Clock element as a standalone component

- Was intended to replace clock indicator;
- WIP!

example/notifications/res/dialog-launch.html

@@ -1,6 +1,6 @@
 <span class="h-indicator" ng-controller="DialogLaunchController">
     <!-- DO NOT ADD SPACES BETWEEN THE SPANS - IT ADDS WHITE SPACE!! -->
-    <div class="ls-indicator icon-box-with-arrow s-status-available"><span class="label">
+    <div class="c-indicator c-indicator--clickable icon-box-with-arrow s-status-available"><span class="label">
         <a ng-click="launchProgress(true)">Known</a>
         <a ng-click="launchProgress(false)">Unknown</a>
         <a ng-click="launchError()">Error</a>

example/notifications/res/notification-launch.html

@@ -1,6 +1,6 @@
 <span class="h-indicator" ng-controller="NotificationLaunchController">
     <!-- DO NOT ADD SPACES BETWEEN THE SPANS - IT ADDS WHITE SPACE!! -->
-    <div class="ls-indicator icon-bell s-status-available"><span class="label">
+    <div class="c-indicator c-indicator--clickable icon-bell s-status-available"><span class="label">
         <a ng-click="newInfo()">Success</a>
         <a ng-click="newError()">Error</a>
         <a ng-click="newAlert()">Alert</a>

index.html

@@ -86,6 +86,8 @@
         openmct.install(openmct.plugins.LADTable());
         openmct.install(openmct.plugins.Filters(['table', 'telemetry.plot.overlay']));
         openmct.install(openmct.plugins.ObjectMigration());
+        openmct.install(openmct.plugins.GoToOriginalAction());
+        openmct.install(openmct.plugins.GlobalClearIndicator());
         openmct.start();
     </script>
 </html>

platform/commonUI/dialog/res/templates/notification-message.html

@@ -9,17 +9,17 @@
                          ng-model="ngModel"
                          ng-show="ngModel.progressPerc !== undefined"></mct-include>
         </div>
-        <div class="c-overlay__button-bar">
-            <button ng-repeat="dialogOption in ngModel.options"
+    </div>
+    <div class="c-overlay__button-bar">
+        <button ng-repeat="dialogOption in ngModel.options"
                 class="c-button"
                 ng-click="dialogOption.callback()">
-                    {{dialogOption.label}}
-            </button>
-            <button class="c-button c-button--major"
+            {{dialogOption.label}}
+        </button>
+        <button class="c-button c-button--major"
                 ng-if="ngModel.primaryOption"
                 ng-click="ngModel.primaryOption.callback()">
-                    {{ngModel.primaryOption.label}}
-            </button>
-        </div>
+            {{ngModel.primaryOption.label}}
+        </button>
     </div>
 </div>

platform/commonUI/edit/src/capabilities/EditorCapability.js

@@ -64,7 +64,6 @@ define(
          * @returns boolean
          */
         EditorCapability.prototype.inEditContext = function () {
-            console.warn('DEPRECATION WARNING: isEditing checks must be done via openmct.editor.');
             return this.openmct.editor.isEditing();
         };
 
@@ -74,7 +73,6 @@ define(
          * @returns {*}
          */
         EditorCapability.prototype.isEditContextRoot = function () {
-            console.warn('DEPRECATION WARNING: isEditing checks must be done via openmct.editor.');
             return this.openmct.editor.isEditing();
         };
 

platform/commonUI/edit/src/services/TransactionManager.js

@@ -77,14 +77,19 @@ define([], function () {
                 return promiseFn().then(nextFn);
             };
         }
-
-        if (!this.isScheduled(id)) {
-            this.clearTransactionFns[id] =
-                this.transactionService.addToTransaction(
-                    chain(onCommit, release),
-                    chain(onCancel, release)
-                );
+        /**
+         * Clear any existing persistence calls for object with given ID. This ensures only the most recent persistence
+         * call is executed. This should prevent stale objects being persisted and overwriting fresh ones.
+         */
+        if (this.isScheduled(id)) {
+            this.clearTransactionsFor(id);
         }
+
+        this.clearTransactionFns[id] =
+            this.transactionService.addToTransaction(
+                chain(onCommit, release),
+                chain(onCancel, release)
+            );
     };
 
     /**

platform/commonUI/edit/test/services/TransactionManagerSpec.js

@@ -93,24 +93,33 @@ define(
                     expect(mockOnCancel).toHaveBeenCalled();
                 });
 
-                it("ignores subsequent calls for the same object", function () {
-                    manager.addToTransaction(
-                        testId,
-                        jasmine.createSpy(),
-                        jasmine.createSpy()
-                    );
-                    expect(mockTransactionService.addToTransaction.calls.count())
-                        .toEqual(1);
-                });
+                describe("Adds callbacks to transaction", function () {
+                    beforeEach(function () {
+                        spyOn(manager, 'clearTransactionsFor');
+                        manager.clearTransactionsFor.and.callThrough();
+                    });
 
-                it("accepts subsequent calls for other objects", function () {
-                    manager.addToTransaction(
-                        'other-id',
-                        jasmine.createSpy(),
-                        jasmine.createSpy()
-                    );
-                    expect(mockTransactionService.addToTransaction.calls.count())
-                        .toEqual(2);
+                    it("and clears pending calls if same object", function () {
+                        manager.addToTransaction(
+                            testId,
+                            jasmine.createSpy(),
+                            jasmine.createSpy()
+                        );
+                        expect(manager.clearTransactionsFor).toHaveBeenCalledWith(testId);
+                    });
+
+                    it("and does not clear pending calls if different object", function () {
+                        manager.addToTransaction(
+                            'other-id',
+                            jasmine.createSpy(),
+                            jasmine.createSpy()
+                        );
+                        expect(manager.clearTransactionsFor).not.toHaveBeenCalled();
+                    });
+
+                    afterEach(function () {
+                        expect(mockTransactionService.addToTransaction.calls.count()).toEqual(2);
+                    });
                 });
 
                 it("does not remove callbacks from the transaction", function () {

platform/commonUI/general/res/templates/angular-indicator.html

@@ -20,7 +20,7 @@
  at runtime from the About dialog for additional information.
 -->
 <!-- DO NOT ADD SPACES BETWEEN THE SPANS - IT ADDS WHITE SPACE!! -->
-<div class="ls-indicator {{ngModel.getCssClass()}}"
+<div class="c-indicator {{ngModel.getCssClass()}}"
 	 title="{{ngModel.getDescription()}}"
 	 ng-show="ngModel.getText().length > 0">
 	<span class="label">{{ngModel.getText()}}</span>

platform/commonUI/general/src/directives/MCTSelectable.js

@@ -54,6 +54,7 @@ define(
                     if (isDestroyed) {
                         return;
                     }
+
                     var removeSelectable = openmct.selection.selectable(
                         element[0],
                         scope.$eval(attrs.mctSelectable),

platform/commonUI/notification/res/notification-indicator.html

@@ -1,5 +1,5 @@
 <!-- DO NOT ADD SPACES BETWEEN THE SPANS - IT ADDS WHITE SPACE!! -->
-<div ng-show="notifications.length > 0" class="ls-indicator s-status-{{highest.severity}} icon-bell"
+<div ng-show="notifications.length > 0" class="c-indicator c-indicator--clickable s-status-{{highest.severity}} icon-bell"
       ng-controller="NotificationIndicatorController">
     <span class="label">
         <a ng-click="showNotificationsList()">

platform/core/src/runs/TransactingMutationListener.js

@@ -43,23 +43,10 @@ define([], function () {
         var mutationTopic = topic('mutation');
         mutationTopic.listen(function (domainObject) {
             var persistence = domainObject.getCapability('persistence');
-            var wasActive = transactionService.isActive();
             cacheService.put(domainObject.getId(), domainObject.getModel());
 
             if (hasChanged(domainObject)) {
-
-                if (!wasActive) {
-                    transactionService.startTransaction();
-                }
-
-                transactionService.addToTransaction(
-                    persistence.persist.bind(persistence),
-                    persistence.refresh.bind(persistence)
-                );
-
-                if (!wasActive) {
-                    transactionService.commit();
-                }
+                persistence.persist();
             }
         });
     }

platform/core/test/runs/TransactingMutationListenerSpec.js

@@ -24,22 +24,27 @@ define(
     ["../../src/runs/TransactingMutationListener"],
     function (TransactingMutationListener) {
 
-        xdescribe("TransactingMutationListener", function () {
+        describe("TransactingMutationListener", function () {
             var mockTopic,
                 mockMutationTopic,
+                mockCacheService,
                 mockTransactionService,
                 mockDomainObject,
+                mockModel,
                 mockPersistence;
 
             beforeEach(function () {
                 mockTopic = jasmine.createSpy('topic');
                 mockMutationTopic =
                     jasmine.createSpyObj('mutation', ['listen']);
+                mockCacheService =
+                    jasmine.createSpyObj('cacheService', [
+                        'put'
+                    ]);
                 mockTransactionService =
                     jasmine.createSpyObj('transactionService', [
                         'isActive',
                         'startTransaction',
-                        'addToTransaction',
                         'commit'
                     ]);
                 mockDomainObject = jasmine.createSpyObj(
@@ -52,18 +57,24 @@ define(
                 );
 
                 mockTopic.and.callFake(function (t) {
-                    return (t === 'mutation') && mockMutationTopic;
+                    expect(t).toBe('mutation');
+                    return mockMutationTopic;
                 });
 
+                mockDomainObject.getId.and.returnValue('mockId');
                 mockDomainObject.getCapability.and.callFake(function (c) {
-                    return (c === 'persistence') && mockPersistence;
+                    expect(c).toBe('persistence');
+                    return mockPersistence;
                 });
+                mockModel = {};
+                mockDomainObject.getModel.and.returnValue(mockModel);
 
                 mockPersistence.persisted.and.returnValue(true);
 
                 return new TransactingMutationListener(
                     mockTopic,
-                    mockTransactionService
+                    mockTransactionService,
+                    mockCacheService
                 );
             });
 
@@ -72,48 +83,27 @@ define(
                     .toHaveBeenCalledWith(jasmine.any(Function));
             });
 
-            [false, true].forEach(function (isActive) {
-                var verb = isActive ? "is" : "isn't";
+            it("calls persist if the model has changed", function () {
+                mockModel.persisted = Date.now();
 
-                function onlyWhenInactive(expectation) {
-                    return isActive ? expectation.not : expectation;
-                }
+                //Mark the model dirty by setting the mutated date later than the last persisted date.
+                mockModel.modified = mockModel.persisted + 1;
 
-                describe("when a transaction " + verb + " active", function () {
-                    var innerVerb = isActive ? "does" : "doesn't";
+                mockMutationTopic.listen.calls.mostRecent()
+                    .args[0](mockDomainObject);
 
-                    beforeEach(function () {
-                        mockTransactionService.isActive.and.returnValue(isActive);
-                    });
+                expect(mockPersistence.persist).toHaveBeenCalled();
+            });
 
-                    describe("and mutation occurs", function () {
-                        beforeEach(function () {
-                            mockMutationTopic.listen.calls.mostRecent()
-                                .args[0](mockDomainObject);
-                        });
+            it("does not call persist if the model has not changed", function () {
+                mockModel.persisted = Date.now();
 
+                mockModel.modified = mockModel.persisted;
 
-                        it(innerVerb + " start a new transaction", function () {
-                            onlyWhenInactive(
-                                expect(mockTransactionService.startTransaction)
-                            ).toHaveBeenCalled();
-                        });
+                mockMutationTopic.listen.calls.mostRecent()
+                    .args[0](mockDomainObject);
 
-                        it("adds to the active transaction", function () {
-                            expect(mockTransactionService.addToTransaction)
-                                .toHaveBeenCalledWith(
-                                    jasmine.any(Function),
-                                    jasmine.any(Function)
-                                );
-                        });
-
-                        it(innerVerb + " immediately commit", function () {
-                            onlyWhenInactive(
-                                expect(mockTransactionService.commit)
-                            ).toHaveBeenCalled();
-                        });
-                    });
-                });
+                expect(mockPersistence.persist).not.toHaveBeenCalled();
             });
         });
     }

platform/entanglement/bundle.js

@@ -24,7 +24,6 @@ define([
     "./src/actions/MoveAction",
     "./src/actions/CopyAction",
     "./src/actions/LinkAction",
-    "./src/actions/GoToOriginalAction",
     "./src/actions/SetPrimaryLocationAction",
     "./src/services/LocatingCreationDecorator",
     "./src/services/LocatingObjectDecorator",
@@ -41,7 +40,6 @@ define([
     MoveAction,
     CopyAction,
     LinkAction,
-    GoToOriginalAction,
     SetPrimaryLocationAction,
     LocatingCreationDecorator,
     LocatingObjectDecorator,
@@ -104,14 +102,6 @@ define([
                         "linkService"
                     ]
                 },
-                {
-                    "key": "follow",
-                    "name": "Go To Original",
-                    "description": "Go to the original, un-linked instance of this object.",
-                    "cssClass": "",
-                    "category": "contextual",
-                    "implementation": GoToOriginalAction
-                },
                 {
                     "key": "locate",
                     "name": "Set Primary Location",

platform/entanglement/src/actions/GoToOriginalAction.js

@@ -1,60 +0,0 @@
-/*****************************************************************************
- * Open MCT, Copyright (c) 2014-2018, 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 () {
-
-        /**
-         * Implements the "Go To Original" action, which follows a link back
-         * to an original instance of an object.
-         *
-         * @implements {Action}
-         * @constructor
-         * @private
-         * @memberof platform/entanglement
-         * @param {ActionContext} context the context in which the action
-         *        will be performed
-         */
-        function GoToOriginalAction(context) {
-            this.domainObject = context.domainObject;
-        }
-
-        GoToOriginalAction.prototype.perform = function () {
-            return this.domainObject.getCapability("location").getOriginal()
-                .then(function (originalObject) {
-                    var actionCapability =
-                        originalObject.getCapability("action");
-                    return actionCapability &&
-                            actionCapability.perform("navigate");
-                });
-        };
-
-        GoToOriginalAction.appliesTo = function (context) {
-            var domainObject = context.domainObject;
-            return domainObject && domainObject.hasCapability("location") &&
-                domainObject.getCapability("location").isLink();
-        };
-
-        return GoToOriginalAction;
-    }
-);
-

