make tracnav friendly to wikinegotiator

[phpxcache]

see #1756

tracnav/tracnav.py

@@ -121 +121 @@
         #needed several times
         self.preview = req.args.get('preview', '')
         self.curpage = req.args.get('page', 'WikiStart')
+        self.curpagename = req.args.get('page_name')
+        self.curpagelang = req.args.get('page_langsuffix')
         self.modify = req.perm.has_permission('WIKI_MODIFY')
 
         # parse arguments
@@ -138 +140 @@
         Fetch the wiki page containing the toc, if available.
         """
         if self.preview and name == self.curpage:
-            return self.req.args.get('text', '')
+            return self.req.args.get('text', ''), name
+        elif self.curpagelang and WikiSystem(self.env).has_page(name + '.' + self.curpagelang):
+            name = name + '.' + self.curpagelang
+            return WikiPage(self.env, name).text, name
         elif WikiSystem(self.env).has_page(name):
-            return WikiPage(self.env, name).text
+            return WikiPage(self.env, name).text, name
         else:
-            return ''
+            return '', name
 
     def get_toc_entry(self, toc_text):
         """
@@ -223 +228 @@
 
         # add TOCs
         for name in (self.names or ["TOC"]):
-            toc = self.parse_toc(self.get_toc(name))
+            toc, name = self.get_toc(name)
+            toc = self.parse_toc(toc)
             if not toc:
                 toc = self.parse_toc(' * TOC "%s" is empty!' % name)
             found, filtered = self.filter_toc(toc)
@@ -243 +249 @@
         result = []
         for name, title, sub in toc:
             if sub == None:
-                if name == self.curpage:
+                if name == self.curpage or self.curpagename and name == self.curpagename:
                     found = True
                 result.append((name, title, None))
             else:
@@ -273 +279 @@
         for name, title, sub in toc:
             li_style = ' style="padding-left: %dem;"' % (depth + 1)
             if sub == None:
-                if name == self.curpage:
+                if name == self.curpage or self.curpagename and name == self.curpagename:
                     cls = ' class="active"'
                 else:
                     cls = ''

(i cannot find tracnav component)

[Alec Thomas]

If you can't find it, what makes you think it's on TracHacks, and why would I be able to find it?

[phpxcache]

as i saw it in ​http://trac-hacks.org/wiki/TracNav. but sorry for my careless