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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.
*****************************************************************************/
define(
function () {
/**
* The "Cancel" action; the action triggered by clicking Cancel from
* Edit Mode. Exits the editing user interface and invokes object
* capabilities to persist the changes that have been made.
* @constructor
* @memberof platform/commonUI/edit
* @implements {Action}
*/
function CancelAction(context) {
this.domainObject = context.domainObject;
}
/**
* Cancel editing.
*
* @returns {Promise} a promise that will be fulfilled when
* cancellation has completed
*/
CancelAction.prototype.perform = function () {
var domainObject = this.domainObject;
function returnToBrowse() {
var parent;
//If the object existed already, navigate to refresh view
// with previous object state.
if (domainObject.getModel().persisted) {
return domainObject.getCapability("action").perform("navigate");
} else {
//If the object was new, and user has cancelled, then
//navigate back to parent because nothing to show.
return domainObject.getCapability("location").getOriginal().then(function (original) {
parent = original.getCapability("context").getParent();
return parent.getCapability("action").perform("navigate");
});
}
}
function cancel() {
return domainObject.getCapability("editor").finish();
}
//Do navigation first in order to trigger unsaved changes dialog
return returnToBrowse()
.then(cancel);
};
/**
* Check if this action is applicable in a given context.
* This will ensure that a domain object is present in the context,
* and that this domain object is in Edit mode.
* @returns {boolean} true if applicable
*/
CancelAction.appliesTo = function (context) {
var domainObject = (context || {}).domainObject;
return domainObject !== undefined
&& domainObject.hasCapability('editor')
&& domainObject.getCapability('editor').isEditContextRoot();
};
return CancelAction;
}
);
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