xLayout_Render_HeadView method

Implementation

List<Widget> xLayout_Render_HeadView(XView xview) {
  xLayout_maxRowLen = 0; //resetto
  var grps = xview.cols
      . //
      groupListsBy((element) => element.originY)
      .entries
      .toList();
  var lastY = grps.last.key;
  double avgColsInY = 0;
  grps.map((e) => avgColsInY += e.value.length).toList();
  avgColsInY = avgColsInY / grps.length;
  var r = grps.map(
    (e) {
      //x ogni Y
      //x orgni sottoROW/grp
      double rowLen = 0;
      var child = xLayout_Render_HeadView_Widget_forY(
          e,
          e.value.map((e) {
            var xwidgt = widget.editable ? xLayout_CellWidget_Editable(e, itemInEdit_Clone, context, itemInEdit_Clone) : xLayout_CellWidget(e, itemInEdit_Clone, context);
            rowLen += 10 + 5 + xwidgt.constraints!.minWidth;
            return xwidgt;
          }).toList(),
          lastY,
          avgColsInY > 3);
      if (rowLen > xLayout_maxRowLen) xLayout_maxRowLen = rowLen;
      return child;
    },
  ).toList();

  return r;
}