Karmak23 · August 29, 2015 14:06 · Sep 26, 2014 · Sep 26, 2014
diff --git a/dynamic_form_attrs.py b/dynamic_form_attrs.py
@@ -1,3 +1,6 @@
+import types
+from django import forms
+
 class DynamicAttrsForm(forms.ModelForm):
 
     class Meta:

diff --git a/dynamic_form_attrs.py b/dynamic_form_attrs.py
@@ -0,0 +1,48 @@
+class DynamicAttrsForm(forms.ModelForm):
+
+    class Meta:
+        model = models.DynamicAttrs
+        fields = ['template', 'mood', 'text' ]
+
+
+    def __init__(self, *args, **kwargs):
+        super(DynamicAttrsForm, self).__init__(*args, **kwargs)
+
+        # This method generator must leave out of the for loop,
+        # and must return an indirected function, else bad things
+        # will happen. 
+        def clean_sample_wrapper(sstype):
+
+            def clean_sample_generic(self):
+                sample = self.cleaned_data[sstype]
+                if sample.mood != self.cleaned_data['mood']:
+                    raise forms.ValidationError(
+                        '%(sstype)s is not a sample of the selected mood!',
+                        params={'sstype': sstype})
+
+                return sample
+
+            return clean_sample_generic
+
+        for stid, stype in models.SAMPLE_TYPE_CHOICES.items():
+
+            stype = unicode(stype).lower()
+            sstype = str(stype)
+
+            queryset = models.Sample.objects.filter(
+                is_published=True, conv_status=1, type=stid
+                ).order_by('name')
+
+            if self.instance.pk:
+                self.fields[sstype] = forms.ModelChoiceField(
+                    label=stype, queryset=queryset,
+                    initial=self.instance.sample_set.get(
+                        sample__type=stid).sample.pk)
+
+            else:
+                self.fields[sstype] = forms.ModelChoiceField(
+                    label=stype, queryset=queryset)
+
+            setattr(self, 'clean_{0}'.format(stype),
+                    types.MethodType(clean_sample_wrapper(sstype), self))
+