Imports System
Imports System.Data
Imports System.Data.SqlTypes
Imports System.Data.SqlClient
Public Class frmDokument

#Region "Deklarationen"
    Dim Dokument As New DMS.clsDok
    Dim DokumentAblageTyp As New TKB.VV.DB.clsLC_Dokumenttyp
    Dim DokumentAblageTypen As New DataTable

    Dim FormReadonly As Boolean = False
    Dim FormDataChanged As Boolean = False
    Dim SpaltenTitel As New Utils.Tabellenspalte

    Dim Aktuelles_Dokument As Integer
    Dim Aktuelles_Element As Integer
    Dim Doktype As Integer

    ''' <summary>
    ''' Doktype
    ''' 1: Vertragselement
    ''' 2: Test-Drehbuch
    ''' 3: Applikationsdokument
    ''' 4: Applikationlogbuch
    ''' </summary>ö
    ''' <remarks></remarks>
    Dim Aktueller_Doktype As Integer

    Dim Anzeige As Boolean = False
    Private SaveFileName As String = ""
    Dim Neuer_Datensatz As Boolean = False
    Dim ishyperlink As Boolean = False
    Dim hyperlink As String = ""
#End Region

#Region "Closing / Check_Changes"

    ''' <summary>
    ''' Schliessen des Formulars
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub FormularClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
        If Me.FormReadonly = True Then Exit Sub
        If Check_Changes() = False Then
            e.Cancel = True
        Else
            If Me.Dokument.Neuer_Datensatz = True Then Me.Dokument.Delete(Me.Dokument.iDokumentNr.Value)
            Me.Dispose()
        End If
    End Sub

    ''' <summary>
    ''' Prüfung, ob Datenänderungen vorgenommen wurden. Beim Speichern werden ebenfalls allfällige Änderungen von C1DokumentAblagoeOrt durchgeführt. 
    ''' Wurden lediglich Änderungen bei C1Dokumentablageort vorgenommen, wird separat gefrat, ob die Änderungen gespeichert werden sollen.
    ''' </summary>
    ''' <remarks></remarks>
    Private Function Check_Changes() As Boolean
        If Me.FormReadonly Then Exit Function
        Dim msgres As MsgBoxResult
        If Me.FormDataChanged Then
            msgres = MsgBox("Möchten Sie die Änderungen speichern?", vbYesNoCancel + MsgBoxStyle.Question)
            Select Case msgres
                Case MsgBoxResult.Yes
                    Save_data()
                    Return True
                Case MsgBoxResult.Cancel
                    Return False
                Case MsgBoxResult.No
                    Return True
            End Select
        Else
            Return True
        End If
    End Function

#End Region

#Region "Formular"
    ''' <summary>
    ''' 
    ''' </summary>
    ''' <param name="DokumentNr">Optionaler Parameter Dokumentnummer des aktuellen Dokuments</param>
    ''' <remarks></remarks>
    Sub New(ByVal DokumentNr As Integer, ByVal Doktype As Integer, Optional ByVal Elementnr As Integer = -1, Optional ByVal Anzeige As Boolean = False, Optional ByVal CreateNew As Boolean = False)
        Me.InitializeComponent()
        If CreateNew Then
            Me.Aktuelles_Dokument = Me.Dokument.Add_New(Elementnr, DokType)
            Me.Neuer_Datensatz = True
        Else
            Me.Aktuelles_Dokument = DokumentNr
        End If
        Me.Anzeige = Anzeige
        Me.Aktuelles_Element = Elementnr
        Me.Doktype = Doktype
    End Sub

    Sub New(ByVal Produktnr As Integer, ByVal Hyperlink As Boolean, ByVal Link As String)
        Me.InitializeComponent()
        Me.Aktuelles_Dokument = Me.Dokument.Add_New(Produktnr, 1)
        Me.Neuer_Datensatz = True
        Me.Anzeige = Anzeige
        Me.Aktuelles_Element = Produktnr
        Me.Doktype = 1
        Me.ishyperlink = True
        Me.txtOriginalFilename_incl_path.Text = Link
        Me.txtHyperlink.Text = Link
        Me.hyperlink = Link
    End Sub

