just for debugging。。

import java.awt.event.*;

import acm.graphics.*;
import acm.program.*;
import stanford.facepamphlet.*;
import javax.swing.*;

public class FacePamphlet extends GraphicsProgram implements FPConstants {

/* Initializes the application */

    public void init() {
        repository = new FPRepositoryStub("eroberts","Eric Roberts");
        currentVisitingPerson="Eric Roberts";
        AvatarName="Eric Roberts.jpg";
        currentStatus="Haven‘t say anything yet...";        
        initCenter();
        initWestPanel();
        initEastPanel();
        addActionListeners();
        
    }
/*Initializes the center of the display window */
    private void initCenter(){
        removeAll();
        Name=new GLabel(currentVisitingPerson);
        Name.setFont(PROFILE_NAME_FONT);
        add(Name,LEFT_MARGIN,TOP_MARGIN+Name.getAscent());
        Avatar=new GImage(AvatarName);
        if(Avatar.getWidth()>APPLICATION_WIDTH-2*LEFT_MARGIN){
            Avatar.scale((APPLICATION_WIDTH-2*LEFT_MARGIN)/Avatar.getWidth(),IMAGE_HEIGHT/Avatar.getHeight());
        }
        if(Avatar.getWidth()<=APPLICATION_WIDTH-2*LEFT_MARGIN){
            Avatar.scale(1.0,IMAGE_HEIGHT/Avatar.getHeight());
        }       
        add(Avatar,LEFT_MARGIN,TOP_MARGIN+Name.getAscent()+NAME_IMAGE_SEP);
        Status=new GLabel(currentStatus);
        Status.setFont(PROFILE_STATUS_FONT);
        add(Status,LEFT_MARGIN,TOP_MARGIN+Name.getAscent()+NAME_IMAGE_SEP+IMAGE_HEIGHT+IMAGE_STATUS_SEP+Status.getAscent());       
    }
/*Initializes the west control panel*/
    private void initWestPanel(){
        currentUser=new JButton("Eric Roberts");
        add(currentUser,WEST);
        add(new JLabel("Friends:"),WEST);
        friendList=new FPScrollableList();
        add(friendList,WEST);
        visit=new JButton("Visit");
        add(visit,WEST);
        add(new JLabel("Send a friend request"),WEST);
        sendRequest=new JTextField();
        add(sendRequest,WEST);
        request=new JButton("Request");
        add(request,WEST);
        add(new JLabel("Pending friend request:"),WEST);
        requestList=new FPScrollableList();
        add(requestList,WEST);
        accept=new JButton("accept");
        add(accept,WEST);
        reject=new JButton("reject");
        add(reject,WEST);
        add(new JLabel("Status:"),WEST);
        updateStatus=new JTextField();
        add(updateStatus,WEST);
        changeStatus=new JButton("Chang Status");
        add(changeStatus,WEST);
        add(new JLabel("Image"),WEST);
        imageFileName=new JTextField();
        add(imageFileName,WEST);
        changeImage=new JButton("Change Image");
        add(changeImage,WEST);    
        
        friendList.addActionListener(this);
        friendList.setActionCommand("Visit");
        
        requestList.addActionListener(this);
        requestList.setActionCommand("Accept");
        
        sendRequest.addActionListener(this);
        sendRequest.setActionCommand("Request");
        
        updateStatus.addActionListener(this);
        updateStatus.setActionCommand("Change Status");
        
        changeImage.addActionListener(this);
        changeImage.setActionCommand("Change Image");
    }
/*Initializes the east control panel*/
    private void initEastPanel(){
        whosWall=new JLabel("",JLabel.CENTER);
        add(whosWall,EAST);
        contentOfWall=new FPScrollableTextArea();
        add(contentOfWall,EAST);
        add(new JLabel("Message Area",JLabel.CENTER),EAST);
        contentToSend=new FPScrollableTextArea();
        add(contentToSend,EAST);
        contentToSend.setEditable(true);
        send=new JButton("Send");
        add(send,EAST);
        
        
        
    }
    
    public void actionPerformed(ActionEvent e){
        if(changeStatus==e.getSource()){
            String content=updateStatus.getText();
            changeMyStatus(content);
        }
        if(visit==e.getSource()){
            String friend=friendList.getSelectedName();
            visitFriend(friend);
            currentVisitingPerson=friend;
        }
        if(changeImage==e.getSource()){
            String image=imageFileName.getText();
            changeImage(image);
        }
        if(accept==e.getSource()){
            String name=requestList.getSelectedName();
            acceptFriend(name);
        }
        if(reject==e.getSource()){
            String name=requestList.getSelectedName();
            rejectFriend(name);
        }
        if(request==e.getSource()){
            String name=sendRequest.getText();
            sendaRequest(name);
        }
        if(send==e.getSource()){
            String content=contentToSend.getText();
            String name=currentVisitingPerson;
            leaveAMessageToSomeone(content,name);
        }
    }
    public void leaveAMessageToSomeone(String content,String name){
        println("I send this: "+content+" to "+name);
    }
    public void sendaRequest(String name){
        println("I am going to ask "+name+" to be my friend");
    }
    public void rejectFriend(String name){
        println("I am going to reject "+name+"‘s request");
    }
    public void acceptFriend(String name){
        println("I am going to accept "+name+" as my friend");
    }
    public void changeImage(String image){
        repository.setProperty(IMAGE_KEY, image);
        println("image = " + repository.getProperty(IMAGE_KEY));
        Avatar.setImage(repository.getProperty(IMAGE_KEY));
        initCenter();
    }
    public void visitFriend(String friend){
        println("I am going to visit " + friend);
    }
    public void changeMyStatus(String newStatus) {
        repository.setProperty(STATUS_KEY, newStatus);
        println("status = " + repository.getProperty(STATUS_KEY));
        Status.setLabel( repository.getProperty(STATUS_KEY));
    }

/* Instance variables */
    private FPRepository repository;
    private String currentVisitingPerson;
/* Instance variables of west control panel*/
    private JButton currentUser;
    private FPScrollableList friendList;
    private JButton visit;
    private JTextField sendRequest;
    private JButton request;
    private FPScrollableList requestList;
    private JButton accept;
    private JButton reject;
    private JTextField updateStatus;
    private JButton changeStatus;
    private JTextField imageFileName;
    private JButton changeImage;
/* Instance variables of east control panel*/
    private JLabel whosWall;
    private FPScrollableTextArea contentOfWall;
    private FPScrollableTextArea contentToSend;
    private JButton send;
/* Instance variables of center graphical display */
    private String currentStatus;
    private String AvatarName;
    private GLabel Name;
    private GImage Avatar;
    private GLabel Status;
    private GLabel ErorrMessage;
}