EnvelopeGenerator/EnvelopeGenerator.Form/frmEnvelopeEditor.vb

Imports System.ComponentModel
Imports DevExpress.Export.Xl
Imports DevExpress.Utils.Drawing
Imports DevExpress.XtraEditors
Imports DevExpress.XtraGrid
Imports DevExpress.XtraGrid.Views.Grid
Imports DevExpress.XtraSplashScreen
Imports DigitalData.Modules.Base
Imports DigitalData.Modules.Logging
Imports EnvelopeGenerator.Common
Imports EnvelopeGenerator.Common.Constants
Imports EnvelopeGenerator.Common.My

Partial Public Class frmEnvelopeEditor
    Public Property Envelope As Envelope
    Public Property Documents As New BindingList(Of EnvelopeDocument)
    Public Property Receivers As New BindingList(Of EnvelopeReceiver)

    Private Controller As EnvelopeEditorController
    Private Logger As Logger

    Public Property State As State

    Public Sub New()
        InitializeComponent()
    End Sub

    Private Sub btnNewFile_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnNewFile.ItemClick

        ' prüfen ob es schon eine Datei gibt
        If Documents.Count > 0 Then
            MsgBox(Resources.Envelope.Only_one_file_is_allowed, MsgBoxStyle.Information, Text)
            Return
        End If

        If OpenFileDialog1.ShowDialog() = DialogResult.OK Then
            Dim oDocument = Controller.CreateDocument(OpenFileDialog1.FileName)

            If oDocument IsNot Nothing Then
                Documents.Add(oDocument)
            Else
                MsgBox(Resources.Envelope.Document_Could_Not_Be_Saved, MsgBoxStyle.Critical, Text)
            End If
        End If

        RibbonPageGroupAddSignature_Enabled()
    End Sub

    Private Sub frmEditor_Load(sender As Object, e As EventArgs) Handles Me.Load
        Logger = State.LogConfig.GetLogger()

        If Envelope Is Nothing Then
            Controller = New EnvelopeEditorController(State)

            ' Get additional data
            Dim oDataForm As New frmEnvelopeMainData() With {.State = State, .NewEnvelopeMode = True}
            Dim oResult As DialogResult = oDataForm.ShowDialog()
            If oResult = DialogResult.OK Then
                Controller.Envelope.Title = oDataForm.EnvelopeTitle
                Controller.Envelope.ContractType = oDataForm.EnvelopeContractType
            Else
                Controller.DeleteEnvelopeFromDisk(Controller.Envelope)
                Me.Close()
            End If
        Else
            Controller = New EnvelopeEditorController(State, Envelope)
            Documents = New BindingList(Of EnvelopeDocument)(Controller.Envelope.Documents)
            Receivers = New BindingList(Of EnvelopeReceiver)(Controller.Envelope.Receivers)

            For Each docItem As EnvelopeDocument In Documents
                If docItem.Thumbnail Is Nothing Then
                    docItem.Thumbnail = Controller.CreateThumbnail(docItem.Filepath)
                End If
            Next

            If Envelope.Status = Constants.EnvelopeStatus.EnvelopeSent Then
                ' TODO - Nach Testen
                ' SetFormReadonly()
            End If
        End If

        txtMessage.EditValue = Controller.Envelope.Message

        GridDocuments.DataSource = Documents
        GridReceivers.DataSource = Receivers

        Dim oAddresses = Controller.GetEnvelopeReceiverAddresses(State.UserId)
        RepositoryItemComboBox1.Items.Clear()
        RepositoryItemComboBox1.Items.AddRange(oAddresses)

        SetFormTitle(Controller.Envelope.Title)
    End Sub

    Private Sub btnDeleteFile_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnDeleteFile.ItemClick
        If ViewDocuments.GetSelectedRows().Count > 0 Then

            Dim oMessage = Resources.Envelope.Do_you_really_want_to_remove_this_document
            If MsgBox(oMessage, MsgBoxStyle.Question Or MsgBoxStyle.YesNo, Text) = MsgBoxResult.No Then
                Exit Sub
            End If

            Dim oDocument As EnvelopeDocument = DirectCast(ViewDocuments.GetFocusedRow(), EnvelopeDocument)
            If Controller.DeleteDocument(oDocument) Then
                Documents.Remove(oDocument)
            End If
        End If
    End Sub

