Files
openmct/platform/core/src/capabilities/CreationCapability.js
2015-11-05 16:05:29 -08:00

80 lines
3.1 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,Promise*/
define(
['../objects/DomainObjectImpl', 'uuid'],
function (DomainObjectImpl, uuid) {
'use strict';
/**
* Implements the `creation` capability. This allows new domain
* objects to be instantiated.
*
* @constructor
* @memberof platform/core
* @param $injector Angular's `$injector`
*/
function CreationCapability($injector) {
this.$injector = $injector;
}
/**
* Alias of `capabilityService.getCapabilities`; handles lazy loading
* of `capabilityService`, since it cannot be declared as a
* dependency directly without creating a cycle.
* @private
*/
CreationCapability.prototype.getCapabilities = function (model) {
if (!this.capabilityService) {
this.capabilityService =
this.$injector.get('capabilityService');
}
return this.capabilityService.getCapabilities(model);
};
/**
* Instantiate a new domain object with the provided model.
*
* This domain object will have been simply instantiated; it will not
* have been persisted, nor will it have been added to the
* composition of the object which exposed this capability.
*
* @returns {DomainObject} the new domain object
*/
CreationCapability.prototype.create = function (model) {
var id = uuid(),
capabilities = this.getCapabilities(model);
return new DomainObjectImpl(id, model, capabilities);
};
/**
* Alias of `create`.
* @see {platform/core.CreationCapability#create}
*/
CreationCapability.prototype.invoke =
CreationCapability.prototype.create;
return CreationCapability;
}
);