[Edit Mode] Refactor edit concerns out of browse controllers

Fixed jslint errors

Removed commented code and added line breaks

platform/commonUI/browse/bundle.js

@@ -80,7 +80,6 @@ define([
                         "$scope",
                         "$route",
                         "$location",
-                        "$q",
                         "objectService",
                         "navigationService",
                         "urlService"
@@ -202,6 +201,10 @@ define([
                 {
                     "key": "inspector-region",
                     "templateUrl": "templates/browse/inspector-region.html"
+                },
+                {
+                    "key": "view-region",
+                    "templateUrl": "templates/view-region.html"
                 }
             ],
             "services": [

platform/commonUI/browse/res/templates/browse-object.html

@@ -47,11 +47,6 @@
         <div class="holder l-flex-col flex-elem grows l-object-wrapper-inner">
             <!-- Toolbar and Save/Cancel buttons -->
             <div class="l-edit-controls flex-elem l-flex-row flex-align-end">
-                <mct-toolbar name="mctToolbar"
-                             structure="toolbar.structure"
-                             ng-model="toolbar.state"
-                             class="flex-elem grows">
-                </mct-toolbar>
                 <mct-representation key="'edit-action-buttons'"
                                     mct-object="domainObject"
                                     class='flex-elem conclude-editing'>

platform/commonUI/browse/res/templates/browse.html

@@ -63,7 +63,7 @@
                     <mct-split-pane class='l-object-and-inspector contents abs' anchor='right'>
                         <div class='split-pane-component t-object pane primary-pane left'>
                             <mct-representation mct-object="navigatedObject"
-                                                key="'browse-object'"
+                                                key="'view-region'"
                                                 class="abs holder holder-object">
                             </mct-representation>
                         </div>
@@ -87,4 +87,3 @@
     </div>
     <mct-include key="'bottombar'"></mct-include>
 </div>
-

platform/commonUI/browse/res/templates/view-region.html

@@ -19,14 +19,12 @@
  this source code distribution or the Licensing information page available
  at runtime from the About dialog for additional information.
 -->
-<div content="jquery-wrapper"
-     class="abs holder-all edit-mode"
-     ng-controller="EditController as editMode"
-     mct-before-unload="editMode.getUnloadWarning()">
-
-    <mct-representation key="'edit-object'" mct-object="editMode.navigatedObject()">
+<div ng-controller="RegionController as regionController">
+    <div ng-repeat="part in regions.view.parts">
+        <mct-representation
+                key="part.content.key"
+                mct-object="domainObject"
+                ng-model="ngModel">
         </mct-representation>
-
-    <mct-include key="'bottombar'"></mct-include>
-
-</div>
+    </div>
+</div><!--/ PaneController -->

platform/commonUI/browse/src/BrowseController.js

@@ -27,10 +27,9 @@
  */
 define(
     [
-        '../../../representation/src/gestures/GestureConstants',
-        '../../edit/src/objects/EditableDomainObject'
+        '../../../representation/src/gestures/GestureConstants'
     ],
-    function (GestureConstants, EditableDomainObject) {
+    function (GestureConstants) {
         "use strict";
 
         var ROOT_ID = "ROOT",
@@ -47,18 +46,11 @@ define(
          * @memberof platform/commonUI/browse
          * @constructor
          */
-        function BrowseController($scope, $route, $location, $q, objectService, navigationService, urlService) {
+        function BrowseController($scope, $route, $location, objectService, navigationService, urlService) {
             var path = [ROOT_ID].concat(
                 ($route.current.params.ids || DEFAULT_PATH).split("/")
             );
 
-            function isDirty(){
-                var editorCapability = $scope.navigatedObject &&
-                        $scope.navigatedObject.getCapability("editor"),
-                    hasChanges = editorCapability && editorCapability.dirty();
-                return hasChanges;
-            }
-
             function updateRoute(domainObject) {
                 var priorRoute = $route.current,
                     // Act as if params HADN'T changed to avoid page reload
@@ -75,9 +67,7 @@ define(
                 // urlService.urlForLocation used to adjust current
                 // path to new, addressed, path based on
                 // domainObject
-                $location.path(urlService.urlForLocation("browse",
-                    domainObject.hasCapability('editor') ?
-                        domainObject.getOriginalObject() : domainObject));
+                $location.path(urlService.urlForLocation("browse", domainObject));
 
