Flutter 如何获取动态数据表的选定行索引
我有一个动态数据表,其中显示的是数据。现在我需要单击该行并将相关数据传递给一个新类。这就是我所尝试的,如何获得单击行的正确索引Flutter 如何获取动态数据表的选定行索引,flutter,dart,datatable,Flutter,Dart,Datatable,我有一个动态数据表,其中显示的是数据。现在我需要单击该行并将相关数据传递给一个新类。这就是我所尝试的,如何获得单击行的正确索引 rows: snapshot.data.rowData.map<DataRow>((e) { return DataRow( cells: e.map<DataCell>((e) => DataCell(Text(e))).toList(), onSelectChanged: (bool s
rows: snapshot.data.rowData.map<DataRow>((e) {
return DataRow(
cells: e.map<DataCell>((e) => DataCell(Text(e))).toList(),
onSelectChanged: (bool selected) {
if (selected) {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => new ImageGridAndListViewScreen(
zoomData:snapshot.data.dataList[index].NextLevelData))//here unable to get the selected row index
);
}
},
);
}).toList(),
rows:snapshot.data.rowData.map((e){
返回数据行(
单元格:e.map((e)=>DataCell(Text(e)).toList(),
onSelectChanged:(布尔选择){
如果(选定){
导航器。推(
上下文
材料路线(
生成器:(上下文)=>新建ImageGridAndListViewScreen(
zoomData:snapshot.data.dataList[index].NextLevelData))//此处无法获取所选行索引
);
}
},
);
}).toList(),
您需要在snapshot.data.rowData
列表上为循环编写一个以便在onSelectChanged
中使用索引。像这样的
List<DataRow> buildListOfDataRows(BuildContext context, WardsData wardsData){
List<Ward> wards = wardsData.listOfWards;
List<DataRow> dataRows = [];
for(int i = 0; i < wards.length; i++) {
String floorName = wards[i].floorName;
int ot = wards[i].oxygenBedTotal;
int oa = wards[i].oxygenBedAvailable;
DataRow row = DataRow(
cells: [
DataCell(Text(floorName)),
DataCell(Text('$ot')),
DataCell(Text('$oa')),
],
onSelectChanged: (_){
showUpdatedByInfoPopUp(context, wards[i]);
},
);
dataRows.add(row);
}
return dataRows;
}
您需要在snapshot.data.rowData
列表上为循环编写一个,以便在onSelectChanged
中使用索引。像这样的
List<DataRow> buildListOfDataRows(BuildContext context, WardsData wardsData){
List<Ward> wards = wardsData.listOfWards;
List<DataRow> dataRows = [];
for(int i = 0; i < wards.length; i++) {
String floorName = wards[i].floorName;
int ot = wards[i].oxygenBedTotal;
int oa = wards[i].oxygenBedAvailable;
DataRow row = DataRow(
cells: [
DataCell(Text(floorName)),
DataCell(Text('$ot')),
DataCell(Text('$oa')),
],
onSelectChanged: (_){
showUpdatedByInfoPopUp(context, wards[i]);
},
);
dataRows.add(row);
}
return dataRows;
}