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105 lines
3.9 KiB
JavaScript
105 lines
3.9 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT Web is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT Web includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/*global define */
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define(
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function () {
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"use strict";
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/**
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* MoveService provides an interface for moving objects from one
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* location to another. It also provides a method for determining if
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* an object can be copied to a specific location.
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* @constructor
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* @memberof platform/entanglement
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* @implements {platform/entanglement.AbstractComposeService}
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*/
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function MoveService(policyService, linkService) {
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this.policyService = policyService;
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this.linkService = linkService;
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}
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MoveService.prototype.validate = function (object, parentCandidate) {
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var currentParent = object
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.getCapability('context')
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.getParent();
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if (!parentCandidate || !parentCandidate.getId) {
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return false;
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}
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if (parentCandidate.getId() === currentParent.getId()) {
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return false;
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}
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if (parentCandidate.getId() === object.getId()) {
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return false;
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}
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if (parentCandidate.getModel().composition.indexOf(object.getId()) !== -1) {
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return false;
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}
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return this.policyService.allow(
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"composition",
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parentCandidate.getCapability('type'),
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object.getCapability('type')
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);
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};
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MoveService.prototype.perform = function (object, parentObject) {
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function relocate(objectInNewContext) {
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var newLocationCapability = objectInNewContext
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.getCapability('location'),
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oldLocationCapability = object
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.getCapability('location');
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if (!newLocationCapability ||
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!oldLocationCapability) {
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return;
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}
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if (oldLocationCapability.isOriginal()) {
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return newLocationCapability.setPrimaryLocation(
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newLocationCapability
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.getContextualLocation()
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);
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}
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}
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if (!this.validate(object, parentObject)) {
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throw new Error(
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"Tried to move objects without validating first."
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);
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}
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return this.linkService
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.perform(object, parentObject)
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.then(relocate)
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.then(function () {
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return object
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.getCapability('action')
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.perform('remove');
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});
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};
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return MoveService;
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}
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);
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