Update URL when changing tab (#13900).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11765 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/common/_tabs.html.erb

@@ -6,7 +6,7 @@
     <li><%= link_to l(tab[:label]), { :tab => tab[:name] },
                                     :id => "tab-#{tab[:name]}",
                                     :class => (tab[:name] != selected_tab ? nil : 'selected'),
-                                    :onclick => "showTab('#{tab[:name]}'); this.blur(); return false;" %></li>
+                                    :onclick => "showTab('#{tab[:name]}', this.href); this.blur(); return false;" %></li>
   <% end -%>
   </ul>
   <div class="tabs-buttons" style="display:none;">

public/javascripts/application.js

@@ -290,11 +290,16 @@ function submit_query_form(id) {
   $('#'+id).submit();
 }
 
-function showTab(name) {
+function showTab(name, url) {
   $('div#content .tab-content').hide();
   $('div.tabs a').removeClass('selected');
   $('#tab-content-' + name).show();
   $('#tab-' + name).addClass('selected');
+  //replaces current URL with the "href" attribute of the current link
+  //(only triggered if supported by browser)
+  if ("replaceState" in window.history) {
+    window.history.replaceState(null, document.title, url);
+  }
   return false;
 }