if __name__ == '__main__':
    app = QApplication(sys.argv)
    matteo = God()
    matteo.runApp()
    sys.exit(app.exec())

def runApp(self):
    self.painter = Painter()
    self.dbManager = DBManager()
    self.userInput = UserInput()
    self.excelFile = ExcelFile()
    self.painter.connectToClasses(self, ["god","db","ui"])
    self.excelFile.connectToClasses(self, ["god",])
    self.painter.drawMainWindow()
    self.loadConf()
    self.openDB(True)
    if self.dbManager.error==None:
        self.painter.drawSearchWidget()
    else:
        print("Closed.")

def checkError(self, classType):
    if classType=="db":
        error = self.dbManager.error
    elif classType=="excel":
        error = self.excelFile.error
    if error!=None:
        self.painter.drawError(classType)
        self.userInput.error = self.painter.error.clickedButton()
        self.userInput.error = self.painter.error.buttonRole(self.userInput.error)
        if (self.userInput.error==1):
            self.painter.mainWindow.close()
            return 0
        return 1

 def drawError(self,  classType):
    if (classType=="db"):
        title = "Database"
        error = self.dbManager.error
        otherButton = "Browse"
    elif (classType=="excel"):
        title = "Excel file"
        error = self.excelFile.error
    try:
        self.setErrorText(False, error)
        if error[0]:
            if self.error.icon()!=3:
                self.error.setIcon(3)
            buttons = self.error.buttons()
            for button in buttons:
                if button.text()!="Quit":
                    button.hide()
                    button.deleteLater()
    except AttributeError:
        self.error = QMessageBox()
        self.setErrorText(True, error)
        if (error[0]):
            self.error.setIcon(3)
        else:
            self.error.setIcon(2)
            self.error.addButton(otherButton, self.error.AcceptRole)
        self.error.addButton("Quit",  self.error.RejectRole)
    self.error.setWindowTitle(title)
    self.error.exec()