             }
 
@@ -89,17 +79,15 @@ define(
                     return;
                 }
 
-                if (isDirty() && !confirm(CONFIRM_MSG)) {
-                    $scope.treeModel.selectedObject = $scope.navigatedObject;
-                    navigationService.setNavigation($scope.navigatedObject);
-                } else {
-                    if ($scope.navigatedObject && $scope.navigatedObject.hasCapability("editor")){
-                        $scope.navigatedObject.getCapability("editor").cancel();
-                    }
+                if (navigationService.setNavigation(domainObject)) {
                     $scope.navigatedObject = domainObject;
                     $scope.treeModel.selectedObject = domainObject;
-                    navigationService.setNavigation(domainObject);
                     updateRoute(domainObject);
+                } else {
+                    //If navigation was unsuccessful (ie. blocked), reset
+                    // the selected object in the tree to the currently
+                    // navigated object
+                    $scope.treeModel.selectedObject = $scope.navigatedObject ;
                 }
             }
 
@@ -170,16 +158,11 @@ define(
                 selectedObject: navigationService.getNavigation()
             };
 
-            $scope.beforeUnloadWarning = function() {
-                return isDirty() ?
-                    "Unsaved changes will be lost if you leave this page." :
-                    undefined;
-            };
-
             // Listen for changes in navigation state.
             navigationService.addListener(setNavigation);
 
-            // Also listen for changes which come from the tree
+            // Also listen for changes which come from the tree. Changes in
+            // the tree will trigger a change in browse navigation state.
             $scope.$watch("treeModel.selectedObject", setNavigation);
 
             // Clean up when the scope is destroyed
@@ -191,4 +174,3 @@ define(
         return BrowseController;
     }
 );
-

platform/commonUI/browse/src/BrowseObjectController.js

@@ -22,11 +22,8 @@
 /*global define,Promise*/
 
 define(
-    [
-        '../../../representation/src/gestures/GestureConstants',
-        '../../edit/src/objects/EditableDomainObject'
-    ],
-    function (GestureConstants, EditableDomainObject) {
+    [],
+    function () {
         "use strict";
 
         /**
@@ -57,10 +54,9 @@ define(
 
             function updateQueryParam(viewKey) {
                 var unlisten,
-                    priorRoute = $route.current,
-                    isEditMode = $scope.domainObject && $scope.domainObject.hasCapability('editor');
+                    priorRoute = $route.current;
 
-                if (viewKey && !isEditMode) {
+                if (viewKey) {
                     $location.search('view', viewKey);
                     unlisten = $scope.$on('$locationChangeSuccess', function () {
                         // Checks path to make sure /browse/ is at front
@@ -76,10 +72,6 @@ define(
             $scope.$watch('domainObject', setViewForDomainObject);
             $scope.$watch('representation.selected.key', updateQueryParam);
 
-            $scope.cancelEditing = function() {
-                navigationService.setNavigation($scope.domainObject.getDomainObject());
-            };
-
             $scope.doAction = function (action){
                 return $scope[action] && $scope[action]();
             };
@@ -89,4 +81,3 @@ define(
         return BrowseObjectController;
     }
 );
-

platform/commonUI/browse/src/TypeRegionDecorator.js

@@ -23,9 +23,10 @@
 
 define(
     [
-        './InspectorRegion'
+        './InspectorRegion',
+        './ViewRegion'
     ],
-    function (InspectorRegion) {
+    function (InspectorRegion, ViewRegion) {
         "use strict";
 
         /**
@@ -53,6 +54,7 @@ define(
             var regions = type.getDefinition().regions || {};
 
             regions.inspector = regions.inspector || new InspectorRegion();
+            regions.view = regions.view || new ViewRegion();
 
             type.getDefinition().regions = regions;
 

platform/commonUI/browse/src/ViewRegion.js

@@ -0,0 +1,73 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define,window*/
+
+define(
+    [
+        '../../regions/src/Region'
+    ],
+    function (Region) {
+        "use strict";
+
+        /**
+         * Defines the default View region. Captured in a class to
+         * allow for modular extension and customization of regions based on
+         * the typical case.
+         * @memberOf platform/commonUI/regions
+         * @constructor
+         */
+        function ViewRegion() {
+            Region.call(this);
+
+            this.buildRegion();
+        }
+
+        ViewRegion.prototype = Object.create(Region.prototype);
+        ViewRegion.prototype.constructor = Region;
+
+        /**
+         * @private
+         */
+        ViewRegion.prototype.buildRegion = function() {
+            var browseViewPart = {
+                    name: 'browse-view',
+                    title: 'Browse Object View',
+                    modes: ['browse'],
+                    content: {
+                        key: 'browse-object'
+                    }
+                },
+                editViewPart = {
+                    name: 'edit-view',
+                    title: 'Edit Object View',
+                    modes: ['edit'],
+                    content: {
+                        key: 'edit-object'
+                    }
+                };
+            this.addPart(browseViewPart);
+            this.addPart(editViewPart);
+        };
+
+        return ViewRegion;
+    }
+);

platform/commonUI/browse/src/navigation/NavigationService.js

@@ -37,7 +37,7 @@ define(
          */
         function NavigationService() {
             this.navigated = undefined;
-            this.callbacks = [];
+            this.callbacks = {};
         }
 
