/*
	A basic extension of the java.awt.Frame class
 */

import java.awt.*;
import java.util.*;
import java.io.*;
import twinfeats.awt.*;
import twinfeats.io.*;
import twinfeats.util.*;
import twinfeats.conf.core.*;
import twinfeats.jar.*;
import java.awt.event.*;
import java.net.*;

import twinfeats.awt.TFTreeView;

public class ClientWin extends Frame implements FilenameFilter, ActionListener,
    TFNodePainter,PopupTrigger, ClientMaster
{
    public static String VERSION = "TFC v1.1";
     Comm comm;
     Image redball;
     Image greenball;
     Image blueball;
     Image magentaball;
     Image cyanball;
     Image yellowball;
     Image hand;
     Image stopsign;
     Image teacher;
     Image student;
     static Class[] clientBeans;
     ConfClientBean[] beans;
     Profile profile;
     ProfileSection section;
     boolean instructor;
     String curConf;
     String lastAck;
     Object clipboard;
     VCR vcr;
    
    public void setConfList(MsgConfInProgress[] list) {
        ClientNode n;
        String[] a;
        for (int i=0;i<list.length;i++) {
            if (list[i].isInProgress()) {
                if (list[i].isAccessable())
                    n = new ClientNode(list[i].getName(),cyanball);
                else
                    n = new ClientNode(list[i].getName(),magentaball);
                ConfTree.addRootNode(n);
                a = list[i].getUsers();
                if (a != null) {
                    for (int j=0;j<a.length;j++)
                        n.addChildNode(new ClientNode(a[j]));
                }
            }
            else
                if (list[i].isAccessable())
                    ConfTree.addRootNode(new ClientNode(list[i].getName(),blueball));
                else
                    ConfTree.addRootNode(new ClientNode(list[i].getName(),redball));
        }
        ConfTree.computeNodes();
    }
    
    public ClientWin(Comm c, MsgConfInProgress[] list) {
        this(c);
    }
    
    public ClientWin(Comm c) {
        this();
        comm = c;
        try {
      		profile = new Profile("client.ini",true);
      		profile.parse();
      	}
      	catch (FileNotFoundException fnfe) {
      	}
      	catch (IOException ioe) {
      	}
        redball = getToolkit().getImage("images/red-ball.gif");
        greenball = getToolkit().getImage("images/green-ball.gif");
        blueball = getToolkit().getImage("images/blue-ball.gif");
        magentaball = getToolkit().getImage("images/magenta-ball.gif");
        yellowball = getToolkit().getImage("images/yellow-ball.gif");
        cyanball = getToolkit().getImage("images/cyan-ball.gif");
        hand = getToolkit().getImage("images/hand.gif");
        stopsign = getToolkit().getImage("images/stop.gif");
        teacher = getToolkit().getImage("images/board.gif");
        student = getToolkit().getImage("images/student.gif");
		if (clientBeans == null) {
		    clientBeans = loadClientBeans();
		}
        PopupMenu popup = new PopupMenu();
        popup.add(new MenuItem("What's this?"));
        ConfTree.setPopup(popup);
        ConfTree.setPopupTrigger(this);
        new ReadListener(comm,comm.getName(),ConfBean.JOINCONF,new HandleJoin());
        new ReadListener(comm,comm.getName(),ConfBean.CONFINPROGRESS,new HandleConfInProgress());
        new ReadListener(comm,comm.getName(),ConfBean.CONFUPDATE,new HandleConfUpdate());
        new ReadListener(comm,comm.getName(),ConfBean.SCHEDULE,new HandleSchedule());
        new ReadListener(comm,comm.getName(),ConfBean.GETCARD,new HandleGetCard());
        new ReadListener(comm,comm.getName(),Comm.PING,new HandlePing());
        new ReadListener(comm,comm.getName(),ConfBean.USERPROPERTIES,new HandleUserProperties());
        new ReadListener(comm,comm.getName(),ConfBean.HANDACTION,new HandleHandAction());
        new ReadListener(comm,comm.getName(),ConfBean.GETTAPES,new HandleGetTapes());
        try {
            comm.startCommClient();
        }
		catch (UnknownHostException uhe) {
		    Status.setText("Error connecting, Unknown host");
		}
		catch (IOException ioe) {
		    Status.setText("Error connecting, IOException");
		}
    }
    
