clientui.java

一个实现网络会议的软件.包含三个包.其中一个包需JMF的支持.

		howToUseMenuItem = new JMenuItem("How To Use");
        	howToUseMenuItem.addActionListener(new ActionListener() {
         		public void actionPerformed(ActionEvent evt) {
              		HowToUseAction();
         		}
        	});
		helpMenu.add(aboutMenuItem);
		helpMenu.add(howToUseMenuItem);
        	menuBar.add(helpMenu);

		setJMenuBar(menuBar);

		addWindowListener(new WindowAdapter() {
            		public void windowClosing(WindowEvent evt) {
            			client.logoutUser(myName);
                		System.exit(0);
            		}
        	}
        );

//****************** TEXT CHAT DISPLAY ***********
		chatDisplay = new ChatDisplay(myName, myCategory);
      		chatDisplay.addPropertyChangeListener(this);
		chatFrame = new JFrame("Text Chat");
	   	chatFrame.addWindowListener(new WindowAdapter() {
    	    		public void windowClosing(WindowEvent e) {
    	    			chatFrame.setVisible(false);
    	    		}
    		});
    		chatMenuBar = new JMenuBar();
    		chatFrame.setJMenuBar(chatMenuBar);
    		chatMenu = new JMenu("Chat");
    		chatMenuBar.add(chatMenu);
    		saveMenuItem = new JMenuItem("Save");
    		saveMenuItem.addActionListener(this);
    		chatMenu.add(saveMenuItem);
    		clearPublicMenuItem = new JMenuItem("Clear Public");
    		clearPublicMenuItem.addActionListener(this);
    		chatMenu.add(clearPublicMenuItem);
    		clearPrivateMenuItem = new JMenuItem("Clear Private");
    		clearPrivateMenuItem.addActionListener(this);
    		chatMenu.add(clearPrivateMenuItem);
    		refreshMenuItem = new JMenuItem("Refresh");
		refreshMenuItem.addActionListener(this);
    		chatMenu.add(refreshMenuItem);
    		chatFrame.getContentPane().add(chatDisplay, BorderLayout.CENTER);
    		chatFrame.pack();
        	chatFrame.setSize(new Dimension(400, 300));
		//*******************************end of TEXT CHAT DISPLAY***************
		
		//***************************User List Display *************************************
		userListDisplay = new UserListDisplay(client.getUsersConfig(), myName);
    		userListDisplay.setSize(new Dimension(100,200));
    		//System.out.println("call in ClientUI init");
			
		//*************************** Tool bar *************************************
        	mytoolBar = new myToolBar(myCategory);
        	
        	feedbackButton = mytoolBar.feedbackButton;
        	feedbackButton.addActionListener(this);

      		stepInButton = mytoolBar.stepInButton;
      		stepInButton.addActionListener(this);
		
		logoutButton = mytoolBar.logoutButton;
		logoutButton.addActionListener(this);

        	textChatButton = mytoolBar.textChatButton;
        	textChatButton.addActionListener(this);

        	voiceChatButton = mytoolBar.voiceChatButton;
        	voiceChatButton.addActionListener(this);
		
		//LINLIN
		speakerButton = new JButton();
		speakerButton.setBorder(new javax.swing.border.CompoundBorder());
		
		String speaker = client.getMicLocker();
		setSpeaker(speaker);
		
		mytoolBar.add(speakerButton);
		//LINLIN
		
		if ((myCategory == Constants.PRESENTER) || (userListDisplay.getMicAvailable())) {
    			voiceChatButton.setIcon(new javax.swing.ImageIcon(
				Toolkit.getDefaultToolkit().getImage(getClass().getResource("icon/voice.gif"))));
    		}
    		else {
	        	voiceChatButton.setIcon(new javax.swing.ImageIcon(
				Toolkit.getDefaultToolkit().getImage(getClass().getResource("icon/voice_gray.gif"))));
	     }
//*****************************************************************	        	
        	switch (myCategory) {
		//student
        	case Constants.USER:
		    	this.handButton = mytoolBar.handButton;
		    	this.handButton.addActionListener(this);

          	this.yesButton = mytoolBar.yesButton;
		    	this.yesButton.addActionListener(this);
			this.noButton = mytoolBar.noButton;
		    	this.noButton.addActionListener(this);
		      
   	     	break;