         /**
@@ -50,26 +50,48 @@ define(
 
         /**
          * Set the current navigation state. This will invoke listeners.
+         * Changing the navigation state will be blocked if any of the
+         * 'before' navigation state change listeners return 'false'.
          * @param {DomainObject} domainObject the domain object to navigate to
          */
         NavigationService.prototype.setNavigation = function (value) {
+            var canNavigate = true;
             if (this.navigated !== value) {
+                canNavigate = (this.callbacks.before || [])
+                    .reduce(function (previous, callback) {
+                        //Check whether the callback returned a value of
+                        // 'false' indicating that navigation should not
+                        // continue. All other return values will allow
+                        // navigation to continue
+                        return (callback(value)!==false) && previous;
+                    }, true);
+                if (canNavigate) {
                     this.navigated = value;
-                this.callbacks.forEach(function (callback) {
+                    (this.callbacks.after || []).forEach(function (callback) {
                         callback(value);
                     });
                 }
+            }
+            return canNavigate;
         };
 
         /**
          * Listen for changes in navigation. The passed callback will
          * be invoked with the new domain object of navigation when
-         * this changes.
+         * this changes. Callbacks can be registered to listen to pre or
+         * post-navigation events. The event to listen to is specified using
+         * the event parameter. In the case of pre-navigation events
+         * returning a false value will prevent the navigation event from
+         * going ahead.
          * @param {function} callback the callback to invoke when
          *        navigation state changes
+         * @param {string} [event=after] the navigation event to listen to.
+         * One of 'before' or 'after'.
          */
-        NavigationService.prototype.addListener = function (callback) {
-            this.callbacks.push(callback);
+        NavigationService.prototype.addListener = function (callback, event) {
+            event = event || 'after';
+            this.callbacks[event] = this.callbacks[event] || [];
+            this.callbacks[event].push(callback);
         };
 
         /**
@@ -77,9 +99,12 @@ define(
          * @param {function} callback the callback which should
          *        no longer be invoked when navigation state
          *        changes
+         * @param {string} [event=after] the navigation event that the
+         * callback is registered to. One of 'before' or 'after'.
          */
-        NavigationService.prototype.removeListener = function (callback) {
-            this.callbacks = this.callbacks.filter(function (cb) {
+        NavigationService.prototype.removeListener = function (callback, event) {
+            event = event || 'after';
+            this.callbacks[event] = this.callbacks[event].filter(function (cb) {
                 return cb !== callback;
             });
         };

platform/commonUI/browse/test/BrowseControllerSpec.js

@@ -29,8 +29,7 @@ define(
     function (BrowseController) {
         "use strict";
 
-        //TODO: Disabled for NEM Beta
-        xdescribe("The browse controller", function () {
+        describe("The browse controller", function () {
             var mockScope,
                 mockRoute,
                 mockLocation,
@@ -230,7 +229,10 @@ define(
                 // prior to setting $route.current
                 mockLocation.path.andReturn("/browse/");
 
+                mockNavigationService.setNavigation.andReturn(true);
+
                 // Exercise the Angular workaround
+                mockNavigationService.addListener.mostRecentCall.args[0]();
                 mockScope.$on.mostRecentCall.args[1]();
                 expect(mockUnlisten).toHaveBeenCalled();
 
@@ -241,6 +243,32 @@ define(
                 );
             });
 
