[Persistence] Suppress Move/Copy/Link

Disallow move/copy/link when crossing persistence spaces,
nasa/openmctweb#245

platform/entanglement/src/policies/CrossSpacePolicy.js

@@ -0,0 +1,65 @@
+/*****************************************************************************
+ * 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';
+
+        var DISALLOWED_ACTIONS = [
+            "move",
+            "copy",
+            "link",
+            "compose"
+        ];
+
+        function CrossSpacePolicy() {
+        }
+
+        function lookupSpace(domainObject) {
+            var persistence = domainObject &&
+                domainObject.getCapability("persistence");
+            return persistence && persistence.getSpace();
+        }
+
+        function isCrossSpace(context) {
+            var domainObject = context.domainObject,
+                selectedObject = context.selectedObject,
+                spaces = [ domainObject, selectedObject ].map(lookupSpace);
+            return spaces[0] === spaces[1];
+        }
+
+        CrossSpacePolicy.prototype.allow = function (action, context) {
+            var key = action.getMetadata().key;
+
+            if (DISALLOWED_ACTIONS.indexOf(key) !== -1) {
+                return !isCrossSpace(context);
+            }
+
+            return true;
+        };
+
+        return CrossSpacePolicy;
+
+    }
+);