Swing Applet question

I would like to know why the look and feel for Swing applet (especially, Text information embedded in JPanels) are different on Windows 2000 and XP embedded versions. The text information is left aligned in XP embedded when the same is centrally aligned in the 2000 version. In XP embedded, the applet is expanding beyond the screen size bounds. Is there anything I can do so that look and feel are the same in both these OS's.
Regards, Scr

nitroniouz wrote:
(which don't work when you click on them)Are they freeze? The buttons don't react to the clicks or they seam to work but don't execute the expected function?
I think that your actSignup actionPerfomed methos is not working well or it's taking too long to execute and you're blocking the EDT.
Try to create a separate thread to do the database task, a SwingWorker may help you. Take a look at the [Cocurrency in Swing Tutorial|http://java.sun.com/docs/books/tutorial/uiswing/concurrency/index.html].
Regards,
Henrique Abreu

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SQL query question for SQL Swing Applet

Hi
I am building a little SQL Swing applet.
I was wondering if there is a SQL query statement to
find:
* The names of all the tables in the Database loaded.
* The number of tables in a database loaded.
Thank you very much in advance, A.

Not positive, but check out Connection.getMetaData(). It returns a DatabaseMetaData instance that has a number of get... methods that may provide the info you need.

Unable to download images in a swing applet (1.3.1) behind proxy

Hi
One of my client have a proxy server and firewall and when they try to access my webserver
then all the AWT applet are downloaded and rendered on client properly. However, the swing applet written
using JDK 1.3.1 is downloaded and rendered but it doesn't display anything properly as images
are not down loaded. I have used media tracker to add images to it like oMediaTracker.addImage( oImage, index );
and then oMediaTracker.waitForAll();
Java console display at client looks as follows:
Java(TM) Plug-in: Version 1.3.1
Using JRE version 1.3.1 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\toy
Proxy Configuration: no proxy
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
q: hide console
s: dump system properties
t: dump thread list
x: clear classloader cache
0-5: set trace level to <n>
Applet Initialization start...
Applet Image Initialization start...
Trace level set to 5: basic, net, security, ext, liveconnect ... completed.
Opening      http:MyServer/24/x.gif
Connecting     http:MyServer/24/x.gif with no proxy
Connecting
http:MyServer/24/x.gif with cookie "ASPSESSIONIDGQGQQVWC=DLNBDAOABFANEPJFFIGOOIPG;
JSESSIONID=25Ais2tF1eBkevUhAa2akocfShzNdzyL7yC1I7UhJl7Z6BLZrnQK!
-1149265879"
Opening      http:MyServer/40/y.gif
Connecting      http:MyServer/40/y.gif with no proxy
Connecting      http:MyServer/40/y.gif with cookie "ASPSESSIONIDGQGQQVWC=DLNBDAOABFANEPJFFIGOOIPG;
JSESSIONID=25Ais2tF1eBkevUhAa2akocfShzNdzyL7yC1I7UhJl7Z6BLZrnQK!
-1149265879"
Opening     http://MyServer/sun/beans/infos/PanelBeanInfo.class
Connecting     http://MyServer/sun/beans/infos/PanelBeanInfo.class with no proxy
Connecting http://MyServer/sun/beans/infos/PanelBeanInfo.class with cookie "ASPSESSIONIDGQGQQVWC=DLNBDAOABFANEPJFFIGOOIPG;
JSESSIONID=25Ais2tF1eBkevUhAa2akocfShzNdzyL7yC1I7UhJl7Z6BLZrnQK!
-1149265879"
Opening http://MyServer/java/awt/ContainerBeanInfo.class
Connecting http://MyServer/java/awt/ContainerBeanInfo.class with no proxy
Connecting http://MyServer/java/awt/ContainerBeanInfo.class
Client machine tries to access these images but i never receive a call at web server end when i see
IIS log.
