Is 'readiness' really a tri-state flag?
Anyway you may want to test if obj.readiness exists, and is TRUE.
if obj.readiness and obj.readiness == TRUE:
HTH,
Tim
On Fri, May 30, 2014 at 7:57 AM, Hilde Rafaelsen <hildelauv...@gmail.com>
wrote:
> Hello,
>
> In my django admin page I want to hide some filelds from users if a
> special field value is set. I have tried different solutions to solve my
> problem but is stucked and hope someone can help me,
>
> If you look at my model I want to hide the field readinessDescription if
> readiness value is False (no), when the user log into admin page.
>
> In model.py:
> class RequestForChange (models.Model):
> rfc = models.AutoField (primary_key=True, help_text="This is the grey
> text")
> heading = models.CharField("Heading", max_length=50)
> readiness = models.NullBooleanField("Readiness", blank=True,
> null=True)
> readinessDescription = models.TextField("Description of readiness",
> max_length=250, blank=True, null=True)
>
>
> I found some hints on the web about using get_form from my
> RequestForChangeAdmin page, but it won't work because i get this error
> 'NoneType' object has no attribute 'readiness'
>
>
> Here is what I have in admin.py:
>
> class RequestForChangeAdmin(admin.ModelAdmin):
> formfield_overrides = {
> models.ManyToManyField: {'widget': CheckboxSelectMultiple},
> }
> list_display = ('rfc', 'heading', 'enviroment', 'status')
> search_fields = ('changeId',)
> list_filter = ('enviroment', 'acceptAT', 'status')
> date_hierarchy = 'criticalDate'
> inline = [RequestForChangeInline]
> def get_form(self, request, obj=None, **kwargs):
> form = super(RequestForChangeAdmin, self).get_form(request, obj, **kwargs)
> print obj
> if obj.readiness == True:
> self.exclude = ("readinessDescription", )
> form = super(RequestForChangeAdmin, self).get_form(request, obj, **kwargs)
> return form
>
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--
============================================
Timothy Cook
LinkedIn Profile:http://www.linkedin.com/in/timothywaynecook
MLHIM http://www.mlhim.org
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