	public ClientWin()
	{
		// This code is automatically generated by Visual Cafe when you add
		// components to the visual environment. It instantiates and initializes
		// the components. To modify the code, only use code syntax that matches
		// what Visual Cafe can generate, or Visual Cafe may be unable to back
		// parse your Java file into its visual environment.
		//{{INIT_CONTROLS
		setLayout(null);
		setVisible(false);
		setSize(insets().left + insets().right + 413,insets().top + insets().bottom + 510);
		setFont(new Font("SansSerif", Font.PLAIN, 12));
		ConfTree = new twinfeats.awt.TFTreeView();
		ConfTree.setIconSize(12);
		ConfTree.setDrawLeafArrows(true);
		ConfTree.setExpanderColor(java.awt.Color.blue);
		ConfTree.setLayout(new BorderLayout(0,0));
		ConfTree.setBounds(insets().left + 8,insets().top + 48,295,407);
		ConfTree.setFont(new Font("SansSerif", Font.PLAIN, 12));
		add(ConfTree);
		Status = new java.awt.TextField();
		Status.setBounds(insets().left + 8,insets().top + 472,211,31);
		add(Status);
		Schedule = new java.awt.Button();
		Schedule.setLabel("Schedule");
		Schedule.setBounds(insets().left + 308,insets().top + 8,97,30);
		Schedule.setBackground(java.awt.Color.lightGray);
		add(Schedule);
		PingStatus = new java.awt.TextField();
		PingStatus.setEditable(false);
		PingStatus.setBounds(insets().left + 228,insets().top + 472,70,31);
		add(PingStatus);
		PingStatus.setEnabled(false);
		BusinessCard = new java.awt.Button();
		BusinessCard.setLabel("Business Card");
		BusinessCard.setBounds(insets().left + 308,insets().top + 43,97,30);
		BusinessCard.setBackground(java.awt.Color.lightGray);
		add(BusinessCard);
		RaiseHand = new java.awt.Button();
		RaiseHand.setLabel("Raise Hand");
		RaiseHand.setBounds(insets().left + 309,insets().top + 80,97,30);
		RaiseHand.setBackground(java.awt.Color.lightGray);
		add(RaiseHand);
		setTitle("TwinFeats Conference Client");
		//}}

		//{{INIT_MENUS
		menuBar1 = new java.awt.MenuBar();
		menuUser = new java.awt.Menu("User");
		menuChangePassword = new java.awt.MenuItem("Change Password");
		menuUser.add(menuChangePassword);
		menuBar1.add(menuUser);
		setMenuBar(menuBar1);
		//$$ menuBar1.move(0,0);
		//}}

		//{{REGISTER_LISTENERS
		SymWindow aSymWindow = new SymWindow();
		this.addWindowListener(aSymWindow);
		SymAction lSymAction = new SymAction();
		Schedule.addActionListener(lSymAction);
		BusinessCard.addActionListener(lSymAction);
		RaiseHand.addActionListener(lSymAction);
		menuChangePassword.addActionListener(lSymAction);
		//}}
		ConfTree.setNodePainter(this);
	}

	public ClientWin(String title)
	{
		this();
		setTitle(title);
	}

	public synchronized void show()
	{
		move(50, 50);
		super.show();
		Rectangle r = getWinBounds("Client Master");
		if (r != null)
		    setBounds(r);
	}

	public void addNotify()
	{
	    // Record the size of the window prior to calling parents addNotify.
	    Dimension d = getSize();
	    
		super.addNotify();

		if (fComponentsAdjusted)
			return;

		// Adjust components according to the insets
		setSize(insets().left + insets().right + d.width, insets().top + insets().bottom + d.height);
		Component components[] = getComponents();
		for (int i = 0; i < components.length; i++)
		{
			Point p = components[i].getLocation();
			p.translate(insets().left, insets().top);
			components[i].setLocation(p);
		}
		fComponentsAdjusted = true;
	}

    // Used for addNotify check.
	boolean fComponentsAdjusted = false;