platform/entanglement/test/actions/GoToOriginalActionSpec.js

@@ -1,93 +0,0 @@
-/*****************************************************************************
- * Open MCT, Copyright (c) 2014-2018, 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(
-    [
-        '../../src/actions/GoToOriginalAction',
-        '../DomainObjectFactory',
-        '../ControlledPromise'
-    ],
-    function (GoToOriginalAction, domainObjectFactory, ControlledPromise) {
-
-        describe("The 'go to original' action", function () {
-            var testContext,
-                originalDomainObject,
-                mockLocationCapability,
-                mockOriginalActionCapability,
-                originalPromise,
-                action;
-
-            beforeEach(function () {
-                mockLocationCapability = jasmine.createSpyObj(
-                    'location',
-                    ['isLink', 'isOriginal', 'getOriginal']
-                );
-                mockOriginalActionCapability = jasmine.createSpyObj(
-                    'action',
-                    ['perform', 'getActions']
-                );
-                originalPromise = new ControlledPromise();
-                mockLocationCapability.getOriginal.and.returnValue(originalPromise);
-                mockLocationCapability.isLink.and.returnValue(true);
-                mockLocationCapability.isOriginal.and.callFake(function () {
-                    return !mockLocationCapability.isLink();
-                });
-                testContext = {
-                    domainObject: domainObjectFactory({
-                        capabilities: {
-                            location: mockLocationCapability
-                        }
-                    })
-                };
-                originalDomainObject = domainObjectFactory({
-                    capabilities: {
-                        action: mockOriginalActionCapability
-                    }
-                });
-
-                action = new GoToOriginalAction(testContext);
-            });
-
-            it("is applicable to links", function () {
-                expect(GoToOriginalAction.appliesTo(testContext))
-                    .toBeTruthy();
-            });
-
-            it("is not applicable to originals", function () {
-                mockLocationCapability.isLink.and.returnValue(false);
-                expect(GoToOriginalAction.appliesTo(testContext))
-                    .toBeFalsy();
-            });
-
-            it("navigates to original objects when performed", function () {
-                expect(mockOriginalActionCapability.perform)
-                    .not.toHaveBeenCalled();
-                action.perform();
-                originalPromise.resolve(originalDomainObject);
-                expect(mockOriginalActionCapability.perform)
-                    .toHaveBeenCalledWith('navigate');
-            });
-
-        });
-    }
-);

platform/features/clock/src/indicators/ClockIndicator.js

@@ -49,7 +49,7 @@ define(
         };
 
         ClockIndicator.prototype.getCssClass = function () {
-            return "t-indicator-clock icon-clock no-collapse float-right";
+            return "t-indicator-clock icon-clock no-collapse c-indicator--not-clickable";
         };
 
         ClockIndicator.prototype.getText = function () {

platform/import-export/src/actions/ImportAsJSONAction.js

@@ -80,15 +80,17 @@ define(['zepto'], function ($) {
             var newObj;
 
             seen.push(parent.getId());
-            parentModel.composition.forEach(function (childId, index) {
-                if (!tree[childId] || seen.includes(childId)) {
+
+            parentModel.composition.forEach(function (childId) {
+                let keystring = this.openmct.objects.makeKeyString(childId);
+
+                if (!tree[keystring] || seen.includes(keystring)) {
                     return;
                 }
 
-                newObj = this.instantiate(tree[childId], childId);
-                parent.getCapability("composition").add(newObj);
+                newObj = this.instantiate(tree[keystring], keystring);
                 newObj.getCapability("location")
-                    .setPrimaryLocation(tree[childId].location);
+                    .setPrimaryLocation(tree[keystring].location);
                 this.deepInstantiate(newObj, tree, seen);
             }, this);
         }

platform/persistence/couch/src/CouchIndicator.js

@@ -100,7 +100,7 @@ define(
         }
 
         CouchIndicator.prototype.getCssClass = function () {
-            return "icon-database " + this.state.statusClass;
+            return "c-indicator--clickable icon-database " + this.state.statusClass;
         };
 
         CouchIndicator.prototype.getGlyphClass = function () {

platform/persistence/elastic/src/ElasticIndicator.js

@@ -84,7 +84,7 @@ define(
         }
 
         ElasticIndicator.prototype.getCssClass = function () {
-            return "icon-database";
+            return "c-indicator--clickable icon-database";
         };
         ElasticIndicator.prototype.getGlyphClass = function () {
             return this.state.glyphClass;

platform/persistence/local/src/LocalStorageIndicator.js

@@ -41,7 +41,7 @@ define(
         }
 
         LocalStorageIndicator.prototype.getCssClass = function () {
-            return "icon-database s-status-caution";
+            return "c-indicator--clickable icon-database s-status-caution";
         };
         LocalStorageIndicator.prototype.getGlyphClass = function () {
             return 'caution';

src/adapter/bundle.js

@@ -36,7 +36,7 @@ define([
     './runs/RegisterLegacyTypes',
     './services/LegacyObjectAPIInterceptor',
     './views/installLegacyViews',
-    './policies/legacyCompositionPolicyAdapter',
+    './policies/LegacyCompositionPolicyAdapter',
     './actions/LegacyActionAdapter'
 ], function (
     legacyRegistry,

src/adapter/views/LegacyViewProvider.js

@@ -45,15 +45,30 @@ define([
             view: function (domainObject) {
                 let $rootScope = openmct.$injector.get('$rootScope');
                 let templateLinker = openmct.$injector.get('templateLinker');
-                let scope = $rootScope.$new();
+                let scope = $rootScope.$new(true);
                 let legacyObject = convertToLegacyObject(domainObject);
                 let isDestroyed = false;
+                let unlistenToStatus;
+                let element;
                 scope.domainObject = legacyObject;
                 scope.model = legacyObject.getModel();
-
+                let child;
+                let parent;
 
                 return {
                     show: function (container) {
+                        parent = container;
+                        child = document.createElement('div');
+                        parent.appendChild(child);
+                        let statusCapability = legacyObject.getCapability('status');
+                        unlistenToStatus = statusCapability.listen((newStatus) => {
+                            child.classList.remove('s-status-timeconductor-unsynced');
+
+                            if (newStatus.includes('timeconductor-unsynced')) {
+                                child.classList.add('s-status-timeconductor-unsynced');
+                            }
+                        });
+
                         // TODO: implement "gestures" support ?
                         let uses = legacyView.uses || [];
                         let promises = [];
@@ -74,12 +89,13 @@ define([
                             uses.forEach(function (key, i) {
                                 scope[key] = results[i];
                             });
+                            element = openmct.$angular.element(child);
                             templateLinker.link(
                                 scope,
-                                openmct.$angular.element(container),
+                                element,
                                 legacyView
                             );
-                            container.classList.add('u-contents');
+                            child.classList.add('u-contents');
                         }
 
                         if (promises.length) {
@@ -93,7 +109,12 @@ define([
                         }
                     },
                     destroy: function () {
+                        element.off();
+                        element.remove();
                         scope.$destroy();
+                        element = null;
+                        scope = null;
+                        unlistenToStatus();
                     }
                 }
             },

src/adapter/views/TypeInspectorViewProvider.js

@@ -41,15 +41,18 @@ define([
                 let domainObject = selection[0][0].context.item;
                 let $rootScope = openmct.$injector.get('$rootScope');
                 let templateLinker = openmct.$injector.get('templateLinker');
-                let scope = $rootScope.$new();
+                let scope = $rootScope.$new(true);
                 let legacyObject = convertToLegacyObject(domainObject);
                 let isDestroyed = false;
+                let element;
                 scope.domainObject = legacyObject;
                 scope.model = legacyObject.getModel();
 
 
                 return {
                     show: function (container) {
+                        let child = document.createElement('div');
+                        container.appendChild(child);
                         // TODO: implement "gestures" support ?
                         let uses = representation.uses || [];
                         let promises = [];
@@ -70,9 +73,10 @@ define([
                             uses.forEach(function (key, i) {
                                 scope[key] = results[i];
                             });
+                            element = openmct.$angular.element(child)
                             templateLinker.link(
                                 scope,
-                                openmct.$angular.element(container),
+                                element,
                                 representation
                             );
                             container.style.height = '100%';
@@ -89,7 +93,11 @@ define([
                         }
                     },
                     destroy: function () {
+                        element.off();
+                        element.remove();
                         scope.$destroy();
+                        element = null;
+                        scope = null;
                     }
                 }
             }

src/api/composition/CompositionAPISpec.js

@@ -22,8 +22,20 @@ define([
             publicAPI = {};
             publicAPI.objects = jasmine.createSpyObj('ObjectAPI', [
                 'get',
-                'mutate'
+                'mutate',
+                'observe',
+                'areIdsEqual'
             ]);
+
+            publicAPI.objects.areIdsEqual.and.callFake(function (id1, id2) {
+                return id1.namespace === id2.namespace && id1.key === id2.key;
+            });
+
+            publicAPI.composition = jasmine.createSpyObj('CompositionAPI', [
+                'checkPolicy'
+            ]);
+            publicAPI.composition.checkPolicy.and.returnValue(true);
+
             publicAPI.objects.eventEmitter = jasmine.createSpyObj('eventemitter', [
                 'on'
             ]);
@@ -91,7 +103,7 @@ define([
                 beforeEach(function () {
                     listener = jasmine.createSpy('reorderListener');
                     composition.on('reorder', listener);
-                    
+
                     return composition.load();
                 });
                 it('', function () {
@@ -119,49 +131,16 @@ define([
                     expect(newComposition[2].key).toEqual('a');
                 })
             });
-
-            // TODO: Implement add/removal in new default provider.
-            xit('synchronizes changes between instances', function () {
-                var otherComposition = compositionAPI.get(domainObject);
-                var addListener = jasmine.createSpy('addListener');
-                var removeListener = jasmine.createSpy('removeListener');
-                var otherAddListener = jasmine.createSpy('otherAddListener');
-                var otherRemoveListener = jasmine.createSpy('otherRemoveListener');
+            it('supports adding an object to composition', function () {
+                let addListener = jasmine.createSpy('addListener');
+                let mockChildObject = {
+                    identifier: {key: 'mock-key', namespace: ''}
+                };
                 composition.on('add', addListener);
-                composition.on('remove', removeListener);
-                otherComposition.on('add', otherAddListener);
-                otherComposition.on('remove', otherRemoveListener);
+                composition.add(mockChildObject);
 
-                return Promise.all([composition.load(), otherComposition.load()])
-                    .then(function () {
-                        expect(addListener).toHaveBeenCalled();
-                        expect(otherAddListener).toHaveBeenCalled();
-                        expect(removeListener).not.toHaveBeenCalled();
-                        expect(otherRemoveListener).not.toHaveBeenCalled();
-
-                        var object = addListener.calls.mostRecent().args[0];
-                        composition.remove(object);
-                        expect(removeListener).toHaveBeenCalled();
-                        expect(otherRemoveListener).toHaveBeenCalled();
-
-                        addListener.reset();
-                        otherAddListener.reset();
-                        composition.add(object);
-                        expect(addListener).toHaveBeenCalled();
-                        expect(otherAddListener).toHaveBeenCalled();
-
-                        removeListener.reset();
-                        otherRemoveListener.reset();
-                        otherComposition.remove(object);
-                        expect(removeListener).toHaveBeenCalled();
-                        expect(otherRemoveListener).toHaveBeenCalled();
-
-                        addListener.reset();
-                        otherAddListener.reset();
-                        otherComposition.add(object);
-                        expect(addListener).toHaveBeenCalled();
-                        expect(otherAddListener).toHaveBeenCalled();
-                    });
+                expect(domainObject.composition.length).toBe(4);
+                expect(domainObject.composition[3]).toEqual(mockChildObject.identifier);
             });
         });
 
@@ -184,7 +163,9 @@ define([
                                 key: 'thing'
                             }
                         ]);
-                    }
+                    },
+                    add: jasmine.createSpy('add'),
+                    remove: jasmine.createSpy('remove')
                 };
                 domainObject = {
                     identifier: {
@@ -214,6 +195,25 @@ define([
                     });
                 });
             });
+            describe('Calling add or remove', function () {
+                let mockChildObject;
+
+                beforeEach(function () {
+                    mockChildObject = {
+                        identifier: {key: 'mock-key', namespace: ''}
+                    };
+                    composition.add(mockChildObject);
+                });
+
+                it('calls add on the provider', function () {
+                    expect(customProvider.add).toHaveBeenCalledWith(domainObject, mockChildObject.identifier);
+                });
+
+                it('calls remove on the provider', function () {
+                    composition.remove(mockChildObject);
+                    expect(customProvider.remove).toHaveBeenCalledWith(domainObject, mockChildObject.identifier);
+                });
+            });
         });
 
         describe('dynamic custom composition', function () {

src/api/composition/CompositionCollection.js

@@ -75,9 +75,7 @@ define([
             throw new Error('Event not supported by composition: ' + event);
         }
         if (!this.mutationListener) {
-            this.mutationListener = this.publicAPI.objects.observe(this.domainObject, '*', (newDomainObject) => {
-                this.domainObject = newDomainObject;
-            })
+            this._synchronize();
         }
         if (this.provider.on && this.provider.off) {
             if (event === 'add') {
@@ -134,10 +132,8 @@ define([
 
         this.listeners[event].splice(index, 1);
         if (this.listeners[event].length === 0) {
-            if (this.mutationListener) {
-                this.mutationListener();
-                delete this.mutationListener;
-            }
+            this._destroy();
+
             // Remove provider listener if this is the last callback to
             // be removed.
             if (this.provider.off && this.provider.on) {
@@ -181,6 +177,9 @@ define([
      */
     CompositionCollection.prototype.add = function (child, skipMutate) {
         if (!skipMutate) {
+            if (!this.publicAPI.composition.checkPolicy(this.domainObject, child)) {
+                throw `Object of type ${child.type} cannot be added to object of type ${this.domainObject.type}`;
+            }
             this.provider.add(this.domainObject, child.identifier);
         } else {
             this.emit('add', child);
@@ -272,6 +271,19 @@ define([
         this.remove(child, true);
     };
 