    Private Sub btnSave_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnSave.ItemClick
        Try
            SaveEnvelopeWithOutValidation()
        Catch ex As Exception
            Logger.Error(ex)
        End Try
    End Sub

    Private Sub btnEditFields_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnEditFields.ItemClick
        Dim oHandle = SplashScreenManager.ShowOverlayForm(Me)

        Try
            If SaveEnvelopeWithReceiverDocumentValidation() = False Then
                Return
            End If

            If ViewDocuments.GetSelectedRows().Count > 0 Then
                Dim oDocument As EnvelopeDocument = DirectCast(ViewDocuments.GetFocusedRow(), EnvelopeDocument)
                Dim oGDPictureKey As String = "21182889975216572111813147150675976632"

                Dim oForm As New frmFieldEditor() With {
                        .Document = Controller.Envelope.Documents.
                            Where(Function(d) d.Filename = oDocument.Filename).
                            SingleOrDefault(),
                        .GDPictureKey = oGDPictureKey,
                        .Receivers = Controller.Envelope.Receivers.ToList,
                        .State = State
                    }
                oForm.ShowDialog()

            End If
        Catch ex As Exception
            Logger.Error(ex)
        Finally
            SplashScreenManager.CloseOverlayForm(oHandle)
        End Try
    End Sub

    Private Function SaveEnvelopeWithValidation() As Boolean
        Return SaveEnvelope(True)
    End Function

    Private Function SaveEnvelopeWithOutValidation() As Boolean
        Return SaveEnvelope(False)
    End Function

    ''' <summary>
    ''' Speichert den Envelope und prüft
    ''' ob Receiver und Dokument vorhanden ist.
    ''' </summary>
    Private Function SaveEnvelopeWithReceiverDocumentValidation() As Boolean

        If SaveEnvelope(False) = True Then
            Dim oEnvelope = Controller.Envelope
            Dim oErrors = oEnvelope.ValidateReceiverDocumentData()
            If oErrors.Any Then
                ShowValidationErrors(Resources.Envelope.Errors_when_saving_the_envelope, oErrors)
                Return False
            End If
        Else
            Return False
        End If

        Return True
    End Function

    Private Function ValidateEnvelope() As List(Of String)
        Dim oMessage = GetEditValueFromTextControl(txtMessage)

        Dim oErrors As New List(Of String)

        If String.IsNullOrWhiteSpace(oMessage) Then
            oErrors.Add(Resources.Envelope.Missing_Message)
        End If

        If Documents.Count = 0 Then
            oErrors.Add(Resources.Envelope.Missing_Documents)
        End If

        If Receivers.Count = 0 Then
            oErrors.Add(Resources.Envelope.Missing_Receivers)
        End If

        For Each Receiver In Receivers
            If Helpers.IsValidEmailAddress(Receiver.Email) = False Then
                oErrors.Add(String.Format(Resources.Envelope.Invalid_Email_Address, Receiver.Name))
            End If
        Next

        Return oErrors
    End Function

    Private Function SaveEnvelope(pWithValidation As Boolean) As Boolean
        Dim oMessage = GetEditValueFromTextControl(txtMessage)

        ' Ensure all receivers are saved
        ViewReceivers.CloseEditor()

        If pWithValidation = True Then
            Dim oErrors = ValidateEnvelope()
            If oErrors.Any Then
                ShowValidationErrors(Resources.Envelope.Errors_when_saving_the_envelope, oErrors)
                Return False
            End If
        End If

        Dim oEnvelope = Controller.Envelope
        oEnvelope.Message = oMessage
        oEnvelope.Documents = Documents.ToList



        If Controller.SaveReceivers(oEnvelope, Receivers.ToList) = False Then
            MsgBox(Resources.Envelope.Error_when_saving_the_recipients, MsgBoxStyle.Critical, Text)
            Return False
        End If

        If Controller.SaveEnvelope() = False Then
            MsgBox(Resources.Envelope.Error_when_saving_the_envelope, MsgBoxStyle.Critical, Text)
            Return False
        Else
            Return True
        End If
    End Function

    Private Function GetEditValueFromTextControl(pControl As TextEdit) As String
        If pControl.EditValue Is Nothing Then
            Return String.Empty
        Else
            Return pControl.EditValue.ToString
        End If
    End Function

