Ahhhh....that makes sense.
I was able to change the size of the text box in the widget file this way...
forms.TextInput(attrs={'size':'5'}),
Thanks again for all your help!! I learned a lot!
Mark
On Fri, Apr 11, 2014 at 9:03 AM, Lucas Klassmann
<[email protected]>wrote:
> Hi Mark,
>
> You must understand that each Widget in :
>
> widgets = (
> forms.TextInput(attrs=attrs),
> forms.TextInput(attrs=attrs),
> forms.TextInput(attrs=attrs),
> )
>
> Has a *render()* method that return html of widget. You must only
> concatenate each html of widget. You can use *format_output* like this:
>
> def format_output(self, rendered_widgets):
> widget_a = rendered_widgets[0]
> widget_b = rendered_widgets[1]
> widget_c = rendered_widgets[2]
>
> return "%s %s/%s" $(widget_a, widget_b, widget_c)
>
> I hope that solution above be that you want, but if you want customizing
> html/css/javascript of TextInput widget, you must override render() method
> of forms.TextInput widget.
>
> Cheers.
>
>
> On Fri, Apr 11, 2014 at 12:33 PM, Mark Phillips <
> [email protected]> wrote:
>
>> Man, are you good....;)
>>
>> It now works as expected!
>>
>> One last question....the form shows three text boxes next to each other.
>> How can I change the html to look like this:
>>
>> [ ] [ ] / [ ]
>>
>> {text_box} space {text_box} / {text_box}
>>
>> It has something to do with format_output, but I don't understand how to
>> return a string to represent this layout. Also, how to control the size of
>> the text boxes.
>>
>> Thanks again!!
>>
>> Mark
>>
>>
>> On Fri, Apr 11, 2014 at 8:05 AM, Lucas Klassmann <
>> [email protected]> wrote:
>>
>>> Hi Mark,
>>>
>>> Because *TextInput *is a classe inside *forms *module and python is
>>> *case-sensitive*, try this:
>>>
>>> * forms.TextInput(attrs=attrs)*
>>>
>>> Cheers.
>>>
>>>
>>> On Fri, Apr 11, 2014 at 11:59 AM, Mark Phillips <
>>> [email protected]> wrote:
>>>
>>>> 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].
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>>>>>>>> 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
>>>>>>>
>>>>>>> --
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>>>>>>> Groups "Django users" group.
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>>>>>>> send an email to [email protected].
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>>>>>>> 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.
>>>>>>>
>>>>>>
>>>>>> --
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>>>>>> 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.
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>>>>> an email to [email protected].
>>>>> To post to this group, send email to [email protected].
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>>>>> 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.
>>>>>
>>>>
>>>> --
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>>>> To view this discussion on the web visit
>>>> https://groups.google.com/d/msgid/django-users/CAEqej2NHjOXXaC5%3Dt8PXcR_4S-Kuu5hG0d%3Dy3Q32e3SbfnS-Jg%40mail.gmail.com<https://groups.google.com/d/msgid/django-users/CAEqej2NHjOXXaC5%3Dt8PXcR_4S-Kuu5hG0d%3Dy3Q32e3SbfnS-Jg%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
>>>
>>> --
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>>> .
>>>
>>> For more options, visit https://groups.google.com/d/optout.
>>>
>>
>> --
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>> .
>>
>> 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
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> .
>
> For more options, visit https://groups.google.com/d/optout.
>
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