+            it("after successful navigation event sets the selected tree " +
+                "object", function () {
+                mockScope.navigatedObject = mockDomainObject;
+                mockNavigationService.setNavigation.andReturn(true);
+
+                //Simulate a change in selected tree object
+                mockScope.treeModel = {selectedObject: mockDomainObject};
+                mockScope.$watch.mostRecentCall.args[1](mockNextObject);
+
+                expect(mockScope.treeModel.selectedObject).toBe(mockNextObject);
+                expect(mockScope.treeModel.selectedObject).not.toBe(mockDomainObject);
+            });
+
+            it("after failed navigation event resets the selected tree" +
+                " object", function () {
+                mockScope.navigatedObject = mockDomainObject;
+                mockNavigationService.setNavigation.andReturn(false);
+
+                //Simulate a change in selected tree object
+                mockScope.treeModel = {selectedObject: mockDomainObject};
+                mockScope.$watch.mostRecentCall.args[1](mockNextObject);
+
+                expect(mockScope.treeModel.selectedObject).not.toBe(mockNextObject);
+                expect(mockScope.treeModel.selectedObject).toBe(mockDomainObject);
+            });
+
         });
     }
 );

platform/commonUI/browse/test/navigation/NavigationServiceSpec.js

@@ -84,6 +84,24 @@ define(
                 expect(callback).not.toHaveBeenCalled();
             });
 
+            it("adds listeners to the 'after' state by default", function(){
+                expect(navigationService.callbacks.after).toBeUndefined();
+                navigationService.addListener(function(){});
+                expect(navigationService.callbacks.after).toBeDefined();
+                expect(navigationService.callbacks.after.length).toBe(1);
+            });
+
+            it("allows navigationService events to be prevented", function(){
+                var callback = jasmine.createSpy("callback"),
+                    navigationResult;
+                callback.andReturn(false);
+                navigationService.addListener(callback, "before");
+                navigationResult = navigationService.setNavigation({});
+                expect(callback).toHaveBeenCalled();
+                expect(navigationResult).toBe(false);
+
+            });
+
         });
     }
 );

platform/commonUI/edit/bundle.js

@@ -22,10 +22,10 @@
 /*global define*/
 
 define([
-    "./src/controllers/EditController",
     "./src/controllers/EditActionController",
     "./src/controllers/EditPanesController",
     "./src/controllers/ElementsController",
+    "./src/controllers/EditObjectController",
     "./src/directives/MCTBeforeUnload",
     "./src/actions/LinkAction",
     "./src/actions/EditAction",
@@ -38,10 +38,10 @@ define([
     "./src/representers/EditToolbarRepresenter",
     'legacyRegistry'
 ], function (
-    EditController,
     EditActionController,
     EditPanesController,
     ElementsController,
+    EditObjectController,
     MCTBeforeUnload,
     LinkAction,
     EditAction,
@@ -58,22 +58,7 @@ define([
 
     legacyRegistry.register("platform/commonUI/edit", {
         "extensions": {
-            "routes": [
-                {
-                    "when": "/edit",
-                    "templateUrl": "templates/edit.html"
-                }
-            ],
             "controllers": [
-                {
-                    "key": "EditController",
-                    "implementation": EditController,
-                    "depends": [
-                        "$scope",
-                        "$q",
-                        "navigationService"
-                    ]
-                },
                 {
                     "key": "EditActionController",
                     "implementation": EditActionController,
@@ -94,6 +79,14 @@ define([
                     "depends": [
                         "$scope"
                     ]
+                },
+                {
+                    "key": "EditObjectController",
+                    "implementation": EditObjectController,
+                    "depends": [
+                        "$scope",
+                        "$location"
+                    ]
                 }
             ],
             "directives": [
@@ -101,7 +94,8 @@ define([
                     "key": "mctBeforeUnload",
                     "implementation": MCTBeforeUnload,
                     "depends": [
-                        "$window"
+                        "$window",
+                        "navigationService"
                     ]
                 }
             ],
@@ -197,6 +191,9 @@ define([
                     "templateUrl": "templates/edit-object.html",
                     "uses": [
                         "view"
+                    ],
+                    "gestures": [
+                        "drop"
                     ]
                 },
                 {

