openmct/platform/commonUI/browse/src/creation/LocatorController.js
2016-01-21 16:35:18 -08:00

103 lines
4.3 KiB
JavaScript

/*****************************************************************************
* Open MCT Web, Copyright (c) 2014-2015, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT Web 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 Web 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.
*****************************************************************************/
/*global define*/
define(
[],
function () {
"use strict";
/**
* Controller for the "locator" control, which provides the
* user with the ability to select a domain object as the
* destination for a newly-created object in the Create menu.
* @memberof platform/commonUI/browse
* @constructor
*/
function LocatorController($scope, $timeout, objectService) {
// Populate values needed by the locator control. These are:
// * rootObject: The top-level object, since we want to show
// the full tree
// * treeModel: The model for the embedded tree representation,
// used for bi-directional object selection.
function setLocatingObject(domainObject, priorObject) {
var context = domainObject &&
domainObject.getCapability("context"),
contextRoot = context && context.getRoot();
if (contextRoot && contextRoot !== $scope.rootObject) {
$scope.rootObject = undefined;
// Update the displayed tree on a timeout to avoid
// an infinite digest exception.
$timeout(function () {
$scope.rootObject =
(context && context.getRoot()) || $scope.rootObject;
}, 0);
} else if (!contextRoot){
//If no context root is available, default to the root
// object
$scope.rootObject = undefined;
// Update the displayed tree on a timeout to avoid
// an infinite digest exception.
objectService.getObjects(['ROOT'])
.then(function(objects){
$timeout(function () {
$scope.rootObject = objects.ROOT;
}, 0);
});
}
$scope.treeModel.selectedObject = domainObject;
$scope.ngModel[$scope.field] = domainObject;
// Restrict which locations can be selected
if (domainObject &&
$scope.structure &&
$scope.structure.validate) {
if (!$scope.structure.validate(domainObject)) {
setLocatingObject(priorObject, undefined);
return;
}
}
// Set validity
if ($scope.ngModelController) {
$scope.ngModelController.$setValidity(
'composition',
!!$scope.treeModel.selectedObject
);
}
}
// Initial state for the tree's model
$scope.treeModel =
{ selectedObject: $scope.ngModel[$scope.field] };
// Watch for changes from the tree
$scope.$watch("treeModel.selectedObject", setLocatingObject);
}
return LocatorController;
}
);