Merge pull request #3064 from minrk/header-anchors

add anchors to heading cells

IPython/frontend/html/notebook/static/js/notebookmain.js

@@ -82,6 +82,11 @@ $(document).ready(function () {
     IPython.layout_manager.do_resize();
     $([IPython.events]).on('notebook_loaded.Notebook', function () {
         IPython.layout_manager.do_resize();
+        var hash = document.location.hash;
+        if (hash) {
+            document.location.hash = '';
+            document.location.hash = hash;
+        }
     });
     IPython.notebook.load_notebook($('body').data('notebookId'));
 

IPython/frontend/html/notebook/static/js/textcell.js

@@ -516,7 +516,16 @@ var IPython = (function (IPython) {
     HeadingCell.prototype.set_rendered = function (text) {
         var r = this.element.find("div.text_cell_render");
         r.empty();
-        r.append($('<h'+this.level+'/>').html(text));
+        r.append(
+            $('<h'+this.level+'/>')
+            .append(
+            $('<a/>')
+                .addClass('heading-anchor')
+                .attr('href', '#' + text)
+                .attr('name', text)
+                .html(text)
+            )
+        );
     };
 
 

IPython/frontend/html/notebook/static/less/notebook.less

@@ -468,3 +468,8 @@ p {
 margin-bottom:0;
 
 }
+
+a.heading-anchor:link {
+  text-decoration: none;
+  color: inherit;
+}