Imports System.IO
Imports DevExpress.Xpf.Core
Imports DevExpress.Xpf.Grid.Printing
Imports DevExpress.XtraPrinting
Imports DevExpress.XtraReports.UI

Public Class tsXtraReport
    Public Shared Sub ExportarAPDF(Plantilla() As Byte, Datos As Object, FicheroPDF As String)
        Dim xr As DevExpress.XtraReports.UI.XtraReport
        Dim s As String = System.Text.Encoding.UTF8.GetString(Plantilla)
        Using sw As New StreamWriter(New MemoryStream())
            sw.Write(s)
            sw.Flush()

            xr = DevExpress.XtraReports.UI.XtraReport.FromStream(sw.BaseStream, True)
        End Using
        Try
            Dim pr As Global.DevExpress.XtraReports.Parameters.Parameter = (From p As DevExpress.XtraReports.Parameters.Parameter In xr.Parameters Where p.Name = "Fecha").First
            pr.Value = Now
            pr.Visible = False
        Catch ex As Exception

        End Try
        xr.DataSource = Datos
        xr.CreateDocument()
        xr.ExportToPdf(FicheroPDF)
    End Sub

    Public Shared Sub ExportarAxls(Plantilla() As Byte, Datos As Object, Ficheroxls As String)
        Dim xr As DevExpress.XtraReports.UI.XtraReport
        Dim s As String = System.Text.Encoding.UTF8.GetString(Plantilla)
        Using sw As New StreamWriter(New MemoryStream())
            sw.Write(s)
            sw.Flush()
            xr = DevExpress.XtraReports.UI.XtraReport.FromStream(sw.BaseStream, True)
        End Using
        Try
            Dim pr As Global.DevExpress.XtraReports.Parameters.Parameter = (From p As DevExpress.XtraReports.Parameters.Parameter In xr.Parameters Where p.Name = "Fecha").First
            pr.Value = Now
            pr.Visible = False
        Catch ex As Exception

        End Try
        xr.DataSource = Datos
        xr.CreateDocument()
        xr.ExportToXls(Ficheroxls)

    End Sub
    Public Shared Sub ExportarAxlsx(Plantilla() As Byte, Datos As Object, Ficheroxlsx As String)
        Dim xr As DevExpress.XtraReports.UI.XtraReport
        Dim s As String = System.Text.Encoding.UTF8.GetString(Plantilla)
        Using sw As New StreamWriter(New MemoryStream())
            sw.Write(s)
            sw.Flush()
            xr = DevExpress.XtraReports.UI.XtraReport.FromStream(sw.BaseStream, True)
        End Using
        Try
            Dim pr As Global.DevExpress.XtraReports.Parameters.Parameter = (From p As DevExpress.XtraReports.Parameters.Parameter In xr.Parameters Where p.Name = "Fecha").First
            pr.Value = Now
            pr.Visible = False
        Catch ex As Exception

        End Try
        xr.DataSource = Datos
        xr.CreateDocument()
        xr.ExportToXlsx(Ficheroxlsx)

    End Sub
    Public Shared Sub ExportarAcsv(Plantilla() As Byte, Datos As Object, Ficherocsv As String)
        Dim xr As DevExpress.XtraReports.UI.XtraReport
        Dim s As String = System.Text.Encoding.UTF8.GetString(Plantilla)
        Using sw As New StreamWriter(New MemoryStream())
            sw.Write(s)
            sw.Flush()
            xr = DevExpress.XtraReports.UI.XtraReport.FromStream(sw.BaseStream, True)
        End Using
        Try
            Dim pr As Global.DevExpress.XtraReports.Parameters.Parameter = (From p As DevExpress.XtraReports.Parameters.Parameter In xr.Parameters Where p.Name = "Fecha").First
            pr.Value = Now
            pr.Visible = False
        Catch ex As Exception

        End Try
        xr.DataSource = Datos
        xr.CreateDocument()
        xr.ExportToCsv(Ficherocsv)

    End Sub


    Public Shared Function ExportarAPDF(Plantilla() As Byte, Datos As Object) As MemoryStream
        Dim xr As DevExpress.XtraReports.UI.XtraReport
        Dim s As String = System.Text.Encoding.UTF8.GetString(Plantilla)
        Using sw As New StreamWriter(New MemoryStream())
            sw.Write(s)
            sw.Flush()

            xr = DevExpress.XtraReports.UI.XtraReport.FromStream(sw.BaseStream, True)
        End Using
        Try
            Dim pr As Global.DevExpress.XtraReports.Parameters.Parameter = (From p As DevExpress.XtraReports.Parameters.Parameter In xr.Parameters Where p.Name = "Fecha").First
            pr.Value = Now
            pr.Visible = False
        Catch ex As Exception

        End Try
        xr.DataSource = Datos
        xr.CreateDocument()
        Dim ms As New MemoryStream
        xr.ExportToPdf(ms)
        Return ms
    End Function
    Private Shared NumeroCopias As Integer


    Public Shared Sub ImprimirPlantilla(Plantilla As Byte(), ImpresoraPredeterminada As Boolean, Copias As Integer, Datos As Object, Optional Fecha As DateTime? = Nothing)
        Try
            If Fecha Is Nothing Then Fecha = Now
            Dim xr As New XtraReport
            xr.LoadLayoutFromXml(New MemoryStream(Plantilla), True)
            ImprimeInforme(xr, ImpresoraPredeterminada, Copias, Fecha, Datos)
        Catch ex As Exception
            DXMessageBox.Show(ex.Message, "Atención", MessageBoxButton.OK, MessageBoxImage.Error)
        End Try
    End Sub
    Public Shared Sub ImprimeInforme(xr As XtraReport, ImpresoraPredeterminada As Boolean, Copias As Integer, Datos As Object, Optional Fecha As DateTime? = Nothing)
        Try
            If Fecha Is Nothing Then Fecha = Now
            For Each pr In xr.Parameters
                pr.Visible = False
                If pr.Name = "Fecha" Then
                    pr.Value = Fecha
                End If
            Next
            xr.DataSource = Datos
            xr.CreateDocument(True)
            If ImpresoraPredeterminada Then
                If Copias < 2 Then
                    NumeroCopias = 1
                    xr.Print()
                Else
                    NumeroCopias = Copias
                    AddHandler xr.PrintingSystem.StartPrint, AddressOf xr_StartPring
                    xr.Print()
                End If
            Else
                PrintHelper.Print(xr)
                'xr.PrintDialog()
            End If
        Catch ex As Exception
            DXMessageBox.Show(ex.Message, "Error")
        End Try
    End Sub

    Private Shared Sub xr_StartPring(sender As Object, e As PrintDocumentEventArgs)
        e.PrintDocument.PrinterSettings.Copies = NumeroCopias
    End Sub


End Class