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Utilidades/Utilidades.vb
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218
Utilidades/Utilidades.vb
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Imports DevExpress.Xpf.LayoutControl
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Imports System.Data
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Imports System.Globalization
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Imports System.IO
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Imports System.Reflection
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Imports bdGestionAntifraude.db
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Namespace Utilidades
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Public Class Varias
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Public Shared Sub EstableceSoloLecturaRecursivo(Objeto As Object, SoloLectura As Boolean)
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For Each hijo In Objeto.Children
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If hijo.GetType Is GetType(Control) Then
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hijo.isEnabled = Not SoloLectura
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ElseIf hijo.GetType Is GetType(LayoutGroup) OrElse hijo.GetType Is GetType(Grid) Then
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EstableceSoloLecturaRecursivo(hijo, SoloLectura)
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End If
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Next
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End Sub
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Public Shared Function ByteArraytoBitmapImage(byteArray As [Byte]()) As BitmapImage
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Dim stream As New MemoryStream(byteArray)
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Dim bitmapImage As New BitmapImage()
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bitmapImage.StreamSource = stream
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Return bitmapImage
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End Function
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Public Shared Function StreamToBitmapImage(st As Stream) As BitmapImage
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Dim bitmapImage As New BitmapImage()
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bitmapImage.StreamSource = st
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Return bitmapImage
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End Function
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Public Shared Function PrevInstance() As Boolean
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Try
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If UBound(Diagnostics.Process.GetProcessesByName(System.Diagnostics.Process.GetCurrentProcess.ProcessName)) > 0 Then
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Return True
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Else
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Return False
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End If
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Catch ex As Exception
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Return False
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End Try
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End Function
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Public Shared Function GeneraExpresionBusqueda(TextoAbuscar As String, CamposBusquedaNumericos() As String, CamposBusquedaAlfabeticos() As String, CamposBusquedaAlfabeticosPorIgualdad() As String, Optional CamposBusquedaAlfabeticosPorComienzo() As String = Nothing, Optional TipoBusqueda As String = "and") As String
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Dim Expresion As String = ""
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Dim Palabras = TextoAbuscar.Trim.Split(" ").Where(Function(x) x.Trim <> "")
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If CamposBusquedaNumericos IsNot Nothing Then
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For Each palabra In Palabras
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Dim Numero = palabra.Replace(",", ".")
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If CamposBusquedaNumericos.Count > 0 AndAlso Double.TryParse(Numero, Nothing) Then
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For Each c In CamposBusquedaNumericos
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Expresion &= " OrElse " & c & "=" & Numero.TrimEnd(".")
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Next
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End If
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Next
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End If
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If CamposBusquedaAlfabeticos IsNot Nothing Then
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For Each c In CamposBusquedaAlfabeticos
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Dim ExpresionParcial As String = ""
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For Each palabra In Palabras
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palabra = palabra.Replace(Chr(34), """" & """")
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ExpresionParcial &= " " & TipoBusqueda & " " & c & ".Contains(" & Chr(34) & palabra & Chr(34) & ")"
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Next
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ExpresionParcial = "(" & ExpresionParcial.Substring(2 + TipoBusqueda.Length) & ")"
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Expresion &= " OrElse " & ExpresionParcial
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Next
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End If
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If CamposBusquedaAlfabeticosPorIgualdad IsNot Nothing Then
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Dim ExpresionParcial As String = ""
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For Each palabra In Palabras
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If CamposBusquedaAlfabeticosPorIgualdad.Count > 0 Then
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For Each c In CamposBusquedaAlfabeticosPorIgualdad
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ExpresionParcial &= " OrElse " & c & "=" & Chr(34) & palabra & Chr(34)
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Next
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End If
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Next
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ExpresionParcial = "(" & ExpresionParcial.Substring(4) & ")"
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Expresion &= " OrElse " & ExpresionParcial
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End If
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If CamposBusquedaAlfabeticosPorComienzo IsNot Nothing Then
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Dim ExpresionParcial As String = ""
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For Each palabra In Palabras
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If CamposBusquedaAlfabeticosPorComienzo.Count > 0 Then
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For Each c In CamposBusquedaAlfabeticosPorComienzo
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ExpresionParcial &= " " & TipoBusqueda & " " & c & ".StartsWith(" & Chr(34) & palabra & Chr(34) & ")"
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Next
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End If
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Next
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ExpresionParcial = "(" & ExpresionParcial.Substring(1 + TipoBusqueda.Length) & ")"
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Expresion &= " OrElse " & ExpresionParcial
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End If
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If Expresion <> "" Then
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Return Expresion.Substring(8)
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Else
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Return ""
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End If
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End Function
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Public Shared Function GeneraExpresionBusqueda(TextoAbuscar As String, CamposBusquedaIntegers() As String, CamposBusquedaDoubles() As String, CamposBusquedaAlfabeticos() As String, CamposBusquedaAlfabeticosPorIgualdad() As String, ByRef Parametros() As Object, Optional CamposBusquedaAlfabeticosPorComienzo() As String = Nothing, Optional TipoBusqueda As String = "and") As String
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Dim Expresion As String = ""
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Dim Palabras = TextoAbuscar.Trim.Split(" ").Where(Function(x) x.Trim <> "")
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Dim ContNum As Integer = 0
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If CamposBusquedaIntegers IsNot Nothing Then
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For Each palabra In Palabras
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Dim Numero = palabra.Replace(",", ".")
