Keep sidebar tab menu in alphabetical order

editor/js/ui/menu.js

@@ -53,6 +53,10 @@ RED.menu = (function() {
         } else {
             item = $('<li></li>');
 
+            if (opt.group) {
+                item.addClass("menu-group-"+opt.group);
+
+            }
             var linkContent = '<a '+(opt.id?'id="'+opt.id+'" ':'')+'tabindex="-1" href="#">';
             if (opt.toggle) {
                 linkContent += '<i class="fa fa-square pull-left"></i>';
@@ -208,7 +212,27 @@ RED.menu = (function() {
     }
 
     function addItem(id,opt) {
-        createMenuItem(opt).appendTo("#"+id+"-submenu");
+        var item = createMenuItem(opt);
+        if (opt.group) {
+            var groupItems = $("#"+id+"-submenu").children(".menu-group-"+opt.group);
+            if (groupItems.length === 0) {
+                item.appendTo("#"+id+"-submenu");
+            } else {
+                for (var i=0;i<groupItems.length;i++) {
+                    var groupItem = groupItems[i];
+                    var label = $(groupItem).find(".menu-label").html();
+                    if (opt.label < label) {
+                        $(groupItem).before(item);
+                        break;
+                    }
+                }
+                if (i === groupItems.length) {
+                    item.appendTo("#"+id+"-submenu");
+                }
+            }
+        } else {
+            item.appendTo("#"+id+"-submenu");
+        }
     }
     function removeItem(id) {
         $("#"+id).parent().remove();

editor/js/ui/sidebar.js

@@ -64,7 +64,8 @@ RED.sidebar = (function() {
             label:options.name,
             onselect:function() {
                 showSidebar(options.id);
-            }
+            },
+            group: "sidebar-tabs"
         });
 
         knownTabs[options.id] = options;

locales/en-US/editor.json

@@ -178,7 +178,7 @@
     },
     "sidebar": {
         "info": {
-            "name": "Node Information",
+            "name": "Information",
             "label": "info",
             "node": "Node",
             "type": "Type",