[extensions-web] paginator: Add ellipses and last page to clarify the paginator's behavior

[Jasper St. Pierre <jstpierre src gnome org>]

commit 60209689db01a437764efb1fc529425eb66ab501
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Dec 8 12:24:43 2011 -0500

    paginator: Add ellipses and last page to clarify the paginator's behavior

 sweettooth/extensions/templatetags/paginator.py |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/sweettooth/extensions/templatetags/paginator.py b/sweettooth/extensions/templatetags/paginator.py
index 8b4a100..f234a03 100644
--- a/sweettooth/extensions/templatetags/paginator.py
+++ b/sweettooth/extensions/templatetags/paginator.py
@@ -7,8 +7,9 @@ register = template.Library()
 @register.simple_tag
 def paginator(page_obj, context=3):
     number = page_obj.number
+    num_pages = page_obj.paginator.num_pages
     context_left = range(max(number-context, 2), number)
-    context_right = range(number+1, min(number+context+1, page_obj.paginator.num_pages+1))
+    context_right = range(number+1, min(number+context, num_pages))
 
     lines = []
 
@@ -26,6 +27,11 @@ def paginator(page_obj, context=3):
     if page_obj.has_next():
         for i in context_right:
             lines.append(u'<a class="next number" href="?page=%d">%d</a>' % (i, i))
+
+        if num_pages - (number+context) > 2:
+            lines.append(u'<span class="ellipses">...</span>"')
+
+        lines.append(u'<a class="number first" href="?page=%d">%d</a>' % (num_pages, num_pages))
         lines.append(u'<a class="number prev" href="?page=%d">Next</a>' % (number+1,))
 
     return mark_safe(u'\n'.join(lines))