CLient environment:
-Windows 2000/XP/NT
-Internet explorer 6.0 SP1 or IE 5.5 SP2
with connection->LAN Setting->Use Automatic configuration script(only checked)
-Java Plugin configured like proxies->Use Browser Setting
-JDK 1.3.1 plug in at client(downloaded and Installed automatically on demand)
-Object tag used to download applet and plugin
-Firewall and proxy(i don't know about vendor)
My webserver environment
Windows 2000/iis 5.0 with anonymous authentication and
cache-control header set to no-store (so that proxy doesn't cache anything)
QUESTIONS:
~~~~~~~~~
Q.1. When i try from home network that has a proxy then everything works fine. At client site everything except
image download works fine. I mean jars are downloaded and i can see anything drawn using JAVA API.
When i try from home i see following java console trace
Java(TM) Plug-in: Version 1.3.1
Using JRE version 1.3.1 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\wuko
Proxy Configuration: Automatic Proxy Configuration
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
q: hide console
s: dump system properties
t: dump thread list
x: clear classloader cache
0-5: set trace level to <n>
Trace level set to 5: basic, net, security, ext, liveconnect ... completed.
Applet Initialization start...
Applet Image Initialization start...
Opening http://MyServer/24/connec.gif
Connecting http://MyServer/24/connec.gif with proxy=197.168.1.100:808
Connecting http://MyServer/24/connec.gif with cookie "ASPSESSIONIDQQGQQCYU=GBJFAOABCJFPDMGFHEKLDACA; JSESSIONID=26yu5m1b4upVuXoAoDmtMbWXQmetQpyzqjFANszo9vFubujT4qGX!-1149265879"
Opening http://MyServer/24/cool.gif
Connecting http://MyServer/24/cool.gif with proxy=197.168.1.100:808
Connecting http://MyServer/24/cool.gif with cookie "ASPSESSIONIDQQGQQCYU=GBJFAOABCJFPDMGFHEKLDACA; JSESSIONID=26yu5m1b4upVuXoAoDmtMbWXQmetQpyzqjFANszo9vFubujT4qGX!-1149265879"
etc
I can't set the plugin at client to use automatic script just like IE browser uses. This option is not supported in JRE1.3.1. Looks to be supported in JRE1.4.1. My client doesn't want to set manual proxy ip and port in plugin as they don't want to reveal this info to everyone within the company for security reason.
Q.2. Why some classes like PanelBeanInfo.class, JAppletBeanInfo.class are downloaded
from my server while it doesn't exist at my webserver. Any thing stupid IE or plugin doing
at client. Any Idea?
Thanks in advance for any help.
Ratan

Thanks to Mike and other friends who already replied on this topic.
Here is my research analysis:
Answer to Question 1:
~~~~~~~~~~~~~~~~~~~~~
The solution is to bundle all the images with JAR. Bundle with jar whichever needs it. However, it might require duplicacy.
Image img = null;
try
img = Toolkit.getDefaultToolkit().getImage(getClass().getResource(fileName));
catch (Exception e) { }
In this case make sure that you have image at the same location where you access it. For example if you have to access an image in package class com.awt.ui.MyClass then your image should also be at location ..\com\awt\ui
Note: It will require image duplicacy in your JAR but it solves the problem. It gives the advantage of fewer download from server.
Answer to Question 2:
~~~~~~~~~~~~~~~~~~~~~
IE treats applet as an active-X and try to look for these classes in your JAR. SUN has stopped its support in JDK1.3.1 and plus. What one can do is to create dummy classes with these names and bundle it with your JAR. You have to create these dummy classes if you enable Basic authentication on your web server then browser will try to look for these classes on the server and continue to prompt you for login and password. It might bother your customer un-necessarily to enter login and password too many times prompted by plug-in (plug in).
--Ratan

How to run swing applets in a browser??

