FItemGroup.merge constructor

FItemGroup.merge({
  1. required List<FItemGroupMixin> children,
  2. FItemGroupStyleDelta style = const .context(),
  3. ScrollController? scrollController,
  4. double? cacheExtent,
  5. double maxHeight = .infinity,
  6. DragStartBehavior dragStartBehavior = .start,
  7. ScrollPhysics physics = const ClampingScrollPhysics(),
  8. bool? enabled,
  9. bool? intrinsicWidth,
  10. FItemDivider divider = .full,
  11. String? semanticsLabel,
  12. Key? key,
})

Creates a FItemGroup that merges multiple FItemGroupMixins together.

All group labels will be ignored.

Implementation

/// Creates a [FItemGroup] that merges multiple [FItemGroupMixin]s together.
///
/// All group labels will be ignored.
/// {@endtemplate}
FItemGroup.merge({
  required List<FItemGroupMixin> children,
  this.style = const .context(),
  this.scrollController,
  this.cacheExtent,
  this.maxHeight = .infinity,
  this.dragStartBehavior = .start,
  this.physics = const ClampingScrollPhysics(),
  this.enabled,
  this.intrinsicWidth,
  this.divider = .full,
  this.semanticsLabel,
  super.key,
}) : assert(0 < maxHeight, 'maxHeight ($maxHeight) must be > 0'),
     _builder = ((style, enabled, intrinsicWidth) {
       final nested = [
         for (final (index, child) in children.indexed)
           FInheritedItemData.merge(
             styles: style.itemStyles,
             spacing: style.spacing,
             enabled: enabled,
             intrinsicWidth: intrinsicWidth,
             dividerColor: style.dividerColor,
             dividerWidth: style.dividerWidth,
             divider: divider,
             index: index,
             last: index == children.length - 1,
             child: child,
           ),
       ];
       return intrinsicWidth ? Column(mainAxisSize: .min, children: nested) : SliverMainAxisGroup(slivers: nested);
     });