    Sub New(ByVal DokumentNr As Integer, ByVal Doktype As Integer, Optional ByVal Elementnr As Integer = -1, Optional ByVal Anzeige As Boolean = False, Optional ByVal CreateNew As Boolean = False, Optional ByVal Filename As String = "")
        Me.InitializeComponent()
        If CreateNew Then
            Me.Aktuelles_Dokument = Me.Dokument.Add_New(Elementnr, Doktype)
            Me.Neuer_Datensatz = True
            Me.Dokument.sBezeichnung = New SqlString(CType(System.IO.Path.GetFileName(Filename), String))
            Me.Dokument.sFilename = New SqlString(CType(System.IO.Path.GetFileName(Filename), String))
            Me.Dokument.sOriginalFilename_incl_Path = New SqlString(CType(Filename, String))
            Me.Dokument.Save_Data()
            Me.txtDateiname.Text = System.IO.Path.GetFileName(Filename)
            Me.txtFilename.Text = Filename
        Else
            Me.Aktuelles_Dokument = DokumentNr
        End If
        Me.Anzeige = Anzeige
        Me.Aktuelles_Element = Elementnr
        Me.Doktype = Doktype
    End Sub
    ''' <summary>
    ''' Formular-Load
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub frmDokument_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        If Anzeige = True Then
            Me.TSBtnSuche.Enabled = False
            Me.TSBtnSave.Enabled = False
        Else
            Me.TSBtnSuche.Enabled = True
        End If
        If Me.TSBtnSave.Enabled = False Or Me.TSBtnSave.Visible = False Then
            Me.FormReadonly = True
            Me.TSBtnCopy.Enabled = False
            Me.TSBtnNew.Enabled = False
            Me.TSBtnDelete.Enabled = False
        Else
            Me.FormReadonly = False
        End If


        'Dokumenttypen-Laden
        Me.Dokument.Get_Dokumenttypen()
        Me.cboxDokumenttyp.DataSource = Me.Dokument.Dokumenttypdaten
        Me.cboxDokumenttyp.DisplayMember = "Bezeichnung"
        Me.cboxDokumenttyp.ValueMember = "Dokumenttypnr"




        AddChanges(Me)
        Get_Data(Me.Aktuelles_Dokument)
        If Dokument.iDokType.Value = 6 Then
            Me.txtHyperlink.Text = Me.txtOriginalFilename_incl_path.Text
        End If
        If Me.Neuer_Datensatz = True Then
            Me.Dokument.Neuer_Datensatz = True
            Me.Neuer_Datensatz = False
            Me.cboxDokumenttyp.SelectedValue = Me.Dokument.Dokumenttypdaten.Rows(0).Item("dokumenttypnr")
        End If
        Me.txtBezeichnung.Focus()
        If ishyperlink = True Then
            Me.cboxDokumenttyp.Text = "Hyperlink"
            Me.txtHyperlink.Text = hyperlink
            Me.cboxDokumenttyp.SelectedValue = 6
            Me.pnlDokument.Visible = False
            Me.pnlHyperlink.Visible = True
            Me.Height = Me.ToolStrip1.Height + Me.Panel1.Height + Me.pnlHyperlink.Height + Me.MenuStrip1.Height + 20
        End If
    End Sub

#End Region

#Region "Buttons/Menu"

    ''' <summary>
    ''' Formular schliessen
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub TSBtnQuit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TSBtnQuit.Click
        Me.Close()
    End Sub

    ''' <summary>
    ''' Sicherungs-Button betätigt
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub TSBtnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TSBtnSave.Click
        Me.Save_data()
        Me.txtMutiert_am.Text = Me.Dokument.daMutiert_am.ToString
        Me.FormDataChanged = False
    End Sub

    ''' <summary>
    ''' Datensatz kopieren
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub TSBtnCopy_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TSBtnCopy.Click
        If Me.Check_Changes = False Then Exit Sub
        Me.Get_Data(Dokument.Create_Copy(Me.Dokument.iDokumentNr.Value))
        Me.Dokument.Neuer_Datensatz = True
    End Sub
    ''' <summary>
    ''' Neuer Datensatz erstellen
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub TSBtnNew_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TSBtnNew.Click
        If Me.Check_Changes = False Then Exit Sub
        Me.Get_Data(Me.Dokument.Add_New(Me.Aktuelles_Element, Me.Doktype))

