mirror of
https://github.com/nasa/openmct.git
synced 2025-02-26 11:20:19 +00:00
76 lines
3.0 KiB
JavaScript
76 lines
3.0 KiB
JavaScript
/*****************************************************************************
|
|
* Open MCT, Copyright (c) 2014-2017, 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 () {
|
|
|
|
/**
|
|
* Navigates away from orphan objects whenever they are detected.
|
|
*
|
|
* An orphan object is an object whose apparent parent does not
|
|
* actually contain it. This may occur in certain circumstances, such
|
|
* as when persistence succeeds for a newly-created object but fails
|
|
* for its parent.
|
|
*
|
|
* @param throttle the `throttle` service
|
|
* @param topic the `topic` service
|
|
* @param navigationService the `navigationService`
|
|
* @constructor
|
|
*/
|
|
function OrphanNavigationHandler(throttle, topic, navigationService) {
|
|
var throttledCheckNavigation;
|
|
|
|
function getParent(domainObject) {
|
|
var context = domainObject.getCapability('context');
|
|
return context.getParent();
|
|
}
|
|
|
|
function preventOrphanNavigation(domainObject) {
|
|
var parent = getParent(domainObject);
|
|
parent.useCapability('composition')
|
|
.then(function (composees) {
|
|
var isOrphan = composees.every(function (c) {
|
|
return c.getId() !== domainObject.getId();
|
|
});
|
|
if (isOrphan) {
|
|
parent.getCapability('action').perform('navigate');
|
|
}
|
|
});
|
|
}
|
|
|
|
function checkNavigation() {
|
|
var navigatedObject = navigationService.getNavigation();
|
|
if (navigatedObject.hasCapability('context')) {
|
|
if (!navigatedObject.getCapability('editor').isEditContextRoot()) {
|
|
preventOrphanNavigation(navigatedObject);
|
|
}
|
|
}
|
|
}
|
|
|
|
throttledCheckNavigation = throttle(checkNavigation);
|
|
|
|
navigationService.addListener(throttledCheckNavigation);
|
|
topic('mutation').listen(throttledCheckNavigation);
|
|
}
|
|
|
|
return OrphanNavigationHandler;
|
|
});
|