Gaesteliste/Gästeliste/frmMain.vb

Imports System.ComponentModel
Imports System.Deployment
Imports System.Deployment.Application

Public Class frmMain
    Private _dataPath As String = System.IO.Path.Combine(My.Computer.FileSystem.SpecialDirectories.MyDocuments, "Gaesteliste.xml")
    'I should not need this for now - we do not work with mouse pointer rows index for selection but we select them with left-click.
    ' and with ctrl select (left click, multi-select!)
    'Private _rowIndex As Integer = 0

    Private Sub LoadWindowPosition()
        'http://christ-offer.blogspot.co.at/2012/02/vbnet-remember-application-window-size.html
        'TODO: Change this to get loaded from registry. I'm not a huge fan of my.settings ;)
        Dim ptLocation As System.Drawing.Point = My.Settings.WindowLocation

        If (ptLocation.X = -1) And (ptLocation.Y = -1) Then
            Return
        End If

        Dim bLocationVisible As Boolean = False
        For Each S As Screen In Screen.AllScreens
            If S.Bounds.Contains(ptLocation) Then
                bLocationVisible = True
                Exit For
            End If
        Next

        If Not bLocationVisible Then
            Return
        End If

        Me.StartPosition = FormStartPosition.Manual
        Me.Location = ptLocation
        Me.Size = My.Settings.WindowSize
    End Sub

    Private Sub frmMain_Closing(sender As Object, e As CancelEventArgs) Handles Me.Closing
        Me.GästeDataSet.WriteXml(_dataPath)

        My.Settings.WindowLocation = Me.Location
        My.Settings.WindowSize = Me.Size
    End Sub

    Private Sub frmMain_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Try
            Me.GästeDataSet.ReadXml(_dataPath)
        Catch ex As Exception
            ' do nothing, that file gets created when we close the application ;)
        End Try

        LoadWindowPosition()

        ' Setting colors of grids to some fancy ones :)
        'TODO: Save some colors in registry.
        Me.DataGridView1.RowsDefaultCellStyle.BackColor = Color.Azure
        Me.DataGridView1.AlternatingRowsDefaultCellStyle.BackColor = Color.Beige

        Dim Info As UpdateCheckInfo
        If ApplicationDeployment.IsNetworkDeployed Then
            Dim AD As ApplicationDeployment = ApplicationDeployment.CurrentDeployment

            Info = AD.CheckForDetailedUpdate
            If Info.UpdateAvailable Then
                statusVersionLabel.Text = "Version " & AD.CurrentVersion.ToString & "  (Update verfügbar: " & Info.AvailableVersion.ToString & ")"
                statusVersionLabel.Tag = "update"
            Else
                statusVersionLabel.Text = "Version " & AD.CurrentVersion.ToString
            End If
        Else
            statusVersionLabel.Text = "Lokale Version: " & My.Application.Info.Version.ToString
        End If
    End Sub

    Private Sub InfoToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles InfoToolStripMenuItem.Click
        Dim oForm As New frmAbout()
        oForm.ShowDialog()
        oForm.Dispose()
        oForm = Nothing
    End Sub

    Private Sub OnlineHilfeToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles OnlineHilfeToolStripMenuItem.Click
        Process.Start("http://klamm.io")
    End Sub

    Private Sub UpdateToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles UpdateToolStripMenuItem.Click
        Dim Info As UpdateCheckInfo

        If ApplicationDeployment.IsNetworkDeployed Then
            Dim AD As ApplicationDeployment = ApplicationDeployment.CurrentDeployment

            Info = AD.CheckForDetailedUpdate
            If Info.UpdateAvailable Then
                statusVersionLabel.Text = "Version " & AD.CurrentVersion.ToString & "  (Update verfügbar: " & Info.AvailableVersion.ToString & ")"
                statusVersionLabel.Tag = "update"
                If MsgBox("Ein Update ist verfügbar und wird jetzt installiert." + Chr(13) + "Die Anwendung wird danach neu gestartet.", vbOKCancel) = vbOK Then
                    AD.Update()
                    System.Windows.Forms.Application.Restart()
                End If
            Else
                statusVersionLabel.Text = "Version " & AD.CurrentVersion.ToString
                MsgBox("Es ist kein Update verfügbar.")
            End If
        Else
            statusVersionLabel.Text = "Lokale Version: " & My.Application.Info.Version.ToString
            MsgBox("Die Anwendung wurde nicht aus dem Internet bezogen und kann daher nicht aktualisiert werden.")
        End If
    End Sub

    Private Sub LöschenToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles LöschenToolStripMenuItem.Click
        For Each Row As DataGridViewRow In DataGridView1.SelectedRows
            Me.DataGridView1.Rows.RemoveAt(Row.Index)
        Next
        'Me.DataGridView1.Rows(Me.DataGridView1.Rows.Count - 1).Selected = True
        Try
            Me.DataGridView1.CurrentRow.Selected = True
        Catch ex As Exception
            'nothing :D
        End Try
    End Sub

