Files
openmct/platform/entanglement/src/policies/CrossSpacePolicy.js

68 lines
2.5 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2014-2016, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT 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 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.
*****************************************************************************/
define(
[],
function () {
var DISALLOWED_ACTIONS = ["move"];
/**
* This policy prevents performing move/copy/link actions across
* different persistence spaces (e.g. linking to an object in
* a private space from an object in a public space.)
* @memberof {platform/entanglement}
* @constructor
* @implements {Policy}
*/
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;
return selectedObject !== undefined &&
domainObject !== undefined &&
lookupSpace(domainObject) !== lookupSpace(selectedObject);
}
CrossSpacePolicy.prototype.allow = function (action, context) {
var key = action.getMetadata().key;
if (DISALLOWED_ACTIONS.indexOf(key) !== -1) {
return !isCrossSpace(context);
}
return true;
};
return CrossSpacePolicy;
}
);