		//presenter
        	case Constants.PRESENTER:
			this.lowHandButton = mytoolBar.lowHandButton;
		     	this.lowHandButton.addActionListener(this);        		  
	         	this.clearYesNoButton = mytoolBar.clearYesNoButton;
		     	this.clearYesNoButton.addActionListener(this);		        
      	   		this.giveMicToNextButton = mytoolBar.giveMicToNextButton;
            		this.giveMicToNextButton.addActionListener(this);                        
	         	this.sessionInButton = mytoolBar.inSessionButton;
	         	this.sessionInButton.addActionListener(this);
      	   	break;
	    }

		splitPaneContent = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
      		splitPaneContent.setRightComponent(contentDisplay);
      		leftSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
      		leftSplitPane.setBottomComponent(contentManager);
    		leftSplitPane.setTopComponent(userListDisplay);
    		splitPaneContent.setLeftComponent(leftSplitPane);

	   	contentManager.enableContentManager(true, myCategory);

	    	sessionStatusPanel = new JPanel();
		sessionStatusPanel.setLayout(new BorderLayout());
		inOutSession = new JLabel("Out of Session");
		sessionStatusPanel.add(inOutSession, BorderLayout.WEST);

      		getContentPane().add(splitPaneContent, BorderLayout.CENTER);
      		getContentPane().add(mytoolBar, BorderLayout.NORTH);
		getContentPane().add(sessionStatusPanel, BorderLayout.SOUTH);
	}

//--------------------Main method of ClientUI-----------------------------
    /**
      * main method for client 
      *
      * @param host name and port number
      */
	public static void main (String args[]) 
	{
		new LoginDialog(null).show();
		ClientUI f=new ClientUI("127.0.0.1","1099");
		f.initComponents();
		f.show();
    }
//---------------------------------------------------------
/** 
 * setCurrentUsers sets the list of current users in the system
 */
    private void setCurrentUsers() {
    	Hashtable userList = client.getUsersConfig();
    	if (userList == null) return;

    	Enumeration e = userList.elements();
    	while (e.hasMoreElements()) {
    			UserConfig uConfig = (UserConfig) e.nextElement();
    			if (!uConfig.getUserName().equals(myName)) {
    				chatDisplay.addUser(uConfig.getUserName(), uConfig.getUserCategory());
    			}
    	}
    }
//-----------------------------------------------------
	/** 
	 * setContentDisplay sets the list of documents 
	 */
    private void setContentDisplay() {
	Hashtable contentManagerList = client.getURLTable();

        Enumeration e = contentManagerList.elements();

	while (e.hasMoreElements()) {
        	String strURL = (String) e.nextElement();
             	contentManager.addURL(strURL);
	}
    }
//-------------------------------------------------------
	/**
	 *  setDisplay sets the list of users and content
	 */
    private void setDisplay() {
    	setCurrentUsers();
    	setContentDisplay();
    }

//-----------------------------------actionPerformed-----------------------------------
	/**
	 *  actionPerformed handle all cases of actions
	 */
    public void actionPerformed(ActionEvent e) 
    {  
	//*************************TEXT CHAT DISPLAY**************************
		if (e.getSource() == textChatButton) 
		{
			TextChatAction();
		}
		else if (e.getSource() == saveMenuItem) 
		{
			this.saveChat();
		} 
		else if (e.getSource() == clearPublicMenuItem) 
		{
			chatDisplay.clearPublicChat();
		} 
		else if (e.getSource() == refreshMenuItem) 
		{
			chatDisplay.refresh(client.getChatMessages());
		} 
		else if (e.getSource() == clearPrivateMenuItem) 
		{
			chatDisplay.clearPrivateChat();
		} 
	//**************************** end of TEXT CHAT DISPLAY*********//YTIAN
		
		else if (e.getSource() == yesButton) 
		{
			YesAction();
     		} 
		else if (e.getSource() == noButton) 
		{
  			NoAction();
  		} 
		else if (e.getSource() == handButton) 
		{
			RaiseHandAction();
		}
		else if (e.getSource() == lowHandButton) 
		{
    			LowerAllHandAction();
		}
		