	//{{DECLARE_CONTROLS
	twinfeats.awt.TFTreeView ConfTree;
	java.awt.TextField Status;
	java.awt.Button Schedule;
	java.awt.TextField PingStatus;
	java.awt.Button BusinessCard;
	java.awt.Button RaiseHand;
	//}}

	//{{DECLARE_MENUS
	java.awt.MenuBar menuBar1;
	java.awt.Menu menuUser;
	java.awt.MenuItem menuChangePassword;
	//}}

	class SymWindow extends java.awt.event.WindowAdapter
	{
		public void windowClosing(java.awt.event.WindowEvent event)
		{
			Object object = event.getSource();
			if (object == ClientWin.this)
				ClientWin_WindowClosing(event);
		}
	}
	
	void ClientWin_WindowClosing(java.awt.event.WindowEvent event)
	{
		setWinBounds("Client Master",getBounds());
		disposeBeans();
		writeProperties();
	    hide();
		dispose();		 // dispose of the Frame.
		System.exit(0);
	}

    public Class[] loadClientBeans() {
        File f = new File("beans");
        String[] fa = f.list(this);
        ZipLoader zl;
        Class[] ca;
        Vector v = new Vector();
        int count = 0;
        if (fa == null) {
            System.out.println("No jars found!");
            System.exit(1);
        }
        for (int i=0;i<fa.length;i++) {
            try {
                zl = new ZipLoader("beans"+File.separator+fa[i]);
                zl.loadAll(null);
                ca = zl.getBeans(ConfClientBean.class);
                if (ca != null) {
                    count += ca.length;
                    v.addElement(ca);
                }
            }
            catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
        if (count == 0) {
            System.out.println("No client beans found!");
            System.exit(1);
        }
        Class[] bca = new Class[count];
        int l = v.size();
        count = 0;
        for (int i=0;i<l;i++) {
            ca = (Class[])v.elementAt(i);
            for (int j=0;j<ca.length;j++)
                bca[count++] = ca[j];
        }
        return bca;
    }

    public boolean accept(File dir, String name) {
        return name.toLowerCase().endsWith(".jar");
    }
    
    class HandleJoin implements GenericMessageListener {
        HandleJoin() {
        }
        /**
         * CommMessageListener: A message has been received
         */
        public void message(CommMessageEvent cme) {
            CommMessage msg = cme.getCommMessage();
            MsgJoinConf body = (MsgJoinConf)msg.getBody();
            if (body == null) return;
            if (body.isSuccess()) {
                TFTreeNode node = ConfTree.findNode(body.getName());
                String[] a = body.getUsers();
                if (node != null) {
                    node.setIcon(greenball);
                    node.removeChildren();
                    synchronized(ConfTree) {
                        for (int i=0;i<a.length;i++) {
                            node.addChildNode(new ClientNode(a[i]));
                        }
                    }
                    node.expand();
                    ConfTree.computeNodes();
                    ConfTree.repaint();
                    if (instructor) {
                        CommMessage m = new CommMessage(comm.getName(),ConfBean.CONFERENCESERVER,
                            ConfBean.HANDACTION,new MsgHandAction(MsgHandAction.TEACHER,true,node.getName(),false));
                        comm.send(m);
                    }
                }
            }
            else {
                Status.setText("Join conference request refused");
                disposeBeans();
            }
        }
    }
    
    class HandleConfInProgress implements GenericMessageListener {
        HandleConfInProgress() {
        }
        /**
         * CommMessageListener: A message has been received
         */
        public void message(CommMessageEvent cme) {
            CommMessage msg = cme.getCommMessage();
            MsgConfInProgress body = (MsgConfInProgress)msg.getBody();
            if (body == null) return;
            TFTreeNode node = ConfTree.findNode(body.getName());
            if (node != null) {
                if (body.isInProgress())
                    node.setIcon(cyanball);
                else {
                    node.setIcon(redball);
//                    node.removeChildren();
//                    ConfTree.computeNodes();
                    ConfTree.repaint();
                    disposeBeans();
                }
            }
        }
    }
    
    public void disposeBeans() {
        if (beans == null) return;
        synchronized (beans) {
            if (beans != null) {
                for (int i=0;i<beans.length;i++)
                    beans[i].dispose();
                beans = null;
            }
            writeProperties();
        }
    }