+    CompositionCollection.prototype._synchronize = function () {
+        this.mutationListener = this.publicAPI.objects.observe(this.domainObject, '*', (newDomainObject) => {
+            this.domainObject = JSON.parse(JSON.stringify(newDomainObject));
+        });
+    };
+
+    CompositionCollection.prototype._destroy = function () {
+        if (this.mutationListener) {
+            this.mutationListener();
+            delete this.mutationListener;
+        }
+    };
+
     /**
      * Emit events.
      * @private

src/api/composition/DefaultCompositionProvider.js

@@ -48,24 +48,11 @@ define([
         this.listeningTo = {};
         this.onMutation = this.onMutation.bind(this);
 
-        this.cannotContainDuplicates = this.cannotContainDuplicates.bind(this);
         this.cannotContainItself = this.cannotContainItself.bind(this);
 
-        compositionAPI.addPolicy(this.cannotContainDuplicates);
         compositionAPI.addPolicy(this.cannotContainItself);
     }
 
-    /**
-     * @private
-     */
-    DefaultCompositionProvider.prototype.cannotContainDuplicates = function (parent, child) {
-        return this.appliesTo(parent) &&
-            parent.composition.findIndex((composeeId) => {
-                return composeeId.namespace === child.identifier.namespace &&
-                    composeeId.key === child.identifier.key;
-            }) === -1;
-    }
-
     /**
      * @private
      */
@@ -199,9 +186,18 @@ define([
      * @memberof module:openmct.CompositionProvider#
      * @method add
      */
-    DefaultCompositionProvider.prototype.add = function (domainObject, child) {
-        throw new Error('Default Provider does not implement adding.');
-        // TODO: this needs to be synchronized via mutation
+    DefaultCompositionProvider.prototype.add = function (parent, childId) {
+        if (!this.includes(parent, childId)) {
+            parent.composition.push(childId);
+            this.publicAPI.objects.mutate(parent, 'composition', parent.composition);
+        }
+    };
+    /**
+     * @private
+     */
+    DefaultCompositionProvider.prototype.includes = function (parent, childId) {
+        return parent.composition.findIndex(composee =>
+            this.publicAPI.objects.areIdsEqual(composee, childId)) !== -1;
     };
 
     DefaultCompositionProvider.prototype.reorder = function (domainObject, oldIndex, newIndex) {

src/api/indicators/res/indicator-template.html

@@ -1,3 +1,3 @@
-<div class="ls-indicator" title="">
+<div class="c-indicator c-indicator--clickable c-indicator--simple" title="">
     <span class="label indicator-text"></span>
 </div>

src/api/overlays/components/OverlayComponent.vue

@@ -92,6 +92,7 @@
             display: flex;
             flex-direction: column;
             flex: 1 1 auto;
+            height: 0; // Chrome 73 overflow bug fix
             overflow: auto;
             padding-right: $interiorMargin; // fend off scroll bar
         }

src/plugins/LADTable/LADTableViewProvider.js

@@ -21,7 +21,7 @@
  *****************************************************************************/
 
 define([
-    './components/LadTable.vue',
+    './components/LADTable.vue',
     'vue'
 ], function (
     LadTableComponent,

src/plugins/LADTable/components/LADTable.vue

@@ -41,7 +41,7 @@
 
 <script>
 import lodash from 'lodash';
-import LadRow from './LadRow.vue';
+import LadRow from './LADRow.vue';
 
 export default {
     inject: ['openmct', 'domainObject'],

src/plugins/LADTable/components/LadTableSet.vue

@@ -52,7 +52,7 @@
 
 <script>
     import lodash from 'lodash';
-    import LadRow from './LadRow.vue';
+    import LadRow from './LADRow.vue';
 
     export default {
     inject: ['openmct', 'domainObject'],

src/plugins/displayLayout/components/DisplayLayout.vue

@@ -269,33 +269,63 @@
                     _.cloneDeep(this.selectedLayoutItems).forEach(selectedItem => {
                         if (selectedItem.type === 'line-view') {
                             this.initialPositions[selectedItem.id] = [selectedItem.x, selectedItem.y, selectedItem.x2, selectedItem.y2];
+                            this.startingMinX2 = this.startingMinX2 !== undefined ? Math.min(this.startingMinX2, selectedItem.x2) : selectedItem.x2;
+                            this.startingMinY2 = this.startingMinY2 !== undefined ? Math.min(this.startingMinY2, selectedItem.y2) : selectedItem.y2;
                         } else {
                             this.initialPositions[selectedItem.id] = [selectedItem.x, selectedItem.y];
                         }
+
+                        this.startingMinX = this.startingMinX !== undefined ? Math.min(this.startingMinX, selectedItem.x) : selectedItem.x;
+                        this.startingMinY = this.startingMinY !== undefined ? Math.min(this.startingMinY, selectedItem.y) : selectedItem.y;
                     });
                 }
 
                 let layoutItems = this.layoutItems.map(item => {
                     if (this.initialPositions[item.id]) {
-                        let startingPosition = this.initialPositions[item.id];
-                        let [startingX, startingY, startingX2, startingY2] = startingPosition;
-                        item.x = startingX + gridDelta[0];
-                        item.y = startingY + gridDelta[1];
-
-                        if (item.x2) {
-                            item.x2 = startingX2 + gridDelta[0];
-                        }
-
-                        if (item.y2) {
-                            item.y2 = startingY2 + gridDelta[1];
-                        }
+                        this.updateItemPosition(item, gridDelta);
                     }
                     return item;
                 });
             },
+            updateItemPosition(item, gridDelta) {
+                let startingPosition = this.initialPositions[item.id];
+                let [startingX, startingY, startingX2, startingY2] = startingPosition;
+
+                if (this.startingMinX + gridDelta[0] >= 0) {
+                    if (item.x2 !== undefined) {
+                        if (this.startingMinX2 + gridDelta[0] >= 0) {
+                            item.x = startingX + gridDelta[0];
+                        }
+                    } else {
+                        item.x = startingX + gridDelta[0];
+                    }
+                }
+
+                if (this.startingMinY + gridDelta[1] >= 0) {
+                    if (item.y2 !== undefined) {
+                        if (this.startingMinY2 + gridDelta[1] >= 0) {
+                            item.y = startingY + gridDelta[1];
+                        }
+                    } else {
+                        item.y = startingY + gridDelta[1];
+                    }
+                }
+
+                if (item.x2 !== undefined && this.startingMinX2 + gridDelta[0] >= 0 && this.startingMinX + gridDelta[0] >= 0) {
+                    item.x2 = startingX2 + gridDelta[0];
+                }
+
+                if (item.y2 !== undefined && this.startingMinY2 + gridDelta[1] >= 0 && this.startingMinY + gridDelta[1] >= 0) {
+                    item.y2 = startingY2 + gridDelta[1];
+                }
+            },
             endMove() {
                 this.mutate('configuration.items', this.layoutItems);
                 this.initialPositions = undefined;
+                this.startingMinX = undefined;
+                this.startingMinY = undefined;
+                this.startingMinX2 = undefined;
+                this.startingMinY2 = undefined;
             },
             mutate(path, value) {
                 this.openmct.objects.mutate(this.internalDomainObject, path, value);

src/plugins/displayLayout/components/EditMarquee.vue

@@ -116,7 +116,7 @@
                 let height = Number.NEGATIVE_INFINITY;
 
                 this.selectedLayoutItems.forEach(item => {
-                    if (item.x2) {
+                    if (item.x2 !== undefined) {
                         let lineWidth = Math.abs(item.x - item.x2);
                         let lineMinX = Math.min(item.x, item.x2);
                         x = Math.min(lineMinX, x);
@@ -126,7 +126,7 @@
                         width = Math.max(item.width + item.x, width);
                     }
 
-                    if (item.y2) {
+                    if (item.y2 !== undefined) {
                         let lineHeight = Math.abs(item.y - item.y2);
                         let lineMinY = Math.min(item.y, item.y2);
                         y = Math.min(lineMinY, y);

src/plugins/displayLayout/components/SubobjectView.vue

@@ -22,6 +22,7 @@
 <template>
     <layout-frame :item="item"
                   :grid-size="gridSize"
+                  :title="domainObject && domainObject.name"
                   @move="(gridDelta) => $emit('move', gridDelta)"
                   @endMove="() => $emit('endMove')">
         <object-frame v-if="domainObject"

src/plugins/displayLayout/components/TelemetryView.vue

@@ -176,7 +176,8 @@
                 let options = {
                     start: bounds.start,
                     end: bounds.end,
-                    size: 1
+                    size: 1,
+                    strategy: 'latest'
                 };
                 this.openmct.telemetry.request(this.domainObject, options)
                     .then(data => {

src/plugins/filters/components/FilterField.vue

@@ -42,7 +42,10 @@
 
                 <!-- Checkbox list, NOT editing -->
                 <template v-if="filter.possibleValues && !isEditing">
-                    <span>{{persistedFilters[filter.comparator].join(', ')}}</span>
+                    <span 
+                        v-if="persistedFilters[filter.comparator]">
+                        {{persistedFilters[filter.comparator].join(', ')}}
+                    </span>
                 </template>
             </div>
         </li>

src/plugins/filters/components/FilterObject.vue

@@ -69,16 +69,17 @@ export default {
                 }
             } else {
                 if (!this.updatedFilters[key]) {
-                    this.updatedFilters[key] = {};
+                    this.$set(this.updatedFilters, key, {});
                 }
-                this.updatedFilters[key][comparator] = [value ? valueName : undefined];
+                this.$set(this.updatedFilters[key], comparator, [value ? valueName : undefined]);
             }
 
             this.$emit('updateFilters', this.keyString, this.updatedFilters);
         },
         updateTextFilter(key, comparator, value) {
             if (!this.updatedFilters[key]) {
-                this.updatedFilters[key] = {};
+                this.$set(this.updatedFilters, key, {});
+                this.$set(this.updatedFilters[key], comparator, '');
             }
             this.updatedFilters[key][comparator] = value;
             this.$emit('updateFilters', this.keyString, this.updatedFilters);

src/plugins/flexibleLayout/components/flexibleLayout.vue

@@ -113,7 +113,8 @@
 
         &__container-holder {
             display: flex;
-            flex: 1 1 100%; // Must needs to be 100% to work
+            flex: 1 1 100%; // Must be 100% to work
+            overflow: auto;
 
             // Columns by default
             flex-direction: row;

src/plugins/globalClearIndicator/components/globalClearIndicator.vue

@@ -0,0 +1,18 @@
+<template>
+    <div class="c-indicator c-indicator--clickable icon-session">
+        <span class="label">
+            <button @click="globalClearEmit">Clear All Data</button>
+        </span>
+    </div>
+</template>
+
+<script>
+export default {
+    inject: ['openmct'],
+    methods: {
+        globalClearEmit() {
+            this.openmct.notifications.emit('clear');
+        }
+    }
+}
+</script>

src/plugins/globalClearIndicator/plugin.js

@@ -0,0 +1,48 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2019, 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([
+    './components/globalClearIndicator.vue',
+    'vue'
+], function (
+    GlobaClearIndicator,
+    Vue
+) {
+    return function plugin() {
+        return function install(openmct) {
+            let component = new Vue ({
+                    provide: {
+                        openmct
+                    },
+                    components: {
+                        GlobalClearIndicator: GlobaClearIndicator.default
+                    },
+                    template: '<GlobalClearIndicator></GlobalClearIndicator>'
+                }),
+                indicator = {
+                    element: component.$mount().$el
+                };
+
+            openmct.indicators.add(indicator);
+        };
+    };
+});

src/plugins/goToOriginalAction/goToOriginalAction.js

@@ -0,0 +1,53 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2018, 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.
+ *****************************************************************************/
+
+export default class GoToOriginalAction {
+    constructor(openmct) {
+        this.name = 'Go To Original';
+        this.description = 'Go to the original unlinked instance of this object';
+
+        this._openmct = openmct;
+    }
+    invoke(objectPath) {
+        this._openmct.objects.getOriginalPath(objectPath[0].identifier)
+            .then((originalPath) => {
+                let url = '#/browse/' + originalPath
+                    .map(function (o) {
+                        return o && this._openmct.objects.makeKeyString(o.identifier);
+                    }.bind(this))
+                    .reverse()
+                    .slice(1)
+                    .join('/');
+
+                window.location.href = url;
+            });
+    }
+    appliesTo(objectPath) {
+        let parentKeystring = objectPath[1] && this._openmct.objects.makeKeyString(objectPath[1].identifier);
+
+        if (!parentKeystring) {
+            return false;
+        }
+
+        return (parentKeystring !== objectPath[0].location);
+    }
+}

src/plugins/goToOriginalAction/plugin.js

@@ -0,0 +1,28 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2018, 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 GoToOriginalAction from './goToOriginalAction';
+
+export default function () {
+    return function (openmct) {
+        openmct.contextMenu.registerAction(new GoToOriginalAction(openmct));
+    };
+}

src/plugins/objectMigration/Migrations.js

@@ -64,35 +64,45 @@ define([
             Object.keys(panels).forEach(key => {
                 let panel = panels[key];
                 let domainObject = childObjects[key];
+                let identifier = undefined;
 