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If Numero.Contains(".") = False AndAlso CamposBusquedaIntegers.Count > 0 AndAlso Integer.TryParse(Numero, Nothing) Then
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For Each c In CamposBusquedaIntegers
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Expresion &= " orelse " & c & "=@" & ContNum.ToString
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ReDim Preserve Parametros(ContNum)
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Parametros(ContNum) = Integer.Parse(Numero, CultureInfo.InvariantCulture)
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ContNum += 1
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Next
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End If
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Next
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End If
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If CamposBusquedaDoubles IsNot Nothing Then
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For Each palabra In Palabras
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Dim Numero = palabra.Replace(",", ".")
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If CamposBusquedaDoubles.Count > 0 AndAlso Double.TryParse(Numero, Nothing) Then
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For Each c In CamposBusquedaDoubles
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Expresion &= " orelse " & c & "=@" & ContNum.ToString
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ReDim Preserve Parametros(ContNum)
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Parametros(ContNum) = Double.Parse(Numero, CultureInfo.InvariantCulture)
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ContNum += 1
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Next
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End If
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Next
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End If
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If CamposBusquedaAlfabeticos IsNot Nothing Then
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For Each c In CamposBusquedaAlfabeticos
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Dim ExpresionParcial As String = ""
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For Each palabra In Palabras
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palabra = palabra.Replace(Chr(34), "")
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ExpresionParcial &= " " & TipoBusqueda & " " & c & ".Contains(" & "@" & ContNum.ToString & ")"
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ReDim Preserve Parametros(ContNum)
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Parametros(ContNum) = palabra
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ContNum += 1
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Next
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ExpresionParcial = "(" & ExpresionParcial.Substring(2 + TipoBusqueda.Length) & ")"
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Expresion &= " orelse " & ExpresionParcial
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Next
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End If
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If CamposBusquedaAlfabeticosPorIgualdad IsNot Nothing Then
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Dim ExpresionParcial As String = ""
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For Each palabra In Palabras
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If CamposBusquedaAlfabeticosPorIgualdad.Count > 0 Then
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For Each c In CamposBusquedaAlfabeticosPorIgualdad
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ExpresionParcial &= " orelse " & c & "=" & "@" & ContNum.ToString
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ReDim Preserve Parametros(ContNum)
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Parametros(ContNum) = palabra
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ContNum += 1
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Next
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End If
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Next
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ExpresionParcial = "(" & ExpresionParcial.Substring(4) & ")"
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Expresion &= " orelse " & ExpresionParcial
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End If
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If CamposBusquedaAlfabeticosPorComienzo IsNot Nothing Then
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Dim ExpresionParcial As String = ""
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For Each palabra In Palabras
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If CamposBusquedaAlfabeticosPorComienzo.Count > 0 Then
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For Each c In CamposBusquedaAlfabeticosPorComienzo
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ExpresionParcial &= " " & TipoBusqueda & " " & c & ".StartsWith(" & "@" & ContNum.ToString & ")"
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ReDim Preserve Parametros(ContNum)
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Parametros(ContNum) = palabra
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ContNum += 1
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Next
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End If
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Next
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ExpresionParcial = "(" & ExpresionParcial.Substring(1 + TipoBusqueda.Length) & ")"
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Expresion &= " orelse " & ExpresionParcial
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End If
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If Expresion <> "" Then
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Return Expresion.Substring(8)
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Else
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Return ""
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End If
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End Function
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Public Shared Sub IEnumerableAExcel(Of t)(Datos As IEnumerable(Of t), Fichero As String)
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Dim wb As New ClosedXML.Excel.XLWorkbook
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Dim dt = tsUtilidades.Extensiones.IEnumerableExtensions.CopyToDataTable(Of t)(Datos)
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wb.AddWorksheet(dt)
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wb.SaveAs(Fichero)
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End Sub
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Public Shared Sub IEnumerableAExcel(Of t)(Datos As List(Of t), Fichero As String)
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Dim wb As New ClosedXML.Excel.XLWorkbook
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Dim dt = tsUtilidades.Extensiones.IEnumerableExtensions.CopyToDataTable(Of t)(Datos)
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wb.AddWorksheet(dt)
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wb.SaveAs(Fichero)
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End Sub
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Public Shared Function IEnumerableAExcel(Of t)(Datos As List(Of t)) As Byte()
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Dim wb As New ClosedXML.Excel.XLWorkbook
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Dim dt = tsUtilidades.Extensiones.IEnumerableExtensions.CopyToDataTable(Of t)(Datos)
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wb.AddWorksheet(dt)
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Dim ms As New MemoryStream
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wb.SaveAs(ms)
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ms.Position = 0
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Return ms.ToArray
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End Function
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Public Shared Function ListaIEnumerableAExcel(Of t)(Datos As List(Of List(Of t)), NombreTablas As List(Of String)) As Byte()
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Dim wb As New ClosedXML.Excel.XLWorkbook
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For i = 0 To Datos.Count - 1
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Dim tabla = Datos(i)
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Dim dt = tsUtilidades.Extensiones.IEnumerableExtensions.CopyToDataTable(Of t)(tabla)
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wb.AddWorksheet(dt, NombreTablas(i))
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Next
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Dim ms As New MemoryStream
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wb.SaveAs(ms)
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ms.Position = 0
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Return ms.ToArray
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End Function
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End Class
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End Namespace
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