public DistributedTextEditor() {
area1.setFont(new Font("Monospaced", Font.PLAIN, 12));
area2.setFont(new Font("Monospaced", Font.PLAIN, 12));
((AbstractDocument) area1.getDocument()).setDocumentFilter(dec);
area2.setEditable(false);
Container content = getContentPane();
content.setLayout(new BoxLayout(content, BoxLayout.Y_AXIS));
JScrollPane scroll1 =
new JScrollPane(
area1, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
content.add(scroll1, BorderLayout.CENTER);
JScrollPane scroll2 =
new JScrollPane(
area2, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
content.add(scroll2, BorderLayout.CENTER);
content.add(ipaddress, BorderLayout.CENTER);
content.add(portNumber, BorderLayout.CENTER);
JMenuBar JMB = new JMenuBar();
setJMenuBar(JMB);
JMenu file = new JMenu("File");
JMenu edit = new JMenu("Edit");
JMB.add(file);
JMB.add(edit);
file.add(Listen);
file.add(Connect);
file.add(Disconnect);
file.addSeparator();
file.add(Save);
file.add(SaveAs);
file.add(Quit);
edit.add(Copy);
edit.add(Paste);
edit.getItem(0).setText("Copy");
edit.getItem(1).setText("Paste");
Save.setEnabled(false);
SaveAs.setEnabled(false);
Disconnect.setEnabled(false);
setDefaultCloseOperation(EXIT_ON_CLOSE);
pack();
area1.addKeyListener(k1);
area1.addMouseListener(m1);
setTitle("Disconnected");
setVisible(true);
area1.insert("Welcome to Hjortehandlerne's distributed text editor. \n", 0);
this.addWindowListener(w1);
}
public void actionPerformed(ActionEvent e) {
saveOld();
area.setText("");
currentFile = "Untitled";
setTitle(currentFile + " - CoreyTextEditor");
changed = false;
Save.setEnabled(false);
SaveAs.setEnabled(false);
}
/**
* The disconnect method will stop the eventreplayer, and send null to the other peers, to stop
* their reading from their streams. The GUI-menu is updated appropriately.
*/
public void disconnect() {
setTitle("Disconnected");
active = false;
if (connected == true) {
er.stopStreamToQueue();
ert.interrupt();
setDocumentFilter(null);
connected = false;
setLocked(false);
}
deregisterOnPort();
Disconnect.setEnabled(false);
Connect.setEnabled(true);
Listen.setEnabled(true);
Save.setEnabled(true);
SaveAs.setEnabled(true);
}
public void actionPerformed(ActionEvent e) {
saveOld();
area1.setText("");
resetArea2();
try {
clientSocket = new Socket(ipaddress.getText(), Integer.parseInt(portNumber.getText()));
Random r = new Random();
serverport = 10000 + r.nextInt(8999); // random port :D
serverSocket = new ServerSocket(serverport);
active = true;
editor.setTitleToListen();
connected = true;
ObjectOutputStream output = new ObjectOutputStream(clientSocket.getOutputStream());
ObjectInputStream input = new ObjectInputStream(clientSocket.getInputStream());
output.writeObject(new JoinNetworkRequest(serverport));
ConnectionData data = getConnectionData(clientSocket, input);
lc = new LamportClock(data.getId());
lc.setMaxTime(data.getTs());
dec = new DocumentEventCapturer(lc, editor);
er = new EventReplayer(editor, dec, lc);
ert = new Thread(er);
ert.start();
Peer peer =
new Peer(
editor,
er,
data.getHostId(),
clientSocket,
output,
input,
lc,
clientSocket.getInetAddress().getHostAddress(),
data.getPort());
dec.addPeer(peer);
Thread thread = new Thread(peer);
thread.start();
er.setAcknowledgements(data.getAcknowledgements());
er.setEventHistory(data.getEventHistory());
er.setCarets(data.getCarets());
er.addCaretPos(lc.getID(), 0);
for (PeerWrapper p : data.getPeers()) {
Socket socket;
try {
socket = connectToPeer(p.getIP(), p.getPort());
ObjectOutputStream outputStream = new ObjectOutputStream(socket.getOutputStream());
ObjectInputStream inputStream = new ObjectInputStream(socket.getInputStream());
outputStream.writeObject(
new NewPeerDataRequest(lc.getID(), serverSocket.getLocalPort(), 0));
Peer newPeer =
new Peer(
editor,
er,
p.getId(),
socket,
outputStream,
inputStream,
lc,
p.getIP(),
p.getPort());
dec.addPeer(newPeer);
Thread t = new Thread(newPeer);
t.start();
} catch (IOException ex) {
continue;
}
}
Thread t1 =
new Thread(
new Runnable() {
@Override
public void run() {
waitForConnection();
}
});
t1.start();
area1.setText(data.getTextField());