platform/commonUI/edit/res/templates/edit-object.html

@@ -19,50 +19,51 @@
  this source code distribution or the Licensing information page available
  at runtime from the About dialog for additional information.
 -->
-<mct-representation key="'topbar-edit'"
+<div class="abs l-flex-col" ng-controller="EditObjectController as EditObjectController">
+    <div mct-before-unload="EditObjectController.getUnloadWarning()"
+         class="holder flex-elem l-flex-row object-browse-bar ">
+        <div class="items-select left flex-elem l-flex-row grows">
+            <mct-representation key="'back-arrow'"
+                                mct-object="domainObject"
+                                class="flex-elem l-back"></mct-representation>
+            <mct-representation key="'object-header'"
+                                mct-object="domainObject"
+                                class="l-flex-row flex-elem grows object-header">
+            </mct-representation>
+        </div>
+        <div class="btn-bar right l-flex-row flex-elem flex-justify-end flex-fixed">
+            <mct-representation key="'switcher'"
                                 mct-object="domainObject"
                                 ng-model="representation">
-</mct-representation>
-<div class="holder edit-area abs">
-    <mct-split-pane class='contents abs' anchor='right'>
-        <div class='split-pane-component pane left edit-main'>
+            </mct-representation>
+            <!-- Temporarily, on mobile, the action buttons are hidden-->
+            <mct-representation key="'action-group'"
+                                mct-object="domainObject"
+                                parameters="{ category: 'view-control' }"
+                                class="mobile-hide">
+            </mct-representation>
+        </div>
+    </div>
+    <div class="holder l-flex-col flex-elem grows l-object-wrapper">
+        <div class="holder l-flex-col flex-elem grows l-object-wrapper-inner">
+            <!-- Toolbar and Save/Cancel buttons -->
+            <div class="l-edit-controls flex-elem l-flex-row flex-align-end">
                 <mct-toolbar name="mctToolbar"
                              structure="toolbar.structure"
-                         ng-model="toolbar.state">
+                             ng-model="toolbar.state"
+                             class="flex-elem grows">
                 </mct-toolbar>
+                <mct-representation key="'edit-action-buttons'"
+                                    mct-object="domainObject"
+                                    class='flex-elem conclude-editing'>
+                </mct-representation>
+
+            </div>
             <mct-representation key="representation.selected.key"
-                                toolbar="toolbar"
                                 mct-object="representation.selected.key && domainObject"
-                                class="holder abs object-holder work-area">
+                                class="abs flex-elem grows object-holder-main scroll"
+                                toolbar="toolbar">
             </mct-representation>
+        </div><!--/ l-object-wrapper-inner -->
     </div>
-        <mct-splitter></mct-splitter>
-        <div
-            class='split-pane-component pane right edit-objects menus-to-left'
-            ng-controller='EditPanesController as editPanes'
-            >
-            <mct-split-pane class='contents abs' anchor='bottom'>
-                <div
-                    class="abs pane top accordion"
-                    ng-controller="ToggleController as toggle"
-                    >
-                    <mct-container key="accordion" label="Library">
-                        <mct-representation key="'tree'"
-                                            mct-object="editPanes.getRoot()">
-                        </mct-representation>
-                    </mct-container>
-                </div>
-                <mct-splitter></mct-splitter>
-                <div
-                    class="abs pane bottom accordion"
-                    ng-controller="ToggleController as toggle"
-                    >
-                    <mct-container key="accordion" label="Elements">
-                        <mct-representation key="'edit-elements'" mct-object="domainObject">
-                        </mct-representation>
-                    </mct-container>
-                </div>
-            </mct-split-pane>
-        </div>
-    </mct-split-pane>
 </div>

platform/commonUI/edit/src/actions/EditAction.js

@@ -72,13 +72,26 @@ define(
          * Enter edit mode.
          */
         EditAction.prototype.perform = function () {
-            var editableObject;
+            var self = this;
             if (!this.domainObject.hasCapability("editor")) {
-                editableObject = new EditableDomainObject(this.domainObject, this.$q);
-                editableObject.getCapability('status').set('editing', true);
-                this.navigationService.setNavigation(editableObject);
+                //TODO: This is only necessary because the drop gesture is
+                // wrapping the object itself, need to refactor this later.
+                // All responsibility for switching into edit mode should be
+                // in the edit action, and not duplicated in the gesture
+                this.domainObject = new EditableDomainObject(this.domainObject, this.$q);
             }
-            //this.$location.path("/edit");
+            this.navigationService.setNavigation(this.domainObject);
+            this.domainObject.getCapability('status').set('editing', true);
+
+            //Register a listener to automatically cancel this edit action
+            //if the user navigates away from this object.
+            function cancelEditing(navigatedTo){
+                if (!navigatedTo || navigatedTo.getId() !== self.domainObject.getId()) {
+                    self.domainObject.getCapability('editor').cancel();
+                    self.navigationService.removeListener(cancelEditing);
+                }
+            }
+            this.navigationService.addListener(cancelEditing);
         };
 
         /**

platform/commonUI/edit/src/controllers/EditObjectController.js

@@ -26,41 +26,44 @@
  * @namespace platform/commonUI/edit
  */
 define(
-    ["../objects/EditableDomainObject"],
-    function (EditableDomainObject) {
+    [],
+    function () {
         "use strict";
 
