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openmct/platform/commonUI/browse/src/navigation/NavigateAction.js

81 lines
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JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2014-2016, 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.
*****************************************************************************/
/**
* Module defining NavigateAction. Created by vwoeltje on 11/10/14.
*/
define(
[],
function () {
/**
* The navigate action navigates to a specific domain object.
* @memberof platform/commonUI/browse
* @constructor
* @implements {Action}
*/
function NavigateAction(navigationService, $q, policyService, $window, context) {
this.domainObject = context.domainObject;
this.$q = $q;
this.navigationService = navigationService;
this.policyService = policyService;
this.$window = $window;
}
/**
* Navigate to the object described in the context.
* @returns {Promise} a promise that is resolved once the
* navigation has been updated
*/
NavigateAction.prototype.perform = function () {
var self = this,
navigationAllowed = true;
function allow() {
self.policyService.allow("navigation", self.navigationService.getNavigation(), self.domainObject, function (message) {
navigationAllowed = self.$window.confirm(message + "\r\n\r\n" +
" Are you sure you want to continue?");
});
return navigationAllowed;
}
// Set navigation, and wrap like a promise
return this.$q.when(
allow() && this.navigationService.setNavigation(this.domainObject)
);
};
/**
* Navigate as an action is only applicable when a domain object
* is described in the action context.
* @param {ActionContext} context the context in which the action
* will be performed
* @returns {boolean} true if applicable
*/
NavigateAction.appliesTo = function (context) {
return context.domainObject !== undefined;
};
return NavigateAction;
}
);