chore: handle edit state

frontend/app_flowy/lib/plugins/board/presentation/card/board_cell.dart

@@ -1,5 +1,6 @@
 import 'package:app_flowy/plugins/grid/application/prelude.dart';
 import 'package:flowy_infra/notifier.dart';
+import 'package:flutter/material.dart';
 
 abstract class FocusableBoardCell {
   set becomeFocus(bool isFocus);
@@ -10,7 +11,16 @@ class EditableCellNotifier {
 
   final Notifier resignFirstResponder = Notifier();
 
-  EditableCellNotifier();
+  final ValueNotifier<bool> isCellEditing;
+
+  EditableCellNotifier({bool isEditing = false})
+      : isCellEditing = ValueNotifier(isEditing);
+
+  void dispose() {
+    becomeFirstResponder.dispose();
+    resignFirstResponder.dispose();
+    isCellEditing.dispose();
+  }
 }
 
 class EditableRowNotifier {
@@ -20,6 +30,11 @@ class EditableRowNotifier {
     GridCellIdentifier cellIdentifier,
     EditableCellNotifier notifier,
   ) {
+    final id = EditableCellId.from(cellIdentifier);
+    _cells[id]?.dispose();
+
+    notifier.isCellEditing.addListener(() {});
+
     _cells[EditableCellId.from(cellIdentifier)] = notifier;
   }
 
@@ -36,6 +51,9 @@ class EditableRowNotifier {
   }
 
   void clear() {
+    for (final notifier in _cells.values) {
+      notifier.dispose();
+    }
     _cells.clear();
   }
 

frontend/app_flowy/lib/plugins/board/presentation/card/board_text_cell.dart

@@ -9,7 +9,6 @@ import 'define.dart';
 
 class BoardTextCell extends StatefulWidget with EditableCell {
   final String groupId;
-  final bool isFocus;
   @override
   final EditableCellNotifier? editableNotifier;
   final GridCellControllerBuilder cellControllerBuilder;
@@ -18,7 +17,6 @@ class BoardTextCell extends StatefulWidget with EditableCell {
     required this.groupId,
     required this.cellControllerBuilder,
     this.editableNotifier,
-    this.isFocus = false,
     Key? key,
   }) : super(key: key);
 
@@ -39,21 +37,16 @@ class _BoardTextCellState extends State<BoardTextCell> {
     _cellBloc = BoardTextCellBloc(cellController: cellController)
       ..add(const BoardTextCellEvent.initial());
     _controller = TextEditingController(text: _cellBloc.state.content);
-    focusWhenInit = widget.isFocus;
-
-    if (widget.isFocus) {
+    focusWhenInit = widget.editableNotifier?.isCellEditing.value ?? false;
+    if (focusWhenInit) {
       focusNode.requestFocus();
     }
 
     focusNode.addListener(() {
       if (!focusNode.hasFocus) {
+        focusWhenInit = false;
+        widget.editableNotifier?.isCellEditing.value = false;
         _cellBloc.add(const BoardTextCellEvent.enableEdit(false));
-
-        if (focusWhenInit) {
-          setState(() {
-            focusWhenInit = false;
-          });
-        }
       }
     });
     _bindEditableNotifier();

frontend/app_flowy/lib/plugins/board/presentation/card/card.dart

@@ -96,17 +96,20 @@ class _BoardCardState extends State<BoardCard> {
     rowNotifier.clear();
     cells.asMap().forEach(
       (int index, GridCellIdentifier cellId) {
-        final cellNotifier = EditableCellNotifier();
+        EditableCellNotifier cellNotifier;
+        if (index == 0) {
+          cellNotifier = EditableCellNotifier(isEditing: widget.isEditing);
+          rowNotifier.insertCell(cellId, cellNotifier);
+        } else {
+          cellNotifier = EditableCellNotifier();
+        }
+
         Widget child = widget.cellBuilder.buildCell(
           widget.groupId,
           cellId,
-          index == 0 ? widget.isEditing : false,
           cellNotifier,
         );
 
-        if (index == 0) {
-          rowNotifier.insertCell(cellId, cellNotifier);
-        }
         child = Padding(
           key: cellId.key(),
           padding: const EdgeInsets.only(left: 4, right: 4),

frontend/app_flowy/lib/plugins/board/presentation/card/card_cell_builder.dart

@@ -23,7 +23,6 @@ class BoardCellBuilder {
   Widget buildCell(
     String groupId,
     GridCellIdentifier cellId,
-    bool isEditing,
     EditableCellNotifier cellNotifier,
   ) {
     final cellControllerBuilder = GridCellControllerBuilder(
@@ -69,7 +68,6 @@ class BoardCellBuilder {
         return BoardTextCell(
           groupId: groupId,
           cellControllerBuilder: cellControllerBuilder,
-          isFocus: isEditing,
           editableNotifier: cellNotifier,
           key: key,
         );