Add creates_multiple flag for master view

tailbone/templates/master/create.mako

@@ -1,7 +1,7 @@
 ## -*- coding: utf-8; -*-
 <%inherit file="/base.mako" />
 
-<%def name="title()">New ${model_title}</%def>
+<%def name="title()">New ${model_title_plural if master.creates_multiple else model_title}</%def>
 
 <%def name="extra_javascript()">
   ${parent.extra_javascript()}

tailbone/templates/master/index.mako

@@ -73,8 +73,12 @@
       <li>${h.link_to("Download results as CSV", url('{}.results_csv'.format(route_prefix)))}</li>
   % endif
   % if master.creatable and request.has_perm('{}.create'.format(permission_prefix)):
+      % if master.creates_multiple:
+          <li>${h.link_to("Create new {}".format(model_title_plural), url('{}.create'.format(route_prefix)))}</li>
+      % else:
           <li>${h.link_to("Create a new {}".format(model_title), url('{}.create'.format(route_prefix)))}</li>
       % endif
+  % endif
 </%def>
 
 <%def name="grid_tools()">

tailbone/templates/master/view.mako

@@ -56,8 +56,12 @@
       <li>${h.link_to("Delete this {}".format(model_title), action_url('delete', instance))}</li>
   % endif
   % if master.creatable and request.has_perm('{}.create'.format(permission_prefix)):
+      % if master.creates_multiple:
+          <li>${h.link_to("Create new {}".format(model_title_plural), url('{}.create'.format(route_prefix)))}</li>
+      % else:
           <li>${h.link_to("Create a new {}".format(model_title), url('{}.create'.format(route_prefix)))}</li>
       % endif
+  % endif
   % if master.cloneable and request.has_perm('{}.clone'.format(permission_prefix)):
       <li>${h.link_to("Clone this as new {}".format(model_title), url('{}.clone'.format(route_prefix), uuid=instance.uuid))}</li>
   % endif

tailbone/views/master.py

@@ -86,6 +86,7 @@ class MasterView(View):
 
     listing = False
     creating = False
+    creates_multiple = False
     viewing = False
     editing = False
     deleting = False