chore: enable drag to expand field's width

frontend/app_flowy/lib/workspace/application/grid/field/field_cell_bloc.dart

@@ -24,13 +24,15 @@ class FieldCellBloc extends Bloc<FieldCellEvent, FieldCellState> {
             _startListening();
           },
           didReceiveFieldUpdate: (field) {
-            emit(state.copyWith(field: field));
+            emit(state.copyWith(field: cellContext.field));
           },
-          updateWidth: (offset) {
-            final defaultWidth = state.field.width.toDouble();
-            final width = defaultWidth + offset;
-            if (width > defaultWidth && width < 300) {
-              _fieldService.updateField(width: width);
+          startUpdateWidth: (offset) {
+            final width = state.width + offset;
+            emit(state.copyWith(width: width));
+          },
+          endUpdateWidth: () {
+            if (state.width != state.field.width.toDouble()) {
+              _fieldService.updateField(width: state.width);
             }
           },
         );
@@ -61,7 +63,8 @@ class FieldCellBloc extends Bloc<FieldCellEvent, FieldCellState> {
 class FieldCellEvent with _$FieldCellEvent {
   const factory FieldCellEvent.initial() = _InitialCell;
   const factory FieldCellEvent.didReceiveFieldUpdate(Field field) = _DidReceiveFieldUpdate;
-  const factory FieldCellEvent.updateWidth(double offset) = _UpdateWidth;
+  const factory FieldCellEvent.startUpdateWidth(double offset) = _StartUpdateWidth;
+  const factory FieldCellEvent.endUpdateWidth() = _EndUpdateWidth;
 }
 
 @freezed
@@ -69,10 +72,12 @@ class FieldCellState with _$FieldCellState {
   const factory FieldCellState({
     required String gridId,
     required Field field,
+    required double width,
   }) = _FieldCellState;
 
   factory FieldCellState.initial(GridFieldCellContext cellContext) => FieldCellState(
         gridId: cellContext.gridId,
         field: cellContext.field,
+        width: cellContext.field.width.toDouble(),
       );
 }

frontend/app_flowy/lib/workspace/application/grid/row/row_bloc.dart

@@ -30,7 +30,7 @@ class RowBloc extends Bloc<RowEvent, RowState> {
             _rowService.createRow();
           },
           didReceiveCellDatas: (_DidReceiveCellDatas value) async {
-            final fields = value.gridCellMap.values.map((e) => CellSnapshot(e.field)).toList();
+            final fields = value.gridCellMap.values.map((e) => GridCellEquatable(e.field)).toList();
             final snapshots = UnmodifiableListView(fields);
             emit(state.copyWith(
               gridCellMap: value.gridCellMap,
@@ -74,26 +74,27 @@ class RowState with _$RowState {
   const factory RowState({
     required GridRow rowData,
     required GridCellMap gridCellMap,
-    required UnmodifiableListView<CellSnapshot> snapshots,
+    required UnmodifiableListView<GridCellEquatable> snapshots,
     GridRowChangeReason? changeReason,
   }) = _RowState;
 
   factory RowState.initial(GridRow rowData, GridCellMap cellDataMap) => RowState(
         rowData: rowData,
         gridCellMap: cellDataMap,
-        snapshots: UnmodifiableListView(cellDataMap.values.map((e) => CellSnapshot(e.field)).toList()),
+        snapshots: UnmodifiableListView(cellDataMap.values.map((e) => GridCellEquatable(e.field)).toList()),
       );
 }
 
-class CellSnapshot extends Equatable {
+class GridCellEquatable extends Equatable {
   final Field _field;
 
-  const CellSnapshot(Field field) : _field = field;
+  const GridCellEquatable(Field field) : _field = field;
 
   @override
   List<Object?> get props => [
         _field.id,
         _field.fieldType,
         _field.visibility,
+        _field.width,
       ];
 }

frontend/app_flowy/lib/workspace/presentation/plugins/grid/src/widgets/header/field_cell.dart

