EdgeEvents: added toast.showError() for deleted entities

@@ -389,6 +389,19 @@ export default angular.module('thingsboard.types', [])
                 customer: "CUSTOMER",
                 relation: "RELATION"
             },
+            edgeEventAction: {
+                updated: "UPDATED",
+                added: "ADDED",
+                assignedToEdge: "ASSIGNED_TO_EDGE",
+                deleted: "DELETED",
+                unassignedFromEdge: "UNASSIGNED_FROM_EDGE",
+                alarmAck: "ALARM_ACK",
+                alarmClear: "ALARM_CLEAR",
+                credentialsUpdated: "CREDENTIALS_UPDATED",
+                attributesUpdated: "ATTRIBUTES_UPDATED",
+                attributesDeleted: "ATTRIBUTES_DELETED",
+                timeseriesUpdated: "TIMESERIES_UPDATED"
+            },
             importEntityColumnType: {
                 name: {
                     name: 'import.column-type.name',

@@ -102,37 +102,45 @@ export default function EventRowDirective($compile, $templateCache, $mdDialog, $
             switch(scope.event.edgeEventType) {
                 case types.edgeEventType.relation:
                     content = angular.toJson(scope.event.entityBody);
+                    showDialog();
                     break;
                 case types.edgeEventType.ruleChainMetaData:
-                    content = ruleChainService.getRuleChainMetaData(scope.event.entityId, {}).then(
+                    content = ruleChainService.getRuleChainMetaData(scope.event.entityId, {ignoreErrors: true}).then(
                         function success(info) {
+                            showDialog();
                             return angular.toJson(info);
                         }, function fail() {
-                            toast.showError($translate.instant('edge.load-entity-error'));
+                            showError();
                         });
                     break;
                 default:
-                    content = entityService.getEntity(scope.event.edgeEventType, scope.event.entityId, {}).then(
+                    content = entityService.getEntity(scope.event.edgeEventType, scope.event.entityId, {ignoreLoading: true, ignoreErrors: true}).then(
                         function success(info) {
+                            showDialog();
                             return angular.toJson(info);
                         }, function fail() {
-                            toast.showError($translate.instant('edge.load-entity-error'));
+                            showError();
                         });
                     break;
             }
-            $mdDialog.show({
-                controller: 'EventContentDialogController',
-                controllerAs: 'vm',
-                templateUrl: eventErrorDialogTemplate,
-                locals: {content: content, title: title, contentType: contentType, showingCallback: onShowingCallback},
-                parent: angular.element($document[0].body),
-                fullscreen: true,
-                targetEvent: $event,
-                multiple: true,
-                onShowing: function(scope, element) {
-                    onShowingCallback.onShowing(scope, element);
-                }
-            });
+            function showDialog() {
+                $mdDialog.show({
+                    controller: 'EventContentDialogController',
+                    controllerAs: 'vm',
+                    templateUrl: eventErrorDialogTemplate,
+                    locals: {content: content, title: title, contentType: contentType, showingCallback: onShowingCallback},
+                    parent: angular.element($document[0].body),
+                    fullscreen: true,
+                    targetEvent: $event,
+                    multiple: true,
+                    onShowing: function(scope, element) {
+                        onShowingCallback.onShowing(scope, element);
+                    }
+                });
+            }
+            function showError() {
+                toast.showError($translate.instant('edge.load-entity-error'));
+            }
         }
 
         scope.checkTooltip = function($event) {

@@ -821,7 +821,7 @@
         "make-private-edge-text": "After the confirmation the edge and all its data will be made private and won't be accessible by others.",
         "import": "Import edge",
         "label": "Label",
-        "load-entity-error": "Could not load entity info",
+        "load-entity-error": "Entity not found. Failed to load info",
         "assign-new-edge": "Assign new edge",
         "manage-edge-dashboards": "Manage edge dashboards",
         "unassign-from-edge": "Unassign from edge",