        Me.txtFilename.Text = ""
        Me.Dokument.Neuer_Datensatz = True
        Me.txtBezeichnung.Focus()
    End Sub
    ''' <summary>
    ''' Aktueller Datensatz inaktivieren
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub TSBtnDelete_Click(ByVal senderBeendenToolStripMenuItem As System.Object, ByVal e As System.EventArgs) Handles TSBtnDelete.Click
        If MsgBox("Das Dokument wirklich löschen?", vbYesNo + vbQuestion) = MsgBoxResult.Yes Then
            Me.Dokument.Delete_Dokument(Me.Dokument.iDokumentNr.Value)
            Me.Close()
        End If
    End Sub

    ''' <summary>
    ''' Menu Beenden
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub BeendenToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BeendenToolStripMenuItem.Click
        Me.TSBtnQuit_Click(sender, e)
    End Sub

    ''' <summary>
    ''' Vertragspartner suchen
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub TSBtnSuche_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TSBtnSuche.Click
        If Not Me.FormReadonly Then Check_Changes()
        'Dim i As Integer
        'If Me.Vertragspartnerdata.Vertragspartner_Suchen(i) = True Then
        '    Me.Get_Data(i)
        'End If
    End Sub

#End Region

#Region "Eventhandler ChangeEreignisse"
    ''' <summary>
    ''' Allg Eventhandler für Chanage-Ereignise festlegen
    ''' </summary>
    ''' <param name="Container"></param>
    ''' <remarks></remarks>
    Private Sub AddChanges(ByVal Container As Control)
        Dim l As New List(Of Control)
        Me.GetControl(Me, "*", l)
        Dim evh As EventHandler = AddressOf ChangesMade
        For Each c As Control In l
            If TypeOf c Is TextBox Then
                Dim ctl As TextBox = c
                AddHandler ctl.TextChanged, evh
            End If
            If TypeOf c Is MaskedTextBox Then
                Dim ctl As MaskedTextBox = c
                AddHandler ctl.TextChanged, evh
            End If
            If TypeOf c Is ComboBox Then
                Dim ctl As ComboBox = c
                AddHandler ctl.SelectedValueChanged, evh
            End If
            If TypeOf c Is CheckBox Then
                Dim ctl As CheckBox = c
                AddHandler ctl.CheckedChanged, evh
            End If
        Next
    End Sub
    ''' <summary>
    ''' Envent-Handler für Change-Ereignisse
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub ChangesMade(ByVal sender As Object, ByVal e As System.EventArgs)
        Me.FormDataChanged = True
        Dim objtype As System.Type = sender.GetType
        If objtype.Name = "MaskedTextBox" Then
            Dim o As MaskedTextBox = sender
            If o.Text = "01.01.1900" Then o.Text = "  .  .    "
        End If

    End Sub

    ''' <summary>
    ''' Sucht in den Base-Controls sämtliche Controls mit dem Namen in "Key" (Wildcards * möglich) und listet
    ''' die gefundnen Controls in der Liste L zur weiteren Bearbeitung
    ''' </summary>
    ''' <param name="BaseControl">Base-Contrlo (z.B. aktuelles Formular</param>
    ''' <param name="Key">Schlüssel welcher gesucht werden soll</param>
    ''' <param name="L">Liste der gefundenen Objekte</param>
    ''' <returns>True wenn eines oder mehr Controls gefunden wurden, false wenn kein Control gefunden wurde.
    ''' </returns>
    ''' <remarks></remarks>
    Private Function GetControl(ByVal BaseControl As Control, ByVal Key As String, ByRef L As List(Of Control), Optional ByVal ReturnAtFirstElement As Boolean = False) As Boolean
        If L Is Nothing Then L = New List(Of Control)
        Dim Gut As Boolean
        Dim ReturnFlag As Boolean = False
        If Key IsNot Nothing Then Key = Key.ToLower

        If BaseControl.HasChildren = True Then
            For Each ctl As Control In BaseControl.Controls
                Gut = False
                If Key Is Nothing Then
                    Gut = True
                Else
                    If ctl.Name.Length >= Key.Length Then
                        Key = Key.ToLower
                        If Key.StartsWith("*") Then
                            If Key.Substring(1) = ctl.Name.ToLower.Substring(ctl.Name.Length - (Key.Length - 1), Key.Length - 1) Then Gut = True
                        ElseIf Key.EndsWith("*") Then
                            If Key.Substring(0, Key.Length - 1) = ctl.Name.ToLower.Substring(0, Key.Length - 1) Then Gut = True
                        Else
                            If Key = ctl.Name.ToLower Then Gut = True
                        End If
                    End If
                End If

