if(source == close) cancel(); else if(source == findBtn) { if(thread != null) thread.stop(); else ok(); } else if(source == find)
if(source == start || source == find)
		public void actionPerformed(ActionEvent evt)		{			Object source = evt.getSource();			if(source == close)				cancel();			else if(source == findBtn)			{				if(thread != null)					thread.stop();				else					ok();			}			else if(source == find)				ok();			else if(source == multifileBtn)				showMultiFileDialog();			else if(source == multifile)			{				if(multifile.isSelected())					showMultiFileDialog();				else					fileset = new CurrentBufferSet();			}		}