    Private Sub ShowValidationErrors(pErrorTitle As String, pErrors As List(Of String))
        Dim oError = pErrorTitle & vbNewLine & vbNewLine & String.Join(vbNewLine, pErrors)
        MsgBox(oError, MsgBoxStyle.Exclamation, Text)
    End Sub

    Private Sub btnDeleteReceiver_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnDeleteReceiver.ItemClick
        If ViewReceivers.SelectedRowsCount = 0 Then
            Exit Sub
        End If

        Dim oReceiver As EnvelopeReceiver = ViewReceivers.GetFocusedRow()

        If oReceiver Is Nothing Then
            Exit Sub
        End If

        Dim oMessage = Resources.Envelope.Do_you_want_to_delete_the_selected_recipient
        If Controller.ElementsExist(oReceiver.Id) Then
            oMessage = Resources.Envelope.There_are_already_elements_for_this_recipient
        End If

        If MsgBox(oMessage, MsgBoxStyle.Question Or MsgBoxStyle.YesNo, Text) = MsgBoxResult.No Then
            Exit Sub
        End If

        If Controller.DeleteReceiver(oReceiver) Then
            Receivers.Remove(oReceiver)
        Else
            MsgBox(Resources.Envelope.Recipient_could_not_be_deleted, MsgBoxStyle.Critical, Text)
        End If

    End Sub

    Private Sub btnSendEnvelope_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnSendEnvelope.ItemClick
        If Controller.Envelope.Status = Constants.EnvelopeStatus.EnvelopeSent Then
            MsgBox(Resources.Envelope.Envelope_already_sent, MsgBoxStyle.Information, Text)
            Exit Sub
        End If

        If SaveEnvelopeWithValidation() = False Then
            Exit Sub
        End If

        Dim oErrors = ValidateEnvelope()
        oErrors = Controller.ValidateEnvelopeForSending(oErrors)

        If oErrors.Any() Then
            ShowValidationErrors(Resources.Envelope.Error_when_validating_the_envelope, oErrors)
            Exit Sub
        End If

        Dim oMessage = Resources.Envelope.Do_you_want_to_start_the_signature_process_now
        If MsgBox(oMessage, MsgBoxStyle.Question Or MsgBoxStyle.YesNo, Text) = MsgBoxResult.No Then
            Exit Sub
        End If

        If Controller.SendEnvelope() = False Then
            MsgBox(Resources.Envelope.Envelope_could_not_be_sent, MsgBoxStyle.Critical, Text)
        Else
            If MsgBox(Resources.Envelope.Envelope_Invitations_Sent, MsgBoxStyle.Information Or MsgBoxStyle.OkOnly, Text) = MsgBoxResult.Ok Then
                Me.Close()
            End If
        End If
    End Sub

    Private Sub btnCancel_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnCancel.ItemClick
        ' Speichern?
        Dim oMessage = Resources.Envelope.Should_The_Envelope_Be_Saved
        If MsgBox(oMessage, MsgBoxStyle.Question Or MsgBoxStyle.YesNo, Text) = MsgBoxResult.Yes Then
            SaveEnvelope(False)
        End If

        ' Schließen
        Me.Close()
    End Sub

    Private Sub btnEditData_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnEditData.ItemClick
        Dim oForm As New frmEnvelopeMainData() With
        {
            .State = State,
            .EnvelopeTitle = Controller.Envelope.Title,
            .EnvelopeContractType = Controller.Envelope.ContractType,
            .NewEnvelopeMode = False
        }

        If oForm.ShowDialog() = DialogResult.OK Then
            Controller.Envelope.Title = oForm.EnvelopeTitle
            Controller.Envelope.ContractType = oForm.EnvelopeContractType
        End If

        SetFormTitle(Controller.Envelope.Title)
    End Sub

    Private Sub GridReceivers_PaintEx(sender As Object, e As DevExpress.XtraGrid.PaintExEventArgs) Handles GridReceivers.PaintEx
        Dim grid As GridControl = sender, view As GridView = Nothing

        If TypeOf sender Is GridControl AndAlso TypeOf grid.MainView Is GridView Then
            view = grid.MainView
            Dim pen = New Pen(Color.Gainsboro, 2)
            Dim info = view.GetViewInfo()
            e.Cache.DrawRectangle(pen, info.Bounds)
            pen.Dispose()
        End If
    End Sub

