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/*****************************************************************************
* Open MCT, Copyright (c) 2014-2021, 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.
*****************************************************************************/
import { BAR_GRAPH_KEY } from './BarGraphConstants';
export default function BarGraphCompositionPolicy(openmct) {
function hasRange(metadata) {
const rangeValues = metadata.valuesForHints(['range']);
return rangeValues && rangeValues.length > 0;
}
function hasBarGraphTelemetry(domainObject) {
if (!openmct.telemetry.isTelemetryObject(domainObject)) {
return false;
}
let metadata = openmct.telemetry.getMetadata(domainObject);
return metadata.values().length > 0 && hasRange(metadata);
}
return {
allow: function (parent, child) {
if (parent.type === BAR_GRAPH_KEY) {
if ((child.type === 'conditionSet') || (!hasBarGraphTelemetry(child))) {
return false;
}
}
return true;
}
};
}
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