                 if (isTelemetry(domainObject)) {
-                    items.push({
-                        width: panel.dimensions[0],
-                        height: panel.dimensions[1],
-                        x: panel.position[0],
-                        y: panel.position[1],
-                        identifier: domainObject.identifier,
-                        id: uuid(),
-                        type: 'telemetry-view',
-                        displayMode: 'all',
-                        value: openmct.telemetry.getMetadata(domainObject).getDefaultDisplayValue(),
-                        stroke: "transparent",
-                        fill: "",
-                        color: "",
-                        size: "13px"
-                    });
-                } else {
-                    items.push({
-                        width: panel.dimensions[0],
-                        height: panel.dimensions[1],
-                        x: panel.position[0],
-                        y: panel.position[1],
-                        identifier: domainObject.identifier,
-                        id: uuid(),
-                        type: 'subobject-view',
-                        hasFrame: panel.hasFrame
+                    // If object is a telemetry point, convert it to a plot and
+                    // replace the object in migratedObject composition with the plot.
+                    identifier = {
+                        key: uuid(),
+                        namespace: migratedObject.identifier.namespace
+                    };
+                    let plotObject = {
+                        identifier: identifier,
+                        location: domainObject.location,
+                        name: domainObject.name,
+                        type: "telemetry.plot.overlay"
+                    };
+                    let plotType = openmct.types.get('telemetry.plot.overlay');
+                    plotType.definition.initialize(plotObject);
+                    plotObject.composition.push(domainObject.identifier);
+                    openmct.objects.mutate(plotObject, 'persisted', Date.now());
+
+                    let keyString = openmct.objects.makeKeyString(domainObject.identifier);
+                    let clonedComposition = Object.assign([], migratedObject.composition);
+                    clonedComposition.forEach((identifier, index) => {
+                        if (openmct.objects.makeKeyString(identifier) === keyString) {
+                            migratedObject.composition[index] = plotObject.identifier;
+                        }
                     });
                 }
+
+                items.push({
+                    width: panel.dimensions[0],
+                    height: panel.dimensions[1],
+                    x: panel.position[0],
+                    y: panel.position[1],
+                    identifier: identifier || domainObject.identifier,
+                    id: uuid(),
+                    type: 'subobject-view',
+                    hasFrame: panel.hasFrame
+                });
             });
 
             migratedObject.configuration.items = items;
@@ -167,7 +177,9 @@ define([
         return [
             {
                 check(domainObject) {
-                    return domainObject.type === 'layout' && domainObject.configuration.layout;
+                    return domainObject.type === 'layout' &&
+                        domainObject.configuration &&
+                        domainObject.configuration.layout;
                 },
                 migrate(domainObject) {
                     let childObjects = {};
@@ -186,7 +198,9 @@ define([
             },
             {
                 check(domainObject) {
-                    return domainObject.type === 'telemetry.fixed' && domainObject.configuration['fixed-display'];
+                    return domainObject.type === 'telemetry.fixed' &&
+                        domainObject.configuration &&
+                        domainObject.configuration['fixed-display'];
                 },
                 migrate(domainObject) {
                     const DEFAULT_GRID_SIZE = [64, 16];
@@ -224,6 +238,7 @@ define([
             {
                 check(domainObject) {
                     return domainObject.type === 'table' &&
+                        domainObject.configuration &&
                         domainObject.configuration.table;
                 },
                 migrate(domainObject) {

src/plugins/plot/res/templates/stacked-plot.html

@@ -43,12 +43,16 @@
     <div class="l-view-section">
         <div class="c-loading--overlay loading"
              ng-show="!!currentRequest.pending"></div>
-        <div class="gl-plot child-frame"
+        <div class="gl-plot child-frame u-inspectable"
             ng-repeat="telemetryObject in telemetryObjects"
             ng-class="{
                 's-status-timeconductor-unsynced': telemetryObject
                     .getCapability('status')
                     .get('timeconductor-unsynced')
+            }"
+            mct-selectable="{
+                item: telemetryObject.useCapability('adapter'),
+                oldItem: telemetryObject
             }">
             <mct-overlay-plot domain-object="telemetryObject"></mct-overlay-plot>
         </div>

src/plugins/plot/src/configuration/Collection.js

@@ -115,11 +115,13 @@ define([
 
     Collection.prototype.remove = function (model) {
         var index = this.indexOf(model);
+
         if (index === -1) {
             throw new Error('model not found in collection.');
         }
-        this.models.splice(index, 1);
+
         this.emit('remove', model, index);
+        this.models.splice(index, 1);
     };
 
     Collection.prototype.destroy = function (model) {

src/plugins/plot/src/configuration/PlotSeries.js

@@ -377,6 +377,19 @@ define([
                 delete this.unsubscribe;
             }
             this.fetch();
+        },
+
+        /**
+         * Clears the plot series, unsubscribes and resubscribes
+         * @public
+         */
+        refresh: function () {
+            this.reset();
+            if (this.unsubscribe) {
+                this.unsubscribe();
+                delete this.unsubscribe;
+            }
+            this.fetch();
         }
     });
 

src/plugins/plot/src/configuration/SeriesCollection.js

@@ -100,19 +100,33 @@ define([
         removeTelemetryObject: function (identifier) {
             var plotObject = this.plot.get('domainObject');
             if (plotObject.type === 'telemetry.plot.overlay') {
-                var index = _.findIndex(plotObject.configuration.series, function (s) {
+
+                var persistedIndex = _.findIndex(plotObject.configuration.series, function (s) {
                     return _.isEqual(identifier, s.identifier);
                 });
-                this.remove(this.at(index));
-                // Because this is triggered by a composition change, we have
-                // to defer mutation of our plot object, otherwise we might
-                // mutate an outdated version of the plotObject.
-                setTimeout(function () {
-                    var newPlotObject = this.plot.get('domainObject');
-                    var cSeries = newPlotObject.configuration.series.slice();
-                    cSeries.splice(index, 1);
-                    this.openmct.objects.mutate(newPlotObject, 'configuration.series', cSeries);
-                }.bind(this));
+
+                var configIndex = _.findIndex(this.models, function (m) {
+                    return _.isEqual(m.domainObject.identifier, identifier);
+                });
+
+                /*
+                    when cancelling out of edit mode, the config store and domain object are out of sync
+                    thus it is necesarry to check both and remove the models that are no longer in composition
+                */
+                if (persistedIndex === -1) {
+                    this.remove(this.at(configIndex));
+                } else {
+                    this.remove(this.at(persistedIndex));
+                    // Because this is triggered by a composition change, we have
+                    // to defer mutation of our plot object, otherwise we might
+                    // mutate an outdated version of the plotObject.
+                    setTimeout(function () {
+                        var newPlotObject = this.plot.get('domainObject');
+                        var cSeries = newPlotObject.configuration.series.slice();
+                        cSeries.splice(persistedIndex, 1);
+                        this.openmct.objects.mutate(newPlotObject, 'configuration.series', cSeries);
+                    }.bind(this));
+                }
             }
         },
         onSeriesAdd: function (series) {

src/plugins/plot/src/configuration/configStore.js

@@ -25,23 +25,11 @@ define([
 
     function ConfigStore() {
         this.store = {};
-        this.tracking = {};
     }
 
-    ConfigStore.prototype.track = function (id) {
-        if (!this.tracking[id]) {
-            this.tracking[id] = 0;
-        }
-        this.tracking[id] += 1;
-    };
-
-    ConfigStore.prototype.untrack = function (id) {
-        this.tracking[id] -= 1;
-        if (this.tracking[id] <= 0) {
-            delete this.tracking[id];
-            this.store[id].destroy();
-            delete this.store[id];
-        }
+    ConfigStore.prototype.deleteStore = function (id) {
+        this.store[id].destroy();
+        delete this.store[id];
     };
 
     ConfigStore.prototype.add = function (id, config) {

src/plugins/plot/src/inspector/PlotOptionsController.js

@@ -49,7 +49,6 @@ define([
     };
 
     PlotOptionsController.prototype.destroy = function () {
-        configStore.untrack(this.configId);
         this.stopListening();
         this.unlisten();
     };
@@ -60,7 +59,7 @@ define([
             this.$timeout(this.setUpScope.bind(this));
             return;
         }
-        configStore.track(this.configId);
+
         this.config = this.$scope.config = config;
         this.$scope.plotSeries = [];
 

src/plugins/plot/src/plot/MCTPlotController.js

@@ -282,11 +282,19 @@ define([
     };
 
     MCTPlotController.prototype.zoom = function (zoomDirection, zoomFactor) {
+        var currentXaxis = this.$scope.xAxis.get('displayRange'),
+            currentYaxis = this.$scope.yAxis.get('displayRange');
+
+        // when there is no plot data, the ranges can be undefined
+        // in which case we should not perform zoom
+        if (!currentXaxis || !currentYaxis) {
+            return;
+        }
+
         this.freeze();
         this.trackHistory();
-        var currentXaxis = this.$scope.xAxis.get('displayRange'),
-            currentYaxis = this.$scope.yAxis.get('displayRange'),
-            xAxisDist= (currentXaxis.max - currentXaxis.min) * zoomFactor,
+
+        var xAxisDist= (currentXaxis.max - currentXaxis.min) * zoomFactor,
             yAxisDist = (currentYaxis.max - currentYaxis.min) * zoomFactor;
 
         if (zoomDirection === 'in') {
@@ -322,12 +330,19 @@ define([
             return;
         }
 
+        let xDisplayRange = this.$scope.xAxis.get('displayRange'),
+            yDisplayRange = this.$scope.yAxis.get('displayRange');
+
+        // when there is no plot data, the ranges can be undefined
+        // in which case we should not perform zoom
+        if (!xDisplayRange || !yDisplayRange) {
+            return;
+        }
+
         this.freeze();
         window.clearTimeout(this.stillZooming);
 
-        let xDisplayRange = this.$scope.xAxis.get('displayRange'),
-            yDisplayRange = this.$scope.yAxis.get('displayRange'),
-            xAxisDist = (xDisplayRange.max - xDisplayRange.min),
+        let xAxisDist = (xDisplayRange.max - xDisplayRange.min),
             yAxisDist = (yDisplayRange.max - yDisplayRange.min),
             xDistMouseToMax = xDisplayRange.max - this.positionOverPlot.x,
             xDistMouseToMin = this.positionOverPlot.x - xDisplayRange.min,

src/plugins/plot/src/telemetry/PlotController.js

@@ -80,6 +80,10 @@ define([
             'configuration.filters',
             this.updateFiltersAndResubscribe.bind(this)
         );
+
+        this.refresh = this.refresh.bind(this);
+
+        this.openmct.notifications.on('clear', this.refresh);
     }
 
     eventHelpers.extend(PlotController.prototype);
@@ -148,7 +152,6 @@ define([
             });
             configStore.add(configId, config);
         }
-        configStore.track(configId);
         return config;
     };
 
@@ -157,7 +160,8 @@ define([
     };
 
     PlotController.prototype.destroy = function () {
-        configStore.untrack(this.config.id);
+        configStore.deleteStore(this.config.id);
+
         this.stopListening();
         if (this.checkForSize) {
             clearInterval(this.checkForSize);
@@ -166,6 +170,8 @@ define([
         if (this.filterObserver) {
             this.filterObserver();
         }
+
+        this.openmct.notifications.off('clear', this.refresh);
     };
 
     PlotController.prototype.loadMoreData = function (range, purge) {
@@ -263,6 +269,12 @@ define([
         });
     };
 
+    PlotController.prototype.refresh = function (updatedFilters) {
+        this.config.series.forEach(function (series) {
+            series.refresh();
+        });
+    };
+
     /**
      * Export view as JPG.
      */

src/plugins/plot/src/telemetry/StackedPlotController.js

@@ -79,6 +79,15 @@ define([
                     $scope.$broadcast('plot:tickWidth', _.max(tickWidthMap));
                 }
             }
+
+            function compositionReorder(reorderPlan) {
+                let oldComposition = telemetryObjects.slice();
+
+                reorderPlan.forEach((reorder) => {
+                    telemetryObjects[reorder.newIndex] = oldComposition[reorder.oldIndex];
+                });
+            }
+
             thisRequest.pending += 1;
             openmct.objects.get(domainObject.getId())
                 .then(function (obj) {
@@ -89,10 +98,12 @@ define([
                     composition = openmct.composition.get(obj);
                     composition.on('add', addChild);
                     composition.on('remove', removeChild);
+                    composition.on('reorder', compositionReorder);
                     composition.load();
                     unlisten = function () {
                         composition.off('add', addChild);
                         composition.off('remove', removeChild);
+                        composition.off('reorder', compositionReorder);
                     };
                 });
         }

src/plugins/plugins.js

@@ -23,6 +23,7 @@
 define([
     'lodash',
     './utcTimeSystem/plugin',
+    './localTimeSystem/plugin',
     '../../example/generator/plugin',
     './autoflow/AutoflowTabularPlugin',
     './timeConductor/plugin',
@@ -41,10 +42,13 @@ define([
     './tabs/plugin',
     './LADTable/plugin',
     './filters/plugin',
-    './objectMigration/plugin'
+    './objectMigration/plugin',
+    './goToOriginalAction/plugin',
+    './globalClearIndicator/plugin'
 ], function (
     _,
     UTCTimeSystem,
+    LocalTimeSystem,
     GeneratorPlugin,
     AutoflowPlugin,
     TimeConductorPlugin,
@@ -63,7 +67,9 @@ define([
     Tabs,
     LADTable,
     Filters,
-    ObjectMigration
+    ObjectMigration,
+    GoToOriginalAction,
+    GlobalClearIndicator
 ) {
     var bundleMap = {
         LocalStorage: 'platform/persistence/local',
@@ -79,6 +85,7 @@ define([
     });
 
     plugins.UTCTimeSystem = UTCTimeSystem;
+    plugins.LocalTimeSystem = LocalTimeSystem;
 
     plugins.ImportExport = ImportExport;
 