         /**
          * Controller which is responsible for populating the scope for
-         * Edit mode; introduces an editable version of the currently
-         * navigated domain object into the scope.
+         * Edit mode
          * @memberof platform/commonUI/edit
          * @constructor
          */
-        function EditController($scope, $q, navigationService) {
-            var self = this;
+        function EditObjectController($scope, $location) {
+            this.scope = $scope;
 
-            function setNavigation(domainObject) {
-                // Wrap the domain object such that all mutation is
-                // confined to edit mode (until Save)
-                self.navigatedDomainObject =
-                    domainObject && new EditableDomainObject(domainObject, $q);
+            var navigatedObject;
+            function setViewForDomainObject(domainObject) {
+
+                var locationViewKey = $location.search().view;
+
+                function selectViewIfMatching(view) {
+                    if (view.key === locationViewKey) {
+                        $scope.representation = $scope.representation || {};
+                        $scope.representation.selected = view;
+                    }
                 }
 
-            setNavigation(navigationService.getNavigation());
-            navigationService.addListener(setNavigation);
-            $scope.$on("$destroy", function () {
-                navigationService.removeListener(setNavigation);
-            });
+                if (locationViewKey) {
+                    ((domainObject && domainObject.useCapability('view')) || [])
+                        .forEach(selectViewIfMatching);
+                }
+                navigatedObject = domainObject;
             }
 
-        /**
-         * Get the domain object which is navigated-to.
-         * @returns {DomainObject} the domain object that is navigated-to
-         */
-        EditController.prototype.navigatedObject = function () {
-            return this.navigatedDomainObject;
+            $scope.$watch('domainObject', setViewForDomainObject);
+
+            $scope.doAction = function (action){
+                return $scope[action] && $scope[action]();
             };
+        }
 
         /**
          * Get the warning to show if the user attempts to navigate
@@ -68,17 +71,20 @@ define(
          * @returns {string} the warning to show, or undefined if
          *          there are no unsaved changes
          */
-        EditController.prototype.getUnloadWarning = function () {
-            var navigatedObject = this.navigatedDomainObject,
+        EditObjectController.prototype.getUnloadWarning = function () {
+            var navigatedObject = this.scope.domainObject,
                 editorCapability = navigatedObject &&
                     navigatedObject.getCapability("editor"),
-                hasChanges = editorCapability && editorCapability.dirty();
+                statusCapability = navigatedObject &&
+                    navigatedObject.getCapability("status"),
+                hasChanges = statusCapability && statusCapability.get('editing')
+                    && editorCapability && editorCapability.dirty();
 
             return hasChanges ?
                 "Unsaved changes will be lost if you leave this page." :
                 undefined;
         };
 
-        return EditController;
+        return EditObjectController;
     }
 );

platform/commonUI/edit/src/directives/MCTBeforeUnload.js

@@ -35,7 +35,7 @@ define(
          * @constructor
          * @param $window the window
          */
-        function MCTBeforeUnload($window) {
+        function MCTBeforeUnload($window, navigationService) {
             var unloads = [],
                 oldBeforeUnload = $window.onbeforeunload;
 
@@ -55,8 +55,23 @@ define(
                     return scope.$eval(attrs.mctBeforeUnload);
                 }
 
+                function shouldAllowNavigation(){
+                    // Get an unload message (if any)
+                    var warning = unload();
+                    // Prompt the user if there's an unload message
+                    return !warning || $window.confirm(warning);
+                }
+
+                // Show a dialog before allowing a location change
+                function checkNavigationEvent(event) {
+                    // Return a false value to the navigationService to
+                    // indicate that the navigation event should be prevented
+                    return shouldAllowNavigation();
+                }
+
                 // Stop using this unload expression
                 function removeUnload() {
+                    navigationService.removeListener(checkNavigationEvent, "before");
                     unloads = unloads.filter(function (callback) {
                         return callback !== unload;
                     });
@@ -67,11 +82,8 @@ define(
 
                 // Show a dialog before allowing a location change
                 function checkLocationChange(event) {
-                    // Get an unload message (if any)
-                    var warning = unload();
-                    // Prompt the user if there's an unload message
-                    if (warning && !$window.confirm(warning)) {
-                        // ...and prevent the route change if it was confirmed
+                    if (!shouldAllowNavigation()) {
+                        // Prevent the route change if it was confirmed
                         event.preventDefault();
                     }
                 }
@@ -90,6 +102,8 @@ define(
 
