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69 lines
2.8 KiB
JavaScript
69 lines
2.8 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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* Editable Persistence Capability. Overrides the persistence capability
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* normally exhibited by a domain object to ensure that changes made
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* during edit mode are not immediately stored to the database or other
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* backing storage.
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*
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* Meant specifically for use by EditableDomainObject and the
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* associated cache; the constructor signature is particular
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* to a pattern used there and may contain unused arguments.
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* @constructor
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* @memberof platform/commonUI/edit
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* @implements {PersistenceCapability}
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*/
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function EditablePersistenceCapability(
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persistenceCapability,
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editableObject,
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domainObject,
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cache
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) {
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var persistence = Object.create(persistenceCapability);
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// Simply trigger refresh of in-view objects; do not
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// write anything to database.
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persistence.persist = function () {
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cache.markDirty(editableObject);
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};
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// Delegate refresh to the original object; this avoids refreshing
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// the editable instance of the object, and ensures that refresh
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// correctly targets the "real" version of the object.
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persistence.refresh = function () {
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return domainObject.getCapability('persistence').refresh();
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};
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return persistence;
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}
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return EditablePersistenceCapability;
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}
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);
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