MDL-46470 bootstrapbase: support linkedwhenselected attribute for tabs

theme/bootstrapbase/less/bootstrap/navs.less

@@ -130,16 +130,18 @@
   }
 }
 // Active state, and it's :hover/:focus to override normal :hover/:focus
-.nav-tabs > .active > a,
-.nav-tabs > .active > a:hover,
-.nav-tabs > .active > a:focus {
-  color: @gray;
+.nav-tabs > .active > a {
   background-color: @bodyBackground;
   border: 1px solid #ddd;
   border-bottom-color: transparent;
-  cursor: default;
 }
 
+.nav-tabs > .active > a:not([href]),
+.nav-tabs > .active > a:not([href]):hover,
+.nav-tabs > .active > a:not([href]):focus {
+  color: @gray;
+  cursor: default;
+}
 
 // PILLS
 // -----

theme/bootstrapbase/renderers/core_renderer.php

@@ -209,7 +209,7 @@ class theme_bootstrapbase_core_renderer extends core_renderer {
      * @return string HTML fragment
      */
     protected function render_tabobject(tabobject $tab) {
-        if ($tab->selected or $tab->activated) {
+        if (($tab->selected and (!$tab->linkedwhenselected)) or $tab->activated) {
             return html_writer::tag('li', html_writer::tag('a', $tab->text), array('class' => 'active'));
         } else if ($tab->inactive) {
             return html_writer::tag('li', html_writer::tag('a', $tab->text), array('class' => 'disabled'));
@@ -220,7 +220,8 @@ class theme_bootstrapbase_core_renderer extends core_renderer {
             } else {
                 $link = html_writer::link($tab->link, $tab->text, array('title' => $tab->title));
             }
-            return html_writer::tag('li', $link);
+            $params = $tab->selected ? array('class' => 'active') : null;
+            return html_writer::tag('li', $link, $params);
         }
     }
 }