Lucas, Thanks for your comment.
I tried your suggestion, and got this error 'module' object has no attribute 'textInput' referring to the forms.textInput(attrs=attrs) in the widget class. I am only trying to replace three out of 16 fields in my Inventory model with the custom widgets. I think your solution would require me to enumerate all the other fields as well? I found this on the Internet - http://collingrady.wordpress.com/2008/07/24/useful-form-tricks-in-django/, which gave me the idea for how I wrote the form. I could be totally off base, so this is a great learning experience for me! Thanks for your help! Mark On Fri, Apr 11, 2014 at 7:37 AM, Lucas Klassmann <[email protected]>wrote: > Hi! > > I will test you code, but for now, try rewrite the form class, this way: > > class MeasurementForm(forms.ModelForm): > width = forms.DecimalField(widget=MeasurementWidget()) > height = forms.DecimalField(widget=MeasurementWidget()) > length = forms.DecimalField(widget=MeasurementWidget()) > > class Meta: > model = Inventory > > Cheers. > > > On Fri, Apr 11, 2014 at 11:25 AM, Mark Phillips < > [email protected]> wrote: > >> I looked at the MultiWidget and tried to implement following a couple of >> examples, but I have run into a problem. I get this error when I try to >> open the admin form - type object 'MeasurementWidget' has no attribute >> 'attrs' >> >> widgets.py >> class MeasurementWidget(forms.MultiWidget): >> def __init__(self, attrs=None): >> widgets = ( >> forms.textInput(attrs=attrs), >> forms.textInput(attrs=attrs), >> forms.textInput(attrs=attrs), >> ) >> super(MeasurementWidget, self).__init__(widgets, attrs) >> >> def decompress(self, value): >> if value: >> frac = Fraction(value) >> num = frac.numerator >> denom = frac.denominator >> whole = num/denom >> if whole == 0: >> whole = '' >> numerator = num - (num/denom)*denom >> return [whole, numerator, denom] >> return ['', '', ''] >> >> def format_output(self, rendered_widgets): >> return u''.join(rendered_widgets) >> >> def value_from_datadict(self, data, files, name): >> valuelist = [widget.value_from_datadict(data, files, name + '_%s' >> % i) for i, widget in enumerate(self.widgets)] >> try: >> if valuelist[0] == '': >> valuelist[0] = 0 >> numerator = int(valuelist[0]) * int(valuelist[2]) + >> int(valuelist[1]) >> denominator = int(valuelist[2]) >> return Decimal(float(Fraction(numerator, denominator))) >> except ValueError: >> return "" >> >> models.py >> class Inventory(models.Model): >> location = models.ForeignKey(Location) >> room = models.ForeignKey(Room, blank=True, null=True) >> condition = models.ForeignKey(Condition) >> status = models.ForeignKey(Status) >> category = models.ForeignKey(Category) >> length = models.DecimalField(max_digits=5, decimal_places=3, >> default=0) >> width = models.DecimalField(max_digits=5, decimal_places=3, default=0) >> height = models.DecimalField(max_digits=5, decimal_places=3, >> default=0) >> and other fields..... >> >> admin.py >> class MeasurementForm(forms.ModelForm): >> def __init__(self, *args, **kwargs): >> super(MeasurementForm, self).__init__(*args, **kwargs) >> self.fields['width'].widget = MeasurementWidget >> self.fields['height'].widget = MeasurementWidget >> self.fields['length'].widget = MeasurementWidget >> >> class Meta: >> model = Inventory >> >> class InventoryAdmin(admin.ModelAdmin): >> list_display = ('id','location', 'room', 'category', 'description', >> 'condition', 'length', 'width', 'height', 'status', 'sale_price', >> 'selling_costs', 'debt') >> list_filter = ['category'] >> search_fields = ['description'] >> form = MeasurementForm >> inlines = [NoteInline, ImageInline, EstimateInline] >> >> admin.site.register(Inventory, InventoryAdmin) >> >> I am really lost here. Does anyone have an easier way to override the >> widgets on the admin form? >> >> Thanks, >> >> Mark >> >> >> On Thu, Apr 10, 2014 at 7:09 PM, Lucas Klassmann < >> [email protected]> wrote: >> >>> Hi! >>> >>> I never used this, but i found here and can be useful: >>> >>> >>> https://docs.djangoproject.com/en/dev/ref/forms/widgets/#django.forms.MultiWidget >>> >>> Cheers. >>> >>> >>> On Thu, Apr 10, 2014 at 10:56 PM, Mark Phillips < >>> [email protected]> wrote: >>> >>>> I hope I am using the right terminology.... >>>> >>>> I have a Decimal field in a model called 'width'. In the admin screen, >>>> I would like to display this field as three text boxes like this: >>>> >>>> width: [] []/[] >>>> >>>> so I can enter 2 1/8 for the width, and then have the code convert that >>>> to 2.125 as a Decimal field and store that Decimal field in the database. >>>> >>>> How would I go about doing this? >>>> >>>> Thanks, >>>> >>>> Mark >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Django users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at http://groups.google.com/group/django-users. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/django-users/CAEqej2MkiPYfjO4afqyWVr587AL5UczhuzJCLhgxeqjda8%2BcDw%40mail.gmail.com<https://groups.google.com/d/msgid/django-users/CAEqej2MkiPYfjO4afqyWVr587AL5UczhuzJCLhgxeqjda8%2BcDw%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> >>> >>> -- >>> Lucas Klassmann >>> Desenvolvedor de Software >>> >>> Email: [email protected] >>> Web site: http://www.lucasklassmann.com >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Django users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/django-users. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/django-users/CAOz50pLMMRv8-boG1C0Rb7vriVnpO-G953Lbh0zoRhjG6-zsLQ%40mail.gmail.com<https://groups.google.com/d/msgid/django-users/CAOz50pLMMRv8-boG1C0Rb7vriVnpO-G953Lbh0zoRhjG6-zsLQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/django-users. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/CAEqej2Onin-ONGCxnC6WLpO9cL66UoENiyopp2aPns0A%3D2JkWw%40mail.gmail.com<https://groups.google.com/d/msgid/django-users/CAEqej2Onin-ONGCxnC6WLpO9cL66UoENiyopp2aPns0A%3D2JkWw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Lucas Klassmann > Desenvolvedor de Software > > Email: [email protected] > Web site: http://www.lucasklassmann.com > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/CAOz50pK7Qu7YEB%3D3%2ByLRr%2Boh6nzST2o9bc0k3nt33%3DJ74-wmqA%40mail.gmail.com<https://groups.google.com/d/msgid/django-users/CAOz50pK7Qu7YEB%3D3%2ByLRr%2Boh6nzST2o9bc0k3nt33%3DJ74-wmqA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Django users" group. 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