feat: allow passing in a context menu builder (#1152)

* feat: allow passing in a context menu builder

* test: fix test

* chore: dart analyzer

lib/src/editor/editor_component/service/editor.dart

@@ -26,7 +26,7 @@ class AppFlowyEditor extends StatefulWidget {
     Map<String, BlockComponentBuilder>? blockComponentBuilders,
     List<CharacterShortcutEvent>? characterShortcutEvents,
     List<CommandShortcutEvent>? commandShortcutEvents,
-    List<List<ContextMenuItem>>? contextMenuItems,
+    this.contextMenuBuilder,
     this.contentInsertionConfiguration,
     this.editable = true,
     this.autoFocus = false,
@@ -53,8 +53,7 @@ class AppFlowyEditor extends StatefulWidget {
         characterShortcutEvents =
             characterShortcutEvents ?? standardCharacterShortcutEvents,
         commandShortcutEvents =
-            commandShortcutEvents ?? standardCommandShortcutEvents,
-        contextMenuItems = contextMenuItems ?? standardContextMenuItems;
+            commandShortcutEvents ?? standardCommandShortcutEvents;
 
   final EditorState editorState;
 
@@ -122,16 +121,14 @@ class AppFlowyEditor extends StatefulWidget {
   /// ```
   final List<CommandShortcutEvent> commandShortcutEvents;
 
-  /// The context menu items.
+  /// The context menu builder.
   ///
-  /// They will be shown when the user right click on the editor.
-  /// Each item will be separated by a divider.
+  /// It will be shown when the user right click on the editor.
   ///
-  /// Defaults to [standardContextMenuItems].
+  /// Defaults to a standard implementation containing
+  /// [standardContextMenuItems].
   ///
-  /// If empty the context menu won't appear.
-  ///
-  final List<List<ContextMenuItem>>? contextMenuItems;
+  final ContextMenuWidgetBuilder? contextMenuBuilder;
 
   /// Provide a editorScrollController to control the scroll behavior
   ///
@@ -345,7 +342,7 @@ class _AppFlowyEditorState extends State<AppFlowyEditor> {
         cursorColor: widget.editorStyle.cursorColor,
         selectionColor: widget.editorStyle.selectionColor,
         showMagnifier: widget.showMagnifier,
-        contextMenuItems: widget.contextMenuItems,
+        contextMenuBuilder: widget.contextMenuBuilder,
         dropTargetStyle: widget.dropTargetStyle,
         child: child,
       );

lib/src/editor/editor_component/service/selection/desktop_selection_service.dart

@@ -11,7 +11,7 @@ class DesktopSelectionServiceWidget extends StatefulWidget {
     super.key,
     this.cursorColor = const Color(0xFF00BCF0),
     this.selectionColor = const Color(0xFF00BCF0),
-    this.contextMenuItems,
+    this.contextMenuBuilder,
     required this.child,
     this.dropTargetStyle = const AppFlowyDropTargetStyle(),
   });
@@ -19,7 +19,7 @@ class DesktopSelectionServiceWidget extends StatefulWidget {
   final Widget child;
   final Color cursorColor;
   final Color selectionColor;
-  final List<List<ContextMenuItem>>? contextMenuItems;
+  final ContextMenuWidgetBuilder? contextMenuBuilder;
   final AppFlowyDropTargetStyle dropTargetStyle;
 
   @override
@@ -425,8 +425,8 @@ class _DesktopSelectionServiceWidgetState
   void _showContextMenu(TapDownDetails details) {
     _clearContextMenu();
 
-    // Don't trigger the context menu if there are no items
-    if (widget.contextMenuItems == null || widget.contextMenuItems!.isEmpty) {
+    // Don't trigger the context menu if the builder is null
+    if (widget.contextMenuBuilder == null) {
       return;
     }
 
@@ -458,12 +458,14 @@ class _DesktopSelectionServiceWidgetState
         editorState.renderBox?.localToGlobal(Offset.zero) ?? Offset.zero;
     final offset = details.localPosition + const Offset(10, 10) + baseOffset;
     final contextMenu = OverlayEntry(
-      builder: (context) => ContextMenu(
-        position: offset,
-        editorState: editorState,
-        items: widget.contextMenuItems!,
-        onPressed: () => _clearContextMenu(),
-      ),
+      builder: (_) =>
+          widget.contextMenuBuilder?.call(
+            context,
+            offset,
+            editorState,
+            () => _clearContextMenu(),
+          ) ??
+          SizedBox.shrink(),
     );
 
     _contextMenuAreas.add(contextMenu);

lib/src/editor/editor_component/service/selection_service_widget.dart

@@ -11,7 +11,7 @@ class SelectionServiceWidget extends StatefulWidget {
     this.cursorColor = const Color(0xFF00BCF0),
     this.selectionColor = const Color.fromARGB(53, 111, 201, 231),
     this.showMagnifier = true,
-    this.contextMenuItems,
+    this.contextMenuBuilder,
     this.dropTargetStyle,
     required this.child,
   });
@@ -19,7 +19,7 @@ class SelectionServiceWidget extends StatefulWidget {
   final Widget child;
   final Color cursorColor;
   final Color selectionColor;
-  final List<List<ContextMenuItem>>? contextMenuItems;
+  final ContextMenuWidgetBuilder? contextMenuBuilder;
   final AppFlowyDropTargetStyle? dropTargetStyle;
 
   /// Show the magnifier or not.
@@ -47,7 +47,7 @@ class _SelectionServiceWidgetState extends State<SelectionServiceWidget>
         key: forwardKey,
         cursorColor: widget.cursorColor,
         selectionColor: widget.selectionColor,
-        contextMenuItems: widget.contextMenuItems,
+        contextMenuBuilder: widget.contextMenuBuilder,
         dropTargetStyle:
             widget.dropTargetStyle ?? const AppFlowyDropTargetStyle(),
         child: widget.child,

lib/src/service/context_menu/context_menu.dart

@@ -1,6 +1,13 @@
 import 'package:appflowy_editor/src/editor_state.dart';
 import 'package:flutter/material.dart';
 
+typedef ContextMenuWidgetBuilder = Widget Function(
+  BuildContext context,
+  Offset position,
+  EditorState editorState,
+  VoidCallback onPressed,
+);
+
 class ContextMenuItem {
   ContextMenuItem({
     required String Function() getName,