: " & ex.Message)
        End Try
        con.Close()
        ''Pfad öffnen:
        Try
            If IO.Directory.Exists(path) Then
                Process.Start(path)
            Else
                IO.Directory.CreateDirectory(path)
                Process.Start(path)
            End If
        Catch ex As Exception
        End Try


    End Function

    Private Sub CmdDelete_Click(sender As Object, e As EventArgs) Handles CmdDelete.Click
        Dim path As String
        path = Class1.FilePath & "\" & Rubrik & "\" & Titel

        If MsgBox("Eintrag wirklich löschen?", MsgBoxStyle.OkCancel) = MsgBoxResult.Ok Then
            con.Open()
            If MessageBox.Show("Dazugehörigen Ordner im Dateisystem löschen?", "Dateien löschen", MessageBoxButtons.YesNo) = DialogResult.Yes Then
                deleteFiles(path, Rubrik)
            ElseIf DialogResult.No Then
                Exit Sub
            End If
            cmd.CommandText = "DELETE TbL_Allgemein WHERE " & abfrage & ""
            cmd.ExecuteNonQuery()
            con.Close()
            Main.LstStandortLoad()
            Me.Close()
        Else
            Exit Sub
        End If
    End Sub
    Private Function deleteFiles(path As String, Rubrik As String)
        Dim rubrikpath As String = Class1.FilePath & "\" & Rubrik
        Try
            If IO.Directory.Exists(path) Then
                Dim files As String() = IO.Directory.GetFiles(path)
                For Each file As String In files
                    IO.File.Delete(file)
                Next

                IO.Directory.Delete(path, True)
            Else
                'MsgBox("Kein Ordner zum Löschen gefunden: wird übersprungen.")
            End If
        Catch ex As Exception
            MsgBox("Beim Löschen der Dateien: " & ex.Message)
        End Try
        ''Überprüfen, ob letzter Eintrag der Rubrik bzw. ob Odner der Rubrik leer ist:
        Try
            If IO.Directory.Exists(rubrikpath) Then
                Dim files As String() = IO.Directory.GetFiles(rubrikpath)
                Dim folder As String() = IO.Directory.GetDirectories(rubrikpath)
                Dim out As String = ""
                For Each row As String In files
                    out &= row
                Next
                For Each row As String In folder
                    out &= row
                Next
                If out IsNot "" Then
                    Exit Function
                Else
                    IO.Directory.Delete(rubrikpath, True)
                End If

            Else
                'MsgBox("Kein Ordner zum Löschen gefunden: wird übersprungen.")
            End If
        Catch ex As Exception
            MsgBox("Beim Löschen der Dateien: " & ex.Message)
        End Try

    End Function

    Private Sub CmdDateien_Click(sender As Object, e As EventArgs) Handles CmdDateien.Click
        openfilepath()
    End Sub




    Private Sub CmdLink_Click(sender As Object, e As EventArgs) Handles CmdLink.Click
        Main.startlink()
    End Sub

    Private Sub ChkKennwortAnzeigen_CheckedChanged(sender As Object, e As EventArgs) Handles ChkKennwortAnzeigen.CheckedChanged
        If ChkKennwortAnzeigen.Checked Then
            TxtKennwort.PasswordChar = ""
        Else
            TxtKennwort.PasswordChar = "*"
        End If
    End Sub

    Public Function abfrage_aenderungenspeichern()
        If geaendert = False Then
            Exit Function
        ElseIf geaendert = True Then
            Dim result As Integer = MsgBox("Änderungen speichern?", MsgBoxStyle.YesNo)
            If result = MsgBoxResult.No Then
                Exit Function
            ElseIf result = MsgBoxResult.Yes Then
                If neu = True Then
                    speichern("Insert")
                Else
                    speichern("Update")
                End If
            End If
        End If
        geaendert = False
    End Function


    Private Sub TxtRubrik_TextChanged(sender As Object, e As EventArgs) Handles TxtRubrik.TextChanged, TxtTitel.TextChanged, TxtInfo.TextChanged, TxtBenutzername.TextChanged, TxtKennwort.TextChanged, TxtLink.TextChanged
        geaendert = True

    End Sub

    Private Sub CmdReset_Click(sender As Object, e As EventArgs) Handles CmdReset.Click
        If geaendert = True Then
            If MsgBox("Änderungen verwerfen?", MsgBoxStyle.OkCancel) = MsgBoxResult.Ok Then
                importieren(Rubrik, Titel)
            Else
                Exit Sub
            End If
        Else
            Exit Sub
        End If

    End Sub







    ''''''''''''''''''''''''''''''''''''''''''''''''''DEBUG''''''''''''''''''''''''''''''''''''''''''''''''''
    Private Sub DebugToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles DebugToolStripMenuItem.Click
        Panelhinten.Dock = DockStyle.Left
        CmdTest.Visible = True
    End Sub
    Private Sub CmdTest_Clicki(sender As Object, e As EventArgs) Handles CmdTest.Click
        MsgBox(Rubrik & Titel & TxtRubrik.Text & TxtTitel.Text)
    End Sub

    ''SCHLIESSEN''
    Private Sub CmdAbbrechen_Click(sender As Object, e As EventArgs) Handles CmdAbbrechen.Click
        'Main.LstStandortLoad()
        abfrage_aenderungenspeichern()
        If neurubrik = True Then
            Main.LstStandortLoad()
        End If
        Main.dgvload(Main.Tabelle)
        neu = False
        Main.LstAllgemein.SelectedItem = TxtRubrik
        Main.Activate()
        Me.Close()
    End Sub

    Private Sub Hostbearbeiten_Closing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
        'Main.LstStandortLoad()
        abfrage_aenderungenspeichern()
        If neurubrik = True Then
            Main.LstStandortLoad()
        End If
        neu = False
        Main.dgvload(Main.Tabelle)
        Main.LstAllgemein.SelectedItem = TxtRubrik
        Main.Activate()
    End Sub


End Class