[API] Expose Dialog as constructor

...and use it that way from todo plugin

index.html

@@ -31,10 +31,12 @@
     <script type="text/javascript">
         require(['main'], function (mct) {
             require([
+                './tutorials/todo/todo',
                 './example/imagery/bundle',
                 './example/eventGenerator/bundle',
                 './example/generator/bundle',
-            ], function () {
+            ], function (todo) {
+                todo(mct);
                 mct.run();
             })
         });

src/MCT.js

@@ -4,7 +4,6 @@ define([
     'uuid',
     './api/api',
     'text!./adapter/templates/edit-object-replacement.html',
-    './ui/Dialog',
     './Selection',
     './api/objects/object-utils'
 ], function (
@@ -13,7 +12,6 @@ define([
     uuid,
     api,
     editObjectTemplate,
-    Dialog,
     Selection,
     objectUtils
 ) {
@@ -119,10 +117,6 @@ define([
         });
     };
 
-    MCT.prototype.dialog = function (view, title) {
-        return new Dialog(view, title).show();
-    };
-
     MCT.prototype.start = function () {
         this.legacyExtension('runs', {
             depends: ['navigationService'],

src/api/api.js

@@ -3,19 +3,22 @@ define([
     './TimeConductor',
     './View',
     './objects/ObjectAPI',
-    './composition/CompositionAPI'
+    './composition/CompositionAPI',
+    './ui/Dialog'
 ], function (
     Type,
     TimeConductor,
     View,
     ObjectAPI,
-    CompositionAPI
+    CompositionAPI,
+    Dialog
 ) {
     return {
         Type: Type,
         TimeConductor: new TimeConductor(),
         View: View,
         Objects: ObjectAPI,
-        Composition: CompositionAPI
+        Composition: CompositionAPI,
+        Dialog: Dialog
     };
 });

tutorials/todo/todo.js

@@ -163,7 +163,7 @@ define([
                         destroy: function () {}
                     };
 
-                mct.dialog(view, "Add a Task").then(function () {
+                new mct.Dialog(view, "Add a Task").show().then(function () {
                     var description = $dialog.find('input').val();
                     var tasks = self.mutableObject.get('tasks');
                     tasks.push({ description: description });