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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.conient; |
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//---IMPORTS--- |
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import javax.swing.*; |
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import javax.swing.border.*; |
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import java.awt.Color; |
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import uk.ac.ukc.iscream.util.*; |
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import java.awt.*; |
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import java.awt.event.*; |
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import java.net.*; |
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import java.io.*; |
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import java.util.Date; |
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import java.text.DateFormat; |
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import java.util.Locale; |
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import java.util.HashMap; |
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import javax.swing.border.*; |
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/** |
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* NASTY AND BASIC, PLEASE DON'T COMPLAIN |
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* This is the main class of the Conient client. |
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* |
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* This sets up the control panel, the data panel |
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* and its own display. |
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* |
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* @author $Author$ |
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* @version $Id$ |
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*/ |
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public class SwingClient extends JFrame { |
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public class Conient extends JFrame { |
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//---FINAL ATTRIBUTES--- |
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* The current CVS revision of this class |
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*/ |
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public final String REVISION = "$Revision$"; |
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private final int width = 600; |
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private final int height = 600; |
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/** |
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* The initial width of the window |
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*/ |
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private final int DEFAULT_WIDTH = 600; |
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// the well known port |
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public static final int PORT = 4510; |
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/** |
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* The initial height of the window |
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*/ |
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private final int DEFAULT_HEIGHT = 600; |
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/** |
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* The default configuration fle |
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* This can be specified on the command line |
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*/ |
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public static final String DEFAULT_CONFIG_FILE = "./etc/default.conf"; |
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/** |
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* The time in seconds to display the splash |
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* screen for |
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*/ |
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public static final int DISPLAY_SPLASH_TIME_SECONDS = 3; |
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//---STATIC METHODS--- |
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/** |
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* The first method that is called. |
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* Sets up the various panels |
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* |
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* @param args the command line arguments |
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*/ |
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public static void main(String[] args) { |
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// get the host from the command line if they gave it |
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String host = null; |
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String configFile = DEFAULT_CONFIG_FILE; |
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if (args.length == 1) { |
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host = args[0]; |
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configFile = args[0]; |
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} |
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// start the configuration system |
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Configuration.initialise(configFile); |
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// the data display panel |
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DataPanel data = new DataPanel(); |
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ControlPanel control = new ControlPanel(data); |
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// the main frame (passed the two panels) |
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SwingClient client = new SwingClient(data, control); |
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SwingClient.addMessage("Client started"); |
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SwingClient.setStatus("Disconnected"); |
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Conient client = new Conient(data, control); |
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conientFrame = (Frame) client; |
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Conient.addMessage("Conient {an i-scream Client} © 2001 University of Kent & Project i-scream"); |
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Conient.addMessage("Conient ready."); |
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} |
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/** |
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* A static accessor, allowing components of the system |
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* to get hold of the root frame of the system. |
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* |
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* see conientFrame attribute for details. |
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* |
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* @return the root Conient frame |
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*/ |
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public static Frame getFrame() { |
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return conientFrame; |
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} |
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//---CONSTRUCTORS--- |
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/** |
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* Creates a new Swing Client Frame |
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*/ |
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private SwingClient(JPanel data, JPanel control) { |
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private Conient(JPanel data, JPanel control) { |
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// set up the Frame |
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super("I-Scream Client"); |
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setSize(width, height); |
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super("Conient {an i-scream Client}"); |
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setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT); |
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// set what happens when the X in the corner is clicked |
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addWindowListener(new WindowAdapter() { |
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public void windowClosing(WindowEvent e) {System.exit(0);} |
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}); |
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// build the frame |
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// add the control pane to the top border |
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getContentPane().add(control, "North"); |
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getContentPane().add(data, "Center"); |
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// create a scrollable pane for the data in the centre |
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JScrollPane scrollPane = new JScrollPane(data); |
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getContentPane().add(scrollPane, "Center"); |
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// setup the status panel |
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JPanel bottom = new JPanel(); |
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bottom.setLayout(new BorderLayout()); |
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_messages.setEditable(false); |
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_messages.setRows(3); |
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JScrollPane messagesPane = new JScrollPane(_messages); |
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messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages ")); |
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bottom.add(messagesPane, "Center"); |
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bottom.add(_status, "South"); |
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JPanel statusPanel = new JPanel(); |
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JPanel linkPanel = new JPanel(); |
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linkPanel.setLayout(new GridLayout(1,2)); |