    public boolean popupTrigger(TFTreeView t, TFTreeNode n, PopupMenu p) {
        p.removeAll();
        MenuItem mi;
        ClientNode cn = (ClientNode)n;
        if (n.getLevel() == 0) {
            if (n.getIcon() == cyanball) {
                if (beans != null) return false;
                mi = new MenuItem("Join");
                mi.addActionListener(this);
                p.add(mi);
            }
            else if (n.getIcon() == greenball) {
                mi = new MenuItem("Leave");
                mi.addActionListener(this);
                p.add(mi);
            }
            else {// if (n.getIcon() == redball) {
                mi = new MenuItem("See schedule");
                mi.addActionListener(this);
                p.add(mi);
                if (n.getIcon() == blueball) {
                    mi = new MenuItem("View transcript");
                    mi.addActionListener(this);
                    p.add(mi);
                }
            }
//            else
//                return false;
        }
        else {
            mi = new MenuItem("Get business card");
            mi.addActionListener(this);
            p.add(mi);
            if (instructor) {
                mi = new MenuItem("Acknowledge hand");
                mi.addActionListener(this);
                p.add(mi);
                if (cn.quiet)
                    mi = new MenuItem("Unquiet");
                else
                    mi = new MenuItem("Quiet");
                mi.addActionListener(this);
                p.add(mi);
            }
        }
        return true;
    }

    public void actionPerformed(ActionEvent event) {
        Object o = event.getSource();
        if (o instanceof MenuItem) {
            MenuItem mi = (MenuItem)o;
            TFTreeNode node = ConfTree.getLastSelection();
            if (mi.getLabel().equals("Join")) {
                makeBeans(node.getName());
                curConf = node.getName();
                CommMessage msg = new CommMessage(comm.getName(),ConfBean.CONFERENCESERVER,
                    ConfBean.JOINCONF,new MsgJoinConf(node.getName()));
                comm.send(msg);
            }
            else if (mi.getLabel().equals("Leave")) {
                if (node != null) {
                    curConf = null;
                    node.setIcon(cyanball);
                    disposeBeans();
                    CommMessage msg = new CommMessage(comm.getName(),ConfBean.CONFERENCESERVER,
                        ConfBean.CONFUPDATE,new MsgConfUpdate(node.getName(),comm.getName(),false));
                    comm.send(msg);
                }
            }
            else if (mi.getLabel().equals("See schedule")) {
                Schedule_Action(null);
            }
            else if (mi.getLabel().equals("View transcript")) {
                if (beans != null) return;
                CommMessage msg = new CommMessage(comm.getName(),ConfBean.CONFERENCESERVER,
                    ConfBean.GETTAPES,new MsgGetTapes(node.getName()));
                comm.send(msg);
                Status.setText("Getting transcript list...");
            }
            else if (mi.getLabel().equals("Get business card")) {
                CommMessage msg = new CommMessage(comm.getName(),ConfBean.CONFERENCESERVER,
                    ConfBean.GETCARD,new MsgGetCard(node.getName()));
                comm.send(msg);
            }
            else if (mi.getLabel().equals("Acknowledge hand")) {
                CommMessage msg = new CommMessage(node.getName(),ConfBean.CONFERENCESERVER,
                    ConfBean.HANDACTION,new MsgHandAction(MsgHandAction.HAND,false,node.getParent().getName(),true));
                comm.send(msg);
            }
            else if (mi.getLabel().equals("Quiet")) {
                CommMessage msg = new CommMessage(node.getName(),ConfBean.CONFERENCESERVER,
                    ConfBean.HANDACTION,new MsgHandAction(MsgHandAction.QUIET,true,node.getParent().getName(),true));
                comm.send(msg);
            }
            else if (mi.getLabel().equals("Unquiet")) {
                CommMessage msg = new CommMessage(node.getName(),ConfBean.CONFERENCESERVER,
                    ConfBean.HANDACTION,new MsgHandAction(MsgHandAction.QUIET,false,node.getParent().getName(),true));
                comm.send(msg);
            }
        }
    }