@@ -160,6 +167,8 @@ define([
     plugins.LADTable = LADTable;
     plugins.Filters = Filters;
     plugins.ObjectMigration = ObjectMigration.default;
+    plugins.GoToOriginalAction = GoToOriginalAction.default;
+    plugins.GlobalClearIndicator = GlobalClearIndicator;
 
     return plugins;
 });

src/plugins/summaryWidget/src/Condition.js

@@ -70,16 +70,14 @@ define([
          */
         function onValueInput(event) {
             var elem = event.target,
-                value = (isNaN(elem.valueAsNumber) ? elem.value : elem.valueAsNumber),
+                value = isNaN(Number(elem.value)) ? elem.value : Number(elem.value),
                 inputIndex = self.valueInputs.indexOf(elem);
 
-            if (elem.tagName.toUpperCase() === 'INPUT') {
-                self.eventEmitter.emit('change', {
-                    value: value,
-                    property: 'values[' + inputIndex + ']',
-                    index: self.index
-                });
-            }
+            self.eventEmitter.emit('change', {
+                value: value,
+                property: 'values[' + inputIndex + ']',
+                index: self.index
+            });
         }
 
         this.listenTo(this.deleteButton, 'click', this.remove, this);
@@ -108,8 +106,7 @@ define([
         Object.values(this.selects).forEach(function (select) {
             $('.t-configuration', self.domElement).append(select.getDOM());
         });
-
-        this.listenTo($(this.domElement), 'input', onValueInput);
+        this.listenTo($('.t-value-inputs', this.domElement), 'input', onValueInput);
     }
 
     Condition.prototype.getDOM = function (container) {
@@ -167,7 +164,9 @@ define([
 
     /**
      * When an operation is selected, create the appropriate value inputs
-     * and add them to the view
+     * and add them to the view. If an operation is of type enum, create
+     * a drop-down menu instead.
+     *
      * @param {string} operation The key of currently selected operation
      */
     Condition.prototype.generateValueInputs = function (operation) {
@@ -176,25 +175,49 @@ define([
             inputCount,
             inputType,
             newInput,
-            index = 0;
+            index = 0,
+            emitChange = false;
 
         inputArea.html('');
         this.valueInputs = [];
+        this.config.values = [];
 
         if (evaluator.getInputCount(operation)) {
             inputCount = evaluator.getInputCount(operation);
             inputType = evaluator.getInputType(operation);
+
             while (index < inputCount) {
-                if (!this.config.values[index]) {
-                    this.config.values[index] = (inputType === 'number' ? 0 : '');
+                if (inputType === 'select') {
+                    newInput = $('<select>' + this.generateSelectOptions() + '</select>');
+                    emitChange = true;
+                } else {
+                    this.config.values[index] = inputType === 'number' ? 0 : '';
+                    newInput = $('<input type = "' + inputType + '" value = "' + this.config.values[index] + '"> </input>');
                 }
-                newInput = $('<input type = "' + inputType + '" value = "' + this.config.values[index] + '"> </input>');
+
                 this.valueInputs.push(newInput.get(0));
                 inputArea.append(newInput);
                 index += 1;
             }
+
+            if (emitChange) {
+                this.eventEmitter.emit('change', {
+                    value: Number(newInput[0].options[0].value),
+                    property: 'values[0]',
+                    index: this.index
+                });
+            }
         }
     };
 
+    Condition.prototype.generateSelectOptions = function () {
+        let telemetryMetadata = this.conditionManager.getTelemetryMetadata(this.config.object);
+        let options = '';
+        telemetryMetadata[this.config.key].enumerations.forEach(enumeration => {
+            options += '<option value="' + enumeration.value + '">'+ enumeration.string + '</option>';
+        });
+        return options;
+    };
+
     return Condition;
 });

src/plugins/summaryWidget/src/ConditionEvaluator.js

@@ -24,7 +24,8 @@ define([], function () {
          */
         this.inputTypes = {
             number: 'number',
-            string: 'text'
+            string: 'text',
+            enum: 'select'
         };
 
         /**
@@ -34,7 +35,8 @@ define([], function () {
          */
         this.inputValidators = {
             number: this.validateNumberInput,
-            string: this.validateStringInput
+            string: this.validateStringInput,
+            enum: this.validateNumberInput
         };
 
         /**
@@ -201,7 +203,7 @@ define([], function () {
                     return typeof input[0] === 'undefined';
                 },
                 text: 'is undefined',
-                appliesTo: ['string', 'number'],
+                appliesTo: ['string', 'number', 'enum'],
                 inputCount: 0,
                 getDescription: function () {
                     return ' is undefined';
@@ -212,11 +214,33 @@ define([], function () {
                     return typeof input[0] !== 'undefined';
                 },
                 text: 'is defined',
-                appliesTo: ['string', 'number'],
+                appliesTo: ['string', 'number', 'enum'],
                 inputCount: 0,
                 getDescription: function () {
                     return ' is defined';
                 }
+            },
+            enumValueIs: {
+                operation: function (input) {
+                    return input[0] === input[1];
+                },
+                text: 'is',
+                appliesTo: ['enum'],
+                inputCount: 1,
+                getDescription: function (values) {
+                    return ' == ' + values[0];
+                }
+            },
+            enumValueIsNot: {
+                operation: function (input) {
+                    return input[0] !== input[1];
+                },
+                text: 'is not',
+                appliesTo: ['enum'],
+                inputCount: 1,
+                getDescription: function (values) {
+                    return ' != ' + values[0];
+                }
             }
         };
     }
@@ -310,13 +334,16 @@ define([], function () {
             validator;
 
         if (cache[object] && typeof cache[object][key] !== 'undefined') {
-            telemetryValue = [cache[object][key]];
+            let value = cache[object][key];
+            telemetryValue = [isNaN(Number(value)) ? value : Number(value)];
         }
+
         op = this.operations[operation] && this.operations[operation].operation;
         input = telemetryValue && telemetryValue.concat(values);
         validator = op && this.inputValidators[this.operations[operation].appliesTo[0]];
+
         if (op && input && validator) {
-            if (this.operations[operation].appliesTo.length === 2) {
+            if (this.operations[operation].appliesTo.length > 1) {
                 return (this.validateNumberInput(input) || this.validateStringInput(input)) && op(input);
             } else {
                 return validator(input) && op(input);
@@ -372,7 +399,7 @@ define([], function () {
     };
 
     /**
-     * Returns true only of the given operation applies to a given type
+     * Returns true only if the given operation applies to a given type
      * @param {string} key The key of the operation
      * @param {string} type The value type to query
      * @returns {boolean} True if the condition applies, false otherwise

src/plugins/summaryWidget/src/ConditionManager.js

@@ -130,7 +130,9 @@ define ([
         this.telemetryTypesById[objectId] = {};
         Object.values(this.telemetryMetadataById[objectId]).forEach(function (valueMetadata) {
             var type;
-            if (valueMetadata.hints.hasOwnProperty('range')) {
+            if (valueMetadata.enumerations !== undefined) {
+                type = 'enum';
+            } else if (valueMetadata.hints.hasOwnProperty('range')) {
                 type = 'number';
             } else if (valueMetadata.hints.hasOwnProperty('domain')) {
                 type = 'number';
@@ -163,11 +165,18 @@ define ([
      * @param {datum} datum The new data from the telemetry source
      * @private
      */
-    ConditionManager.prototype.handleSubscriptionCallback = function (objId, datum) {
-        this.subscriptionCache[objId] = datum;
+    ConditionManager.prototype.handleSubscriptionCallback = function (objId, telemetryDatum) {
+        this.subscriptionCache[objId] = this.createNormalizedDatum(objId, telemetryDatum);
         this.eventEmitter.emit('receiveTelemetry');
     };
 
+    ConditionManager.prototype.createNormalizedDatum = function (objId, telemetryDatum) {
+        return Object.values(this.telemetryMetadataById[objId]).reduce((normalizedDatum, metadatum) => {
+            normalizedDatum[metadatum.key] = telemetryDatum[metadatum.source];
+            return normalizedDatum;
+        }, {});
+    };
+
     /**
      * Event handler for an add event in this Summary Widget's composition.
      * Sets up subscription handlers and parses its property types.
@@ -236,6 +245,7 @@ define ([
                 id.namespace === identifier.namespace;
         });
         delete this.compositionObjs[objectId];
+        delete this.subscriptionCache[objectId];
         this.subscriptions[objectId](); //unsubscribe from telemetry source
         delete this.subscriptions[objectId];
         this.eventEmitter.emit('remove', identifier);

src/plugins/summaryWidget/src/input/OperationSelect.js

@@ -110,9 +110,11 @@ define([
 
         type = self.manager.getTelemetryPropertyType(self.config.object, key);
 
-        self.operationKeys = operations.filter(function (operation) {
-            return self.evaluator.operationAppliesTo(operation, type);
-        });
+        if (type !== undefined) {
+            self.operationKeys = operations.filter(function (operation) {
+                return self.evaluator.operationAppliesTo(operation, type);
+            });
+        }
     };
 
     OperationSelect.prototype.destroy = function () {

src/plugins/summaryWidget/src/telemetry/SummaryWidgetMetadataProvider.js

@@ -38,7 +38,7 @@ define([
         return this.openmct.time.getAllTimeSystems().map(function (ts, i) {
             return {
                 key: ts.key,
-                name: 'UTC',
+                name: ts.name,
                 format: ts.timeFormat,
                 hints: {
                     domain: i
@@ -64,7 +64,7 @@ define([
             // Generally safe assumption is that we have one domain per timeSystem.
             values: this.getDomains().concat([
                 {
-                    name: 'state',
+                    name: 'State',
                     key: 'state',
                     source: 'ruleIndex',
                     format: 'enum',

src/plugins/summaryWidget/src/telemetry/operations.js

@@ -174,7 +174,7 @@ define([
                 return typeof input[0] === 'undefined';
             },
             text: 'is undefined',
-            appliesTo: ['string', 'number'],
+            appliesTo: ['string', 'number', 'enum'],
             inputCount: 0,
             getDescription: function () {
                 return ' is undefined';
@@ -185,11 +185,33 @@ define([
                 return typeof input[0] !== 'undefined';
             },
             text: 'is defined',
-            appliesTo: ['string', 'number'],
+            appliesTo: ['string', 'number', 'enum'],
             inputCount: 0,
             getDescription: function () {
                 return ' is defined';
             }
+        },
+        enumValueIs: {
+            operation: function (input) {
+                return input[0] === input[1];
+            },
+            text: 'is',
+            appliesTo: ['enum'],
+            inputCount: 1,
+            getDescription: function (values) {
+                return ' == ' + values[0];
+            }
+        },
+        enumValueIsNot: {
+            operation: function (input) {
+                return input[0] !== input[1];
+            },
+            text: 'is not',
+            appliesTo: ['enum'],
+            inputCount: 1,
+            getDescription: function (values) {
+                return ' != ' + values[0];
+            }
         }
     };
 

src/plugins/tabs/components/tabs.vue

@@ -7,7 +7,8 @@
             }">
             <div class="c-drop-hint"
                  @drop="onDrop"
-                 ref="dropHint">
+                 @dragenter="dragenter"
+                 @dragleave="dragleave">
             </div>
             <div class="c-tabs-view__empty-message"
                  v-if="!tabsList.length > 0">Drag objects here to add them to this view.</div>
@@ -197,13 +198,6 @@ export default {
 
         document.addEventListener('dragstart', this.dragstart);
         document.addEventListener('dragend', this.dragend);
-
-        let dropHint = this.$refs.dropHint;
-
-        if (dropHint) {
-            dropHint.addEventListener('dragenter', this.dragenter);
-            dropHint.addEventListener('dragleave', this.dragleave);
-        }
     },
     destroyed() {
         this.composition.off('add', this.addItem);
@@ -212,12 +206,6 @@ export default {
 
         document.removeEventListener('dragstart', this.dragstart);
         document.removeEventListener('dragend', this.dragend);
-    },
-    beforeDestroy() {
-        let dropHint = this.$refs.dropHint;
-
-        dropHint.removeEventListener('dragenter', this.dragenter);
-        dropHint.removeEventListener('dragleave', this.dragleave);
     }
 }
 </script>

src/plugins/telemetryTable/TelemetryTable.js

@@ -62,6 +62,7 @@ define([
 
             openmct.time.on('bounds', this.refreshData);
             openmct.time.on('timeSystem', this.refreshData);
+            openmct.notifications.on('clear', this.refreshData);
         }
 
         initialize() {
@@ -239,7 +240,8 @@ define([
             this.filteredRows.destroy();
             Object.keys(this.subscriptions).forEach(this.unsubscribe, this);
             this.openmct.time.off('bounds', this.refreshData);
-            this.openmct.time.on('timeSystem', this.refreshData);
+            this.openmct.time.off('timeSystem', this.refreshData);
+            this.openmct.notifications.off('clear', this.refreshData);
             if (this.filterObserver) {
                 this.filterObserver();
             }

src/plugins/telemetryTable/collections/BoundedTableRowCollection.js

@@ -31,9 +31,9 @@ define(
     ) {
 
         class BoundedTableRowCollection extends SortedTableRowCollection {
-            constructor (openmct) {
+            constructor(openmct) {
                 super();
-                
+
                 this.futureBuffer = new SortedTableRowCollection();
                 this.openmct = openmct;
 
@@ -46,12 +46,13 @@ define(
                 openmct.time.on('bounds', this.bounds);
             }
 
-            addOne (item) {
+            addOne(item) {
+                let parsedValue = this.getValueForSortColumn(item);
                 // Insert into either in-bounds array, or the future buffer.
-                // Data in the future buffer will be re-evaluated for possible 
+                // Data in the future buffer will be re-evaluated for possible
                 // insertion on next bounds change
-                let beforeStartOfBounds = this.parseTime(item.datum[this.sortOptions.key]) < this.lastBounds.start;
-                let afterEndOfBounds = this.parseTime(item.datum[this.sortOptions.key]) > this.lastBounds.end;
+                let beforeStartOfBounds = parsedValue < this.lastBounds.start;
+                let afterEndOfBounds = parsedValue > this.lastBounds.end;
 
                 if (!afterEndOfBounds && !beforeStartOfBounds) {
                     return super.addOne(item);
@@ -86,13 +87,13 @@ define(
              * @fires TelemetryCollection#discarded
              * @param bounds
              */
-            bounds (bounds) {
+            bounds(bounds) {
                 let startChanged = this.lastBounds.start !== bounds.start;
                 let endChanged = this.lastBounds.end !== bounds.end;
-                
+
                 let startIndex = 0;
                 let endIndex = 0;
-                
+
                 let discarded = [];
                 let added = [];
                 let testValue = {
@@ -135,9 +136,13 @@ define(
                 }
             }
 
