def vistaPrevia(self):
if not self.documento.isEmpty():
impresion = QPrinter(QPrinter.HighResolution)
vista = QPrintPreviewDialog(impresion, self)
vista.setWindowTitle("предварительный просмотр")
vista.setWindowFlags(Qt.Window)
vista.resize(800, 600)
exportarPDF = vista.findChildren(QToolBar)
exportarPDF[0].addAction(QIcon("exportarPDF.png"), "Экспорт в PDF", self.exportarPDF)
vista.paintRequested.connect(self.vistaPreviaImpresion)
vista.exec_()
else:
QMessageBox.critical(self, "предварительный просмотр", "Нет данных для отображения. ",
QMessageBox.Ok)
def vistaPrevia(self):
if not self.documento.isEmpty():
impresion = QPrinter(QPrinter.HighResolution)
vista = QPrintPreviewDialog(impresion, self)
vista.setWindowTitle("Vista previa")
vista.setWindowFlags(Qt.Window)
vista.resize(800, 600)
exportarPDF = vista.findChildren(QToolBar)
exportarPDF[0].addAction(QIcon("exportarPDF.png"),
"Exportar a PDF", self.exportarPDF)
vista.paintRequested.connect(self.vistaPreviaImpresion)
vista.exec_()
else:
QMessageBox.critical(self, "Vista previa",
"No hay datos para visualizar. ",
QMessageBox.Ok)
def view(self):
#Vista previa
if not self.document.isEmpty():
impres = QPrinter(QPrinter.HighResolution)
var_view = QPrintPreviewDialog(impres, self)
var_view.setWindowTitle("Vista previa")
var_view.setWindowFlags(Qt.Window)
var_view.resize(800, 600)
exportarPDF = var_view.findChildren(QToolBar)
exportarPDF[0].addAction(QIcon("logo.png"), "Exportar a PDF", self.pdf_export)
var_view.paintRequested.connect(self.visualizar)
var_view.exec_()
else:
QMessageBox.critical(self, "Atención", "No hay datos en la tabla ",
QMessageBox.Ok)
