sbool tableSetColumnPreferredWidths_debug;

static void tableSetColumnPreferredWidths(final JTable table, final Map<S, Int> widths) {
  if (table == null || widths == null) ret;
  swing { pcall {
    TableColumnModel tcm = table.getColumnModel();
    int n = tcm.getColumnCount();
    for i to n: {
      TableColumn tc = tcm.getColumn(i);
      Int w = widths.get(str(tc.getHeaderValue());
      if (w != null) {
        tc.setPreferredWidth(w);
        if (tableSetColumnPreferredWidths_debug)
          print("Setting preferred width of column " + i + " to " + w);
      }
    }
  }}
}

static void tableSetColumnPreferredWidths(JTable table, O... widths) {
  tableSetColumnPreferredWidths(table, litorderedmap(widths));
}

Began life as a copy of #1007221