?? swiminfo.java
字號:
import java.awt.*;
import java.awt.event.*;
public class SwimInfo extends Frame
implements ActionListener
{
SwimData sdata, sxdata = null;
List swList, cloneList;
Button Clone, Refresh, Quit;
Swimmer sw;
public SwimInfo()
{
super("Prototype example");
sdata = new SwimData("swimmers.txt");
setGUI();
loadswList();
}
//-----------------------------------
public void actionPerformed(ActionEvent e)
{
Object obj = e.getSource();
if(obj == Clone)
cloneAndLoad();
if(obj == Refresh)
loadswList();
if(obj == Quit)
System.exit(0);
}
//-----------------------------------
private void cloneAndLoad()
{
//sxdata = (SwimData)sdata.deepClone();
sxdata = (SwimData)sdata.clone();
sxdata.sortByTime();
cloneList.removeAll();
//now print out sorted values from clone
for(int i=0; i< sxdata.size(); i++)
{
sw = sxdata.getSwimmer(i);
cloneList.addItem(sw.getName()+" "+sw.getTime());
}
}
//-----------------------------------
private void loadswList()
{
swList.removeAll();
for(int i=0; i< sdata.size(); i++)
{
sw = sdata.getSwimmer(i);
swList.addItem(sw.getName()+" "+sw.getTime());
}
}
//-----------------------------------
private void setGUI()
{
setLayout(new GridLayout(1,3));
setBackground(Color.lightGray);
swList = new List(15);
cloneList = new List(15);
Panel cp = new Panel();
add(swList);
add(cp);
add(cloneList);
Clone = new Button("Clone -->");
Refresh = new Button("<--Refresh");
Quit = new Button("Quit");
cp.setLayout(new GridLayout(3,1));
Panel p1 = new Panel();
cp.add(p1);
p1.add(Clone);
Panel p2 = new Panel();
cp.add(p2);
p2.add(Refresh);
Panel p3 = new Panel();
cp.add(p3);
p3.add(Quit);
Clone.addActionListener(this);
Refresh.addActionListener(this);
Quit.addActionListener(this);
setBounds( 100,100,500,400);
setVisible(true);
}
//-----------------------------------
static public void main(String argv[])
{
new SwimInfo();
}
}
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