get deputy title / object name from its names

themis/datatypes/configure.zcml

@@ -18,4 +18,8 @@
         directory="profiles/default"
         provides="Products.GenericSetup.interfaces.EXTENSION"
         />
+
+    <adapter for="themis.datatypes.deputy.IDeputy"
+             provides="themis.datatypes.deputy.INameFromPersonNames"
+             factory="themis.datatypes.deputy.NameFromPersonNames" />
 </configure>

themis/datatypes/deputy.py

@@ -1,9 +1,13 @@
 from five import grok
 from zope import schema
+from zope.interface import implements
+from zope.component import adapts, provideAdapter
 
 from z3c.relationfield.schema import RelationChoice
 from plone.formwidget.contenttree import ObjPathSourceBinder
+from plone.dexterity.content import Item
 
+from plone.app.content.interfaces import INameFromTitle
 from plone.directives import form, dexterity
 
 from themis.datatypes.interfaces import MessageFactory as _
@@ -19,3 +23,28 @@ class IDeputy(form.Schema):
                 title=_(u"Political Group"),
                 source=ObjPathSourceBinder(object_provides=IPolGroup.__identifier__),
                 required=False)
+
+class INameFromPersonNames(INameFromTitle):
+    def title():
+        '''Return a processed title'''
+
+class NameFromPersonNames(object):
+    implements(INameFromPersonNames)
+
+    def __init__(self, context):
+        self.context = context
+
+    @property
+    def title(self):
+        return self.context.firstname + ' ' + self.context.lastname
+
+class Deputy(Item):
+    implements(IDeputy)
+
+    @property
+    def title(self):
+        return self.firstname + ' ' + self.lastname
+
+    def setTitle(self, value):
+        pass
+

themis/datatypes/profiles/default/types/themis.datatypes.deputy.xml

@@ -15,13 +15,14 @@
  <property name="schema">themis.datatypes.deputy.IDeputy</property> 
 
  <!-- class used for content items -->
- <property name="klass">plone.dexterity.content.Item</property>
+ <property name="klass">themis.datatypes.deputy.Deputy</property>
 
  <!-- add permission -->
  <property name="add_permission">cmf.AddPortalContent</property>
 
  <!-- enabled behaviors -->
  <property name="behaviors">
+   <element value="plone.app.content.interfaces.INameFromTitle" />
  </property>
 
  <!-- View information -->