    class HandleConfUpdate implements GenericMessageListener {
        HandleConfUpdate() {
        }
        /**
         * CommMessageListener: A message has been received
         */
        public void message(CommMessageEvent cme) {
            CommMessage msg = cme.getCommMessage();
            MsgConfUpdate body = (MsgConfUpdate)msg.getBody();
            String rc;
            if (body == null || body.getName() == null) return;
            rc = body.getName();
            TFTreeNode node = ConfTree.findNode(body.getUser());
            if (node != null)
                node.removeNode();
            if (body.isJoined()) {
                node = ConfTree.findNode(rc);
                if (node != null)
                    node.addChildNode(new ClientNode(body.getUser()));
            }
            if (instructor) {
                CommMessage m = new CommMessage(comm.getName(),ConfBean.CONFERENCESERVER,
                    ConfBean.HANDACTION,new MsgHandAction(MsgHandAction.TEACHER,true,rc,false));
                comm.send(m);
            }
            ConfTree.computeNodes();
            ConfTree.repaint();
        }
    }

    class HandleSchedule implements GenericMessageListener {
        HandleSchedule() {
        }
        /**
         * CommMessageListener: A message has been received
         */
        public void message(CommMessageEvent cme) {
            CommMessage msg = cme.getCommMessage();
            MsgSchedule body = (MsgSchedule)msg.getBody();
            String d = body.getData();
            ConfSchedule sched;
            if (d == null)
                sched = new ConfSchedule(ClientWin.this,false);
            else {
                Profile p = new Profile(d.getBytes());
                p.parse();
                sched = new ConfSchedule(ClientWin.this,false,p);
            }
            sched.show();
        }
    }

    class HandleGetCard implements GenericMessageListener {
        HandleGetCard() {
        }
        /**
         * CommMessageListener: A message has been received
         */
        public void message(CommMessageEvent cme) {
            CommMessage msg = cme.getCommMessage();
            MsgGetCard body = (MsgGetCard)msg.getBody();
            BusinessCardWin win = new BusinessCardWin(ClientWin.this,false,
                body.getName(),body.getTitle(),body.getOrg(),body.getLocation());
            win.setTitle(win.getTitle()+body.getName());
            win.show();
        }
    }

    class HandlePing implements GenericMessageListener {
        HandlePing() {
        }
        /**
         * CommMessageListener: A message has been received
         */
        public void message(CommMessageEvent cme) {
            CommMessage msg = cme.getCommMessage();
            if (PingStatus.getText().equals(""))
                PingStatus.setText("Ping");
            else
                PingStatus.setText("");
        }
    }

	class SymAction implements java.awt.event.ActionListener
	{
		public void actionPerformed(java.awt.event.ActionEvent event)
		{
			Object object = event.getSource();
			if (object == Schedule)
				Schedule_Action(event);
			else if (object == BusinessCard)
				BusinessCard_Action(event);
			else if (object == RaiseHand)
				RaiseHand_Action(event);
			else if (object == menuChangePassword)
				menuChangePassword_Action(event);
		}
	}

	void Schedule_Action(java.awt.event.ActionEvent event)
	{
		// to do: code goes here.
		CommMessage msg = new CommMessage(comm.getName(),ConfBean.CONFERENCESERVER,
		    ConfBean.SCHEDULE,new MsgSchedule());
		comm.send(msg);
	}

    void makeBeans(String name) {
	    beans = new ConfClientBean[clientBeans.length];
        for (int i=0;i<clientBeans.length;i++) {
            try {
                beans[i] = (ConfClientBean)(clientBeans[i].newInstance());
                beans[i].setConfName(name);
                beans[i].setMaster(this);
                beans[i].setComm(comm);
            }
            catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
    
    public Comm getComm() {
        return comm;
    }
    
    public ConfClientBean[] getBeans() {
        return beans;
    }

    public String getProperty(String bean, String n) {
        if (profile == null) return null;
        return profile.getValue(comm.getName()+":"+bean,n);
    }
    
    public void setProperty(String bean, String n, String v) {
        if (profile == null) return;
        synchronized(profile) {
            ProfileSection ps = profile.getSection(comm.getName()+":"+bean);
            if (ps == null) {
                ps = new ProfileSection(comm.getName()+":"+bean);
                profile.addSection(ps);
            }
            ps.setValue(n,v);
        }
    }
    
