mirror of
https://github.com/nasa/openmct.git
synced 2025-02-07 03:29:24 +00:00
53 lines
2.0 KiB
JavaScript
53 lines
2.0 KiB
JavaScript
|
/*****************************************************************************
|
||
|
|
* 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";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Defines composition policy for Display Layout objects.
|
||
|
|
* They cannot contain folders.
|
||
|
|
*/
|
||
|
|
function LayoutCompositionPolicy() {
|
||
|
|
return {
|
||
|
|
/**
|
||
|
|
* Is the type identified by the candidate allowed to
|
||
|
|
* contain the type described by the context?
|
||
|
|
*/
|
||
|
|
allow: function (candidate, context) {
|
||
|
|
var isFolderInLayout =
|
||
|
|
candidate &&
|
||
|
|
context &&
|
||
|
|
candidate.instanceOf('layout') &&
|
||
|
|
context.instanceOf('folder');
|
||
|
|
return !isFolderInLayout;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
return LayoutCompositionPolicy;
|
||
|
|
}
|
||
|
|
);
|