java.awt.FontMetrics fm = a.getFontMetrics(a.getFont());
	public void actionPerformed(ActionEvent e) {	  m_selectedAttribs = m_attribList.getSelectedIndices();	  initInternalFields();						  Plot a = m_plotsPanel;	  java.awt.FontMetrics fm = a.getFontMetrics(a.getFont());	  a.setCellSize( m_plotSize.getValue() );						  Dimension d = new Dimension((m_selectedAttribs.length)*(a.cellSize+a.extpad)+100, 				      (m_selectedAttribs.length)*(a.cellSize+a.extpad)				      +2*fm.getHeight()+a.extpad);	  //System.out.println("Size: "+a.cellSize+" Extpad: "+	  //		   a.extpad+" selected: "+	  //		   m_selectedAttribs.length+' '+d); 	  a.setPreferredSize(d);	  a.setSize( a.getPreferredSize() );	  a.setJitter( m_jitter.getValue() );						  m_js.revalidate();	  m_cp.setColours(m_colorList);	  m_cp.setCindex(m_classIndex);						  repaint();	}