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openmct/platform/features/timeline/src/controllers/swimlane/TimelineProxy.js

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JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2009-2016, 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.
*****************************************************************************/
define(
[],
function () {
/**
* Selection proxy for the Timeline view. Implements
* behavior associated with the Add button in the
* timeline's toolbar.
* @constructor
*/
function TimelineProxy(domainObject, selection) {
var actionMap = {};
// Populate available Create actions for this domain object
function populateActionMap(object) {
var actionCapability = object.getCapability('action'),
actions = actionCapability ?
actionCapability.getActions('add') : [];
actions.forEach(function (action) {
actionMap[action.getMetadata().type] = action;
});
}
// Populate available actions based on current selection
// (defaulting to object-in-view if there is none.)
function populateForSelection() {
var swimlane = selection && selection.get(),
selectedObject = swimlane && swimlane.domainObject;
populateActionMap(selectedObject || domainObject);
}
populateActionMap(domainObject);
return {
/**
* Add a domain object of the specified type.
* @param {string} type the type of domain object to add
*/
add: function (type) {
// Update list of create actions; this needs to reflect
// the current selection so that Save in defaults
// appropriately.
populateForSelection();
// Create an object of that type
if (actionMap[type]) {
return actionMap[type].perform();
}
}
};
}
return TimelineProxy;
}
);