📄 clientcontrolgui.java
字号:
static void friendGUIExit(){
isFriendStarted=false;
clientFriendGUI.stop();
}
static void serverExit(){
connecting=false;
beep();
titleLabel.setForeground(Color.red);
statusLabel.setText("Server is down!");
statusLabel.setForeground(Color.RED);
messageToFriend=null;
friendObjectList.removeAll(friendObjectList);
listModel.removeAllElements();
ClientThread.clearFileList(); //clear file list
}
private Container makeMainPane(){
Container original=new JPanel();
original.setLayout(new BoxLayout(original,BoxLayout.Y_AXIS));
JPanel statusPane=new JPanel(new GridLayout(3,1));
titleLabel=new JLabel("Status:");
if(initiate){
titleLabel.setForeground(Color.GREEN);
statusLabel=new JLabel("Listening for messages.");
statusLabel.setForeground(Color.GREEN);
}
else{ //port is pre-occupied
titleLabel.setForeground(Color.RED);
statusLabel=new JLabel("Cannot listen on port 4445 for message!");
statusLabel.setForeground(Color.RED);
}
titleLabel.setHorizontalAlignment(SwingUtilities.CENTER);
statusLabel.setHorizontalAlignment(SwingUtilities.CENTER);
statusPane.add(titleLabel);
statusPane.add(statusLabel);
JLabel label=new JLabel("Current client's ID:"+currentClientID);
label.setHorizontalAlignment(SwingUtilities.CENTER);
statusPane.add(label);
JPanel buttonPane=new JPanel(new GridLayout(2,5));
JButton button=new JButton("Send File");
button.setActionCommand(SENDFILE);
button.addActionListener(this);
button.setToolTipText("To send a file to a friend.");
buttonPane.add(button);
buttonPane.add(Box.createRigidArea(button.getPreferredSize()));
buttonPane.add(button);
buttonPane.add(Box.createRigidArea(button.getPreferredSize()));
button=new JButton("Add");
button.setActionCommand(ADD);
button.addActionListener(this);
button.setToolTipText("To add some friends.");
buttonPane.add(button);
buttonPane.add(Box.createRigidArea(button.getPreferredSize()));
button=new JButton("Send Info");
button.setActionCommand(SENDINFO);
button.addActionListener(this);
button.setToolTipText("Send message to a friends.");
buttonPane.add(Box.createRigidArea(button.getPreferredSize()));
buttonPane.add(button);
buttonPane.add(Box.createRigidArea(button.getPreferredSize()));
button=new JButton("Delete");
button.setActionCommand(DEL);
button.addActionListener(this);
button.setToolTipText("To delete some friends.");
buttonPane.add(button);
buttonPane.add(Box.createRigidArea(button.getPreferredSize()));
//panel to monitor and send message with online friends list
JSplitPane monitorPane;
//monitorPane.setLayout(new BoxLayout(monitorPane,BoxLayout.X_AXIS)); =new JPanel()
//pane to monitor and send message
JSplitPane messagePane;
JPanel superMessagePane=new JPanel();
superMessagePane.setLayout(new BoxLayout(superMessagePane,BoxLayout.Y_AXIS));
JPanel pane1=new JPanel();
pane1.setLayout(new BoxLayout(pane1,BoxLayout.Y_AXIS));
toFriendLabel=new JLabel("To friend, ID:");
toFriendField=new JTextArea(3,10); //write message to be sent to friend
toFriendField.addKeyListener(this);
JScrollPane scrollPane1=new JScrollPane(toFriendField,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
pane1.add(toFriendLabel);
pane1.add(scrollPane1);
JPanel pane2=new JPanel();
pane2.setLayout(new BoxLayout(pane2,BoxLayout.Y_AXIS));
messageLabel=new JLabel("Messages from friends:");
messageField=new JTextArea(5,10); //to display message from friend
messageField.setEditable(false);
JScrollPane scrollPane2=new JScrollPane(messageField,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
pane2.add(messageLabel);
