add choice of kernel for new notebook

IPython/html/static/notebook/js/kernelselector.js

@@ -33,6 +33,9 b' define(['
     KernelSelector.prototype._got_kernelspecs = function(data) {
         this.kernelspecs = data.kernelspecs;
         var change_kernel_submenu = $("#menu-change-kernel-submenu");
+        var new_notebook_submenu = $("#menu-new-notebook-submenu");
+        
+        // Create the change kernel submenu
         var keys = Object.keys(data.kernelspecs).sort(function (a, b) {
             // sort by display_name
             var da = data.kernelspecs[a].spec.display_name;
@@ -53,6 +56,41 b' define(['
                 .text(ks.spec.display_name));
             change_kernel_submenu.append(ks_submenu_entry);
         }
+        
+        // Create the new notebook submenu
+        /** This code is supposed to put the current kernel at the top of the submenu
+         *  but at the time _got_kernelspecs gets called, this.notebook.kernel is null
+         *
+         * var current_kernel_name = this.notebook.kernel.name
+         * var keys = Object.keys(data.kernelspecs).sort(function (a, b) {
+         *   // sort by display_name, putting the current kernel on top
+         *   var da = data.kernelspecs[a].spec.display_name;
+         *   var db = data.kernelspecs[b].spec.display_name;
+         *   if (da === db) {
+         *       return 0;
+         *   } else if (db == current_kernel_name || da > db) {
+         *       return 1;
+         *   } else {
+         *       return -1;
+         *   }
+         * });
+         */
+
+        /** Uncomment to add header the the new notebook submenu
+         *
+         * new_notebook_submenu.append($("<li>").attr("id","notebook-kernels")
+         *                                    .attr("class","dropdown-header")
+         *                                    .attr("role","presentation")
+         *                                    .text("Notebook"))
+         */
+        for (var i = 0; i < keys.length; i++) {
+            var ks = this.kernelspecs[keys[i]];
+            var ks_submenu_entry = $("<li>").attr("id", "new-notebook-submenu-"+ks.name).append($('<a>')
+                .attr('href', '#')
+                .click($.proxy(this.new_notebook, this, ks.name))
+                .text(ks.spec.display_name));
+            new_notebook_submenu.append(ks_submenu_entry);
+        }
     };
     
     KernelSelector.prototype._spec_changed = function (event, ks) {
@@ -122,6 +160,32 b' define(['
         this.events.trigger('spec_changed.Kernel', ks);
     };
 
+    KernelSelector.prototype.new_notebook = function (kernel_name) {
+        
+        var w = window.open();
+        // Create a new notebook in the same path as the current
+        // notebook's path.
+        var that = this;
+        var parent = utils.url_path_split(that.notebook.notebook_path)[0];
+        that.notebook.contents.new_untitled(parent, {type: "notebook"}).then(
+            function (data) {
+                var url = utils.url_join_encode(
+                    that.notebook.base_url, 'notebooks', data.path
+                );
+                url += "?kernel_name=" + kernel_name;
+                w.location = url;
+            },
+            function(error) {
+                w.close();
+                dialog.modal({
+                    title : 'Creating Notebook Failed',
+                    body : "The error was: " + error.message,
+                    buttons : {'OK' : {'class' : 'btn-primary'}}
+                });
+            }
+        );
+    };
+
     KernelSelector.prototype.lock_switch = function() {
         // should set a flag and display warning+reload if user want to
         // re-change kernel. As UI discussion never finish

IPython/html/static/notebook/js/menubar.js

@@ -98,7 +98,13 b' define(['
          *  File
          */
         var that = this;
-        this.element.find('#new_notebook').click(function () {
+        /*var new_buttons = new newnotebook.NewNotebookWidget("#new-buttons",
+            $.extend(
+                {contents: contents},
+                common_options
+            )
+        );*/
+        /*this.element.find('#new_notebook').click(function () {
             var w = window.open();
             // Create a new notebook in the same path as the current
             // notebook's path.
@@ -120,7 +126,7 b' define(['
                         });
                     }
                 );
-        });
+        });*/
         this.element.find('#open_notebook').click(function () {
             var parent = utils.url_path_split(that.notebook.notebook_path)[0];
             window.open(utils.url_join_encode(that.base_url, 'tree', parent));

IPython/html/templates/notebook.html

@@ -67,9 +67,10 b' class="notebook_app"'
               <ul class="nav navbar-nav">
                 <li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">File</a>
                     <ul id="file_menu" class="dropdown-menu">
-                        <li id="new_notebook"
-                            title="Make a new notebook (Opens a new window)">
-                            <a href="#">New</a></li>
+                        <li id="new_notebook" class="dropdown-submenu">
+                            <a href="#">New Notebook</a>
+                            <ul class="dropdown-menu" id="menu-new-notebook-submenu"></ul>
+                        </li>
                         <li id="open_notebook"
                             title="Opens a new window with the Dashboard view">
                             <a href="#">Open...</a></li>