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Document TableRowInkWell and DataTable interactions better (#73018)

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Shi-Hao Hong 2021-01-23 08:19:06 +08:00 committed by GitHub
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packages/flutter/lib/src/material/data_table.dart
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@ -133,6 +133,10 @@ class DataRow {
/// A row whose [onSelectChanged] callback is null is ignored for
/// the purposes of determining the state of the "all" checkbox,
/// and its checkbox is disabled.
///
/// If a [DataCell] in the row has its [DataCell.onTap] callback defined,
/// that callback behavior overrides the gesture behavior of the row for
/// that particular cell.
final ValueChanged<bool?>? onSelectChanged;
/// Whether the row is selected.
@ -240,6 +244,9 @@ class DataCell {
/// If non-null, tapping the cell will call this callback. If
/// null, tapping the cell will attempt to select the row (if
/// [DataRow.onSelectChanged] is provided).
///
/// To define a tap behavior for the entire row, see
/// [DataRow.onSelectChanged].
final VoidCallback? onTap;
bool get _debugInteractive => onTap != null;
@ -1028,6 +1035,12 @@ class DataTable extends StatelessWidget {
/// thus the splash will not occur. (In general, this is easy to
/// achieve: just put the [TableRowInkWell] as the direct child of the
/// [Table], and put the other contents of the cell inside it.)
///
/// See also:
///
/// * [DataTable], which makes use of [TableRowInkWell] when
/// [DataRow.onSelectChanged] is defined and [DataCell.onTap]
/// is not.
class TableRowInkWell extends InkResponse {
/// Creates an ink well for a table row.
const TableRowInkWell({