Allow beautify to be called with a string. Other small supportive fixes

package.json

@@ -85,7 +85,7 @@
         "c9.ide.configuration": "#a9066299a2",
         "c9.ide.dialog.wizard": "#7667ec79a8",
         "c9.ide.fontawesome": "#781602c5d8",
-        "c9.ide.format": "#b0bb91a623",
+        "c9.ide.format": "#33ebd01914",
         "c9.ide.help.support": "#e95f98f87c",
         "c9.ide.imgeditor": "#66a9733dc1",
         "c9.ide.immediate": "#18c23aa730",
@@ -108,6 +108,8 @@
         "c9.ide.save": "#e00549cb0f",
         "c9.ide.scm": "#38d2b48b31",
         "c9.ide.terminal.monitor": "#b76f1c9f24",
+        "c9.ide.test": "#d312a01ac6",
+        "c9.ide.test.mocha": "#79ff886c04",
         "c9.ide.theme.flat": "#2de8414db7",
         "c9.ide.threewaymerge": "#229382aa0b",
         "c9.ide.undo": "#b028bcb4d5",

plugins/c9.ide.editors/editors.js

@@ -10,6 +10,9 @@ define(function(require, module, exports) {
         var Plugin = imports.Plugin;
         var menus = imports.menus;
         
+        var extname = require("path").extname;
+        var basename = require("path").basename;
+        
         /***** Initialization *****/
         
         var plugin = new Plugin("Ajax.org", main.consumes);
@@ -54,9 +57,20 @@ define(function(require, module, exports) {
             return editor;
         }
         
+        function editorSupportsFile(type, path) {
+            var extensions = findEditor(type).fileExtensions;
+            var ext = extname(path).substr(1).toLowerCase();
+            var filename = basename(path).toLowerCase();
+            return ~extensions.indexOf(path)
+                || ~extensions.indexOf(filename)
+                || ~extensions.indexOf(ext) ? true : false;
+        }
+        
         function findEditorByFilename(fn) {
-            var ext = fn.substr(fn.lastIndexOf(".") + 1).toLowerCase();
+            var ext = extname(fn).substr(1).toLowerCase();
+            var filename = basename(fn).toLowerCase();
             var editor = fileExtensions[fn] && fileExtensions[fn][0]
+                || fileExtensions[filename] && fileExtensions[filename][0]
                 || fileExtensions[ext] && fileExtensions[ext][0]
                 || defaultEditor;
             
@@ -245,6 +259,11 @@ define(function(require, module, exports) {
              */
             findEditorByFilename: findEditorByFilename,
             
+            /**
+             * 
+             */
+            editorSupportsFile: editorSupportsFile,
+            
             /**
              * Create an editor instance based on it's type
              * @param {String} type  The type of the editor to create

plugins/c9.ide.editors/tab.js

@@ -7,6 +7,7 @@ define(function(require, module, exports) {
         var Plugin = imports.Plugin;
         var Document = imports.Document;
         var ui = imports.ui;
+        var alert = imports["dialog.alert"].show;
         
         var stylesheet = ui.createStylesheet();
         
@@ -249,7 +250,7 @@ define(function(require, module, exports) {
                 // var lastType = tab.editorType;
                 amlPane.cloud9pane.createEditor(type, function(err, editor) {
                     var info = {};
-                    if (editor.isValid(amlTab.document, info) === false) {
+                    if (editor.isValid(amlTab.cloud9tab.document, info) === false) {
                         alert(
                             info.title || "Could not switch editor",
                             info.head || "Could not switch editor because this document is invalid.",

plugins/c9.ide.editors/tabmanager.js

@@ -186,13 +186,8 @@ define(function(require, module, exports) {
                     group = node.group;
                     
                     var path = focussedTab && focussedTab.path || "";
-                    var ext = path.substr(path.lastIndexOf(".") + 1);
-                    
                     var type = node.value;
-                    var extensions = editors.findEditor(type).fileExtensions;
-                    var isAvailable = editors.defaultEditor == type 
-                        || extensions.indexOf(ext.toLowerCase()) > -1
-                        || !extensions.length;
+                    var isAvailable = editors.editorSupportsFile(type, path);
         
                     node.setAttribute("disabled", !isAvailable);
                 });

plugins/c9.ide.editors/undomanager.js

@@ -116,9 +116,11 @@ define(function(require, module, exports) {
                 return {
                     mark: mark,
                     position: position,
-                    stack: stack.map(function(item) {
-                        return item.getState ? item.getState() : item;
-                    })
+                    stack: stack
+                        .filter(function(item){ return item; })
+                        .map(function(item) {
+                            return item.getState ? item.getState() : item;
+                        })
                 };
             }
             

plugins/c9.ide.ui/widgets.tree.js

@@ -16,8 +16,9 @@ define(function(require, exports, module) {
             if (!options.baseName)
                 options.baseName = "tree";
             
-            if (!options.model) {
-                var model = new TreeModel();
+            var model = options.model;
+            if (!model) {
+                model = new TreeModel();
                 options.model = model;
             }