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linkPanel.add(_controlStatus); |
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linkPanel.add(_dataStatus); |
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statusPanel.setLayout(new GridLayout(2,1)); |
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statusPanel.add(linkPanel); |
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statusPanel.add(_queueStatus); |
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bottom.add(statusPanel, "South"); |
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// add the status panel to the bottom border |
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getContentPane().add(bottom, "South"); |
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// show the window |
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// a nice icon for the window |
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setIconImage((new ImageIcon("./uk/ac/ukc/iscream/conient/server.gif")).getImage()); |
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// and just because we can, a silly splash screen |
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// of the dudes that did this funky gibble |
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Splash splash = new Splash(); |
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splash.show(); |
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// wait |
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try { |
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Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000); |
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} catch (InterruptedException e) { |
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// don't do anything, we don't care |
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} |
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//loose the window |
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splash.dispose(); |
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splash = null; |
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// show the main window |
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show(); |
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} |
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//---ACCESSOR/MUTATOR METHODS--- |
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public static void setStatus(String status) { |
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_status.setText(status); |
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_status.repaint(); |
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/** |
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* Sets the control link status. |
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* |
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* @param status the message |
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*/ |
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public static void setControlStatus(String status) { |
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_controlStatus.setText("Control Link: " + status); |
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_controlStatus.repaint(); |
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} |
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/** |
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* Sets the data link status. |
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* |
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* @param status the message |
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*/ |
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public static void setDataStatus(String status) { |
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_dataStatus.setText("Data Link: " + status); |
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_dataStatus.repaint(); |
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} |
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/** |
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* Updates the queue status. |
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* |
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* @param currentQueue |
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* @param numElements |
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*/ |
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public static void setQueueStatus(int currentQueue, int numElements) { |
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_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements); |
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_queueStatus.repaint(); |
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} |
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/** |
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* Adds a system message to the messages list |
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* |
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* @param message the new message |
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*/ |
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public static void addMessage(String message) { |
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_messages.insert(message + "\n", 0); |
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} |
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//---ATTRIBUTES--- |
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static JLabel _status = new JLabel("Initialising", JLabel.LEFT); |
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//---ATTRIBUTES--- |
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//---STATIC ATTRIBUTES--- |
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/** |
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* Displays information about the data link |
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*/ |
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static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT); |
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{ |
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_status.setBorder(new EtchedBorder(EtchedBorder.LOWERED)); |
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} |
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_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED)); |
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} |
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ImageIcon _serverIcon = new ImageIcon("server.gif"); |
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JLabel _serverCountLabel; |
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int _serverCount = 0; |
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/** |
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* Displays information about the data link |
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*/ |
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static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT); |
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{ |
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_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED)); |
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} |
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/** |
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* Displays information about the inbound data queue. |
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*/ |
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static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT); |
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{ |
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_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED)); |
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} |
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/** |
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* The place where system messages are written. |
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*/ |
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static JTextArea _messages = new JTextArea(); |
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{ |
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_messages.setLineWrap(true); |
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} |
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//---STATIC ATTRIBUTES--- |
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/** |
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* Holds a reference to the root frame for Conient |
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* This is only used by dialogs (specifically the configurationn |
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* dialog) so that it can be modal, please use the accessor. |
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*/ |
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private static Frame conientFrame; |
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//---INNER CLASSES---- |
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/** |
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* An inner class to display a splash screen |
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*/ |
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private class Splash extends JWindow { |
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/** |
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* Constructs a new splash screen |
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*/ |
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public Splash() { |
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setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); |
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JPanel splash = new JPanel(); |
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splash.setBackground(Color.black); |
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JLabel image = new JLabel((new ImageIcon("./uk/ac/ukc/iscream/conient/i-scream-splash.gif"))); |
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splash.add(image); |
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setContentPane(splash); |
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Dimension screen = getToolkit().getScreenSize(); |
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pack(); |
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setLocation((screen.width - getSize().width) / 2, |
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(screen.height - getSize().height) / 2); |
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} |
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} |
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} |
