cms/conient/Conient.java

//---PACKAGE DECLARATION---
package uk.org.iscream.cms.conient;

//---IMPORTS---
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;

/**
 * This is the main class of the Conient client.
 *
 * This sets up the control panel, the data panel
 * and its own display.
 *
 * @author  $Author: tdb1 $
 * @version $Id: Conient.java,v 1.31 2001/05/29 17:41:32 tdb1 Exp $
 */
public class Conient extends JFrame {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public final String REVISION = "$Revision: 1.31 $";

    /**
     * The initial width of the window
     */        
    private final int DEFAULT_WIDTH = 700;
    
    /**
     * The initial height of the window
     */
    private final int DEFAULT_HEIGHT = 600;
    
    /**
     * The default configuration fle
     * This can be specified on the command line
     */
    public static final String DEFAULT_CONFIG_FILE = "./etc/default.conf";
    
    /**
     * The time in seconds to display the splash
     * screen for
     */
    public static final int DISPLAY_SPLASH_TIME_SECONDS = 3;
    
//---STATIC METHODS---

    /**
     * The first method that is called.
     * Sets up the various panels
     *
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // get the host from the command line if they gave it
        String host = null;
        String configFile = DEFAULT_CONFIG_FILE;
        if (args.length == 1) {
            configFile = args[0];
        }

        // start the configuration system
        Configuration.initialise(configFile);
 
        // the data display panel
        DataPanel data = new DataPanel();
        
        // the control panel
        ControlPanel control = new ControlPanel(data);
        
        // the main frame (passed the two panels)
        Conient client = new Conient(data, control);
        conientFrame = (Frame) client;
        Conient.addMessage("Conient {an i-scream Client} (c) 2001 The i-scream Project (http://www.i-scream.org.uk)");

        Conient.addMessage("Conient ready.");
        
    }
    
    /**
     * A static accessor, allowing components of the system
     * to get hold of the root frame of the system.
     *
     * see conientFrame attribute for details.
     *
     * @return the root Conient frame
     */
    public static Frame getFrame() {
        return conientFrame;
    }
    
//---CONSTRUCTORS---

    /**
     * Creates a new Swing Client Frame
     */
    private Conient(JSplitPane data, ControlPanel control) {
        // set up the Frame
        super("Conient {an i-scream Client}");
        setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
        setJMenuBar(control.getMenuBar());
        
        // set what happens when the X in the corner is clicked        
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {System.exit(0);}
        });

        // add the control pane to the top border
        getContentPane().add(control, "North");
        // add the data pane to the centre        
        getContentPane().add(data);

        // setup the status panel        
        JPanel bottom = new JPanel();
        bottom.setLayout(new BorderLayout());
        _messages.setEditable(false);
        _messages.setRows(3);
        JScrollPane messagesPane = new JScrollPane(_messages);
        messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
        bottom.add(messagesPane, "Center");
        JPanel statusPanel = new JPanel();
        JPanel linkPanel = new JPanel();
        linkPanel.setLayout(new GridLayout(1,2));
        linkPanel.add(_controlStatus);
        linkPanel.add(_dataStatus);
        statusPanel.setLayout(new GridLayout(2,1));
        statusPanel.add(linkPanel);
        statusPanel.add(_queueStatus);
        bottom.add(statusPanel, "South");

        // add the status panel to the bottom border
        getContentPane().add(bottom, "South");
        
        // a nice icon for the window
        setIconImage((new ImageIcon("./resources/server.gif")).getImage());

        // and just because we can, a silly splash screen
        // of the dudes that did this funky jibble
        Splash splash = new Splash();
        splash.show();
        // wait
        try {
            Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000);
        } catch (InterruptedException e) {
            // don't do anything, we don't care
        }
        //loose the window
        splash.dispose();
        splash = null;        
        // show the main window
        show();
    }

//---PUBLIC METHODS---

//---PRIVATE METHODS---

//---ACCESSOR/MUTATOR METHODS---

    /**
     * Sets the control link status.
     *
     * @param status the message
     */
    public static void setControlStatus(String status) {
        _controlStatus.setText("Control Link: " + status);
        _controlStatus.repaint();
    }
    
    /**
     * Sets the data link status.
     *
     * @param status the message
     */
    public static void setDataStatus(String status) {
        _dataStatus.setText("Data Link: " + status);
        _dataStatus.repaint();
    }

    /**
     * Updates the queue status.
     *
     * @param currentQueue
     * @param numElements
     */
    public static void setQueueStatus(int currentQueue, int numElements) {
        _queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
        _queueStatus.repaint();
    }

