44 lines
956 B
Dart
44 lines
956 B
Dart
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import 'package:flutter/material.dart';
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abstract class DataTableContent {
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bool selected = false;
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List<DataCell> asDataTableCells(List<Widget> actions) => [];
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static List<DataColumn> asDataTableColumns() => [];
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}
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class DataTableSourceBuilder extends DataTableSource {
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final List<DataTableContent> data;
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final BuildContext context;
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DataTableSourceBuilder(this.context, this.data);
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@override
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bool get isRowCountApproximate => false;
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@override
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int get rowCount => data.length;
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@override
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int get selectedRowCount {
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int count = 0;
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for (var element in data) {
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if (element.selected) {
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count++;
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}
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}
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return count;
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}
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@override
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DataRow? getRow(int index) {
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assert(index >= 0);
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if (index >= data.length) return null;
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final rowData = data[index];
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return DataRow.byIndex(
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index: index,
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selected: rowData.selected,
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cells: rowData.asDataTableCells([]),
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);
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}
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}
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