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TDCalendar: 支持自定义 cell 的组件 #667

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Merged
Luozf12345 merged 1 commit into from
Jul 7, 2025
Merged

TDCalendar: 支持自定义 cell 的组件 #667

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79 changes: 79 additions & 0 deletions tdesign-component/example/lib/page/td_calendar_page.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,14 @@ class TDCalendarPage extends StatelessWidget {
return const CodeWrapper(builder: _buildStyle);
},
),
ExampleItem(
desc: '自定义日期单元格',
ignoreCode: true,
center: false,
builder: (BuildContext context) {
return const CodeWrapper(builder: _buildCustomCell);
},
),
ExampleItem(
desc: '不使用Popup',
ignoreCode: true,
Expand Down Expand Up @@ -351,3 +359,74 @@ Widget _buildBlock(BuildContext context) {
],
);
}

@Demo(group: 'calendar')
Widget _buildCustomCell(BuildContext context) {
final size = MediaQuery.of(context).size;
final selected = ValueNotifier<List<int>>([DateTime.now().millisecondsSinceEpoch + 30 * 24 * 60 * 60 * 1000]);
return ValueListenableBuilder(
valueListenable: selected,
builder: (context, value, child) {
final date = DateTime.fromMillisecondsSinceEpoch(value[0]);
return TDCellGroup(
cells: [
TDCell(
title: '自定义日期单元格',
arrow: true,
note: '${date.year}-${date.month}-${date.day}',
onClick: (cell) {
TDCalendarPopup(
context,
visible: true,
onConfirm: (value) {
print('onConfirm:$value');
selected.value = value;
},
onClose: () {
print('onClose');
},
child: TDCalendar(
title: '请选择日期',
value: value,
height: size.height * 0.6 + 176,
onCellClick: (value, type, tdate) {
print('onCellClick:$value');
},
onCellLongPress: (value, type, tdate) {
print('onCellLongPress:$value');
},
onHeaderClick: (index, week) {
print('onHeaderClick:$week');
},
onChange: (value) {
print('onChange:$value');
},
cellWidget: (context, tdate, selectType) {
if (selectType == DateSelectType.selected) {
return Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text('${tdate.date.day}', style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.white)),
Text('文案文案', style: TextStyle(fontSize: 6, color: Colors.white)),
Text('自定义', style: TextStyle(fontSize: 12, color: Colors.white)),
],
);
}
return Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text('${tdate.date.day}', style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
Text('文案文案', style: TextStyle(fontSize: 8)),
Text('自定义', style: TextStyle(fontSize: 8)),
],
);
}
),
);
},
),
],
);
},
);
}
5 changes: 5 additions & 0 deletions tdesign-component/lib/src/components/calendar/td_calendar.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ class TDCalendar extends StatefulWidget {
this.pickerItemCount = 3,
this.isTimeUnit = true,
this.animateTo = false,
this.cellWidget,
}) : super(key: key);

/// 第一天从星期几开始，默认 0 = 周日
Expand Down Expand Up @@ -123,6 +124,9 @@ class TDCalendar extends StatefulWidget {
/// 动画滚动到指定位置
final bool? animateTo;

/// 自定义日期单元格组件
final Widget? Function(BuildContext context, TDate tdate, DateSelectType selectType)? cellWidget;

List<DateTime>? get _value => value?.map((e) {
final date = DateTime.fromMillisecondsSinceEpoch(e);
return DateTime(date.year, date.month, date.day);
Expand Down Expand Up @@ -235,6 +239,7 @@ class _TDCalendarState extends State<TDCalendar> {
dateList: dateList,
rowIndex: rowIndex,
colIndex: colIndex,
cellWidget: widget.cellWidget,
);
},
),
Expand Down
75 changes: 41 additions & 34 deletions tdesign-component/lib/src/components/calendar/td_calendar_cell.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ class TDCalendarCell extends StatefulWidget {
required this.rowIndex,
required this.colIndex,
required this.dateList,
this.cellWidget,
}) : super(key: key);

final TDate? tdate;
Expand All @@ -32,6 +33,7 @@ class TDCalendarCell extends StatefulWidget {
final int rowIndex;
final int colIndex;
final List<TDate?> dateList;
final Widget? Function(BuildContext context, TDate tdate, DateSelectType selectType)? cellWidget;

@override
_TDCalendarCellState createState() => _TDCalendarCellState();
Expand Down Expand Up @@ -72,6 +74,44 @@ class _TDCalendarCellState extends State<TDCalendarCell> {
final cellStyle = TDCalendarStyle.cellStyle(context, widget.tdate!._type);
final decoration = tdate.decoration ?? cellStyle.cellDecoration;
final positionColor = _getColor(cellStyle, decoration);

// 新增自定义cell内容判断逻辑
final content = widget.cellWidget?.call(context, tdate, widget.tdate!._type) ??
Column(
children: [
Expanded(
flex: 2,
child: tdate.prefixWidget ??
TDText(
tdate.prefix ?? '',
style: tdate.prefixStyle ?? cellStyle.cellPrefixStyle,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
Expanded(
flex: 3,
child: Center(
child: TDText(
forceVerticalCenter: true,
widget.tdate!.date.day.toString(),
style: (isToday ? cellStyle.todayStyle : null) ?? tdate.style ?? cellStyle.cellStyle,
),
),
),
Expanded(
flex: 2,
child: tdate.suffixWidget ??
TDText(
tdate.suffix ?? '',
style: tdate.suffixStyle ?? cellStyle.cellSuffixStyle,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
],
);

return GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: _cellTap,
Expand All @@ -87,40 +127,7 @@ class _TDCalendarCellState extends State<TDCalendarCell> {
height: widget.height,
decoration: decoration,
padding: EdgeInsets.all(widget.padding),
child: Column(
children: [
Expanded(
flex: 2,
child: tdate.prefixWidget ??
TDText(
tdate.prefix ?? '',
style: tdate.prefixStyle ?? cellStyle.cellPrefixStyle,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
Expanded(
flex: 3,
child: Center(
child: TDText(
forceVerticalCenter: true,
widget.tdate!.date.day.toString(),
style: (isToday ? cellStyle.todayStyle : null) ?? tdate.style ?? cellStyle.cellStyle,
),
),
),
Expanded(
flex: 2,
child: tdate.suffixWidget ??
TDText(
tdate.suffix ?? '',
style: tdate.suffixStyle ?? cellStyle.cellSuffixStyle,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
],
),
child: content, // 使用自定义内容
),
if (widget.colIndex < 6)
Positioned(
Expand Down