feat: add custom context menu items for copy, cut, and paste commands

frontend/appflowy_flutter/integration_test/document/document_copy_and_paste_test.dart

@@ -226,6 +226,30 @@ void main() {
       );
     },
   );
+
+  // https://github.com/AppFlowy-IO/AppFlowy/issues/3263
+  testWidgets(
+    'paste the image from clipboard when html and image are both available',
+    (tester) async {
+      const html =
+          '''<meta charset='utf-8'><img src="https://user-images.githubusercontent.com/9403740/262918875-603f4adb-58dd-49b5-8201-341d354935fd.png" alt="image"/>''';
+      final image = await rootBundle.load('assets/test/images/sample.png');
+      final bytes = image.buffer.asUint8List();
+      await tester.pasteContent(
+        html: html,
+        image: ('png', bytes),
+        (editorState) {
+          expect(editorState.document.root.children.length, 2);
+          final node = editorState.getNodeAtPath([0])!;
+          expect(node.type, ImageBlockKeys.type);
+          expect(
+            node.attributes[ImageBlockKeys.url],
+            'https://user-images.githubusercontent.com/9403740/262918875-603f4adb-58dd-49b5-8201-341d354935fd.png',
+          );
+        },
+      );
+    },
+  );
 }
 
 extension on WidgetTester {

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_page.dart

@@ -159,6 +159,7 @@ class _AppFlowyEditorPageState extends State<AppFlowyEditorPage> {
       // customize the shortcuts
       characterShortcutEvents: characterShortcutEvents,
       commandShortcutEvents: commandShortcutEvents,
+      contextMenuItems: customContextMenuItems,
       header: widget.header,
       footer: const VSpace(200),
     );

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/context_menu/custom_context_menu.dart

@@ -0,0 +1,21 @@
+import 'package:appflowy/generated/locale_keys.g.dart';
+import 'package:appflowy/plugins/document/presentation/editor_plugins/plugins.dart';
+import 'package:appflowy_editor/appflowy_editor.dart';
+import 'package:easy_localization/easy_localization.dart';
+
+final List<List<ContextMenuItem>> customContextMenuItems = [
+  [
+    ContextMenuItem(
+      name: LocaleKeys.document_plugins_contextMenu_copy.tr(),
+      onPressed: (editorState) => customCopyCommand.execute(editorState),
+    ),
+    ContextMenuItem(
+      name: LocaleKeys.document_plugins_contextMenu_paste.tr(),
+      onPressed: (editorState) => customPasteCommand.execute(editorState),
+    ),
+    ContextMenuItem(
+      name: LocaleKeys.document_plugins_contextMenu_cut.tr(),
+      onPressed: (editorState) => customCutCommand.execute(editorState),
+    ),
+  ],
+];

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/copy_and_paste/editor_state_paste_node_extension.dart

@@ -17,15 +17,7 @@ extension PasteNodes on EditorState {
     if (delta.isEmpty) {
       transaction.insertNode(
         selection.end.path.next,
-        insertedDelta == null
+        insertedNode,
-            ? node.copyWith(
-                type: node.type,
-                attributes: {
-                  ...node.attributes,
-                  ...insertedNode.attributes,
-                },
-              )
-            : insertedNode,
       );
       transaction.deleteNode(node);
       final path = calculatePath(selection.end.path, [insertedNode]);

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/plugins.dart

@@ -3,6 +3,7 @@ export 'actions/option_action.dart';
 export 'callout/callout_block_component.dart';
 export 'code_block/code_block_component.dart';
 export 'code_block/code_block_shortcut_event.dart';
+export 'context_menu/custom_context_menu.dart';
 export 'copy_and_paste/custom_copy_command.dart';
 export 'copy_and_paste/custom_cut_command.dart';
 export 'copy_and_paste/custom_paste_command.dart';

frontend/appflowy_flutter/pubspec.lock

@@ -54,8 +54,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: f4db21c
+      ref: "28c5adf"
-      resolved-ref: f4db21c3678290d133ae6cffa015d3d79920bf84
+      resolved-ref: "28c5adf0f94c22e74a260c8a0bf5b20cb6e5a12d"
       url: "https://github.com/AppFlowy-IO/appflowy-editor.git"
     source: git
     version: "1.2.3"

frontend/appflowy_flutter/pubspec.yaml

@@ -48,7 +48,7 @@ dependencies:
   appflowy_editor:
     git:
       url: https://github.com/AppFlowy-IO/appflowy-editor.git
-      ref: f4db21c
+      ref: 28c5adf
   appflowy_popover:
     path: packages/appflowy_popover
 

frontend/resources/translations/en.json

@@ -548,6 +548,11 @@
       },
       "outline": {
         "addHeadingToCreateOutline": "Add headings to create a table of contents."
+      },
+      "contextMenu": {
+        "copy": "Copy",
+        "cut": "Cut",
+        "paste": "Paste"
       }
     },
     "textBlock": {