JTable header text wrapping for multiline header (custom TableCellRenderer)

Question

How can I obtain a multiline JTable header where the header column correctly enlarges to fit some text and then wraps to a new line?

Something like shown below:

Answer 1

This here also uses JTextArea and also resizes the header height when the table is resized. The key to the correct calculation of the table header height is setSize(width, getPreferredSize().height);

class MultiLineTableHeaderRenderer extends JTextArea implements TableCellRenderer
{
  public MultiLineTableHeaderRenderer() {
    setEditable(false);
    setLineWrap(true);
    setOpaque(false);
    setFocusable(false);
    setWrapStyleWord(true);
    LookAndFeel.installBorder(this, "TableHeader.cellBorder");
  }

  @Override
  public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
    int width = table.getColumnModel().getColumn(column).getWidth();
    setText((String)value);
    setSize(width, getPreferredSize().height);
    return this;
  }
}