text: /*****************************************************************************
   * Open MCT, Copyright (c) 2014-2020, 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.
   *****************************************************************************/
  import Preview from './Preview.vue';
  import Vue from 'vue';
  
  export default class PreviewAction {
      constructor(openmct) {
          /**
           * Metadata
           */
          this.name = 'Preview';
          this.key = 'preview';
          this.description = 'Preview in large dialog';
          this.cssClass = 'icon-eye-open';
  
          /**
           * Dependencies
           */
          this._openmct = openmct;
  
          if (PreviewAction.isVisible === undefined) {
              PreviewAction.isVisible = false;
          }
      }
  
      invoke(objectPath) {
          let preview = new Vue({
              components: {
                  Preview
              },
              provide: {
                  openmct: this._openmct,
                  objectPath: objectPath
              },
              template: '<Preview></Preview>'
          });
          preview.$mount();
  
          let overlay = this._openmct.overlays.overlay({
              element: preview.$el,
              size: 'large',
              buttons: [
                  {
                      label: 'Done',
                      callback: () => overlay.dismiss()
                  }
              ],
              onDestroy: () => {
                  PreviewAction.isVisible = false;
                  preview.$destroy();
              }
          });
  
          PreviewAction.isVisible = true;
      }
  
      appliesTo(objectPath) {
          return !PreviewAction.isVisible && !this._isNavigatedObject(objectPath);
      }
  
      _isNavigatedObject(objectPath) {
          let targetObject = objectPath[0];
          let navigatedObject = this._openmct.router.path[0];
  
          return targetObject.identifier.namespace === navigatedObject.identifier.namespace
              && targetObject.identifier.key === navigatedObject.identifier.key;
      }
      _preventPreview(objectPath) {
          const noPreviewTypes = ['folder'];
  
          return noPreviewTypes.includes(objectPath[0].type);
      }
  }
  