Expose to revision.ezt a count of the total number of changed paths.

* lib/viewvc.py
  (view_revision): Add new 'num_changes' data dictionary item.

* templates/revision.ezt
  Expose new 'num_changes' item as a header on this page, and tweak
  the way the more/first changes links appear.

* docs/template-authoring-guide.html
  Document num_changes dictionary item.


git-svn-id: http://viewvc.tigris.org/svn/viewvc/trunk@2067 8cb11bc2-c004-0410-86c3-e597b4017df7

docs/template-authoring-guide.html

@@ -2073,6 +2073,11 @@ td {
   <td>String</td>
   <td>URL for the current view but with <tt>limit_changes</tt> disabled.</td>
 </tr>
+<tr class="varlevel1">
+  <td class="varname">num_changes</td>
+  <td>String</td>
+  <td>Number of paths changed in this revision.</td>
+</tr>
 <tr class="varlevel1">
   <td class="varname">next_href</td>
   <td>String</td>

lib/viewvc.py

@@ -3214,6 +3214,7 @@ def view_revision(request):
   more_changes_href = None
   first_changes = None
   first_changes_href = None
+  num_changes = len(changes)
   if limit_changes and len(changes) > limit_changes:
     more_changes = len(changes) - limit_changes
     params = query_dict.copy()
@@ -3316,6 +3317,7 @@ def view_revision(request):
     'changes' : changes,
     'prev_href' : prev_rev_href,
     'next_href' : next_rev_href,
+    'num_changes' : num_changes,
     'limit_changes': limit_changes,
     'more_changes': more_changes,
     'more_changes_href': more_changes_href,

templates/revision.ezt

@@ -28,6 +28,11 @@
     <td>[if-any date][date][else]<em>(unknown date)</em>[end]
         [if-any ago]<em>([ago] ago)</em>[end]</td>
   </tr>
+  <tr align="left">
+    <th>Changed paths:</th>
+    <td><strong>[num_changes]</strong>
+        [if-any more_changes](showing only [limit_changes]; <a href="[more_changes_href]">show all</a>)[end][if-any first_changes](<a href="[first_changes_href]">show only first [first_changes]</a>)[end]</td>
+  </tr>
   <tr align="left">
     <th>Log Message:</th>
     <td><pre class="vc_log">[log]</pre></td>
@@ -39,17 +44,6 @@
 
 <p><strong>Changed paths:</strong></p>
 
-[if-any more_changes]
-  <div>
-    Only [limit_changes] changes shown,
-    <a href="[more_changes_href]">display [more_changes] more changes...</a>
-  </div>
-[end]
-
-[if-any first_changes]
-  <div><a href="[first_changes_href]">Show only first [first_changes] changes...</div>
-[end]
-
 <table cellspacing="1" cellpadding="2">
   <thead>
   <tr align="left">
@@ -75,6 +69,11 @@
     <td colspan="5">No changed paths.</td>
     </tr>
   [end]
+  [if-any more_changes]
+    <tr>
+    <td colspan="5">[[]<a href="[more_changes_href]">...</a>]</td>
+    </tr>
+  [end]
   </tbody>
 </table>