                 // Also handle route changes
                 scope.$on("$locationChangeStart", checkLocationChange);
+
+                navigationService.addListener(checkNavigationEvent, "before");
             }
 
             return {

platform/commonUI/edit/test/controllers/EditControllerSpec.js

@@ -22,89 +22,72 @@
 /*global define,describe,it,expect,beforeEach,jasmine*/
 
 define(
-    ["../../src/controllers/EditController"],
-    function (EditController) {
+    ["../../src/controllers/EditObjectController"],
+    function (EditObjectController) {
         "use strict";
 
         describe("The Edit mode controller", function () {
             var mockScope,
-                mockQ,
-                mockNavigationService,
                 mockObject,
                 mockType,
+                mockLocation,
+                mockStatusCapability,
+                mockCapabilities,
                 controller;
 
+            // Utility function; look for a $watch on scope and fire it
+            function fireWatch(expr, value) {
+                mockScope.$watch.calls.forEach(function (call) {
+                    if (call.args[0] === expr) {
+                        call.args[1](value);
+                    }
+                });
+            }
+
             beforeEach(function () {
                 mockScope = jasmine.createSpyObj(
                     "$scope",
-                    [ "$on" ]
-                );
-                mockQ = jasmine.createSpyObj('$q', ['when', 'all']);
-                mockNavigationService = jasmine.createSpyObj(
-                    "navigationService",
-                    [ "getNavigation", "addListener", "removeListener" ]
+                    [ "$on", "$watch" ]
                 );
                 mockObject = jasmine.createSpyObj(
                     "domainObject",
-                    [ "getId", "getModel", "getCapability", "hasCapability" ]
+                    [ "getId", "getModel", "getCapability", "hasCapability", "useCapability" ]
                 );
                 mockType = jasmine.createSpyObj(
                     "type",
                     [ "hasFeature" ]
                 );
+                mockStatusCapability = jasmine.createSpyObj('statusCapability',
+                    ["get"]
+                );
+
+                mockCapabilities = {
+                    "type" : mockType,
+                    "status": mockStatusCapability
+                };
+
+                mockLocation = jasmine.createSpyObj('$location',
+                    ["search"]
+                );
+                mockLocation.search.andReturn({"view": "fixed"});
 
-                mockNavigationService.getNavigation.andReturn(mockObject);
                 mockObject.getId.andReturn("test");
                 mockObject.getModel.andReturn({ name: "Test object" });
                 mockObject.getCapability.andCallFake(function (key) {
-                    return key === 'type' && mockType;
+                    return mockCapabilities[key];
                 });
                 mockType.hasFeature.andReturn(true);
 
-                controller = new EditController(
+                mockScope.domainObject = mockObject;
+
+                controller = new EditObjectController(
                     mockScope,
-                    mockQ,
-                    mockNavigationService
+                    mockLocation
                 );
             });
 
-            it("exposes the currently-navigated object", function () {
-                expect(controller.navigatedObject()).toBeDefined();
-                expect(controller.navigatedObject().getId()).toEqual("test");
-            });
-
-            it("adds an editor capability to the navigated object", function () {
-                // Should provide an editor capability...
-                expect(controller.navigatedObject().getCapability("editor"))
-                    .toBeDefined();
-                // Shouldn't have been the mock capability we provided
-                expect(controller.navigatedObject().getCapability("editor"))
-                    .not.toEqual(mockType);
-            });
-
-            it("detaches its navigation listener when destroyed", function () {
-                var navCallback = mockNavigationService
-                        .addListener.mostRecentCall.args[0];
-
-                expect(mockScope.$on).toHaveBeenCalledWith(
-                    "$destroy",
-                    jasmine.any(Function)
-                );
-
-                // Verify precondition
-                expect(mockNavigationService.removeListener)
-                    .not.toHaveBeenCalled();
-
-                // Trigger destroy
-                mockScope.$on.mostRecentCall.args[1]();
-
-                // Listener should have been removed
-                expect(mockNavigationService.removeListener)
-                    .toHaveBeenCalledWith(navCallback);
-            });
-
             it("exposes a warning message for unload", function () {
-                var obj = controller.navigatedObject(),
+                var obj = mockObject,
                     mockEditor = jasmine.createSpyObj('editor', ['dirty']);
 
                 // Normally, should be undefined
@@ -112,14 +95,32 @@ define(
 
                 // Override the object's editor capability, make it look
                 // like there are unsaved changes.
-                obj.getCapability = jasmine.createSpy();
-                obj.getCapability.andReturn(mockEditor);
+                mockCapabilities.editor = mockEditor;
                 mockEditor.dirty.andReturn(true);
+                mockStatusCapability.get.andReturn(true);
 