area1.setCaretPosition(0);
setDocumentFilter(dec);
dec.sendObjectToAllPeers(new UnlockRequest(lc.getTimeStamp()));
changed = false;
Connect.setEnabled(false);
Disconnect.setEnabled(true);
Listen.setEnabled(false);
Save.setEnabled(false);
SaveAs.setEnabled(false);
} catch (NumberFormatException | IOException e1) {
setTitle("Unable to connect");
}
}
public void actionPerformed(ActionEvent e) {
saveOld();
final InetAddress local;
active = true;
try {
local = InetAddress.getLocalHost();
Runnable server =
new Runnable() {
public void run() {
serverport = Integer.parseInt(portNumber.getText());
int myID = getNewId();
registerOnPort();
editor.setTitleToListen();
clientSocket = waitForConnectionFromClient();
lc = new LamportClock(myID);
area1.setText("");
resetArea2();
if (clientSocket != null) {
listen = true;
connected = true;
dec = new DocumentEventCapturer(lc, editor);
setDocumentFilter(dec);
er = new EventReplayer(editor, dec, lc);
er.updateCaretPos(myID, 0);
ert = new Thread(er);
ert.start();
try {
ObjectOutputStream output =
new ObjectOutputStream(clientSocket.getOutputStream());
ObjectInputStream input =
new ObjectInputStream(clientSocket.getInputStream());
JoinNetworkRequest request = (JoinNetworkRequest) input.readObject();
int id = getNewId();
Peer peer =
new Peer(
editor,
er,
id,
clientSocket,
output,
input,
lc,
clientSocket.getInetAddress().getHostAddress(),
request.getPort());
ConnectionData cd =
new ConnectionData(
er.getEventHistory(),
er.getAcknowledgements(),
er.getCarets(),
id,
area1.getText(),
lc.getTimeStamp(),
lc.getID(),
dec.getPeers(),
serverSocket.getLocalPort());
dec.addPeer(peer);
er.addCaretPos(id, 0);
Thread t = new Thread(peer);
t.start();
peer.writeObjectToStream(cd);
} catch (IOException | ClassNotFoundException e) {
e.printStackTrace();
}
}
waitForConnection();
}
};
Thread serverThread = new Thread(server);
serverThread.start();
} catch (UnknownHostException e1) {
e1.printStackTrace();
}
changed = false;
Disconnect.setEnabled(true);
Listen.setEnabled(false);
Connect.setEnabled(false);
Save.setEnabled(false);
SaveAs.setEnabled(false);
}
public void keyPressed(KeyEvent e) {
changed = true;
Save.setEnabled(true);
SaveAs.setEnabled(true);
}
/** Constructor to create the frame and its components */
public CoreyTextEditor() {
// Create a scroll pane
area.setFont(new Font("Monospaced", Font.PLAIN, 12));
JScrollPane scroll =
new JScrollPane(
area, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
add(scroll, BorderLayout.CENTER);
// Adds the system default look and feel
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException
| InstantiationException
| UnsupportedLookAndFeelException
| IllegalAccessException e) {
e.printStackTrace();
}
// Create a menu bar
JMenuBar JMB = new JMenuBar();
setJMenuBar(JMB);
JMenu file = new JMenu("File");
JMenu edit = new JMenu("Edit");
JMB.add(file);
JMB.add(edit);
// Finishing our menu bar
file.add(New);
file.add(Open);
file.add(Save);
file.add(SaveAs);
file.addSeparator();
file.add(Quit);
edit.add(Cut);
edit.add(Copy);
edit.add(Paste);
edit.getItem(0).setText("Cut");
edit.getItem(0).setIcon(new ImageIcon("cut.gif"));
edit.getItem(1).setText("Copy");
edit.getItem(1).setIcon(new ImageIcon("copy.gif"));
edit.getItem(2).setText("Paste");
edit.getItem(2).setIcon(new ImageIcon("paste.gif"));
// Time to make a toolbar!
JToolBar tool = new JToolBar();
add(tool, BorderLayout.NORTH);
tool.add(New);
tool.add(Open);
tool.add(Save);
tool.addSeparator();
JButton cut = tool.add(Cut);
JButton cop = tool.add(Copy);
JButton pas = tool.add(Paste);
cut.setText(null);
cut.setIcon(new ImageIcon("cut.gif"));
cop.setText(null);
cop.setIcon(new ImageIcon("copy.gif"));
pas.setText(null);
pas.setIcon(new ImageIcon("paste.gif"));
Save.setEnabled(false);
SaveAs.setEnabled(false);
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
pack();
/*
KeyListener to change Save and SaveAs
*/
KeyListener k1 =
new KeyAdapter() {
public void keyPressed(KeyEvent e) {
changed = true;
Save.setEnabled(true);
SaveAs.setEnabled(true);
}
};
area.addKeyListener(k1);
setTitle(currentFile + " - CoreyTextEditor");
setVisible(true);
}