Allow to add on One2Many in editable list view

tryton/gui/window/view_form/view/list_gtk/editabletree.py

@@ -79,6 +79,9 @@ class EditableTreeView(gtk.TreeView):
         if focus_column and (focus_column._type in ('many2one','many2many')) \
                 and self.screen.form:
             self.screen.form.message_state(_('Relation Field: F1: New F2: Open/Search'))
+        elif focus_column and (focus_column._type in ('one2many')) \
+                and self.screen.form:
+            self.screen.form.message_state(_('Relation Field: F1: New'))
         elif focus_column and (focus_column._type in ('boolean')):
             start_editing = False
         elif self.screen.form:

tryton/gui/window/view_form/view/list_gtk/parser.py

@@ -457,6 +457,25 @@ class O2M(Char):
     def value_from_text(self, model, text):
         raise UnsettableColumn('Can not set column of type o2m')
 
+    def open_remote(self, model, create=True, changed=False, text=None):
+        if not create:
+            raise NotImplementedError
+        modelfield = model.mgroup.mfields[self.field_name]
+        relation = modelfield.attrs['relation']
+        context = modelfield.context_get(model)
+
+        dia = O2MDialog(relation, parent=model, attrs=modelfield.attrs,
+                default_get_ctx=context, window=self.window)
+        res = True
+        while res:
+            res, value = dia.run()
+            if res:
+                model.value[self.field_name].model_add(value)
+                value.signal('record-changed', value.parent)
+                dia.new()
+        dia.destroy()
+        return False, False
+
 
 class M2M(Char):