    Private Sub HinzufügenToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles HinzufügenToolStripMenuItem.Click
        Dim oForm As New frmPerson()
        oForm.Tag = "add"
        oForm.ShowDialog()

        'http://www.vb-helper.com/howto_net_dataset_autonumber.html
        Dim dt As DataTable = GästeDataSet.Tables("Gäste")
        Dim dr As DataRow = dt.NewRow()

        With dr
            .Item("Nachname") = oForm.txtNachname.Text
            .Item("Vorname") = oForm.txtVorname.Text
            .Item("Straße") = oForm.txtStrasse.Text
            .Item("PLZ") = oForm.txtPLZ.Text
            .Item("Ort") = oForm.txtOrt.Text
            .Item("Land") = oForm.cboLand.Text
            .Item("Telefon") = oForm.txtTelefon.Text
            .Item("Email") = oForm.txtEmail.Text
            .Item("Anmerkung") = oForm.txtAnmerkung.Text
            .Item("Stammgast") = oForm.chkStammgast.Checked
            .Item("Blockiert") = oForm.chkBlacklist.Checked
        End With

        Try
            If oForm.DialogResult = vbOK Then
                dt.Rows.Add(dr)
            End If
        Catch ex As Exception
            MsgBox("Gast konnte nicht hinzugefügt werden." & vbCrLf & ex.Message)
        End Try

        oForm.Dispose()
        oForm = Nothing
    End Sub

    Private Sub BearbeitenToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles BearbeitenToolStripMenuItem.Click
        Dim oForm As New frmPerson()
        oForm.Tag = "edit"

        With oForm
            .txtID.Text = Me.DataGridView1.SelectedCells(0).Value.ToString
            .txtNachname.Text = Me.DataGridView1.SelectedCells(1).Value.ToString
            .txtVorname.Text = Me.DataGridView1.SelectedCells(2).Value.ToString
            .txtStrasse.Text = Me.DataGridView1.SelectedCells(3).Value.ToString
            .txtPLZ.Text = Me.DataGridView1.SelectedCells(4).Value.ToString
            .txtOrt.Text = Me.DataGridView1.SelectedCells(5).Value.ToString
            .cboLand.Text = Me.DataGridView1.SelectedCells(6).Value.ToString
            .txtTelefon.Text = Me.DataGridView1.SelectedCells(7).Value.ToString
            .txtEmail.Text = Me.DataGridView1.SelectedCells(8).Value.ToString
            .txtAnmerkung.Text = Me.DataGridView1.SelectedCells(11).Value.ToString
            .chkStammgast.Checked = CBool(Me.DataGridView1.SelectedCells(9).Value)
            .chkBlacklist.Checked = CBool(Me.DataGridView1.SelectedCells(10).Value)
        End With
        'MsgBox(CType(Me.DataGridView1.SelectedCells(10).Value, Boolean))
        'TODO: Lookup how to edit an entry without modifying the autoincrement_value (without changing the ID)
        'i first thought on deleting and re-creating the entry, but that would have created the person with another ID number

        oForm.ShowDialog()
        oForm.Dispose()
        oForm = Nothing
    End Sub

    'We should not have to use this any more. but for backup we left this here...
    'Private Sub DataGridView1_CellMouseUp(sender As Object, e As DataGridViewCellMouseEventArgs) Handles DataGridView1.CellMouseUp
    '    If e.Button = MouseButtons.Right Then
    '        Me.DataGridView1.Rows(e.RowIndex).Selected = True
    '        Me._rowIndex = e.RowIndex
    '        Me.DataGridView1.CurrentCell = Me.DataGridView1.Rows(e.RowIndex).Cells(1)
    '        Me.mnuContext.Show(Me.DataGridView1, e.Location)
    '        mnuContext.Show(Cursor.Position)
    '    End If
    'End Sub

    Private Sub DataGridView1_MouseUp(sender As Object, e As MouseEventArgs) Handles DataGridView1.MouseUp
        If e.Button = MouseButtons.Right Then
            If Me.DataGridView1.SelectedRows.Count < 1 Then
                HinzufügenToolStripMenuItem.Visible = True
                BearbeitenToolStripMenuItem.Visible = False
                LöschenToolStripMenuItem.Visible = False
            Else
                If Me.DataGridView1.SelectedRows.Count > 1 Then
                    HinzufügenToolStripMenuItem.Visible = True
                    BearbeitenToolStripMenuItem.Visible = False
                    LöschenToolStripMenuItem.Visible = True
                Else
                    HinzufügenToolStripMenuItem.Visible = True
                    BearbeitenToolStripMenuItem.Visible = True
                    LöschenToolStripMenuItem.Visible = True
                End If
            End If
            Me.mnuContext.Show(Me.DataGridView1, e.Location)
            mnuContext.Show(Cursor.Position)
        End If
    End Sub

    Private Sub statusVersionLabel_Click(sender As Object, e As EventArgs) Handles statusVersionLabel.Click
        'If statusVersionLabel.Tag = "update" Then
        UpdateToolStripMenuItem_Click(sender, Nothing)
        'End If
    End Sub
End Class