Rename memento event.

Author: ilopX

patterns/memento/memento_editor/application.dart

@@ -1,6 +1,6 @@
 import 'dart:math';
 
-import 'editor/create_memento_event.dart';
+import 'editor/memento_create_event.dart';
 import 'editor/editor.dart';
 import 'memento_pattern/caretaker.dart';
 import 'memento_pattern/memento.dart';
@@ -32,7 +32,7 @@ class MementoEditorApplication {
 
     final memento = Memento(DateTime.now(), snapshot);
     caretaker.addMemento(memento);
-    editor.events.notify(CreateMementoEvent());
+    editor.events.notify(MementoCreateEvent());
   }
 
   void restoreState(Memento memento) {

patterns/memento/memento_editor/editor/create_memento_event.dart renamed to patterns/memento/memento_editor/editor/memento_create_event.dart

@@ -1,3 +1,3 @@
 import '../../../observer/app_observer/observer/event.dart';
 
-class CreateMementoEvent extends Event {}
+class MementoCreateEvent extends Event {}

patterns/memento/memento_editor/widgets/panels/memento_widget.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 
 import '../../../../observer/subscriber_flutter_widget/subscriber/subscriber_widget.dart';
 import '../../application.dart';
-import '../../editor/create_memento_event.dart';
+import '../../editor/memento_create_event.dart';
 import '../composite/named_panel.dart';
 import '../composite/snapshot_list_widget.dart';
 
@@ -21,7 +21,7 @@ class MementoWidget extends StatelessWidget {
         _buildSaveStateButton(),
         SizedBox(height: 5),
         Expanded(
-          child: SubscriberWidget<CreateMementoEvent>(
+          child: SubscriberWidget<MementoCreateEvent>(
             observer: app.editor.events,
             builder: (buildContext, event) {
               return SnapshotListWidget(