Globally, we need call "add" form for model in admin site, but with options
selected by user:
1. user checks items in "changelist" of objects RepoFile
2. select action "create job"
3. redirect user to standard "add" form for new object DeviceCronJob where
field download_files already checked by selected files.
May be there is another way to do it. Variants that i tried is below.
I have add form for appropriate model. This model contains multichoice
field:
*models.py:*
*class DeviceCronJob(models.Model): ... download_files =
models.TextField(max_length=250, blank=True, verbose_name=_("Files for
downloading"))*
*forms.py:*
class DeviceCronJobAddForm(forms.ModelForm):
download_files = forms.MultipleChoiceField(
widget=forms.CheckboxSelectMultiple(),
choices=[(file.hash, "%s [%s]" % (file.full_name,file.link))
for file in RepoFile.objects.filter()]
)
All work fine if i use standard admin "add".
I have other model RepoFile and customized Action: "Create download cronjob
in template". On selecting files and pushing this action i need to pass
selected files to DeviceCronJobAddForm.
i tried this:
*admin.py*
class DeviceCronJobAdmin(ModelAdmin):
model = DeviceCronJob
add_form = DeviceCronJobAddForm
list_display = ('cron_date', 'template', 'description',
'download_files', 'cron_user', 'cron_path', 'cron_mode', 'cdate')
...
def get_form(self, request, obj=None, **kwargs):
defaults = {}
setted = request.GET.get('setted','').split(",")
if obj is None: # if add new
if len(setted):
defaults.update({'form': self.add_form(setted=setted)})
else:
defaults.update({'form': self.add_form})
else: # if change view
defaults.update({
'form': self.add_form,
})
defaults.update(kwargs)
return super(DeviceCronJobAdmin, self).get_form(request, obj,
**defaults)
*models.py:*
class DeviceCronJobAddForm(forms.ModelForm):
...
def __init__(self, *args, **kwargs):
files = kwargs.pop('setted','')
# actions with files
super(DeviceCronJobAddForm, self).__init__(*args, **kwargs)
but it raises error: unknown setted in* super(DeviceCronJobAddForm,
self).__init__(*args, **kwargs)*
Also i tried pass selected files like GET arguments, but Form has not
access to request object
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