Missed adding the new form

- Legacy-Id: 10055

ietf/mailtoken/forms.py

@@ -0,0 +1,31 @@
+from django import forms
+
+from ietf.mailtoken.models import MailToken
+
+class CcSelectForm(forms.Form):
+    expansions = dict()
+    cc_tokens = forms.MultipleChoiceField(
+                   label='Cc',
+                   choices=[],
+                   widget=forms.CheckboxSelectMultiple(attrs={'frob':'knob'}),
+                )
+
+    def __init__(self, mailtoken_slug, mailtoken_context, *args, **kwargs):
+        super(CcSelectForm,self).__init__(*args,**kwargs)
+        mailtoken = MailToken.objects.get(slug=mailtoken_slug) 
+        
+        for r in mailtoken.cc.all():
+            self.expansions[r.slug] = r.gather(**mailtoken_context)
+
+        non_empty_expansions = [x for x in self.expansions if self.expansions[x]]
+        self.fields['cc_tokens'].initial = non_empty_expansions
+        self.fields['cc_tokens'].choices = [(t,'%s: %s'%(t,", ".join(self.expansions[t]))) for t in non_empty_expansions]
+
+    def get_selected_addresses(self):
+        if self.is_valid():
+            addrs = []
+            for t in self.cleaned_data['cc_tokens']:
+                addrs.extend(self.expansions[t])
+            return addrs
+        else:
+            raise forms.ValidationError('Cannot get selected addresses from an invalid form.')