I understand it is a typical question and there lot of articles on it. I tried but am confused. I installed JRE1.3 which has java plug-in along with it which supports swing applets in a browser.Once i got that plug in i also downloaded html converter but am confused how should i run my swing applet.Can anyone please explain in simple steps as to how to achieve this objective..Thanks much in advance..an example would be of real big help
Thanks

The below links will help you.
http://java.sun.com/products/plugin//1.3/docs/index.docs.html
http://java.sun.com/products/plugin/1.3/plugin.faq.html

Which command i use to run SWING APPLET

Hi friends,
i m a new in swing technology i got and problem when i run swing applet .
i make a file and complie it with -deprecation it work and make a .class file but how can i run this applet [i use jview command , appletviewer command but it can't work]
i hope that someone hellp me.

Just as a matter of interest and i know its a stupid question, but did you create a html file to access the class file/jar
Here is some example code of an applet html page
Hope it helps...
Also have you put it in a Jar file?
<html>
<head>
<title>(Whatever title youu want)</title>
<BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#0000EE" VLINK="#551A8B" ALINK="#FF0000">
<TR>
<APPLET CODE = "ClassName.class" ARCHIVE = "JarName.jar" WIDTH = "800" HEIGHT = "600"></XMP>
<PARAM NAME = CODE VALUE = "ClassName.class" >
<PARAM NAME = ARCHIVE VALUE = "JarName.jar" >
<PARAM NAME="type" VALUE="application/x-java-applet;version=1.3">
<PARAM NAME="scriptable" VALUE="false">
<dont worry about this>(they just variables for my applet)
<PARAM NAME = SERVER_IP VALUE ="192.1.1.209">
<PARAM NAME = SERVER_PORT VALUE =8701>
<PARAM NAME = DEBUG VALUE =true>
<PARAM NAME = REFRESH VALUE =10000>
<PARAM NAME = TAIL_REFRESH VALUE =2500>
<PARAM NAME = MESSAGE_TIMEOUT VALUE =60>
</dont worry about this>
</APPLET>
</body>
</html>

How to run swing applets???

I already posed this question yesterday but i got no replies.please help me out.
I understand it is a typical question and there lot of articles on it. I tried but am confused. I installed JRE1.3 which has java plug-in along with it which supports swing applets in a browser.Once i got that plug in i also downloaded html converter but am confused how should i run my swing applet.Can anyone please explain in simple steps as to how to achieve this objective..Thanks much in advance..an example would be of real big help
Thanks

u need to convert ur html-page with the applet-tags with the htmlconverter.

How run my swing applet in ie

hi master
sir how run my swing applet in ie
i have java2platform
please give me idea
thank
aamir

This is a forum dedicated to the use of the JDBC API for the Oracle DBMS. Please post your question in a pure Swing/Java forum (e.g. newsgroup or Sun's website)
This is the wrong place

Swing Applet won't run

Hi,
I am unable to run swing applets on my pc. When I view swing applets on this site in the tutorial section the applets run fine, but when I download them and try to run them locally I get a java.lang.ClassNotFoundException. All the files are compiled and in the correct directories.
Any ideas?
Thanks

OK, I get your point, let me rephrase my question:
I'm trying to run a java application,
which does not have any syntactical errors since it compiles and runs on my development computer without any errors or warnings.
The application is built in NetBeans IDE 5.0 (on a winXP) and uses components from the javax.swing package.
On my other computer (winXP) I get ClassNotFoundExceptions on the swing classes.
So I assume, I either don't have the swing classes on that computer,
or I have them, but the java engine can't find them anyway.
And now my new question:
Is the javax.swing package not include in the "Java Runtime Environment Version 5.0 Update 8"?
If it is not, where do I find them and how do I install them?
It seems strange to have to install a development kit just to be able to run a java application.

Swing applets how?

I have no probs writing Swing Applications or AWT applets
but I dont know how to have a swing applet
I think you can install a plug in to IE so it can view Java 1.3. I am not too keen on this idea as it still means that people without the plug in will not be able to view the swing applet.
How do people without the plugin view the swing applet?
Simon

I am not too keen on this idea as it still means that
people without the plug in will not be able to view the
swing applet.That's just too bad... Didn't you know that M$ is dropping built-in "support" for Java altogether, so that you will need to download the ultra-modern plugin just like you need a plugin for movie clips, flash animations, sound, virtual reality, and other cool things?
There's more: the JRE is installed with the plugin so that the poor users will be able to run also other Java programs, not just applets. The whole world(*) will get a proper runtime environment! No more of these "how do I compile a .java to .exe" questions!
How do people without the plugin view the swing applet?Simple: convert the HTML code with the HTMLConverter app so that it will use the plugin. If a user that doesn't yet have the plugin enters your page he/she will be advised to download one...
(*) The whole world, or 'everywhere' in "write once, run everywhere" doesn't seem to incude *BSD? When will this be fixed???

Best IDE and how-to create HTML for a swing Applet

Can you help me out? I've been using, and teaching with the old Symantec VisualCafe product from long, long, ago. It still works fine & I can even use it to build JFC/Swing Applets etc. But a few things have occurred. For one, a way back, Symantec sold VisualCafe to WEBGAIN - who now has gone out of business and sold it to a company called TOGETHERSOFT - who doesn't support it any longer.
This isn't really a big deal to me, because I can still build and deploy applets that are pre-swing easily enough. (as can my students)
HOWEVER... I'd like to be running with the LATEST Java (I think it's 1.4.01) and I'd LIKE to use whatever is the best development environment I can use - especially one I can recommend to my students. Do you know what that should be?
What's more, I'd still like to take some JFC/Swing created applets (even if compiled with the older VisualCafe IDE) and generate the HTML to allow 1.4 enabled browsers to run them (this is the case for the schools versions of Explorer and Netscape). Now, the HTML I have INSTALLED for the students used the HTML converter - back in 1.2 to produce the HTML at the bottom of this. This code no longer works now with current browsers. Do you know HOW one makes a jfc/swing compiled applet run on the latest browsers?
Any help or direction you can give would be appreciated.
thanks,
Bobby Berns
[email protected]
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
WIDTH = 756 HEIGHT = 396 codebase="http://java.sun.com/products/plugin/1.2/jinstall-12-win32.cab#Version=1,2,0,0">
<PARAM NAME = CODE VALUE = "lottery.class" >
<PARAM NAME="type" VALUE="application/x-java-applet;version=1.2">
<COMMENT>
<EMBED type="application/x-java-applet;version=1.2" java_CODE = "lottery.class" WIDTH = 756 HEIGHT = 396 pluginspage="http://java.sun.com/products/plugin/1.2/plugin-install.html"><NOEMBED></COMMENT>
</NOEMBED></EMBED>
</OBJECT>



Bobby,
It's been a while since I've used the HTML Converter, but if I had to guess I'd say you need a newer version than what you have. Also, doesn't the converter allow you to choose which JDK you want to use (in which case you could select 1.4)? Again it's been a while so bear with me. Another option would be to put all the Swing classes into a .jar file (typically called swingall.jar) on your server and include that file as an attribute in your applet tag like this:
<APPLET CODE="yourApplet.class" ARCHIVE="swingall.jar">
This way you don't have to use the Java Plug-in, however the initial download time of the .jar file can be significant.
As for an IDE, I've always been happy using a text editor like UltraEdit. However, I've heard good things about Forte, and hey, it's free!
Regarding Christina's post, that solution will only work if the Applet does not use Swing components (and Bobby specifically said it does). By using the <OBJECT> and <EMBED> tags, rather than the <APPLET> tag, you force the browser to use the Java Plug-in (rather than the browser's default JVM).
Hope that helps,
- Sheepy

Java Swing Applets in Mac Os

hi there,
I am a student at the University of Portsmouth in the UK in my third and last year. I am doing my dissertation as a game using applets for a client at the university of which there consits four prototypes. One of the main specification points is that it should work on an apple mac, therefore I am using Swing applets. however with my first prototype it works fine on windows in windows Explorer, firefox and Netscape but i cant get it to work on Mac os 9 or X even with the latest version of java installed on the machine. Can anyone tell me why this is so, I would be very gratefull.
As I cant post the whole applet here as a file download I will just put some code snippets of the main program classes.
Applet ------------------------------
* Class JugglingBalls - A sub class of JApplet that combines the GameInterface and GamePanel into a single application
* @author (Liam Morren)
* @version (v1.0)
import java.awt.*;
import javax.swing.*;
public class JugglingBalls extends JApplet
    // instance variables -----------------------------------------------------------------------------------------------------------------------------------
    private GamePanel gamePanel; // The game panel including game and render loop
    private GameInterface gameInterface; // The swing interface to modify the game scene components
    // JApplet methods -------------------------------------------------------------------------------------------------------------------------------------
     * Called by the browser or applet viewer to inform this JApplet that it
     * has been loaded into the system. It is always called before the first
     * time that the start method is called.
    public void init()
        gamePanel = new GamePanel();
        gameInterface = new GameInterface(gamePanel.getGameScene());
        Container content = getContentPane(); // The container for components in the applet
        setLayout(new BoxLayout(content, BoxLayout.X_AXIS));
        content.add(gamePanel);
        content.add(gameInterface);
     * Returns information about this applet.
     * An applet should override this method to return a String containing
     * information about the author, version, and copyright of the JApplet.
     * @return a String representation of information about this JApplet
    public String getAppletInfo()
        // provide information about the applet
        return "Title: JugglingBalls \nAuthor: Liam Morren \nA simple application showing balls juggling in the air.";
Interface -------------------------------------
* Class GameInterface - Lets you manipulate the game components using swing components
* @author (Liam Morren)
* @version (v1.0)
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
public class GameInterface extends JPanel
    // instance variables -------------------------------------------------------------------------------------------------------------------------------------
    private GameScene gameScene; // Reference to the game scene
    private JTabbedPane gameTabs; // Tabs for Game, Balls and Background
    // Scene panel
    JButton pause, start, reset; // Buttons
    // Balls panel
    JRadioButton redBall, greenBall, blueBall, archBall, figureOfEightBall; // Radio buttons
    JCheckBox canSplit; // Check box
    JComboBox setAllPaths, setAllTypes, newBall, selectBall; // Drop down boxes
    JButton deleteBall; // Button
    Ball currentBall; // Current ball being changed
    // Background panel
    JRadioButton black, white, red, green, blue, hide, show, stop, move, arch, figureOfEight; // Radio buttons
    // Constructors -------------------------------------------------------------------------------------------------------------------------------------------
     * Constructor for objects of class GameInterface
    public GameInterface(GameScene gameSceneIn)
        gameScene = gameSceneIn; // Reference to the game scene
        gameTabs = new JTabbedPane(); // JTabbedPane to hold different toolbars
        gameTabs.setPreferredSize(new Dimension(200, 494)); // Set the preffered size for the tabbed pane
        currentBall = gameScene.getBall(0); // First ball
        // Add the panels to the tabbed pane
        gameTabs.addTab("Scene", makeScenePanel());
        gameTabs.addTab("Balls", makeBallsPanel());
        gameTabs.addTab("Background", makeBackgroundPanel());
        add(gameTabs); // Add the tab to the game interface panel
        setPreferredSize(new Dimension(200, 200));
    // Other methods ------------------------------------------------------------------------------------------------------------------------------------------
     * makeScenePanel
     * @return JPanel - The scene panel with buttons added
    private JPanel makeScenePanel()
        // Make scene panel
        JPanel scenePanel = new JPanel();
        scenePanel.setLayout(new BoxLayout(scenePanel, BoxLayout.Y_AXIS)); // Change layout
        pause = new JButton("Pause"); // Make buttons
        start = new JButton("Start");
        reset = new JButton("Reset");
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        pause.addActionListener(new ActionListener() // Add button listener to pause button