	public Profile getProfile() {
	    return profile;
	}

    public Rectangle getWinBounds(String b) {
        String sx,sy,sw,sh;
        sx = getProperty(b,"x");
        sy = getProperty(b,"y");
        sw = getProperty(b,"width");
        sh = getProperty(b,"height");
        if (sx==null || sy==null || sw==null || sh==null) return null;
        int x,y,w,h;
        try {
            x = Integer.parseInt(sx);
            y = Integer.parseInt(sy);
            w = Integer.parseInt(sw);
            h = Integer.parseInt(sh);
            if (w==0 || h==0) return null;
            return new Rectangle(x,y,w,h);
        }
        catch (NumberFormatException nfe) {
        }
        return null;
    }
    
    public void setWinBounds(String b, Rectangle r) {
        if (r.width == 0 || r.height == 0) return;
        setProperty(b,"x",""+r.x);
        setProperty(b,"y",""+r.y);
        setProperty(b,"width",""+r.width);
        setProperty(b,"height",""+r.height);
    }
    
    public void writeProperties() {
        try {
            profile.write();
        }
        catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
    
    public String getUserProperty(String var) {
        if (section == null) return null;
        return section.getValue(var);
    }

     void setUserProperty(String var, String v) {
        if (section == null)
            section = new ProfileSection(comm.getName());
        section.setValue(var,v);
        notifyBeansPropChange(var,v);
    }
    
     void notifyBeansPropChange(String var, String v) {
        if (beans == null) return;
        for (int i=0;i<beans.length;i++) {
            beans[i].propertyChange(var,v);
        }
    }
    
    class HandleUserProperties implements GenericMessageListener {
        HandleUserProperties() {
        }
        /**
         * CommMessageListener: A message has been received
         */
        public void message(CommMessageEvent event)
        {
            CommMessage msg = event.getCommMessage();
            MsgUserProperties body = (MsgUserProperties)msg.getBody();
            if (!body.isUpdate()) {
                section = body.getSection();
                String s = section.getValue("Instructor");
                if (s != null && s.toLowerCase().equals("yes"))
                    instructor = true;
                else
                    instructor = false;
            }
            else {
                if (section == null) return;
                else
                    section.setValue(body.getVar().getName(),body.getVar().getValue());
            }
        }
    }
    
    class HandleHandAction implements GenericMessageListener {
        HandleHandAction() {
        }
        /**
         * CommMessageListener: A message has been received
         */
        public void message(CommMessageEvent event)
        {
            CommMessage msg = event.getCommMessage();
            ClientNode cn = (ClientNode)ConfTree.findNode(msg.getHeader().getSource());
            MsgHandAction body = (MsgHandAction)msg.getBody();
            if (cn != null) {
                switch (body.getType()) {
                    case MsgHandAction.HAND:
                        if (body.isAck()) {
                            cn.floor = true;
                            if (lastAck != null) {
                                ClientNode old = (ClientNode)ConfTree.findNode(lastAck);
                                if (old != null) {
                                    old.handup = false;
                                    old.floor = false;
                                    if (old.getName().equals(comm.getName()))
                                        setUserProperty("Floor","no");
                                    ConfTree.repaintNode(old);
                                }
                            }
                            lastAck = cn.getName();
                        }
                        cn.handup = body.isHandUp();
                        if (cn.getName().equals(comm.getName())) {
                            if (cn.handup)
                                RaiseHand.setLabel("Lower Hand");
                            else
                                RaiseHand.setLabel("Raise Hand");
                        }
                        break;
                    case MsgHandAction.QUIET:
                        cn.quiet = body.isQuiet();
                        if (cn.getName().equals(comm.getName())) {
                            if (cn.quiet)
                                setUserProperty("Quiet","yes");
                            else
                                setUserProperty("Quiet","no");
                        }
                        break;
                    case MsgHandAction.TEACHER:
                        cn.teacher = body.isFlag();
                        break;
                }
                ConfTree.repaintNode(cn);
            }
            if (body.isAck()) {
                Status.setText(msg.getHeader().getSource()+" has the floor");
                if (cn.getName().equals(comm.getName()))
                    setUserProperty("Floor","yes");
            }
        }
    }
    