pane2.add(scrollPane2);
messagePane=new JSplitPane(JSplitPane.VERTICAL_SPLIT,pane1,pane2);
messagePane.setOneTouchExpandable(true);
JLabel tempLabel=new JLabel("Message Pane");
tempLabel.setHorizontalAlignment(SwingUtilities.CENTER);
superMessagePane.add(tempLabel);
superMessagePane.add(messagePane);
//messagePane.add(toFriendLabel);
//messagePane.add(scrollPane1);
//messagePane.add(messageLabel);
//messagePane.add(scrollPane2);
//pane to list online friends
JPanel friendPane=new JPanel();
friendPane.setLayout(new BoxLayout(friendPane,BoxLayout.Y_AXIS));
//if(Client.getFriendsDatabase().haveFriends()) //
friendLabel=new JLabel("No online friend");
listModel=new DefaultListModel();
friendList=new JList(listModel);
friendList.addListSelectionListener(this);
JScrollPane scrollPane3=new JScrollPane(friendList,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
//scrollPane3.setPreferredSize(new Dimension(100,80));
//System.out.println(scrollPane3.getPreferredSize());
friendPane.add(friendLabel);
friendPane.add(scrollPane3);
//add to monitor pane
monitorPane=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,messagePane,friendPane);
monitorPane.setDividerLocation(250); //set split-pane location
monitorPane.setOneTouchExpandable(true);
JPanel superMonitorPane=new JPanel();
superMonitorPane.add(monitorPane);
//monitorPane.setOneTouchExpandable(true);
//monitorPane.add(superMessagePane);
//monitorPane.add(Box.createHorizontalStrut(5));
//monitorPane.add(friendPane);
//monitorPane.setPreferredSize(new Dimension(monitorPane.getPreferredSize().width,messagePane.getPreferredSize().height));
//buttonPane.setPreferredSize(new Dimension(monitorPane.getPreferredSize().width,buttonPane.getPreferredSize().height));
original.add(statusPane);
original.add(Box.createVerticalStrut(5));
original.add(buttonPane);
original.add(Box.createVerticalStrut(5));
original.add(superMonitorPane);
//original.setPreferredSize(new Dimension(200,300));
return original;
}
private JMenuBar makeMenuBar(){
JMenuBar menuBar=new JMenuBar();
JMenu menu=new JMenu("File");
menu.setMnemonic(KeyEvent.VK_F);
JMenuItem menuItem=new JMenuItem("Exit");
menuItem.setMnemonic(KeyEvent.VK_E);
menuItem.setActionCommand(EXIT);
menuItem.addActionListener(this);
menu.add(menuItem);
menuItem=new JMenuItem("About this system");
menuItem.setActionCommand(ABOUT);
menuItem.addActionListener(this);
menu.addSeparator();
menu.add(menuItem);
menuBar.add(menu);
menu=new JMenu("Edit");
menu.setMnemonic(KeyEvent.VK_E);
menuItem=new JMenuItem("Add Friend");
menuItem.setMnemonic(KeyEvent.VK_A);
menuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A,ActionEvent.ALT_MASK));
menuItem.setActionCommand(ADD);
menuItem.addActionListener(this);
menu.add(menuItem);
menu.addSeparator();
menuItem=new JMenuItem("Del Friend");
menuItem.setMnemonic(KeyEvent.VK_D);
menuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_D,ActionEvent.ALT_MASK));
menuItem.setActionCommand(DEL);
menuItem.addActionListener(this);
menu.add(menuItem);
menuBar.add(menu);
return menuBar;
}
private void dataToFriend(String tempIP,ServerClient data){
if(!connecting){
beep();
JOptionPane.showMessageDialog(frame,"Connection to server failed!",
"Error",JOptionPane.ERROR_MESSAGE);
return;
}
byte[] tempByteArray;
try{
Socket toFriendSocket=new Socket(tempIP,4445);
ByteArrayOutputStream tempBaos=new ByteArrayOutputStream(6000);
ObjectOutputStream tempOos=new ObjectOutputStream(tempBaos);
tempOos.flush();
tempOos.writeObject(data);
tempOos.flush();
