多列表监听（求救）

    planetList = new JList(planets);
    planetList.addListSelectionListener(this);    ListSelectionModel selectionModel = table.getSelectionModel();
    selectionModel.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    selectionModel.addListSelectionListener(this);    public void valueChanged(ListSelectionEvent event){
    //the question is that the listener do not understand what to do.    if(event.getValueIsAdjusting()){
    JList source = (JList)event.getSource();
    Planet value = (Planet)source.getSelectedValue();
      // update image and description
    planetImage.setIcon(value.getImage());
    description.setText(value.getDescription());
    }else{
      //process table data
    int[] selectRow = table.getSelectedRows();
    String selectData = null;    for(int i=0;i<selectRow.length;i++){
      selectData = String.valueOf(table.getValueAt(selectRow[i],0));
    }
    displayNum.setText(selectData);
    }
  }