getNextStep

The getNextStep method should return the next step in the sequence, or it should return None to indicate that it has finished collecting input from the user. The following example, which is a modified version of the example in Procedure example, illustrates how inputs are collected from the user in a series of three steps rather than just one:

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def getFirstStep(self):

    self.cmd.setKeywordValuesToDefaults()
    self.plateWidthDB = None
    self.plateHeightDB = None
    db = PlateNameDB(self)
    self.step1 = AFXDialogStep(self, db)
    return self.step1

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def getNextStep(self, previousStep):

    if previousStep == self.step1: 
        if not self.plateWidthDB:
            self.plateWidthDB = PlateWidthDB(self)
        self.step2 = AFXDialogStep(self, self.plateWidthDB)
        return self.step2

    elif previousStep == self.step2:
        if not self.plateHeightDB:
            self.plateHeightDB = PlateHeightDB(self)
        self.step3 = AFXDialogStep(self, self.plateHeightDB)
        return self.step3

    else:
        return None