                 // Should have some warning message here now
                 expect(controller.getUnloadWarning()).toEqual(jasmine.any(String));
             });
 
+
+            it("sets the active view from query parameters", function () {
+                var testViews = [
+                        { key: 'abc' },
+                        { key: 'def', someKey: 'some value' },
+                        { key: 'xyz' }
+                    ];
+
+                mockObject.useCapability.andCallFake(function (c) {
+                    return (c === 'view') && testViews;
+                });
+                mockLocation.search.andReturn({ view: 'def' });
+
+                fireWatch('domainObject', mockObject);
+                expect(mockScope.representation.selected)
+                    .toEqual(testViews[1]);
+            });
+
         });
     }
 );

platform/commonUI/edit/test/directives/MCTBeforeUnloadSpec.js

@@ -31,6 +31,7 @@ define(
                 mockScope,
                 testAttrs,
                 mockEvent,
+                mockNavigationService,
                 directive;
 
             function fireListener(eventType, value) {
@@ -46,7 +47,8 @@ define(
                 mockScope = jasmine.createSpyObj("$scope", ['$eval', '$on']);
                 testAttrs = { mctBeforeUnload: "someExpression" };
                 mockEvent = jasmine.createSpyObj("event", ["preventDefault"]);
-                directive = new MCTBeforeUnload(mockWindow);
+                mockNavigationService = jasmine.createSpyObj("navigationService", ["addListener", "removeListener"]);
+                directive = new MCTBeforeUnload(mockWindow, mockNavigationService);
                 directive.link(mockScope, {}, testAttrs);
             });
 
@@ -65,6 +67,10 @@ define(
                 );
             });
 
+            it("listens for navigation changes", function () {
+                expect(mockNavigationService.addListener).toHaveBeenCalledWith(jasmine.any(Function), "before");
+            });
+
             it("listens for its scope's destroy event", function () {
                 expect(mockScope.$on).toHaveBeenCalledWith(
                     "$destroy",
@@ -108,6 +114,7 @@ define(
             it("cleans up listeners when destroyed", function () {
                 fireListener("$destroy", mockEvent);
                 expect(mockWindow.onbeforeunload).toBeUndefined();
+                expect(mockNavigationService.removeListener).toHaveBeenCalled();
             });
 
 

platform/commonUI/edit/test/representers/EditRepresenterSpec.js

@@ -33,6 +33,8 @@ define(
                 testRepresentation,
                 mockDomainObject,
                 mockPersistence,
+                mockStatusCapability,
+                mockCapabilities,
                 representer;
 
             function mockPromise(value) {
@@ -57,11 +59,20 @@ define(
                 ]);
                 mockPersistence =
                     jasmine.createSpyObj("persistence", ["persist"]);
+                mockStatusCapability =
+                    jasmine.createSpyObj("statusCapability", ["get", "listen"]);
+
+                mockCapabilities = {
+                    "persistence": mockPersistence,
+                    "status": mockStatusCapability
+                };
 
                 mockDomainObject.getModel.andReturn({});
                 mockDomainObject.hasCapability.andReturn(true);
                 mockDomainObject.useCapability.andReturn(true);
-                mockDomainObject.getCapability.andReturn(mockPersistence);
+                mockDomainObject.getCapability.andCallFake(function(capability){
+                    return mockCapabilities[capability];
+                });
 
                 representer = new EditRepresenter(mockQ, mockLog, mockScope);
                 representer.represent(testRepresentation, mockDomainObject);

platform/representation/src/gestures/DropGesture.js

@@ -165,16 +165,14 @@ define(
                     if (shouldCreateVirtualPanel(domainObject, selectedObject)){
                         editableDomainObject = createVirtualPanel(domainObject, selectedObject);
                         if (editableDomainObject) {
-                            navigationService.setNavigation(editableDomainObject);
+                            editableDomainObject.getCapability('action').perform('edit');
                             broadcastDrop(id, event);
-                            editableDomainObject.getCapability('status').set('editing', true);
                         }
                     } else {
                         $q.when(action && action.perform()).then(function (result) {
                             //Don't go into edit mode for folders
                             if (domainObjectType!=='folder') {
-                                navigationService.setNavigation(editableDomainObject);
-                                editableDomainObject.getCapability('status').set('editing', true);
+                                editableDomainObject.getCapability('action').perform('edit');
                             }
                             broadcastDrop(id, event);
                         });