generateWidget method

@override Widget generateWidget(DragAndDropBuilderParameters params)

Implementation

@override
Widget generateWidget(DragAndDropBuilderParameters params) {
  var contents = <Widget>[];
  if (header != null) {
    contents.add(Flexible(child: header!));
  }
  Widget intrinsicHeight = IntrinsicHeight(
    child: Row(
      mainAxisAlignment: horizontalAlignment,
      mainAxisSize: MainAxisSize.max,
      crossAxisAlignment: CrossAxisAlignment.stretch,
      children: _generateDragAndDropListInnerContents(params),
    ),
  );
  if (params.axis == Axis.horizontal) {
    intrinsicHeight = SizedBox(
      width: params.listWidth,
      child: intrinsicHeight,
    );
  }
  if (params.listInnerDecoration != null) {
    intrinsicHeight = Container(
      decoration: params.listInnerDecoration,
      child: intrinsicHeight,
    );
  }
  contents.add(intrinsicHeight);

  if (footer != null) {
    contents.add(Flexible(child: footer!));
  }

  return Container(
    key: key,
    width: params.axis == Axis.vertical
        ? double.infinity
        : params.listWidth - params.listPadding!.horizontal,
    decoration: decoration ?? params.listDecoration,
    child: Column(
      mainAxisSize: MainAxisSize.min,
      crossAxisAlignment: verticalAlignment,
      children: contents,
    ),
  );
}