[Timeline] Add move policy

...to restore suppression of Move for objects being edited
(relaxed for the specific case of moving one object being
edited into another object being edited, for use in Timelines.)

platform/commonUI/edit/bundle.js

@@ -34,6 +34,7 @@ define([
     "./src/actions/SaveAction",
     "./src/actions/CancelAction",
     "./src/policies/EditActionPolicy",
+    "./src/policies/EditableMovePolicy",
     "./src/policies/EditNavigationPolicy",
     "./src/representers/EditRepresenter",
     "./src/representers/EditToolbarRepresenter",
@@ -56,6 +57,7 @@ define([
     SaveAction,
     CancelAction,
     EditActionPolicy,
+    EditableMovePolicy,
     EditNavigationPolicy,
     EditRepresenter,
     EditToolbarRepresenter,
@@ -187,6 +189,10 @@ define([
                     "category": "action",
                     "implementation": EditActionPolicy
                 },
+                {
+                    "category": "action",
+                    "implementation": EditableMovePolicy
+                },
                 {
                     "category": "navigation",
                     "message": "There are unsaved changes.",

platform/commonUI/edit/src/policies/EditableMovePolicy.js

@@ -0,0 +1,51 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define*/
+
+define([], function () {
+    "use strict";
+
+    /**
+     * Policy suppressing move actions among editable and non-editable
+     * domain objects.
+     * @memberof platform/commonUI/edit
+     * @constructor
+     * @implements {Policy.<View, DomainObject>}
+     */
+    function EditableMovePolicy() {
+    }
+
+    EditableMovePolicy.prototype.allow = function (action, context) {
+        var domainObject = context.domainObject,
+            selectedObject = context.selectedObject,
+            key = action.getMetadata().key;
+
+        if (key === 'move' && domainObject.hasCapability('editor')) {
+            return !!selectedObject && selectedObject.hasCapability('editor');
+        }
+
+        // Like all policies, allow by default.
+        return true;
+    };
+
+    return EditableMovePolicy;
+});