	void BusinessCard_Action(java.awt.event.ActionEvent event)
	{
		// to do: code goes here.
  		ProfileSection ps = profile.getSection(comm.getName()+":Business Card");
  		if (ps == null) {
  		    ps = new ProfileSection(comm.getName()+":Business Card");
  		    profile.addSection(ps);
  		}
  		BusinessCardWin bcw = new BusinessCardWin(this,false,comm.getName(),
  		    ps.getValue("Title"),ps.getValue("Organization"),ps.getValue("Location"));
  		bcw.setEditable(true);
  		bcw.show();
	}

    class ClientNode extends TFTreeNode {
        boolean handup;
        boolean quiet;
        boolean teacher;
        boolean floor;
        /**
         * Construct an empty node
         */
        public ClientNode() {
            super();
        }
        
        /**
         * Construct a node with a diplay string
         * @param n             name of node
         */
        public ClientNode(String n) {
            super(n);
        }
        
        /**
         * Construct a node with name and image
         * @param n             name of node
         * @param i             image for node
         */
        public ClientNode(String n, Image i) {
            super(n,i);
        }
    }
    
    public boolean paintNode(TFTreeView t, TFTreeNode n,Graphics g, Rectangle box, int base) {
        ClientNode cn = (ClientNode)n;
        int h = hand.getHeight(null);
        if (h == -1)
            h = 0;
        else
            h = box.y+(box.height-h)/2;
        if (cn.handup && !cn.teacher && !cn.floor)
            g.drawImage(hand,box.x+2,h,n);
        if (cn.quiet)
            g.drawImage(stopsign,box.x+2+16,h,n);
        if (cn.floor)
            g.drawImage(student,box.x+2,h,n);
        if (cn.teacher)
            g.drawImage(teacher,box.x+2,h,n);
        g.drawString(n.getName(),box.x+36,box.y+base);
        return true;
    }

	void RaiseHand_Action(java.awt.event.ActionEvent event)
	{
		// to do: code goes here.
		if (curConf == null) return;
		CommMessage msg;
		if (RaiseHand.getLabel().startsWith("Raise")) {
    		msg = new CommMessage(comm.getName(),ConfBean.CONFERENCESERVER,
	    	    ConfBean.HANDACTION,new MsgHandAction(MsgHandAction.HAND,true,curConf,false));
	    }
	    else {
    		msg = new CommMessage(comm.getName(),ConfBean.CONFERENCESERVER,
	    	    ConfBean.HANDACTION,new MsgHandAction(MsgHandAction.HAND,false,curConf,false));
	    }
	    comm.send(msg);
	}
	
	public void putClipboard(Object o) {
	    clipboard = o;
	}
	
	public Object getClipboard() {
	    return clipboard;
	}

    class HandleGetTapes implements GenericMessageListener {
        HandleGetTapes() {
        }
        /**
         * CommMessageListener: A message has been received
         */
        public void message(CommMessageEvent cme) {
            CommMessage msg = cme.getCommMessage();
            MsgGetTapes body = (MsgGetTapes)msg.getBody();
            if (body == null || body.getTapes() == null) {
                Status.setText("No transcripts found");
                return;
            }
            Status.setText("Select transcript in VCR");
            String[] a = body.getTapes();
            makeBeans(body.getConf());
            vcr = new VCR(ClientWin.this,false,ClientWin.this,body.getConf());
            for (int i=0;i<a.length;i++)
                vcr.Transcripts.addItem(a[i]);
            vcr.show();
        }
    }
    
    public boolean isInstructor() {
        return instructor;
    }
    
    public boolean isFloor() {
        String s = section.getValue("Floor");
        if (s != null && s.toLowerCase().equals("yes"))
            return true;
        return false;
    }

	void menuChangePassword_Action(java.awt.event.ActionEvent event)
	{
		// to do: code goes here.
		ChangePasswordDialog d = new ChangePasswordDialog(this,false);
		d.show();
	}
	
	public void changePassword(String oldpw, String newpw) {
	}
}