+            getValueForSortColumn(row) {
+                return this.parseTime(row.datum[this.sortOptions.key]);
+            }
+
             destroy() {
                 this.openmct.time.off('bounds', this.bounds);
             }
         }
-    return BoundedTableRowCollection;
-});
+        return BoundedTableRowCollection;
+    });

src/plugins/telemetryTable/collections/SortedTableRowCollection.js

@@ -60,7 +60,7 @@ define(
                     if (rowsAdded.length > 0) {
                         this.emit('add', rowsAdded);
                     }
-                    this.dupeCheck = true;    
+                    this.dupeCheck = true;
                 } else {
                     let wasAdded = this.addOne(rows);
                     if (wasAdded) {
@@ -115,11 +115,10 @@ define(
                 if (this.rows.length === 0) {
                     return 0;
                 }
-                
-                const sortOptionsKey = this.sortOptions.key;
-                const testRowValue = testRow.datum[sortOptionsKey];
-                const firstValue = this.rows[0].datum[sortOptionsKey];
-                const lastValue = this.rows[this.rows.length - 1].datum[sortOptionsKey];
+
+                const testRowValue = this.getValueForSortColumn(testRow);
+                const firstValue = this.getValueForSortColumn(this.rows[0]);
+                const lastValue = this.getValueForSortColumn(this.rows[this.rows.length - 1]);
 
                 lodashFunction = lodashFunction || _.sortedIndex;
 
@@ -133,7 +132,7 @@ define(
                         return 0;
                     } else {
                         return lodashFunction(rows, testRow, (thisRow) => {
-                            return thisRow.datum[sortOptionsKey];
+                            return this.getValueForSortColumn(thisRow);
                         });
                     }
                 } else {
@@ -147,7 +146,7 @@ define(
                     } else {
                         // Use a custom comparison function to support descending sort.
                         return lodashFunction(rows, testRow, (thisRow) => {
-                            const thisRowValue = thisRow.datum[sortOptionsKey];
+                            const thisRowValue = this.getValueForSortColumn(thisRow);
                             if (testRowValue === thisRowValue) {
                                 return EQUAL;
                             } else if (testRowValue < thisRowValue) {
@@ -206,7 +205,7 @@ define(
                     this.emit('sort');
                 }
                 // Return duplicate to avoid direct modification of underlying object
-                return Object.assign({}, this.sortOptions); 
+                return Object.assign({}, this.sortOptions);
             }
 
             removeAllRowsForObject(objectKeyString) {
@@ -218,25 +217,32 @@ define(
                     }
                     return true;
                 });
+
                 this.emit('remove', removed);
             }
 
+            getValueForSortColumn(row) {
+                return row.datum[this.sortOptions.key];
+            }
+
             remove(removedRows) {
                 this.rows = this.rows.filter(row => {
                     return removedRows.indexOf(row) === -1;
                 });
+
                 this.emit('remove', removedRows);
             }
 
-            getRows () {
+            getRows() {
                 return this.rows;
             }
 
             clear() {
                 let removedRows = this.rows;
                 this.rows = [];
+
                 this.emit('remove', removedRows);
             }
         }
-    return SortedTableRowCollection;
-});
+        return SortedTableRowCollection;
+    });

src/plugins/telemetryTable/components/table.vue

@@ -78,7 +78,7 @@
     <!-- Content table -->
     <div class="c-table__body-w c-telemetry-table__body-w js-telemetry-table__body-w" @scroll="scroll" :style="{ 'max-width': widthWithScroll}">
         <div class="c-telemetry-table__scroll-forcer" :style="{ width: totalWidth + 'px' }"></div>
-        <table class="c-table__body c-telemetry-table__body"
+        <table class="c-table__body c-telemetry-table__body js-telemetry-table__content"
                :style="{ height: totalHeight + 'px'}">
             <tbody>
                 <telemetry-table-row v-for="(row, rowIndex) in visibleRows"
@@ -284,7 +284,7 @@ import _ from 'lodash';
 const VISIBLE_ROW_COUNT = 100;
 const ROW_HEIGHT = 17;
 const RESIZE_POLL_INTERVAL = 200;
-const AUTO_SCROLL_TRIGGER_HEIGHT = 20;
+const AUTO_SCROLL_TRIGGER_HEIGHT = 100;
 const RESIZE_HOT_ZONE = 10;
 const MOVE_TRIGGER_WAIT = 500;
 const VERTICAL_SCROLL_WIDTH = 30;
@@ -364,42 +364,48 @@ export default {
     },
     methods: {
         updateVisibleRows() {
+            if (!this.updatingView) {
+                this.updatingView = true;
+                requestAnimationFrame(()=> {
 
-            let start = 0;
-            let end = VISIBLE_ROW_COUNT;
-            let filteredRows = this.table.filteredRows.getRows();
-            let filteredRowsLength = filteredRows.length;
+                    let start = 0;
+                    let end = VISIBLE_ROW_COUNT;
+                    let filteredRows = this.table.filteredRows.getRows();
+                    let filteredRowsLength = filteredRows.length;
 
-            this.totalHeight = this.rowHeight * filteredRowsLength - 1;
+                    if (filteredRowsLength < VISIBLE_ROW_COUNT) {
+                        end = filteredRowsLength;
+                    } else {
+                        let firstVisible = this.calculateFirstVisibleRow();
+                        let lastVisible = this.calculateLastVisibleRow();
+                        let totalVisible = lastVisible - firstVisible;
 
-            if (filteredRowsLength < VISIBLE_ROW_COUNT) {
-                end = filteredRowsLength;
-            } else {
-                let firstVisible = this.calculateFirstVisibleRow();
-                let lastVisible = this.calculateLastVisibleRow();
-                let totalVisible = lastVisible - firstVisible;
+                        let numberOffscreen = VISIBLE_ROW_COUNT - totalVisible;
+                        start = firstVisible - Math.floor(numberOffscreen / 2);
+                        end = lastVisible + Math.ceil(numberOffscreen / 2);
 
-                let numberOffscreen = VISIBLE_ROW_COUNT - totalVisible;
-                start = firstVisible - Math.floor(numberOffscreen / 2);
-                end = lastVisible + Math.ceil(numberOffscreen / 2);
+                        if (start < 0) {
+                            start = 0;
+                            end = Math.min(VISIBLE_ROW_COUNT, filteredRowsLength);
+                        } else if (end >= filteredRowsLength) {
+                            end = filteredRowsLength;
+                            start = end - VISIBLE_ROW_COUNT + 1;
+                        }
+                    }
+                    this.rowOffset = start;
+                    this.visibleRows = filteredRows.slice(start, end);
 
-                if (start < 0) {
-                    start = 0;
-                    end = Math.min(VISIBLE_ROW_COUNT, filteredRowsLength);
-                } else if (end >= filteredRowsLength) {
-                    end = filteredRowsLength;
-                    start = end - VISIBLE_ROW_COUNT + 1;
-                }
+                    this.updatingView = false;
+                });
             }
-            this.rowOffset = start;
-            this.visibleRows = filteredRows.slice(start, end);
         },
         calculateFirstVisibleRow() {
-            return Math.floor(this.scrollable.scrollTop / this.rowHeight);
+            let scrollTop = this.scrollable.scrollTop;
+            return Math.floor(scrollTop / this.rowHeight);
         },
         calculateLastVisibleRow() {
-            let bottomScroll = this.scrollable.scrollTop + this.scrollable.offsetHeight;
-            return Math.floor(bottomScroll / this.rowHeight);
+            let scrollBottom = this.scrollable.scrollTop + this.scrollable.offsetHeight;
+            return Math.ceil(scrollBottom / this.rowHeight);
         },
         updateHeaders() {
             this.headers = this.table.configuration.getVisibleHeaders();
@@ -443,71 +449,70 @@ export default {
             }
             this.table.sortBy(this.sortOptions);
         },
-        scroll() {
-            if (!this.processingScroll) {
-                this.processingScroll = true;
-                requestAnimationFrame(()=> {
-                    this.updateVisibleRows();
-                    this.synchronizeScrollX();
+        scroll () {
+            this.updateVisibleRows();
+            this.synchronizeScrollX();
 
-                    if (this.shouldSnapToBottom()) {
-                        this.autoScroll = true;
-                    } else {
-                        // If user scrolls away from bottom, disable auto-scroll.
-                        // Auto-scroll will be re-enabled if user scrolls to bottom again.
-                        this.autoScroll = false;
-                    }
-                    this.processingScroll = false;
-                });
+            if (this.shouldSnapToBottom()) {
+                this.autoScroll = true;
+            } else {
+                // If user scrolls away from bottom, disable auto-scroll.
+                // Auto-scroll will be re-enabled if user scrolls to bottom again.
+                this.autoScroll = false;
             }
         },
         shouldSnapToBottom() {
             return this.scrollable.scrollTop >= (this.scrollable.scrollHeight - this.scrollable.offsetHeight - AUTO_SCROLL_TRIGGER_HEIGHT);
         },
         scrollToBottom() {
-            this.scrollable.scrollTop = this.scrollable.scrollHeight;
+            this.scrollable.scrollTop = Number.MAX_SAFE_INTEGER;
         },
         synchronizeScrollX() {
             this.headersHolderEl.scrollLeft = this.scrollable.scrollLeft;
         },
         filterChanged(columnKey) {
             this.table.filteredRows.setColumnFilter(columnKey, this.filters[columnKey]);
+            this.setHeight();
         },
         clearFilter(columnKey) {
             this.filters[columnKey] = '';
             this.table.filteredRows.setColumnFilter(columnKey, '');
+            this.setHeight();
         },
-        rowsAdded(rows) {
+        rowsAdded (rows) {
+            this.setHeight();
+
             let sizingRow;
             if (Array.isArray(rows)) {
                 sizingRow = rows[0];
             } else {
                 sizingRow = rows;
             }
+
             if (!this.sizingRows[sizingRow.objectKeyString]) {
                 this.sizingRows[sizingRow.objectKeyString] = sizingRow;
                 this.$nextTick().then(this.calculateColumnWidths);
             }
 
-            if (!this.updatingView) {
-                this.updatingView = true;
-                requestAnimationFrame(()=> {
-                    this.updateVisibleRows();
-                    if (this.autoScroll) {
-                        this.$nextTick().then(this.scrollToBottom);
-                    }
-                    this.updatingView = false;
-                });
+            if (this.autoScroll) {
+                this.scrollToBottom();
             }
+
+            this.updateVisibleRows();
         },
-        rowsRemoved(rows) {
-            if (!this.updatingView) {
-                this.updatingView = true;
-                requestAnimationFrame(()=> {
-                    this.updateVisibleRows();
-                    this.updatingView = false;
-                });
-            }
+        rowsRemoved (rows) {
+            this.setHeight();
+            this.updateVisibleRows();
+        },
+        /**
+         * Calculates height based on total number of rows, and sets table height.
+         */
+        setHeight() {
+            let filteredRowsLength = this.table.filteredRows.getRows().length;
+            this.totalHeight = this.rowHeight * filteredRowsLength - 1;
+            // Set element height directly to avoid having to wait for Vue to update DOM 
+            // which causes subsequent scroll to use an out of date height.
+            this.contentTable.style.height = this.totalHeight + 'px'; 
         },
         exportAsCSV() {
             const headerKeys = Object.keys(this.headers);
@@ -595,7 +600,11 @@ export default {
                     this.calculateTableSize();
                     // On some resize events scrollTop is reset to 0. Possibly due to a transition we're using?
                     // Need to preserve scroll position in this case.
-                    this.scrollable.scrollTop = scrollTop;
+                    if (this.autoScroll) {
+                        this.scrollToBottom();
+                    } else {
+                        this.scrollable.scrollTop = scrollTop;
+                    }
                     width = el.clientWidth;
                     height = el.clientHeight;
                 }
@@ -608,6 +617,9 @@ export default {
         this.filterChanged = _.debounce(this.filterChanged, 500);
     },
     mounted() {
+        this.rowsAdded = _.throttle(this.rowsAdded, 200);
+        this.rowsRemoved = _.throttle(this.rowsRemoved, 200);
+        this.scroll = _.throttle(this.scroll, 100);
 
         this.table.on('object-added', this.addObject);
         this.table.on('object-removed', this.removeObject);
@@ -621,6 +633,7 @@ export default {
         //Default sort
         this.sortOptions = this.table.filteredRows.sortBy();
         this.scrollable = this.$el.querySelector('.js-telemetry-table__body-w');
+        this.contentTable = this.$el.querySelector('.js-telemetry-table__content');
         this.sizingTable = this.$el.querySelector('.js-telemetry-table__sizing');
         this.headersHolderEl = this.$el.querySelector('.js-table__headers-w');
 

src/styles-new/_about.scss

@@ -54,10 +54,11 @@
 
     &:after {
         // App logo
-        top: 0;
-        right: 15%;
-        bottom: 0;
-        left: 15%;
+        $d: 25%;
+        top: $d;
+        right: $d;
+        bottom: $d;
+        left: $d;
     }
 }
 
@@ -75,12 +76,20 @@
 
     &__image,
     &__text {
-        height: 50%;
-        flex: 1 1 0;
+        flex: 1 1 auto;
+    }
+
+    &__image {
+        height: 35%;
     }
 
     &__text {
+        height: 65%;
         overflow: auto;
+        > * + * {
+            border-top: 1px solid $colorInteriorBorder;
+            margin-top: 1em;
+        }
     }
 