                If Gut = True Then
                    L.Add(ctl)
                    If ReturnAtFirstElement = True Then ReturnFlag = True
                End If
                If ReturnFlag = False Then
                    Call GetControl(ctl, Key, L)
                End If
            Next
        End If

        If L.Count - 1 > -1 Then
            Return True
        Else
            Return False
        End If
    End Function

    ''' <summary>
    ''' Handelt das Change-Ereignis eines Datetimepckers und stellt das ausgewählte Datum in das entsprechende Textfeld
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub DateTimePicker_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles dtPickerVersionsdatum.ValueChanged
        Dim s As String
        Dim obj As DateTimePicker = sender
        s = obj.Name
        s = "txt" + s.Substring(8, s.Length - 8)
        Dim l As New List(Of Control)
        Dim txtb As MaskedTextBox
        GetControl(Me, s, l)
        For Each ctl As Control In l
            txtb = CType(ctl, MaskedTextBox)
            txtb.Text = obj.Value
        Next

    End Sub


#End Region

#Region "Daten"
    ''' <summary>
    ''' Daten ab DB laden uns ins Form befüllen
    ''' </summary>
    ''' <param name="DokumentNr"></param>
    ''' <remarks></remarks>
    Private Sub Get_Data(ByVal Dokumentnr As Integer)
        Try
            Dokument.Get_Dokumenttypen()
            Dokument.Get_Dokument(Dokumentnr)
            Me.txtBezeichnung.Text = Dokument.sBezeichnung.Value
            Me.cboxDokumenttyp.SelectedValue = Dokument.iDokumenttypNr.Value
            Me.txtBeschreibung.Text = Dokument.sBeschreibung.Value
            Me.txtVersion.Text = Dokument.sVersion.ToString
            Me.txtVersionsdatum.Text = Dokument.daVersionsdatum.ToString
            Me.txtDateiname.Text = Dokument.sFilename.Value
            If Me.txtDateiname.Text <> "" Then Me.btnDokumentAnzeigen.Enabled = True Else Me.btnDokumentAnzeigen.Enabled = False
            Me.txtDateiname.ReadOnly = True

            Me.SaveFileName = Me.txtDateiname.Text
            Me.txtOriginalFilename_incl_path.Text = Dokument.sOriginalFilename_incl_Path.Value
            Me.txtErstellt_am.Text = Dokument.daErstellt_am.ToString
            Me.txtMutiert_am.Text = Dokument.daMutiert_am.ToString
            Me.txtMutierer.Text = Dokument.iMutierer.Value
            Try
                Me.cbaktiv.Checked = Dokument.bAktiv.Value = True

            Catch ex As Exception
                Me.cbaktiv.Checked = True
            End Try
            If Not Anzeige Then
                For Each ctl As ToolStripButton In Me.ToolStrip1.Items
                    ctl.Enabled = True
                Next
            End If
            Me.FormDataChanged = False

        Catch ex As Exception
            For Each ctl As ToolStripButton In Me.ToolStrip1.Items
                ctl.Enabled = False
            Next
            Me.TSBtnQuit.Enabled = True
            Me.TSBtnSuche.Enabled = True
        End Try

        Me.FormDataChanged = False

    End Sub
 
    ''' <summary>
    ''' Daten ab Form speichern
    ''' </summary>
    ''' <remarks></remarks>
    Private Sub Save_data()
        'Prüfung, ob das Ausgewählte File zur Speicherung vorhanden ist
        If Not Me.ishyperlink Then
            If Me.txtFilename.Text <> "" And Me.cboxDokumenttyp.Text <> "Hyperlink" Then
                If Not IO.File.Exists(Me.txtFilename.Text) Then
                    MsgBox("Die gewählte Datei ist nicth vorhanden." + vbExclamation)
                    Exit Sub
                End If
            End If
        End If