@@ -6,7 +6,6 @@ import 'package:flowy_infra/theme.dart';
 import 'package:flowy_infra_ui/style_widget/button.dart';
 import 'package:flowy_infra_ui/style_widget/hover.dart';
 import 'package:flowy_infra_ui/style_widget/text.dart';
-import 'package:flowy_sdk/log.dart';
 import 'package:flowy_sdk/protobuf/flowy-grid-data-model/grid.pb.dart' show Field;
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
@@ -24,6 +23,7 @@ class GridFieldCell extends StatelessWidget {
     return BlocProvider(
       create: (context) => FieldCellBloc(cellContext: cellContext)..add(const FieldCellEvent.initial()),
       child: BlocBuilder<FieldCellBloc, FieldCellState>(
+        // buildWhen: (p, c) => p.field != c.field,
         builder: (context, state) {
           final button = FieldCellButton(
             field: state.field,
@@ -38,7 +38,7 @@ class GridFieldCell extends StatelessWidget {
           );
 
           return _GridHeaderCellContainer(
-            width: state.field.width.toDouble(),
+            width: state.width,
             child: Stack(
               alignment: Alignment.centerRight,
               fit: StackFit.expand,
@@ -60,13 +60,14 @@ class GridFieldCell extends StatelessWidget {
 
   void _showFieldEditor(BuildContext context) {
     final state = context.read<FieldCellBloc>().state;
+    final field = state.field;
 
     FieldEditor(
       gridId: state.gridId,
-      fieldName: state.field.name,
+      fieldName: field.name,
       contextLoader: FieldContextLoader(
         gridId: state.gridId,
-        field: state.field,
+        field: field,
       ),
     ).show(context);
   }
@@ -113,19 +114,17 @@ class _DragToExpandLine extends StatelessWidget {
       onTap: () {},
       child: GestureDetector(
         behavior: HitTestBehavior.opaque,
-        onHorizontalDragCancel: () {},
         onHorizontalDragUpdate: (value) {
-          // context.read<FieldCellBloc>().add(FieldCellEvent.updateWidth(value.delta.dx));
-          Log.info(value);
+          context.read<FieldCellBloc>().add(FieldCellEvent.startUpdateWidth(value.delta.dx));
         },
         onHorizontalDragEnd: (end) {
-          Log.info(end);
+          context.read<FieldCellBloc>().add(const FieldCellEvent.endUpdateWidth());
         },
         child: FlowyHover(
           style: HoverStyle(
             hoverColor: theme.main1,
             borderRadius: BorderRadius.zero,
-            contentMargin: const EdgeInsets.only(left: 5),
+            contentMargin: const EdgeInsets.only(left: 6),
           ),
           child: const SizedBox(width: 2),
         ),

frontend/rust-lib/flowy-grid/src/services/field/type_options/text_type_option.rs

@@ -27,7 +27,7 @@ impl TypeOptionBuilder for RichTextTypeOptionBuilder {
 #[derive(Debug, Clone, Default, Serialize, Deserialize, ProtoBuf)]
 pub struct RichTextTypeOption {
     #[pb(index = 1)]
-    data: String, //It's not used.
+    data: String, //It's not used yet
 }
 impl_type_option!(RichTextTypeOption, FieldType::RichText);
 

frontend/rust-lib/flowy-grid/src/services/field/type_options/url_type_option.rs

@@ -30,7 +30,7 @@ impl TypeOptionBuilder for URLTypeOptionBuilder {
 #[derive(Debug, Clone, Serialize, Deserialize, Default, ProtoBuf)]
 pub struct URLTypeOption {
     #[pb(index = 1)]
-    data: String, //It's not used.
+    data: String, //It's not used yet.
 }
 impl_type_option!(URLTypeOption, FieldType::URL);
 
@@ -56,28 +56,31 @@ impl CellDataOperation<EncodedCellData<URLCellData>, String> for URLTypeOption {
         C: Into<CellContentChangeset>,
     {
         let changeset = changeset.into();
-        let mut cell_data = URLCellData {
-            url: "".to_string(),
-            content: changeset.to_string(),
-        };
-
+        let mut url = "".to_string();
         if let Ok(Some(m)) = URL_REGEX.find(&changeset) {
-            // Only support https scheme by now
-            match url::Url::parse(m.as_str()) {
-                Ok(url) => {
-                    if url.scheme() == "https" {
-                        cell_data.url = url.into();
-                    } else {
-                        cell_data.url = format!("https://{}", m.as_str());
-                    }
-                }
-                Err(_) => {
-                    cell_data.url = format!("https://{}", m.as_str());
-                }
+            url = auto_append_scheme(m.as_str());
+        }
+        URLCellData {
+            url,
+            content: changeset.to_string(),
+        }
+        .to_json()
+    }
+}
+
+fn auto_append_scheme(s: &str) -> String {
+    // Only support https scheme by now
+    match url::Url::parse(s) {
+        Ok(url) => {
+            if url.scheme() == "https" {
+                url.into()
+            } else {
+                format!("https://{}", s)
             }
         }
-
-        cell_data.to_json()
+        Err(_) => {
+            format!("https://{}", s)
+        }
     }
 }