[英]How to get selected row index of a dynamic datatable flutter
I have a dynamic dataTable where the is data is dispalyed.我有一个动态数据表,其中显示的是数据。 Now i need click on the row and pass related data to a new class.
现在我需要单击该行并将相关数据传递给新的 class。 This is what i have tried, how to i get the correct index of the clicked row.
这是我尝试过的,如何获得点击行的正确索引。
rows: snapshot.data.rowData.map<DataRow>((e) {
return DataRow(
cells: e.map<DataCell>((e) => DataCell(Text(e))).toList(),
onSelectChanged: (bool 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(),
You need to write a for loop
over snapshot.data.rowData
list in order to get index to be used inside onSelectChanged
.您需要在
snapshot.data.rowData
列表上编写一个for loop
,以获取要在onSelectChanged
内部使用的索引。 Something like this.像这样的东西。
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;
}
And use this function inside DataTable
to build rows.并在
DataTable
中使用这个 function 来构建行。
rows: buildListOfDataRows(context, wardsData)
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