private static void deleteEmptyGridCells(final RadContainer parent, final GridConstraints delConstraints, final boolean isRow) {
    final RadAbstractGridLayoutManager layoutManager = parent.getGridLayoutManager();
    for (int cell = delConstraints.getCell(isRow) + delConstraints.getSpan(isRow) - 1; cell >= delConstraints.getCell(isRow); cell--) {
      if (cell < parent.getGridCellCount(isRow) && GridChangeUtil.canDeleteCell(parent, cell, isRow) == GridChangeUtil.CellStatus.Empty &&
          !layoutManager.isGapCell(parent, isRow, cell)) {
        layoutManager.deleteGridCells(parent, cell, isRow);
      }
    }
  }
private static void deleteEmptyGridCells(final RadContainer parent, final GridConstraints delConstraints, final boolean isRow)