    Private Sub ViewReceivers_InitNewRow(sender As Object, e As InitNewRowEventArgs) Handles ViewReceivers.InitNewRow
        Dim oReceiver As EnvelopeReceiver = ViewReceivers.GetRow(e.RowHandle)

        Dim oUsedColors = Receivers.Select(Of Integer)(Function(r) r.ColorType).ToList()
        Dim oAllColors = [Enum].GetValues(GetType(ColorType)).Cast(Of Integer).ToList()
        Dim oUnusedColors = oAllColors.Except(oUsedColors)
        If oUnusedColors.Any() Then
            oReceiver.ColorType = oUnusedColors.Min()
        End If


    End Sub

    Private Sub frmEnvelopeEditor_Shown(sender As Object, e As EventArgs) Handles Me.Shown
        RibbonPageGroupAddSignature_Enabled()
        RibbonPageGroupReceiver_Enable()
        SendEnvelopeButton_Enable()
    End Sub
    Private Sub RibbonPageGroupAddSignature_Enabled()
        If ViewDocuments.RowCount > 0 And
            ViewReceivers.SelectedRowsCount > 0 Then
            RibbonPageGroupAddSignature.Enabled = True
        Else
            RibbonPageGroupAddSignature.Enabled = False
        End If
    End Sub

    Private Sub RibbonPageGroupReceiver_Enable()
        If ViewReceivers.SelectedRowsCount = 0 Then
            RibbonPageGroupReceiver.Enabled = False
        Else
            RibbonPageGroupReceiver.Enabled = True
        End If
    End Sub

    Private Sub DocumentButtons_Enable()
        If ViewDocuments.RowCount = 0 Then
            btnNewFile.Enabled = True
            btnDeleteFile.Enabled = False
        Else
            btnNewFile.Enabled = False
            btnDeleteFile.Enabled = True
        End If
    End Sub

    Private Sub SendEnvelopeButton_Enable()
        If ViewDocuments.RowCount > 0 And
            ViewReceivers.SelectedRowsCount > 0 Then
            btnSendEnvelope.Enabled = True
        Else
            btnSendEnvelope.Enabled = False
        End If
    End Sub

    Private Sub SetFormTitle(pTitle As String)
        Dim oFormTitle As String = State.DbConfig.ExternalProgramName + " - " + Resources.Envelope.Envelope_Editor
        If String.IsNullOrEmpty(pTitle) = False Then
            oFormTitle += " - " + Controller.Envelope.Title.Truncate(30)
        End If

        Me.Text = oFormTitle
    End Sub

    Private Sub frmEnvelopeEditor_FormClosing(sender As Object, e As FormClosingEventArgs) Handles MyBase.FormClosing
        If Controller.Envelope?.Status = EnvelopeStatus.EnvelopeCreated Then
            Controller.DeleteEnvelopeFromDisk(Controller.Envelope)
        End If
    End Sub

    Private Sub ViewReceivers_RowCountChanged(sender As Object, e As EventArgs) Handles ViewReceivers.RowCountChanged
        RibbonPageGroupReceiver_Enable()
        SendEnvelopeButton_Enable()
        RibbonPageGroupAddSignature_Enabled()
    End Sub

    Private Sub ViewDocuments_RowCountChanged(sender As Object, e As EventArgs) Handles ViewDocuments.RowCountChanged
        DocumentButtons_Enable()
        SendEnvelopeButton_Enable()
        RibbonPageGroupAddSignature_Enabled()
    End Sub

    Private Sub ViewReceivers_CellValueChanged(sender As Object, e As Views.Base.CellValueChangedEventArgs) Handles ViewReceivers.CellValueChanged
        If e.Column.FieldName = "Email" Then
            Dim oLastCellValue = ViewReceivers.GetRowCellValue(e.RowHandle, "Name")
            If oLastCellValue Is Nothing Then
                Dim oEmailAdress As String = DirectCast(e.Value, String)
                Dim oLastName As String = Controller.GetLastNameByEmailAdress(oEmailAdress)
                ViewReceivers.SetRowCellValue(e.RowHandle, ViewReceivers.Columns("Name"), oLastName)
            End If
        End If
    End Sub

    Private Sub ViewReceivers_ValidateRow(sender As Object, e As Views.Base.ValidateRowEventArgs) Handles ViewReceivers.ValidateRow

    End Sub
End Class