Improved ChainedForm.

dav_events/forms.py

@@ -76,6 +76,7 @@ class SetPasswordForm(forms.Form):
 
 
 class ChainedForm(forms.Form):
+    _initial_form_name = None
     _next_form_name = None
 
     def __init__(self, *args, **kwargs):
@@ -126,21 +127,33 @@ class ChainedForm(forms.Form):
 
     @property
     def form_title(self):
-        if hasattr(self, '_form_title'):
-            return self._form_title
-        n = self.form_name
-        if n.endswith('Form'):
-            n = n[:-len('Form')]
-        return n
+        return self.__class__.get_form_title()
+
+    @property
+    def initial_form_name(self):
+        return self.__class__.get_initial_form_name()
 
     @property
     def next_form_name(self):
-        return self._next_form_name
+        return self.__class__.get_next_form_name()
 
     @classmethod
     def get_form_name(cls):
         return cls.__name__
 
+    @classmethod
+    def get_form_title(cls):
+        if hasattr(cls, '_form_title'):
+            return cls._form_title
+        n = cls.get_form_name()
+        if n.endswith('Form'):
+            n = n[:-len('Form')]
+        return n
+
+    @classmethod
+    def get_initial_form_name(cls):
+        return cls._initial_form_name or cls.__name__
+
     @classmethod
     def get_next_form_name(cls):
         return cls._next_form_name
@@ -172,6 +185,7 @@ class ChainedForm(forms.Form):
 
 class EventCreateForm(ChainedForm):
     _model = models.Event
+    _initial_form_name = 'ModeForm'
 
 
 class ModeForm(EventCreateForm):