    /**
     * Adds a system message to the messages list
     *
     * @param message the new message
     */
    public static void addMessage(String message) {
        _messages.insert(message + "\n", 0);
    }

//---ATTRIBUTES---
    
//---STATIC ATTRIBUTES---
    
    /**
     * Displays information about the data link
     */
    static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
    {
        _controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
    }
    
    /**
     * Displays information about the data link
     */
    static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
    {
        _dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
    }
    
    /**
     * Displays information about the inbound data queue.
     */
    static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
    {
        _queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
    }
    
    /**
     * The place where system messages are written.
     */
    static JTextArea _messages = new JTextArea();
    {
        _messages.setLineWrap(true);
    }
    
    /**
     * Holds a reference to the root frame for Conient
     * This is only used by dialogs (specifically the configurationn
     * dialog) so that it can be modal, please use the accessor.
     */
    private static Frame conientFrame;
    
//---INNER CLASSES----

    /**
     * An inner class to display a splash screen
     */
    private class Splash extends JWindow {
        
        /**
         * Constructs a new splash screen
         */
        public Splash() {
            setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
            JPanel splash = new JPanel();
            splash.setBackground(Color.black);
            JLabel image = new JLabel((new ImageIcon("./resources/i-scream-splash.gif")));
            splash.add(image);
            setContentPane(splash);
            Dimension screen = getToolkit().getScreenSize();
            pack();
            setLocation((screen.width - getSize().width) / 2,
                        (screen.height - getSize().height) / 2);
            