     &--licenses {
@@ -107,7 +116,7 @@
 
     h1, h2, h3 {
         font-weight: normal;
-        margin-bottom: 1em;
+        margin-bottom: .25em;
     }
 
     h1 {

src/styles-new/_controls.scss

@@ -49,6 +49,21 @@ button {
         }
     }
 
+    &[class*='__collapse-button'] {
+        box-shadow: none;
+        background: $splitterBtnColorBg;
+        color: $splitterBtnColorFg;
+        border-radius: $smallCr;
+        font-size: 6px;
+        line-height: 90%;
+        padding: 3px 15px;
+
+        @include hover() {
+            background: $colorBtnBgHov;
+            color: $colorBtnFgHov;
+        }
+    }
+
     &.is-active {
         background: $colorBtnActiveBg;
         color: $colorBtnActiveFg;
@@ -70,13 +85,7 @@ button {
     @include cClickIconButton();
 
     &--menu {
-        &:after {
-            content: $glyph-icon-arrow-down;
-            font-family: symbolsfont;
-            font-size: 0.7em;
-            margin-left: floor($interiorMarginSm * 0.8);
-            opacity: 0.5;
-        }
+        @include hasMenu();
     }
 }
 
@@ -126,7 +135,7 @@ button {
 
 /******************************************************** DISCLOSURE CONTROLS */
 /********* Disclosure Button */
-// Provides a downward arrow icon that when clicked displays a context menu
+// Provides a downward arrow icon that when clicked displays additional options and/or info.
 // Always placed AFTER an element
 .c-disclosure-button {
     @include cClickIcon();
@@ -393,6 +402,11 @@ select {
             color: $colorMenuIc;
             font-size: 1em;
             margin-right: $interiorMargin;
+            min-width: 1em;
+        }
+
+        &:not([class]):before {
+             content: ''; // Add this element so that menu items without an icon still indent properly
         }
     }
 }

src/styles-new/_legacy-plots.scss

@@ -51,6 +51,22 @@ mct-plot {
     }
 }
 
+.is-editing {
+    .gl-plot.child-frame {
+        &:hover {
+            background: rgba($editUIColorBg, 0.1);
+            box-shadow: inset rgba($editUIColorBg, 0.8) 0 0 0 1px;
+        }
+
+        &[s-selected] {
+            border: 1px solid $editUIColorFg !important;
+            color: $editUIColorFg !important;
+            box-shadow: $editFrameSelectedShdw;
+            z-index: 2;
+        }
+    }
+}
+
 .gl-plot {
     color: $colorPlotFg;
     display: flex;
@@ -548,3 +564,10 @@ mct-plot {
         top: 0; bottom: 0;
     }
 }
+
+.s-status-timeconductor-unsynced {
+    .t-object-alert.t-alert-unsynced {
+        @extend .icon-alert-triangle;
+        color: $colorPausedBg;
+    }
+}

src/styles-new/_legacy.scss

@@ -782,6 +782,10 @@ mct-indicators mct-include {
     display: contents;
 }
 
+/*
+
+    // MOVED TO INDICATORS.VUE
+
 .ls-indicator {
     $bg: rgba(white, 0.2) !important;
     $hbg: $colorStatusBarBg;
@@ -859,7 +863,7 @@ mct-indicators mct-include {
             border-radius: $br;
             font-size: .6rem;
             left: 0;
-            bottom: 140%;
+            top: 140%;
             opacity: 0;
             padding: $interiorMarginSm $interiorMargin;
             position: absolute;
@@ -873,8 +877,8 @@ mct-indicators mct-include {
                 content: '';
                 display: block;
                 position: absolute;
-                top: 100%;
-                @include triangle('down', $size: 4px, $ratio: 1, $color: $hbg);
+                bottom: 100%;
+                @include triangle('up', $size: 4px, $ratio: 1, $color: $hbg);
             }
         }
 
@@ -894,7 +898,8 @@ mct-indicators mct-include {
     }
 }
 
-/* Mobile */
+
+
 // Hide the clock indicator when we're phone portrait
 body.phone.portrait {
     .ls-indicator.t-indicator-clock {
@@ -902,6 +907,8 @@ body.phone.portrait {
     }
 }
 
+*/
+
 /************************************************* DATETIME UI */
 @mixin complexFieldHolder($myW) {
     width: $myW + $interiorMargin;

src/styles-new/_mixins.scss

@@ -420,19 +420,9 @@
     }
 }
 
-@mixin cClickIconButton() {
-    // A clickable element that just includes the icon
-    // Background is displayed on hover
-    // Padding is included to facilitate a bigger hit area
-    // Make the icon bigger relative to its container
-    @include cControl();
-    background: none;
-    box-shadow: none;
-    cursor: pointer;
+@mixin cClickIconButtonLayout() {
     $pLR: 4px;
     $pTB: 4px;
-    transition: $transOut;
-    border-radius: $controlCr;
     padding: $pTB $pLR;
 
     &:before,
@@ -441,6 +431,20 @@
         // Needed for c-togglebutton.
         font-size: 1.25em;
     }
+}
+
+@mixin cClickIconButton() {
+    // A clickable element that just includes the icon
+    // Background is displayed on hover
+    // Padding is included to facilitate a bigger hit area
+    // Make the icon bigger relative to its container
+    @include cControl();
+    @include cClickIconButtonLayout();
+    background: none;
+    box-shadow: none;
+    cursor: pointer;
+    transition: $transOut;
+    border-radius: $controlCr;
 
     @include hover() {
         transition: $transIn;
@@ -477,6 +481,16 @@
     }
 }
 
+@mixin hasMenu() {
+    &:after {
+        content: $glyph-icon-arrow-down;
+        font-family: symbolsfont;
+        font-size: 0.7em;
+        margin-left: floor($interiorMarginSm * 0.8);
+        opacity: 0.5;
+    }
+}
+
 @mixin cSelect($bg, $fg, $arwClr, $shdw) {
     $svgArwClr: str-slice(inspect($arwClr), 2, str-length(inspect($arwClr))); // Remove initial # in color value
     background: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10'%3e%3cpath fill='%23#{$svgArwClr}' d='M5 5l5-5H0z'/%3e%3c/svg%3e"), $bg;

src/styles-new/_status.scss

@@ -127,7 +127,7 @@ tr {
 .s-status-icon-ok:before { content: $glyph-icon-check; }
 
 /*************************************************** INDICATOR COLORING */
-.ls-indicator {
+.c-indicator {
     &.s-status-info {
         @include indicatorStatusColors($colorInfo);
     }

src/styles-new/core.scss

@@ -33,3 +33,4 @@
 @import "table";
 @import "legacy";
 @import "legacy-plots";
+@import "legacy-messages";

src/styles-new/sass-base.scss

@@ -25,8 +25,8 @@
 // Do not include anything that renders to CSS!
 @import "constants";
 @import "constants-mobile.scss";
-//@import "constants-espresso"; // TEMP
-@import "constants-snow"; // TEMP
+@import "constants-espresso"; // TEMP
+//@import "constants-snow"; // TEMP
 //@import "constants-maelstrom";
 @import "mixins";
 @import "animations";

src/ui/components/CurrentDateTime.vue

@@ -0,0 +1,22 @@
+<template>
+    <div class="c-indicator no-collapse icon-clock c-current-datetime">
+        <span class="label">{{ currentDateTime }} UTC</span>
+    </div>
+</template>
+
+<script>
+    import moment from 'moment';
+
+    export default {
+        data() {
+            return {
+                currentDateTime: moment.utc().format('LTS')
+            }
+        },
+        mounted: function() {
+            setInterval(()=>{
+                this.currentDateTime = moment.utc().format('YYYY/MM/DD HH:mm:ss')
+            },100)
+        }
+    }
+</script>

src/ui/components/ObjectFrame.vue

@@ -26,8 +26,8 @@
             'has-complex-content': complexContent
         }">
         <div class="c-so-view__header">
-            <div class="c-so-view__header__name"
-                 :class="cssClass">
+            <div class="c-so-view__header__icon" :class="cssClass"></div>
+            <div class="c-so-view__header__name">
                 {{ domainObject && domainObject.name }}
             </div>
             <context-menu-drop-down
@@ -63,12 +63,16 @@
             align-items: center;
             margin-bottom: $interiorMargin;
 
+            &__icon {
+                flex: 0 0 auto;
+                margin-right: $interiorMarginSm;
+                opacity: 0.5;
+            }
+
             &__name {
                 @include headerFont(1em);
-                display: flex;
-                &:before {
-                    margin-right: $interiorMarginSm;
-                }
+                @include ellipsize();
+                flex: 0 1 auto;
             }
         }
 
@@ -88,19 +92,6 @@
             }
         }
 
-        &__name {
-            @include ellipsize();
-            @include headerFont(1.2em);
-            flex: 0 1 auto;
-
-            &:before {
-                // Object type icon
-                flex: 0 0 auto;
-                margin-right: $interiorMarginSm;
-                opacity: 0.5;
-            }
-        }
-
         &__local-controls {
             position: absolute;
             top: $interiorMargin; right: $interiorMargin;

src/ui/components/ObjectView.vue

@@ -34,10 +34,10 @@ export default {
         this.currentObject = this.object;
         this.updateView();
         this.$el.addEventListener('dragover', this.onDragOver);
-        this.$el.addEventListener('drop', this.addObjectToParent);
         this.$el.addEventListener('drop', this.editIfEditable, {
             capture: true
         });
+        this.$el.addEventListener('drop', this.addObjectToParent);
     },
     methods: {
         clear() {
@@ -57,6 +57,10 @@ export default {
                 this.removeSelectable();
                 delete this.removeSelectable;
             }
+
+            if (this.composition) {
+                this.composition._destroy();
+            }
         },
         invokeEditModeHandler(editMode) {
             this.currentView.onEditModeChange(editMode);
@@ -70,6 +74,13 @@ export default {
             if (!this.currentObject) {
                 return;
             }
+            
+            this.composition = this.openmct.composition.get(this.currentObject);
+            if (this.composition) {
+                this.composition._synchronize();
+                this.loadComposition();
+            }
+
             this.viewContainer = document.createElement('div');
             this.viewContainer.classList.add('c-object-view','u-contents');
             this.$el.append(this.viewContainer);
@@ -112,6 +123,10 @@ export default {
                 delete this.removeSelectable;
             }
 
+            if (this.composition) {
+                this.composition._destroy();
+            }
+
             this.currentObject = object;
             this.unlisten = this.openmct.objects.observe(this.currentObject, '*', (mutatedObject) => {
                 this.currentObject = mutatedObject;
@@ -120,6 +135,9 @@ export default {
             this.viewKey = viewKey;
             this.updateView(immediatelySelect);
         },
+        loadComposition() {
+            return this.composition.load();
+        },
         getSelectionContext() {
             if (this.currentView.getSelectionContext) {
                 return this.currentView.getSelectionContext();
@@ -133,10 +151,12 @@ export default {
             }
         },
         addObjectToParent(event) {
-            if (this.hasComposableDomainObject(event)) {
+            if (this.hasComposableDomainObject(event) && this.composition) {
                 let composableDomainObject = this.getComposableDomainObject(event);
-                this.currentObject.composition.push(composableDomainObject.identifier);
-                this.openmct.objects.mutate(this.currentObject, 'composition', this.currentObject.composition);
+                this.loadComposition().then(() => {
+                    this.composition.add(composableDomainObject);
+                });
+
                 event.preventDefault();
                 event.stopPropagation();
             }
@@ -155,6 +175,7 @@ export default {
         editIfEditable(event) {
             let provider = this.getViewProvider();
             if (provider && 
+                provider.canEdit &&
                 provider.canEdit(this.currentObject) &&
                 !this.openmct.editor.isEditing()) {
                     this.openmct.editor.edit();

src/ui/inspector/Elements.vue

@@ -67,6 +67,7 @@
     }
 </style>
 <script>
+import _ from 'lodash';
 import Search from '../components/search.vue';
 import ObjectLabel from '../components/ObjectLabel.vue';
 
@@ -82,7 +83,8 @@ export default {
             isEditing: this.openmct.editor.isEditing(),
             parentObject: undefined,
             currentSearch: '',
-            isDragging: false
+            isDragging: false,
+            selection: []
         }
     },
     mounted() {
@@ -99,6 +101,10 @@ export default {
             this.showSelection(this.openmct.selection.get());
         },
         showSelection(selection) {
+            if (_.isEqual(this.selection, selection)) {
+                return;
+            }
+            this.selection = selection;
             this.elements = [];
             this.elementsCache = {};
             this.listeners = [];

src/ui/layout/AboutDialog.vue

@@ -1,23 +1,24 @@
 <template>
 <div class="c-about c-about--splash">
-    <div v-if="branding.aboutHtml" class="s-text l-content" v-html="branding.aboutHtml"></div>
-    <div v-else class="c-about__image c-splash-image"></div>
-
+    <div class="c-about__image c-splash-image"></div>
     <div class="c-about__text s-text">
-        <h1 class="l-title s-title">Open MCT</h1>
-        <div class="l-description s-description">
-	        <p>Open MCT, Copyright &copy; 2014-2019, United States Government as represented by the Administrator of the National Aeronautics and Space Administration. All rights reserved.</p>
-	        <p>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 <a target="_blank" href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>.</p>
-	        <p>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.</p>
-	        <p>Open MCT includes source code licensed under additional open source licenses. See the Open Source Licenses file included with this distribution or <a @click="showLicenses">click here for third party licensing information</a>.</p>
+        <div class="c-about__text__element" v-if="branding.aboutHtml" v-html="branding.aboutHtml"></div>
+        <div class="c-about__text__element">
+            <h1 class="l-title s-title">Open MCT</h1>
+            <div class="l-description s-description">
+                <p>Open MCT, Copyright &copy; 2014-2019, United States Government as represented by the Administrator of the National Aeronautics and Space Administration. All rights reserved.</p>
+                <p>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 <a target="_blank" href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>.</p>
+                <p>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.</p>
+                <p>Open MCT includes source code licensed under additional open source licenses. See the Open Source Licenses file included with this distribution or <a @click="showLicenses">click here for third party licensing information</a>.</p>
+            </div>
+            <h2>Version Information</h2>
+            <ul class="t-info l-info s-info">
+                <li>Version: {{buildInfo.version || 'Unknown'}}</li>
+                <li>Build Date: {{buildInfo.buildDate || 'Unknown'}}</li>
+                <li>Revision: {{buildInfo.revision || 'Unknown'}}</li>
+                <li>Branch: {{buildInfo.branch || 'Unknown'}}</li>
+            </ul>
         </div>
-        <h2>Version Information</h2>
-        <ul class="t-info l-info s-info">
-            <li>Version: {{buildInfo.version || 'Unknown'}}</li>
-            <li>Build Date: {{buildInfo.buildDate || 'Unknown'}}</li>
-            <li>Revision: {{buildInfo.revision || 'Unknown'}}</li>
-            <li>Branch: {{buildInfo.branch || 'Unknown'}}</li>
-        </ul>
     </div>
 </div>
 </template>

src/ui/layout/BrowseBar.vue

@@ -289,10 +289,14 @@ const PLACEHOLDER_OBJECT = {};
 