tempByteArray=tempBaos.toByteArray();
DataOutputStream tempDos=new DataOutputStream(toFriendSocket.getOutputStream());
tempDos.write(tempByteArray,0,tempByteArray.length);
tempBaos.close();
tempOos.close();
tempDos.close();
toFriendSocket.close();
}catch(ConnectException e){
JOptionPane.showMessageDialog(frame,"Sorry,friend(ID: "+messageToFriend.getID()+") has quited.",
"Connection failed",JOptionPane.ERROR_MESSAGE);
//System.out.println("Sorry,friend(ID: "+messageToFriend.getID()+") has quited.");
}
catch(UnknownHostException e){
JOptionPane.showMessageDialog(frame,"IP address isn't valid!",
"Connection failed",JOptionPane.ERROR_MESSAGE);
//System.out.println(e+" ClientControlThread "+e.getMessage());
}
catch(IOException e){
System.out.println(e+" ClientControlThread "+e.getMessage());
}
}
private void sendMessageToFriend(){
if(messageToFriend==null){
beep();
JOptionPane.showMessageDialog(frame,"You haven't select any friend!",
"No selected friend",JOptionPane.INFORMATION_MESSAGE);
return;
}
String tempIP=messageToFriend.getIP();
String info=toFriendField.getText();
info=String.valueOf(currentClientID)+","+info;
ServerClient data=new ServerClientData("friendWantChat",info);
dataToFriend(tempIP,data);
toFriendField.setText("");
}
private boolean initiateSocketStreams(String serverAddress){
try{serverSocket=new Socket(serverAddress, 4444); //construct connection to server
//oosServer=new ObjectOutputStream(/*new BufferedOutputStream(*/
//serverSocket.getOutputStream());
//oisServer=new ObjectInputStream(/*new BufferedInputStream(*/
//serverSocket.getInputStream());
baos=new ByteArrayOutputStream(6000);
oosServer=new ObjectOutputStream(baos);
dos=new DataOutputStream(serverSocket.getOutputStream());
}catch(ConnectException e){
JOptionPane.showMessageDialog(frame,"Server hasn't been set up!",
"Connection Failed",JOptionPane.WARNING_MESSAGE);
//System.out.println("Server hasn't been set up!");
return false;
}
catch(UnknownHostException e){
JOptionPane.showMessageDialog(frame,"Cannot connect to server:"+serverAddress,
"Connection Failed",JOptionPane.WARNING_MESSAGE);
//System.out.println(e+" ClientControlThread "+e.getMessage());
return false;
}catch(IOException e){
JOptionPane.showMessageDialog(frame,"IOException cause connection failed!",
"Connection Failed",JOptionPane.WARNING_MESSAGE);
//System.out.println(e+" ClientControlThread "+e.getMessage());
return false;
}
return true;
}
private void closeSocketStreams(){
try{
serverSocket.close();
baos.close();
oosServer.close();
dos.close();
}catch(IOException e){
System.out.println(e+" ClientControlThread "+e.getMessage());
}
}
private void exit(){
int choice=JOptionPane.showConfirmDialog(frame,
"Do you really want to quit?",
"Exit Confirm",
JOptionPane.YES_NO_OPTION);
if(choice==1) //do not want to del
return;
if(!connecting || !initiateSocketStreams(serverAddress)){
Client.exit();
return;
}
//System.out.println("test");
ServerClient quit=new ServerClientData("clientQuit",currentClientID);
try{
oosServer.flush();
oosServer.writeObject(quit);
oosServer.flush();
byteArray=new byte[6000];
byteArray=baos.toByteArray();
dos.write(byteArray,0,byteArray.length);
}catch(IOException e){
JOptionPane.showMessageDialog(frame,"IOException:"+e.getMessage(),
"ClientControlThread",JOptionPane.ERROR_MESSAGE);
//System.out.println(e+" ClientControlThread "+e.getMessage());
}
closeSocketStreams();
Client.exit();
}
private static void beep(){
Toolkit.getDefaultToolkit().beep();
}
}⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -