cms/conient/Conient.java

/* 
 * i-scream central monitoring system
 * Copyright (C) 2000-2002 i-scream
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

//---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: ajm $
 * @version $Id: Conient.java,v 1.32 2002/02/14 16:50:10 ajm Exp $
 */
public class Conient extends JFrame {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public final String REVISION = "$Revision: 1.32 $";

    /**
     * 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:	1.33
Committed:	Sat May 18 18:15:56 2002 UTC (22 years ago) by tdb
Branch:	MAIN
Changes since 1.32:	+22 -3 lines
Log Message:	i-scream is now licensed under the GPL. I've added the GPL headers to every source file, and put a full copy of the license in the appropriate places. I think I've covered everything. This is going to be a mad commit ;)
#	Content
1	/*
2	* i-scream central monitoring system
3	* Copyright (C) 2000-2002 i-scream
4	*
5	* This program is free software; you can redistribute it and/or
6	* modify it under the terms of the GNU General Public License
7	* as published by the Free Software Foundation; either version 2
8	* of the License, or (at your option) any later version.
9	*
10	* This program is distributed in the hope that it will be useful,
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	* GNU General Public License for more details.
14	*
15	* You should have received a copy of the GNU General Public License
16	* along with this program; if not, write to the Free Software
17	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18	*/
19
20	//---PACKAGE DECLARATION---
21	package uk.org.iscream.cms.conient;
22
23	//---IMPORTS---
24	import javax.swing.*;
25	import javax.swing.border.*;
26	import java.awt.*;
27	import java.awt.event.*;
28
29	/**
30	* This is the main class of the Conient client.
31	*
32	* This sets up the control panel, the data panel
33	* and its own display.
34	*
35	* @author $Author: ajm $
36	* @version $Id: Conient.java,v 1.32 2002/02/14 16:50:10 ajm Exp $
37	*/
38	public class Conient extends JFrame {
39
40	//---FINAL ATTRIBUTES---
41
42	/**
43	* The current CVS revision of this class
44	*/
45	public final String REVISION = "$Revision: 1.32 $";
46
47	/**
48	* The initial width of the window
49	*/
50	private final int DEFAULT_WIDTH = 700;
51
52	/**
53	* The initial height of the window
54	*/
55	private final int DEFAULT_HEIGHT = 600;
56
57	/**
58	* The default configuration fle
59	* This can be specified on the command line
60	*/
61	public static final String DEFAULT_CONFIG_FILE = "./etc/default.conf";
62
63	/**
64	* The time in seconds to display the splash
65	* screen for
66	*/
67	public static final int DISPLAY_SPLASH_TIME_SECONDS = 3;
68
69	//---STATIC METHODS---
70
71	/**
72	* The first method that is called.
73	* Sets up the various panels
74	*
75	* @param args the command line arguments
76	*/
77	public static void main(String[] args) {
78	// get the host from the command line if they gave it
79	String host = null;
80	String configFile = DEFAULT_CONFIG_FILE;
81	if (args.length == 1) {
82	configFile = args[0];
83	}
84
85	// start the configuration system
86	Configuration.initialise(configFile);
87
88	// the data display panel
89	DataPanel data = new DataPanel();
90
91	// the control panel
92	ControlPanel control = new ControlPanel(data);
93
94	// the main frame (passed the two panels)
95	Conient client = new Conient(data, control);
96	conientFrame = (Frame) client;
97	Conient.addMessage("Conient {an i-scream Client} (c) 2001 The i-scream Project (http://www.i-scream.org.uk)");
98
99	Conient.addMessage("Conient ready.");
100
101	}
102
103	/**
104	* A static accessor, allowing components of the system
105	* to get hold of the root frame of the system.
106	*
107	* see conientFrame attribute for details.
108	*
109	* @return the root Conient frame
110	*/
111	public static Frame getFrame() {
112	return conientFrame;
113	}
114
115	//---CONSTRUCTORS---
116
117	/**
118	* Creates a new Swing Client Frame
119	*/
120	private Conient(JSplitPane data, ControlPanel control) {
121	// set up the Frame
122	super("Conient {an i-scream Client}");
123	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
124	setJMenuBar(control.getMenuBar());
125
126	// set what happens when the X in the corner is clicked
127	addWindowListener(new WindowAdapter() {
128	public void windowClosing(WindowEvent e) {System.exit(0);}
129	});
130
131	// add the control pane to the top border
132	getContentPane().add(control, "North");
133	// add the data pane to the centre
134	getContentPane().add(data);
135
136	// setup the status panel
137	JPanel bottom = new JPanel();
138	bottom.setLayout(new BorderLayout());
139	_messages.setEditable(false);
140	_messages.setRows(3);
141	JScrollPane messagesPane = new JScrollPane(_messages);
142	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
143	bottom.add(messagesPane, "Center");
144	JPanel statusPanel = new JPanel();
145	JPanel linkPanel = new JPanel();
146	linkPanel.setLayout(new GridLayout(1,2));
147	linkPanel.add(_controlStatus);
148	linkPanel.add(_dataStatus);
149	statusPanel.setLayout(new GridLayout(2,1));
150	statusPanel.add(linkPanel);
151	statusPanel.add(_queueStatus);
152	bottom.add(statusPanel, "South");
153
154	// add the status panel to the bottom border
155	getContentPane().add(bottom, "South");
156
157	// a nice icon for the window
158	setIconImage((new ImageIcon("./resources/server.gif")).getImage());
159
160	// and just because we can, a silly splash screen
161	// of the dudes that did this funky jibble
162	Splash splash = new Splash();
163	splash.show();
164	// wait
165	try {
166	Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000);
167	} catch (InterruptedException e) {
168	// don't do anything, we don't care
169	}
170	//loose the window
171	splash.dispose();
172	splash = null;
173	// show the main window
174	show();
175	}
176
177	//---PUBLIC METHODS---
178
179	//---PRIVATE METHODS---
180
181	//---ACCESSOR/MUTATOR METHODS---
182
183	/**
184	* Sets the control link status.
185	*
186	* @param status the message
187	*/
188	public static void setControlStatus(String status) {
189	_controlStatus.setText("Control Link: " + status);
190	_controlStatus.repaint();
191	}
192
193	/**
194	* Sets the data link status.
195	*
196	* @param status the message
197	*/
198	public static void setDataStatus(String status) {
199	_dataStatus.setText("Data Link: " + status);
200	_dataStatus.repaint();
201	}
202
203	/**
204	* Updates the queue status.
205	*
206	* @param currentQueue
207	* @param numElements
208	*/
209	public static void setQueueStatus(int currentQueue, int numElements) {
210	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
211	_queueStatus.repaint();
212	}
213
214	/**
215	* Adds a system message to the messages list
216	*
217	* @param message the new message
218	*/
219	public static void addMessage(String message) {
220	_messages.insert(message + "\n", 0);
221	}
222
223	//---ATTRIBUTES---
224
225	//---STATIC ATTRIBUTES---
226
227	/**
228	* Displays information about the data link
229	*/
230	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
231	{
232	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
233	}
234
235	/**
236	* Displays information about the data link
237	*/
238	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
239	{
240	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
241	}
242
243	/**
244	* Displays information about the inbound data queue.
245	*/
246	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
247	{
248	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
249	}
250
251	/**
252	* The place where system messages are written.
253	*/
254	static JTextArea _messages = new JTextArea();
255	{
256	_messages.setLineWrap(true);
257	}
258
259	/**
260	* Holds a reference to the root frame for Conient
261	* This is only used by dialogs (specifically the configurationn
262	* dialog) so that it can be modal, please use the accessor.
263	*/
264	private static Frame conientFrame;
265
266	//---INNER CLASSES----
267
268	/**
269	* An inner class to display a splash screen
270	*/
271	private class Splash extends JWindow {
272
273	/**
274	* Constructs a new splash screen
275	*/
276	public Splash() {
277	setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
278	JPanel splash = new JPanel();
279	splash.setBackground(Color.black);
280	JLabel image = new JLabel((new ImageIcon("./resources/i-scream-splash.gif")));
281	splash.add(image);
282	setContentPane(splash);
283	Dimension screen = getToolkit().getScreenSize();
284	pack();
285	setLocation((screen.width - getSize().width) / 2,
286	(screen.height - getSize().height) / 2);
287
288
289	}
290	}
291	}