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Update Table docs for horizontal scrolling (#61268)

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Kate Lovett 2020-07-16 09:36:05 -07:00 committed by GitHub
parent 5a69de8263
commit d877ad8616
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1 changed files with 19 additions and 4 deletions
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23
packages/flutter/lib/src/widgets/table.dart
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@ -87,8 +87,17 @@ class _TableElementRow {
/// have one column, the [SliverList] or [Column] widgets will be more
/// appropriate.
///
/// Rows size vertically based on their contents. To control the column widths,
/// use the [columnWidths] property.
/// Rows size vertically based on their contents. To control the individual
/// column widths, use the [columnWidths] property to specify a
/// [TableColumnWidth] for each column. If [columnWidths] is null, or there is a
/// null entry for a given column in [columnWidths], the table uses the
/// [defaultColumnWidth] instead.
///
/// By default, [defaultColumnWidth] is a [FlexColumnWidth]. This
/// [TableColumnWidth] divides up the remaining space in the horizontal axis to
/// determine the column width. If wrapping a [Table] in a horizontal
/// [ScrollView], choose a different [TableColumnWidth], such as
/// [FixedColumnWidth].
///
/// For more details about the table layout algorithm, see [RenderTable].
/// To control the alignment of children, see [TableCell].
@ -194,10 +203,16 @@ class Table extends RenderObjectWidget {
/// The keys of this map (column indexes) are zero-based.
final Map<int, TableColumnWidth> columnWidths;
/// How to determine with widths of columns that don't have an explicit sizing algorithm.
/// How to determine with widths of columns that don't have an explicit sizing
/// algorithm.
///
/// Specifically, the [defaultColumnWidth] is used for column `i` if
/// `columnWidths[i]` is null.
/// `columnWidths[i]` is null. Defaults to [FlexColumnWidth], which will
/// divide the remaining horizontal space up evenly between columns of the
/// same type [TableColumnWidth].
///
/// A [Table] in a horizontal [ScrollView] must use a [FixedColumnWidth], or
/// an [IntrinsicColumnWidth] as the horizontal space is infinite.
final TableColumnWidth defaultColumnWidth;
/// The direction in which the columns are ordered.