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                gameScene.setPaused(true); // Pause game
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            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                gameScene.setPaused(false); // Unpause game
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            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                gameScene.reset(); // Reset game
                updateSelectBallComboBox();
                changeSelectedBall(0);
        scenePanel.add(pause); // Add buttons to scene panel
        scenePanel.add(start);
        scenePanel.add(reset);
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     * makeBackgroundPanel
     * @return JPanel - The background panel with buttons added
    private JPanel makeBackgroundPanel()
        // Make scene panel
        JPanel backgroundPanel = new JPanel();
        backgroundPanel.setLayout(new GridLayout(5, 1, 2, 2)); // Change layout
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        // background colour buttons
        JPanel backgroundcolour = new JPanel(); // Change backgroundcolour panel
        backgroundcolour.setBorder(BorderFactory.createLineBorder(Color.black));
        black = new JRadioButton("Black"); // Radio buttons to change colour
        white = new JRadioButton("white");
        black.setSelected(true); // Set black as already selected
        ButtonGroup backColourGroup = new ButtonGroup(); // Group buttons so only one can be pressed at a time
        backColourGroup.add(black); // Add buttons to group
        backColourGroup.add(white);
        backgroundcolour.setLayout(new GridLayout(2, 2, 0, 0)); // Change layout
        backgroundcolour.add(new JLabel("Background colour")); // Add label
        backgroundcolour.add(black); // Add buttons to colours panel
        backgroundcolour.add(white);
        // Add radio button actions
        black.addActionListener(new ActionListener() // Add button listener to black button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                gameScene.setBackgroundColour(false); // Background colour = black
        white.addActionListener(new ActionListener() // Add button listener to white button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                gameScene.setBackgroundColour(true); // Background colour = white
        // colour buttons
        JPanel colours = new JPanel(); // Change colours panel
        colours.setBorder(BorderFactory.createLineBorder(Color.black));
        red = new JRadioButton("Red"); // Radio buttons to change colour
        green = new JRadioButton("Green");
        green.setSelected(true); // Set green as already selected
        blue = new JRadioButton("Blue");
        ButtonGroup colourGroup = new ButtonGroup(); // Group buttons so only one can be pressed at a time
        colourGroup.add(red); // Add buttons to group
        colourGroup.add(green);
        colourGroup.add(blue);
        colours.setLayout(new GridLayout(2, 2, 0, 0)); // Change layout
        colours.add(new JLabel("Change colours")); // Add label
        colours.add(red); // Add buttons to colours panel
        colours.add(green);
        colours.add(blue);
        // Add radio button actions
        red.addActionListener(new ActionListener() // Add button listener to red button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                if (gameScene.getBackgroundEffect().getColour() != 0)
                    gameScene.getBackgroundEffect().setColour(0); // Background effect colour = red
        green.addActionListener(new ActionListener() // Add button listener to green button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                if (gameScene.getBackgroundEffect().getColour() != 1)
                    gameScene.getBackgroundEffect().setColour(1); // Background effect colour = green
        blue.addActionListener(new ActionListener() // Add button listener to blue button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                if (gameScene.getBackgroundEffect().getColour() != 2)
                    gameScene.getBackgroundEffect().setColour(2); // Background effect colour = blue
        // hide buttons
        JPanel hideShow = new JPanel(); // Change hideShow panel
        hideShow.setBorder(BorderFactory.createLineBorder(Color.black));
        hide = new JRadioButton("Hide"); // Radio buttons to hide show
        show = new JRadioButton("Show");
        show.setSelected(true); // Set show as already selected
        ButtonGroup hideShowGroup = new ButtonGroup(); // Group buttons so only one can be pressed at a time