        If Me.txtFilename.Text <> "" And Me.txtDateiname.Text <> "" And Me.txtDateiname.Text <> Me.SaveFileName And Me.SaveFileName <> "" Then
            'If msg.Show_MessageYesNo(272) = MsgBoxResult.No Then
            '    msg.show_standardmessage(273, MsgBoxStyle.Information)
            '    Exit Sub
            'End If
        End If
        Dokument.iKeyValue = New SqlInt32(CType(Me.Aktuelles_Element, Int32))
        Dokument.iDokumenttypNr = New SqlInt32(CType(Me.cboxDokumenttyp.SelectedValue, Int32))
        Dokument.sBezeichnung = New SqlString(CType(Me.txtBezeichnung.Text, String))
        Dokument.sBeschreibung = New SqlString(CType(Me.txtBeschreibung.Text, String))
        Dokument.sVersion = New SqlString(CType(Me.txtVersion.Text, String))
        If IsDate(Me.txtVersionsdatum.Text) Then
            Dokument.daVersionsdatum = New SqlDateTime(CType(Me.txtVersionsdatum.Text, DateTime))
        Else
            Dokument.daVersionsdatum = New SqlDateTime(CType(SqlDateTime.Null, DateTime))
        End If
        If Me.cboxDokumenttyp.SelectedValue = 6 Then
            Me.txtDateiname.Text = Me.txtHyperlink.Text
            Me.txtOriginalFilename_incl_path.Text = Me.txtHyperlink.Text
        End If
        Dokument.sFilename = New SqlString(CType(Me.txtDateiname.Text, String))
        Dokument.sOriginalFilename_incl_Path = New SqlString(CType(Me.txtOriginalFilename_incl_path.Text, String))
        Dokument.bAktiv = New SqlBoolean(CType(Me.cbaktiv.Checked = True, Boolean))
        Dokument.Save_Data()

        If Me.cboxDokumenttyp.Text <> "Hyperlink" Then
            If Dokument.Save_File(Dokument.iDokumentNr.Value, Me.txtFilename.Text) = False Then
                MsgBox("Die Datei konnte nicht gespeichert werden." + vbExclamation)
            End If
            'Me.Dokument.Dokumentablageort.Save_Data()
            Me.SaveFileName = Me.txtDateiname.Text
        End If
    End Sub
#End Region



    ''' <summary>
    ''' Auswahl des zu speichernden Dokumentes
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub brnFileOpen_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles brnFileOpen.Click
        Me.OpenFileDialog1.ShowDialog()
        If Me.OpenFileDialog1.FileName <> "" Then Me.txtFilename.Text = Me.OpenFileDialog1.FileName
        Me.txtOriginalFilename_incl_path.Text = Me.txtFilename.Text
        Me.txtDateiname.Text = System.IO.Path.GetFileName(Me.txtFilename.Text)
    End Sub

    ''' <summary>
    ''' Dokument anzeigen
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub btnDokumentAnzeigen_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDokumentAnzeigen.Click
        If Trim(Me.Aktuelles_Dokument) = "" Then Exit Sub
        Try
            Me.Dokument.Show_Doc(Me.Aktuelles_Dokument)

        Catch ex As Exception
            MsgBox("Die Datei konnte nicht geöffnet werden.", MsgBoxStyle.Exclamation)
        End Try
    End Sub
    ''' <summary>
    ''' Text-Change von Txt-Dateiname
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub txtDateiname_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtDateiname.TextChanged
        If Me.txtDateiname.Text <> "" Then Me.btnDokumentAnzeigen.Enabled = True Else Me.btnDokumentAnzeigen.Enabled = False
        Me.txtDateiname.ReadOnly = True
    End Sub


    Private Sub cboxDokumenttyp_SelectedIndexChanged(sender As Object, e As EventArgs) Handles cboxDokumenttyp.SelectedIndexChanged
        Try
            If Me.cboxDokumenttyp.Text = "Hyperlink" Then
                Me.pnlDokument.Visible = False
                Me.pnlHyperlink.Visible = True
                Me.Height = Me.ToolStrip1.Height + Me.Panel1.Height + Me.pnlHyperlink.Height + Me.MenuStrip1.Height + 20
            Else
                Me.pnlDokument.Visible = True
                Me.pnlHyperlink.Visible = False
                Me.Height = Me.ToolStrip1.Height + Me.Panel1.Height + Me.pnlDokument.Height + Me.MenuStrip1.Height + 20
            End If
        Catch
        End Try
    End Sub

    Private Sub txtHyperlink_TextChanged(sender As Object, e As EventArgs) Handles txtHyperlink.TextChanged
        Me.txtFilename.Text = Me.txtHyperlink.Text
        Me.txtOriginalFilename_incl_path.Text = Me.txtHyperlink.Text
        Me.txtDateiname.Text = Me.txtHyperlink.Text

    End Sub
End Class