Custom queryset on a ModelForm field
Hi,
I have a 'project' model
class Project(models.Model):
title = models.CharField(max_length=100)
links = models.ManyToManyField('Link', related_name='link')
and a 'link' model
class Link(models.Model):
label = models.CharField(max_length=50)
url = models.URLField(max_length=100)
project = models.ForeignKey(Project)
I want the user to edit his project properties. I'm using ModelForm class
and a UpdateView to put everything together. But I have a problems:
I want the form to only show those *link*s who are owned by the project in
the MultipleChoisesWidget, hence the ForeignKey in the Link model.
Any help on how to achieve this? Thanks!
P.S why isn't there a proper API documentation on django like doxygen? I
find the django documentation full of content but awful structure!
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Re: Custom queryset on a ModelForm field
On Tuesday, January 4, 2011 7:42:16 PM UTC, mrmclovin wrote:
>
> Hi,
>
> I have a 'project' model
>
> class Project(models.Model):
> title = models.CharField(max_length=100)
> links = models.ManyToManyField('Link', related_name='link')
>
> and a 'link' model
>
> class Link(models.Model):
> label = models.CharField(max_length=50)
> url = models.URLField(max_length=100)
> project = models.ForeignKey(Project)
>
> I want the user to edit his project properties. I'm using ModelForm class
> and a UpdateView to put everything together. But I have a problems:
>
> I want the form to only show those *link*s who are owned by the project in
> the MultipleChoisesWidget, hence the ForeignKey in the Link model.
>
> Any help on how to achieve this? Thanks!
>
> P.S why isn't there a proper API documentation on django like doxygen? I
> find the django documentation full of content but awful structure!
>
class ProjectForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(ProjectForm, self).__init__(*args, **kwargs)
if self.instance and self.instance.pk:
self.fields['links'].queryset =
Link.objects.filter(project=self.instance)
class Meta:
model = Project
--
DR.
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Re: Custom queryset on a ModelForm field
Thanks, that did the trick!
On Jan 4, 9:22 pm, Daniel Roseman wrote:
> On Tuesday, January 4, 2011 7:42:16 PM UTC, mrmclovin wrote:
>
> > Hi,
>
> > I have a 'project' model
>
> > class Project(models.Model):
> > title = models.CharField(max_length=100)
> > links = models.ManyToManyField('Link', related_name='link')
>
> > and a 'link' model
>
> > class Link(models.Model):
> > label = models.CharField(max_length=50)
> > url = models.URLField(max_length=100)
> > project = models.ForeignKey(Project)
>
> > I want the user to edit his project properties. I'm using ModelForm class
> > and a UpdateView to put everything together. But I have a problems:
>
> > I want the form to only show those *link*s who are owned by the project in
> > the MultipleChoisesWidget, hence the ForeignKey in the Link model.
>
> > Any help on how to achieve this? Thanks!
>
> > P.S why isn't there a proper API documentation on django like doxygen? I
> > find the django documentation full of content but awful structure!
>
> class ProjectForm(forms.ModelForm):
> def __init__(self, *args, **kwargs):
> super(ProjectForm, self).__init__(*args, **kwargs)
> if self.instance and self.instance.pk:
> self.fields['links'].queryset =
> Link.objects.filter(project=self.instance)
>
> class Meta:
> model = Project
>
> --
> DR.
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Re: Custom queryset on a ModelForm field
Re: "why isn't there a proper API documentation on django like
doxygen? I find the django documentation full of content but awful
structure! "
Have a look at:
http://docs.djangoproject.com/en/dev/internals/documentation/
I am curious as to what specific problems you have? I have read the
docs for many open source (and closed source) projects over the last
dozen years and rate Django's docs as some of the best I have seen.
In addition, bear in mind this is a open source project: if there are
demonstrably significant improvements you can make, I am sure they
will be appreciated!
On Jan 4, 9:42 pm, Simon W wrote:
> Hi,
>
> I have a 'project' model
>
> class Project(models.Model):
> title = models.CharField(max_length=100)
> links = models.ManyToManyField('Link', related_name='link')
>
> and a 'link' model
>
> class Link(models.Model):
> label = models.CharField(max_length=50)
> url = models.URLField(max_length=100)
> project = models.ForeignKey(Project)
>
> I want the user to edit his project properties. I'm using ModelForm class
> and a UpdateView to put everything together. But I have a problems:
>
> I want the form to only show those *link*s who are owned by the project in
> the MultipleChoisesWidget, hence the ForeignKey in the Link model.
>
> Any help on how to achieve this? Thanks!
>
> P.S why isn't there a proper API documentation on django like doxygen? I
> find the django documentation full of content but awful structure!
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