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chore: cache cell data

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appflowy
2022-04-23 15:11:05 +08:00
parent 5af378c810
commit ec16fbe551
2 changed files with 25 additions and 21 deletions
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44
frontend/app_flowy/lib/workspace/application/grid/cell/cell_service.dart
View File

@ -14,10 +14,16 @@ part 'cell_service.freezed.dart';
class GridCellContext { class GridCellContext {
GridCell cellData; GridCell cellData;
GridCellCache cellCache; GridCellCache cellCache;
late GridCellCacheKey _cacheKey;
GridCellContext({ GridCellContext({
required this.cellData, required this.cellData,
required this.cellCache, required this.cellCache,
}); }) {
_cacheKey = GridCellCacheKey(
objectId: "$hashCode",
fieldId: cellData.field.id,
);
}
String get gridId => cellData.gridId; String get gridId => cellData.gridId;
@ -31,22 +37,22 @@ class GridCellContext {
Field get field => cellData.field; Field get field => cellData.field;
GridCellCacheKey get cacheKey => GridCellCacheKey(rowId: cellData.rowId, fieldId: cellData.field.id); GridCellCacheKey get cacheKey => _cacheKey;
T? getCacheData<T>() { T? getCacheData<T>() {
return cellCache.get(cacheKey); return cellCache.get(cacheKey);
} }
void setCacheData(dynamic data) { void setCacheData(dynamic data) {
cellCache.insert(GridCellCacheData(key: cacheKey, value: data)); cellCache.insert(GridCellCacheData(key: cacheKey, object: data));
} }
void onFieldChanged(VoidCallback callback) { void onFieldChanged(VoidCallback callback) {
cellCache.addListener(fieldId, rowId, callback); cellCache.addListener(cacheKey, callback);
} }
void removeListener() { void removeListener() {
cellCache.removeListener(fieldId, rowId); cellCache.removeListener(cacheKey);
} }
} }
@ -55,22 +61,20 @@ typedef CellDataMap = LinkedHashMap<String, GridCell>;
class GridCellCacheData { class GridCellCacheData {
GridCellCacheKey key; GridCellCacheKey key;
dynamic value; dynamic object;
GridCellCacheData({ GridCellCacheData({
required this.key, required this.key,
required this.value, required this.object,
}); });
} }
class GridCellCacheKey { class GridCellCacheKey {
final String fieldId; final String fieldId;
final String rowId; final String objectId;
GridCellCacheKey({ GridCellCacheKey({
required this.fieldId, required this.fieldId,
required this.rowId, required this.objectId,
}); });
String get cellId => "$rowId + $fieldId";
} }
abstract class GridCellFieldDelegate { abstract class GridCellFieldDelegate {
@ -101,18 +105,18 @@ class GridCellCache {
}); });
} }
void addListener(String fieldId, String rowId, VoidCallback callback) { void addListener(GridCellCacheKey cacheKey, VoidCallback callback) {
var map = _cellListenerByFieldId[fieldId]; var map = _cellListenerByFieldId[cacheKey.fieldId];
if (map == null) { if (map == null) {
_cellListenerByFieldId[fieldId] = {}; _cellListenerByFieldId[cacheKey.fieldId] = {};
map = _cellListenerByFieldId[fieldId]; map = _cellListenerByFieldId[cacheKey.fieldId];
} }
map![rowId] = callback; map![cacheKey.objectId] = callback;
} }
void removeListener(String fieldId, String rowId) { void removeListener(GridCellCacheKey cacheKey) {
_cellListenerByFieldId[fieldId]?.remove(rowId); _cellListenerByFieldId[cacheKey.fieldId]?.remove(cacheKey.objectId);
} }
void insert<T extends GridCellCacheData>(T item) { void insert<T extends GridCellCacheData>(T item) {
@ -122,7 +126,7 @@ class GridCellCache {
map = _cellCacheByFieldId[item.key.fieldId]; map = _cellCacheByFieldId[item.key.fieldId];
} }
map![item.key.cellId] = item.value; map![item.key.objectId] = item.object;
} }
T? get<T>(GridCellCacheKey key) { T? get<T>(GridCellCacheKey key) {
@ -130,7 +134,7 @@ class GridCellCache {
if (map == null) { if (map == null) {
return null; return null;
} else { } else {
final object = map[key.cellId]; final object = map[key.objectId];
if (object is T) { if (object is T) {
return object; return object;
} else { } else {

2
frontend/app_flowy/lib/workspace/presentation/plugins/grid/src/widgets/row/grid_row.dart
View File

@ -159,7 +159,7 @@ class _RowCells extends StatelessWidget {
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return BlocBuilder<RowBloc, RowState>( return BlocBuilder<RowBloc, RowState>(
buildWhen: (previous, current) => previous.cellDataMap != current.cellDataMap, buildWhen: (previous, current) => previous.cellDataMap.length != current.cellDataMap.length,
builder: (context, state) { builder: (context, state) {
return Row( return Row(
mainAxisSize: MainAxisSize.min, mainAxisSize: MainAxisSize.min,