Hi
unless u dont specify blank=True or null = True in modes for d
corresponding fields, django will throw an errror if u don fill up the field
On Sat, Mar 31, 2012 at 9:25 AM, Nikhil Verma <varma.nikhi...@gmail.com>wrote:
> Hi All
>
> How can i apply validation in admin on various fields when they are
> dependent on each other ?
>
> e.g. Let say in i have a Field A(BooleanField) and Field B (CharField)
> what i want to do is if in admin user select the Field A(checkbox) and does
> not enter anything in Field B
> and if he tries to save ,it should throw an error like a normal
> blank=False gives. So how can i do this kind of validation in admin .
>
> E.g Use Case
>
> I have a table having the following structure :-
>
> INTERVIEW_TYPES = (
>
> ('default', 'None'),
> ('Paired Visit','Paired Visit'),
> ('Time Series', 'Time Series'),
>
> ),
>
> class Interview(models.Model):
> ic_number = models.CharField(verbose_name ="Visit
> Configuration Number",max_length=20,unique=True,null =True,blank=True)
> ic_description = models.TextField(verbose_name ="Visit
> Configuration Description",null = True,blank=True)
> title = models.CharField(verbose_name ="Visit
> Configuration Title",max_length=80,unique=True)
> starting_section = models.ForeignKey(Section)
> interview_type = models.CharField(verbose_name = "Mapped
> Visit",choices=CHOICES.INTERVIEW_TYPES, max_length=80, default="Time
> Series")
> select_rating =
> models.CharField(choices=CHOICES.QUESTION_RATING, max_length=80,
> default="Select Rating")
> view_notes = models.CharField(choices=CHOICES.VIEW_NOTES,
> max_length=80, default="Display Notes")
> revisit = models.BooleanField(default=False)
> .....and so on ......
>
> class Meta:
> verbose_name = 'Visit Configuration'
> verbose_name_plural = 'Visit Configurations'
> # ordering = ('rpn_number',)
>
> def __unicode__(self):
> return self.title
>
> Its admin.py
>
> class InterviewAdmin(admin.ModelAdmin):
> list_display = ('id','title',
> 'starting_section','ic_number','show_prior_responses')
> raw_id_fields = ('starting_section',)
> admin.site.register(Interview, InterviewAdmin)
>
> In admin , If i select the checkbox of revisit and in the field
> interview_type(which will show a dropdown having choices None,Paired Visit
> , Time Series) if a User has selected None from that dropdown and then
> press save button it should throw me an error like a normal blank=False
> shows, saying "This field is required"
>
> How can i do this kind validation where fields are dependent on each other
> ?
>
> Please Ignore syntax error is any .
>
> Thanks
>
> --
> Regards
> Nikhil Verma
> +91-958-273-3156
>
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