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https://github.com/nasa/openmct.git
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82 lines
3.0 KiB
JavaScript
82 lines
3.0 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2017, 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 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 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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define([
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'angular',
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'../ui/TreeView'
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], function (angular, TreeView) {
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function MCTTree(gestureService) {
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function link(scope, element) {
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if (!scope.allowSelection) {
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scope.allowSelection = function () {
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return true;
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};
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}
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if (!scope.onSelection) {
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scope.onSelection = function () {};
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}
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var currentSelection = scope.selectedObject;
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var treeView = new TreeView(gestureService);
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function setSelection(domainObject, event) {
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if (currentSelection === domainObject) {
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return;
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}
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if (!scope.allowSelection(domainObject)) {
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treeView.value(currentSelection);
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return;
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}
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currentSelection = domainObject;
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scope.onSelection(domainObject);
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scope.selectedObject = domainObject;
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if (event && event instanceof MouseEvent) {
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scope.$apply();
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}
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}
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var unobserve = treeView.observe(setSelection);
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element.append(angular.element(treeView.elements()));
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scope.$watch('selectedObject', function (object) {
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currentSelection = object;
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treeView.value(object);
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});
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scope.$watch('rootObject', treeView.model.bind(treeView));
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scope.$on('$destroy', unobserve);
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}
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return {
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restrict: "E",
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link: link,
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scope: {
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rootObject: "=",
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selectedObject: "=",
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onSelection: "=?",
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allowSelection: "=?"
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}
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};
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}
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return MCTTree;
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});
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