         &__nav-to-parent-button {
             // This is an icon-button
-            $p: $interiorMarginLg;
+            $p: $interiorMargin;
             margin-right: $interiorMargin;
             padding-left: $p;
             padding-right: $p;
+
+            .is-editing & {
+                display: none;
+            }
         }
 
         &__object-name--w {

src/ui/layout/Layout.vue

@@ -4,7 +4,9 @@
         }">
         <div class="l-shell__head">
             <CreateButton class="l-shell__create-button"></CreateButton>
-            <div class="l-shell__controls">
+            <indicators class="l-shell__head-section l-shell__indicators"></indicators>
+            <notification-banner></notification-banner> <!-- TODO: MAKE SURE THIS PLACEMENT WORKS PROPERLY -->
+            <div class="l-shell__head-section l-shell__controls">
                 <button class="c-icon-button c-icon-button--major icon-new-window" title="Open in a new browser tab"
                     @click="openInNewTab"
                     target="_blank">
@@ -15,6 +17,8 @@
                 </button>
             </div>
             <app-logo></app-logo>
+            <!--button class="l-shell__head__collapse-button c-button"
+                    @click="toggleShellHead"></button-->
         </div>
         <multipane class="l-shell__main"
                    type="horizontal">
@@ -44,9 +48,6 @@
                 <Inspector :isEditing="isEditing" ref="inspector"></Inspector>
             </pane>
         </multipane>
-        <div class="l-shell__status">
-            <StatusBar></StatusBar>
-        </div>
     </div>
 </template>
 
@@ -61,12 +62,13 @@
         flex-flow: column nowrap;
         overflow: hidden;
 
-        &__status {
+/*        &__status {
+            min-width: 95%;
+            margin-right: 1%;
             background: $colorStatusBarBg;
             color: $colorStatusBarFg;
-            height: 24px;
             padding: $interiorMarginSm;
-        }
+        }*/
 
         &__pane-tree {
             width: 40%;
@@ -75,6 +77,7 @@
                 // For mobile, collapse button becomes menu icon
                 body.mobile & {
                     @include cClickIconButton();
+                    color: $colorKey !important;
                     position: absolute;
                     right: -2 * nth($shellPanePad, 2); // Needs to be -1 * when pane is collapsed
                     top: 0;
@@ -163,11 +166,25 @@
             align-items: center;
             background: $colorHeadBg;
             justify-content: space-between;
-            padding: $interiorMargin;
+            padding: $interiorMargin $interiorMargin + 2;
 
             > [class*="__"] + [class*="__"] {
                 margin-left: $interiorMargin;
             }
+
+            [class*='__collapse-button']:before {
+                content: $glyph-icon-arrow-down;
+                font-size: 1.1em;
+            }
+
+            &-section {
+                // Subdivides elements across the head
+                @include ellipsize();
+                border-right: 1px solid $colorInteriorBorder;
+                display: flex;
+                flex: 0 1 auto;
+                padding-right: $interiorMargin;
+            }
         }
 
         &__create-button,
@@ -175,17 +192,18 @@
             flex: 0 0 auto;
         }
 
-        &__controls {
-            flex: 1 1 100%;
-            display: flex;
-            justify-content: flex-end;
-            margin-right: 2.5%;
+        &__create-button { margin-right: $interiorMarginLg; }
+
+        &__indicators {
+            flex: 1 1 auto;
+            [class*='indicator-clock'] { order: 99; }
         }
 
         /******************************* MAIN AREA */
         &__main-container {
             // Wrapper for main views
             flex: 1 1 auto !important;
+            height: 0; // Chrome 73 overflow bug fix
             overflow: auto;
         }
 
@@ -265,9 +283,10 @@
     import multipane from './multipane.vue';
     import pane from './pane.vue';
     import BrowseBar from './BrowseBar.vue';
-    import StatusBar from './status-bar/StatusBar.vue';
     import Toolbar from '../toolbar/Toolbar.vue';
     import AppLogo from './AppLogo.vue';
+    import Indicators from './status-bar/Indicators.vue';
+    import NotificationBanner from './status-bar/NotificationBanner.vue';
 
     var enterFullScreen = () => {
         var docElm = document.documentElement;
@@ -308,9 +327,10 @@
             multipane,
             pane,
             BrowseBar,
-            StatusBar,
             Toolbar,
-            AppLogo
+            AppLogo,
+            Indicators,
+            NotificationBanner
         },
         mounted() {
             this.openmct.editor.on('isEditing', (isEditing)=>{
@@ -355,6 +375,9 @@
                 }
 
                 this.hasToolbar = structure.length > 0;
+            },
+            toggleShellHead() {
+                return true;
             }
         }
     }

src/ui/layout/mct-tree.vue

@@ -52,13 +52,12 @@
 
         &__tree {
             flex: 1 1 auto;
-            height: 100%;
+            height: 0; // Chrome 73 overflow bug fix
         }
     }
 
     .c-tree {
         @include userSelectNone();
-        height: 100%; // Chrome 73 overflow bug fix
         overflow-x: hidden;
         overflow-y: auto;
         padding-right: $interiorMargin;

src/ui/layout/pane.vue

@@ -148,21 +148,6 @@
                 font-size: floor(12px * .9);
             }
 
-            &__collapse-button {
-                box-shadow: none;
-                background: $splitterBtnColorBg;
-                color: $splitterBtnColorFg;
-                border-radius: $smallCr;
-                font-size: 6px;
-                line-height: 90%;
-                padding: 3px 15px;
-
-                @include hover() {
-                    background: $colorBtnBgHov;
-                    color: $colorBtnFgHov;
-                }
-            }
-
             &__label {
                 // Name of the pane
                 @include ellipsize();
@@ -194,8 +179,8 @@
                 /********************************* STYLES FOR DESKTOP COLLAPSED PANES, ALL ORIENTATIONS */
                 $d: nth($splitterBtnD, 1);
                 flex-basis: $d;
-                min-width: $d !important;
-                min-height: $d !important;
+                min-width: $d;
+                min-height: $d;
 
                 > .l-pane__handle {
                     display: none;

src/ui/layout/status-bar/Indicators.vue

@@ -17,10 +17,132 @@
  at runtime from the About dialog for additional information.
 -->
 <template>
-<span id='status' class='status-holder'></span>
 </template>
 
 <style lang="scss">
+    @import "~styles/sass-base";
+
+    .l-indicators {
+        display: flex;
+        align-items: center;
+    }
+
+    .c-indicator {
+        @include cClickIconButtonLayout();
+
+        &--clickable {
+            @include cClickIconButton();
+            @include hasMenu();
+        }
+
+        $bg: rgba(white, 0.2) !important;
+        $hbg: $colorStatusBarBg;
+        $hshdw: rgba(white, 0.4) 0 0 3px;
+        $br: $controlCr;
+        $hoverYOffset: -35px;
+        /*background: transparent !important;*/
+        border-radius: $br;
+        /*display: inline-block;*/
+        /*position: relative;*/
+        //padding: 1px $interiorMarginSm; // Use padding instead of margin to keep hover chatter to a minimum
+        text-transform: uppercase;
+
+        &:before {
+            /*display: inline-block;*/
+        }
+
+        .label {
+            // Hover bubbles that appear when hovering on an Indicator
+            display: inline-block;
+
+            a,
+            button,
+            s-button,
+            .c-button {
+                // Make <a> in label look like buttons
+                transition: $transIn;
+                background: transparent;
+                border: 1px solid rgba($colorStatusBarFg, 0.5);
+                border-radius: $br;
+                box-sizing: border-box;
+                color: inherit;
+                font-size: inherit;
+                height: auto;
+                line-height: normal;
+                padding: 0 2px;
+                &:hover {
+                    background: $bg;
+                    color: #fff;
+                }
+            }
+
+            [class*='icon-'] {
+                // If any elements within label include the class 'icon-*' then deal with their :before's
+                &:before {
+                    font-size: 0.8em;
+                    margin-right: $interiorMarginSm;
+                }
+            }
+        }
+
+        &.no-collapse {
+            display: flex;
+            flex-flow: row nowrap;
+            align-items: center;
+
+            > *,
+            &:before {
+                flex: 1 1 auto;
+            }
+
+            &:before {
+                margin-right: $interiorMarginSm;
+            }
+        }
+
+        &:not(.no-collapse) {
+            &:before {
+                margin-right: 0 !important;
+            }
+
+            .label {
+                transition: all 250ms ease-in 100ms;
+                background: $hbg;
+                border-radius: $br;
+                font-size: .6rem;
+                left: 0;
+                top: 140%;
+                opacity: 0;
+                padding: $interiorMarginSm $interiorMargin;
+                position: absolute;
+                transform-origin: 10px 100%;
+                transform: scale(0.0);
+                white-space: nowrap;
+                z-index: 50;
+
+                &:before {
+                    // Infobubble-style arrow element
+                    content: '';
+                    display: block;
+                    position: absolute;
+                    bottom: 100%;
+                    @include triangle('up', $size: 4px, $ratio: 1, $color: $hbg);
+                }
+            }
+        }
+
+        &.float-right {
+            float: right;
+        }
+    }
+
+    /* Mobile */
+    // Hide the clock indicator when we're phone portrait
+    body.phone.portrait {
+        .c-indicator.t-indicator-clock {
+            display: none;
+        }
+    }
 </style>
 
 <script>
@@ -31,10 +153,11 @@
             this.openmct.indicators.indicatorObjects.forEach((indicator) => {
                 // So that we can consistently position indicator elements,
                 // guarantee that they are wrapped in an element we control
-                var wrapperNode = document.createElement('span');
-                wrapperNode.className = 'l-indicator';
-                wrapperNode.appendChild(indicator.element);
-                this.$el.appendChild(wrapperNode);
+                // CH: fuck that...
+                // var wrapperNode = document.createElement('span');
+                // wrapperNode.className = 'u-contents';
+                // wrapperNode.appendChild(indicator.element);
+                this.$el.appendChild(indicator.element);
             });
         }
     }

src/ui/layout/status-bar/StatusBar.vue

@@ -1,42 +0,0 @@
-<!--
- Open MCT, Copyright (c) 2014-2018, 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.
--->
-<template>
-    <span class="c-status">
-    <indicators></indicators>
-    <notification-banner></notification-banner>
-    </span>
-</template>
-
-<style lang="scss">
-    .c-status {
-        width: 100%;
-    }
-</style>
-
-<script>
-    import Indicators from './Indicators.vue';
-    import NotificationBanner from './NotificationBanner.vue';
-
-    export default {
-        components: {
-            Indicators,
-            NotificationBanner
-        }
-    }
-</script>

src/ui/layout/tree-item.vue

@@ -70,17 +70,18 @@
                 this.domainObject = newObject;
             });
             this.$once('hook:destroyed', removeListener);
+
             if (this.openmct.composition.get(this.node.object)) {
                 this.hasChildren = true;
             }
 
             this.openmct.router.on('change:path', this.highlightIfNavigated);
         },
-        destroy() {
+        destroyed() {
+            this.openmct.router.off('change:path', this.highlightIfNavigated);
             if (this.composition) {
                 this.composition.off('add', this.addChild);
                 this.composition.off('remove', this.removeChild);
-                this.openmct.router.off('change:path', this.highlightIfNavigated);
                 delete this.composition;
             }
         },

src/ui/mixins/context-menu-gesture.js

@@ -18,7 +18,7 @@ export default {
 
         this.objectPath.forEach(object => {
             if (object) {
-                this.$once('hook:destroy',
+                this.$once('hook:destroyed',
                     this.openmct.objects.observe(object, '*', updateObject.bind(this, object)))
             }
         });

src/ui/preview/Preview.vue

@@ -33,7 +33,8 @@
             </div>
             <div class="l-browse-bar__end">
                 <div class="l-browse-bar__actions">
-                    <button class="l-browse-bar__actions__edit c-button icon-notebook" 
+                    <button v-if="notebookEnabled"
+                        class="l-browse-bar__actions__edit c-button icon-notebook" 
                         title="New Notebook entry" 
                         @click="snapshot">
                     </button>
@@ -101,16 +102,21 @@
 
             return {
                 domainObject: domainObject,
-                type: type
+                type: type,
+                notebookEnabled: false
             };
         },
         mounted() {
             let viewProvider = this.openmct.objectViews.get(this.domainObject)[0];
             this.view = viewProvider.view(this.domainObject);
             this.view.show(this.$refs.objectView, false);
-            this.notebookSnapshot = new NotebookSnapshot(this.openmct);
+
+            if (this.openmct.types.get('notebook')) {
+                this.notebookSnapshot = new NotebookSnapshot(this.openmct);
+                this.notebookEnabled = true;
+            }
         },
-        destroy() {
+        destroyed() {
             this.view.destroy();
         }
     }