code: @Override
  	public Object getCellEditorValue()
  	{
  		if (isClicked())
  		{
  			JOptionPane.showMessageDialog(button, "You clicked the button with the value "
  				+ this.value + " in row index " + row + " and in colunm index " + column + ".");
  		}
  		setClicked(false);
  		String text = "";
  		if (getValue() != null)
  		{
  			text = getValue().toString();
  		}
  		return text;
  	}
docs: {@inheritDoc}