            
        }
    }
}
Revision:	1.32
Committed:	Thu Feb 14 16:50:10 2002 UTC (22 years, 3 months ago) by ajm
Branch:	MAIN
Changes since 1.31:	+4 -4 lines
Log Message:	Very serious fault in the code. Glad I spotted it :-)
#	Content
1	//---PACKAGE DECLARATION---
2	package uk.org.iscream.cms.conient;
3
4	//---IMPORTS---
5	import javax.swing.*;
6	import javax.swing.border.*;
7	import java.awt.*;
8	import java.awt.event.*;
9
10	/**
11	* This is the main class of the Conient client.
12	*
13	* This sets up the control panel, the data panel
14	* and its own display.
15	*
16	* @author $Author: tdb1 $
17	* @version $Id: Conient.java,v 1.31 2001/05/29 17:41:32 tdb1 Exp $
18	*/
19	public class Conient extends JFrame {
20
21	//---FINAL ATTRIBUTES---
22
23	/**
24	* The current CVS revision of this class
25	*/
26	public final String REVISION = "$Revision: 1.31 $";
27
28	/**
29	* The initial width of the window
30	*/
31	private final int DEFAULT_WIDTH = 700;
32
33	/**
34	* The initial height of the window
35	*/
36	private final int DEFAULT_HEIGHT = 600;
37
38	/**
39	* The default configuration fle
40	* This can be specified on the command line
41	*/
42	public static final String DEFAULT_CONFIG_FILE = "./etc/default.conf";
43
44	/**
45	* The time in seconds to display the splash
46	* screen for
47	*/
48	public static final int DISPLAY_SPLASH_TIME_SECONDS = 3;
49
50	//---STATIC METHODS---
51
52	/**
53	* The first method that is called.
54	* Sets up the various panels
55	*
56	* @param args the command line arguments
57	*/
58	public static void main(String[] args) {
59	// get the host from the command line if they gave it
60	String host = null;
61	String configFile = DEFAULT_CONFIG_FILE;
62	if (args.length == 1) {
63	configFile = args[0];
64	}
65
66	// start the configuration system
67	Configuration.initialise(configFile);
68
69	// the data display panel
70	DataPanel data = new DataPanel();
71
72	// the control panel
73	ControlPanel control = new ControlPanel(data);
74
75	// the main frame (passed the two panels)
76	Conient client = new Conient(data, control);
77	conientFrame = (Frame) client;
78	Conient.addMessage("Conient {an i-scream Client} (c) 2001 The i-scream Project (http://www.i-scream.org.uk)");
79
80	Conient.addMessage("Conient ready.");
81
82	}
83
84	/**
85	* A static accessor, allowing components of the system
86	* to get hold of the root frame of the system.
87	*
88	* see conientFrame attribute for details.
89	*
90	* @return the root Conient frame
91	*/
92	public static Frame getFrame() {
93	return conientFrame;
94	}
95
96	//---CONSTRUCTORS---
97
98	/**
99	* Creates a new Swing Client Frame
100	*/
101	private Conient(JSplitPane data, ControlPanel control) {
102	// set up the Frame
103	super("Conient {an i-scream Client}");
104	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
105	setJMenuBar(control.getMenuBar());
106
107	// set what happens when the X in the corner is clicked
108	addWindowListener(new WindowAdapter() {
109	public void windowClosing(WindowEvent e) {System.exit(0);}
110	});
111
112	// add the control pane to the top border
113	getContentPane().add(control, "North");
114	// add the data pane to the centre
115	getContentPane().add(data);
116
117	// setup the status panel
118	JPanel bottom = new JPanel();
119	bottom.setLayout(new BorderLayout());
120	_messages.setEditable(false);
121	_messages.setRows(3);
122	JScrollPane messagesPane = new JScrollPane(_messages);
123	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
124	bottom.add(messagesPane, "Center");
125	JPanel statusPanel = new JPanel();
126	JPanel linkPanel = new JPanel();
127	linkPanel.setLayout(new GridLayout(1,2));
128	linkPanel.add(_controlStatus);
129	linkPanel.add(_dataStatus);
130	statusPanel.setLayout(new GridLayout(2,1));
131	statusPanel.add(linkPanel);
132	statusPanel.add(_queueStatus);
133	bottom.add(statusPanel, "South");
134
135	// add the status panel to the bottom border
136	getContentPane().add(bottom, "South");
137
138	// a nice icon for the window
139	setIconImage((new ImageIcon("./resources/server.gif")).getImage());
140
141	// and just because we can, a silly splash screen
142	// of the dudes that did this funky jibble
143	Splash splash = new Splash();
144	splash.show();
145	// wait
146	try {
147	Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000);
148	} catch (InterruptedException e) {
149	// don't do anything, we don't care
150	}
151	//loose the window
152	splash.dispose();
153	splash = null;
154	// show the main window
155	show();
156	}
157
158	//---PUBLIC METHODS---
159
160	//---PRIVATE METHODS---
161
162	//---ACCESSOR/MUTATOR METHODS---
163
164	/**
165	* Sets the control link status.
166	*
167	* @param status the message
168	*/
169	public static void setControlStatus(String status) {
170	_controlStatus.setText("Control Link: " + status);
171	_controlStatus.repaint();
172	}
173
174	/**
175	* Sets the data link status.
176	*
177	* @param status the message
178	*/
179	public static void setDataStatus(String status) {
180	_dataStatus.setText("Data Link: " + status);
181	_dataStatus.repaint();
182	}
183
184	/**
185	* Updates the queue status.
186	*
187	* @param currentQueue
188	* @param numElements
189	*/
190	public static void setQueueStatus(int currentQueue, int numElements) {
191	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
192	_queueStatus.repaint();
193	}
194
195	/**
196	* Adds a system message to the messages list
197	*
198	* @param message the new message
199	*/
200	public static void addMessage(String message) {
201	_messages.insert(message + "\n", 0);
202	}
203
204	//---ATTRIBUTES---
205
206	//---STATIC ATTRIBUTES---
207
208	/**
209	* Displays information about the data link
210	*/
211	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
212	{
213	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
214	}
215
216	/**
217	* Displays information about the data link
218	*/
219	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
220	{
221	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
222	}
223
224	/**
225	* Displays information about the inbound data queue.
226	*/
227	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
228	{
229	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
230	}
231
232	/**
233	* The place where system messages are written.
234	*/
235	static JTextArea _messages = new JTextArea();
236	{
237	_messages.setLineWrap(true);
238	}
239
240	/**
241	* Holds a reference to the root frame for Conient
242	* This is only used by dialogs (specifically the configurationn
243	* dialog) so that it can be modal, please use the accessor.
244	*/
245	private static Frame conientFrame;
246
247	//---INNER CLASSES----
248
249	/**
250	* An inner class to display a splash screen
251	*/
252	private class Splash extends JWindow {
253
254	/**
255	* Constructs a new splash screen
256	*/
257	public Splash() {
258	setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
259	JPanel splash = new JPanel();
260	splash.setBackground(Color.black);
261	JLabel image = new JLabel((new ImageIcon("./resources/i-scream-splash.gif")));
262	splash.add(image);
263	setContentPane(splash);
264	Dimension screen = getToolkit().getScreenSize();
265	pack();
266	setLocation((screen.width - getSize().width) / 2,
267	(screen.height - getSize().height) / 2);
268
269
270	}
271	}
272	}