Fixes +9934. Show alert when using the experimental panel

plugins/c9.ide.preferences/experimental.js

@@ -1,17 +1,16 @@
 define(function(require, exports, module) {
     main.consumes = [
-        "PreferencePanel", "ui", "dialog.confirm", "settings",
-        "preferences", "c9"
+        "PreferencePanel", "ui", "dialog.alert", "settings", "c9"
     ];
     main.provides = ["preferences.experimental"];
     return main;
 
     function main(options, imports, register) {
         var PreferencePanel = imports.PreferencePanel;
-        var prefs = imports.preferences;
         var settings = imports.settings;
         var ui = imports.ui;
         var c9 = imports.c9;
+        var alert = imports["dialog.alert"].show;
         
         /***** Initialization *****/
         
@@ -23,7 +22,7 @@ define(function(require, exports, module) {
         var emit = plugin.getEmitter();
         emit.setMaxListeners(1000);
         
-        var intro;
+        var intro, hasAlerted;
         
         var loaded = false;
         function load() {
@@ -71,6 +70,14 @@ define(function(require, exports, module) {
             }
             current.type = "checkbox";
             current.setting = "state/experiments/@" + uniqueId;
+            current.onchange = function(e){
+                if (!hasAlerted) {
+                    alert("Refresh Needed", 
+                        "Please Refresh Cloud9 To Activate This Change",
+                        "To see the effect of this change, please refresh Cloud9.");
+                    hasAlerted = true;
+                }
+            }
             
             if (!found[name])
                 plugin.add(obj, plugin);

plugins/c9.ide.ui/forms.js

@@ -190,8 +190,11 @@ define(function(require, exports, module) {
                                     ? createBind(options.path) 
                                     : (options.defaultValue || ""),
                                 values: options.values,
-                                skin: "cboffline"
-                                // width: "55"
+                                skin: "cboffline",
+                                onafterchange: function(e) {
+                                    if (options.onchange)
+                                        options.onchange({ value: e.value });
+                                }
                             })
                         ];
                     break;