openmct/platform/containment/src/ComposeActionPolicy.js
Andrew Henry cbcfd44016 Elements pool and drag drop (#2196)
* Implemented drag-and-drop composition

* Added composition policy for tables

* Reimplemented elements pool in Vue

* No need to resolve all objects on the navigated path

* Only show elements pool in edit mode

* Remove old elements pool

* Updated legacy code to use composition policy API

* Keep object in sync when mutated
2018-10-23 10:52:37 -07:00

77 lines
3.1 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2014-2018, 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
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* this source code distribution or the Licensing information page available
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*****************************************************************************/
define(
[],
function () {
/**
* Restrict `compose` actions to cases where composition
* is explicitly allowed.
*
* Note that this is a policy that needs the `policyService`,
* since it's delegated to a different policy category.
* To avoid a circular dependency, the service is obtained via
* Angular's `$injector`.
* @constructor
* @memberof platform/containment
* @implements {Policy.<Action, ActionContext>}
*/
function ComposeActionPolicy($injector, openmct) {
this.getPolicyService = function () {
return $injector.get('policyService');
};
this.openmct = openmct;
}
ComposeActionPolicy.prototype.allowComposition = function (containerObject, selectedObject) {
// Get a reference to the policy service if needed...
this.policyService = this.policyService || this.getPolicyService();
// ...and delegate to the composition policy
return containerObject.getId() !== selectedObject.getId() &&
this.openmct.composition.checkPolicy(containerObject.useCapability('adapter'),
selectedObject.useCapability('adapter'));
};
/**
* Check whether or not a compose action should be allowed
* in this context.
* @returns {boolean} true if it may be allowed
* @memberof platform/containment.ComposeActionPolicy#
*/
ComposeActionPolicy.prototype.allow = function (candidate, context) {
if (candidate.getMetadata().key === 'compose') {
return this.allowComposition(
(context || {}).domainObject,
(context || {}).selectedObject
);
}
return true;
};
return ComposeActionPolicy;
}
);