		else if (e.getSource() == feedbackButton) 
		{
			SendFeedbackAction();
  		} 
  		
		else if (e.getSource() == sessionInButton) 
		{
			SessionInAction();
    		} 
		
		else if (e.getSource() == stepInButton) 
		{
			StepOutAction();
    		}
    	
		else if (e.getSource() == voiceChatButton) 
		{
			if(!stepInButton.isSelected())
			{//when step in
				boolean ifStart = false;
				if (voiceChatButton.isSelected()) {					
					if (userListDisplay.getMicAvailable()) {
						ifStart = true;						
					}
					if (ifStart) {
						voiceChatButton.setBorder(new javax.swing.border.CompoundBorder(null, new javax.swing.border.BevelBorder(javax.swing.border.BevelBorder.LOWERED))); 
						client.startSpeaking();
						userListDisplay.displayUserPanel(client.getUsersConfig());
						String speaker = client.getMicLocker();
						setSpeaker(speaker);
    				}
					else {
						voiceChatButton.setIcon(new javax.swing.ImageIcon(
							Toolkit.getDefaultToolkit().getImage(getClass().getResource("icon/voice_gray.gif"))));
						voiceChatButton.setSelected(false);
						voiceChatButton.setBorder(new javax.swing.border.CompoundBorder());
					}
				}
				else {
					boolean ifStop = false;
					if (userListDisplay.getMicAvailable()) {
						ifStop = true;	
					}
					if (ifStop) {
						voiceChatButton.setBorder(new javax.swing.border.CompoundBorder());
						client.stopSpeaking();
						userListDisplay.displayUserPanel(client.getUsersConfig());
						if (!userListDisplay.getMicAvailable()) {
							voiceChatButton.setIcon(new javax.swing.ImageIcon(
								Toolkit.getDefaultToolkit().getImage(getClass().getResource("icon/voice_gray.gif"))));
						}
						
						String speaker = client.getMicLocker();
						setSpeaker(speaker);
					}
					else {
							voiceChatButton.setSelected(true);
							voiceChatButton.setBorder(new javax.swing.border.CompoundBorder(null, new javax.swing.border.BevelBorder(javax.swing.border.BevelBorder.LOWERED)));
							voiceChatButton.setIcon(new javax.swing.ImageIcon(
								Toolkit.getDefaultToolkit().getImage(getClass().getResource("icon/voice_gray.gif"))));
					}
				}
			}
		} 
		else if (e.getSource() == giveMicToNextButton) //this is for presenter**********
		{
			GiveMicToNextAction();
		}
		else if (e.getSource() == clearYesNoButton) //this is for presenter***********
		{
			ClearYesNoAction();
		}
		else if (e.getSource() == logoutButton)
		{
			LogoutAction();
		}
}
//--------------------------------------All action functions -----------------
	/**
	 *  YesAction takes action when user click on Yes button
	 */
	private void YesAction()
	{
		if(!stepInButton.isSelected())
		{
			
			if (noButton.isSelected() == true)
			{
            			noButton.setBorder(new javax.swing.border.CompoundBorder());
            			noButton.setSelected(false);
				noButton.setToolTipText("Say No");
				sayNoMenuItem.setText("Say No");
        		}
        		if (yesButton.isSelected()) 
			{           			
            			yesButton.setBorder(new javax.swing.border.CompoundBorder(null, new javax.swing.border.BevelBorder(javax.swing.border.BevelBorder.LOWERED))); 
				yesButton.setToolTipText("Delete Say Yes");
				sayYesMenuItem.setText("Delete Say Yes");				
      	  		}
        		else 
			{
            			yesButton.setBorder(new javax.swing.border.CompoundBorder());
				yesButton.setToolTipText("Say Yes");
				sayYesMenuItem.setText("Say Yes");
			
	        	}
			client.sayYes();
			//refresh self's userList
			Hashtable userTable = client.getUsersConfig();
    			handleSayYes(userTable);
    			//refresh self's userList
		}
		else 
		{
			if (yesButton.isSelected())		
			{
				yesButton.setSelected(false);
				yesButton.setBorder(new javax.swing.border.CompoundBorder());
			}
			else 
			{
				yesButton.setSelected(true);
				yesButton.setBorder(new javax.swing.border.CompoundBorder(null, new javax.swing.border.BevelBorder(javax.swing.border.BevelBorder.LOWERED))); 
			}
		}
   	} 
//----------------------------------------------------------------------------------------
	/**
	 *  NoAction takes action when user click on No button
	 */
	private void NoAction()
	{
		if(!stepInButton.isSelected())
		{
			if (yesButton.isSelected() == true)
			{
                		yesButton.setSelected(false);
	            		yesButton.setBorder(new javax.swing.border.CompoundBorder());
				yesButton.setToolTipText("Say Yes");
				sayYesMenuItem.setText("Say Yes");
      	  		}
        		if (noButton.isSelected()) 
			{
            			noButton.setBorder(new javax.swing.border.CompoundBorder(null, new javax.swing.border.BevelBorder(javax.swing.border.BevelBorder.LOWERED))); 
				noButton.setToolTipText("Delete Say No");
				sayNoMenuItem.setText("Delete Say No");