        hideShowGroup.add(hide); // Add buttons to group
        hideShowGroup.add(show);
        hideShow.setLayout(new GridLayout(2, 2, 0, 0)); // Change layout
        hideShow.add(new JLabel("Hide / Show")); // Add label
        hideShow.add(hide); // Add buttons to hideShow panel
        hideShow.add(show);
        // Add radio button actions
        hide.addActionListener(new ActionListener() // Add button listener to hide button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                    gameScene.getBackgroundEffect().hide(); // Hide
        show.addActionListener(new ActionListener() // Add button listener to show button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                    gameScene.getBackgroundEffect().unHide(); // Unhide
        // stopMove buttons
        JPanel stopMove = new JPanel(); // Change StopMove panel
        stopMove.setBorder(BorderFactory.createLineBorder(Color.black));
        stop = new JRadioButton("Stop"); // Radio buttons to stop move
        move = new JRadioButton("Move");
        stop.setSelected(true); // Set stop as already selected
        ButtonGroup stopMoveGroup = new ButtonGroup(); // Group buttons so only one can be pressed at a time
        stopMoveGroup.add(stop); // Add buttons to group
        stopMoveGroup.add(move);
        stopMove.setLayout(new GridLayout(2, 2, 0, 0)); // Change layout
        stopMove.add(new JLabel("Stop / Move")); // Add label
        stopMove.add(stop); // Add buttons to stopMove panel
        stopMove.add(move);
        // Add radio button actions
        stop.addActionListener(new ActionListener() // Add button listener to stop button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                    gameScene.getBackgroundEffect().setMove(false); // stop
        move.addActionListener(new ActionListener() // Add button listener to move button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                    gameScene.getBackgroundEffect().setMove(true); // move
        // changePath buttons
        JPanel changePath = new JPanel(); // Change changePath panel
        changePath.setBorder(BorderFactory.createLineBorder(Color.black));
        arch = new JRadioButton("Arch"); // Radio buttons to change path
        figureOfEight = new JRadioButton("Figure of eight");
        arch.setSelected(true); // Set stop as already selected
        ButtonGroup changePathGroup = new ButtonGroup(); // Group buttons so only one can be pressed at a time
        changePathGroup.add(arch); // Add buttons to group
        changePathGroup.add(figureOfEight);
        changePath.setLayout(new GridLayout(2, 2, 0, 0)); // Change layout
        changePath.add(new JLabel("Change Path")); // Add label
        changePath.add(arch); // Add buttons to changePath panel
        changePath.add(figureOfEight);
        // Add radio button actions
        arch.addActionListener(new ActionListener() // Add button listener to arch button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                    gameScene.getBackgroundEffect().setPath(new Arch()); // Arch
        figureOfEight.addActionListener(new ActionListener() // Add button listener to figureOfEight button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                    gameScene.getBackgroundEffect().setPath(new FigureOfEight()); // Figure of eight
        // Add components to background panel
        backgroundPanel.add(backgroundcolour);
        backgroundPanel.add(colours);
        backgroundPanel.add(hideShow);
        backgroundPanel.add(stopMove);
        backgroundPanel.add(changePath);
        return backgroundPanel;
     * makeBallsPanel
     * @return JPanel - The ball panel with buttons added
    private JPanel makeBallsPanel()
        // Make balls panel
        JPanel ballsPanel = new JPanel();
        ballsPanel.setLayout(new BoxLayout(ballsPanel, BoxLayout.Y_AXIS)); // Change layout
        // Make buttons
        // set all drop down boxes
        JPanel setAll = new JPanel(); // Set all panel
        setAll.setBorder(BorderFactory.createLineBorder(Color.black));
        String[] setAllPathsChoices = {"Arch", "Figure of eight"}; // Selections for set all paths
        setAllPaths = new JComboBox(setAllPathsChoices); // Add selections to combo box
        String[] setAllTypesChoices = {"Primary ball", "Pastel ball", "3D ball", "Image ball"}; // Selections for set all types
        setAllTypes = new JComboBox(setAllTypesChoices); // Add selections to combo box
        setAll.add(new JLabel("Set all paths")); // Add combo boxes to set all panel
        setAll.add(setAllPaths);
        setAll.add(new JLabel("Set all types"));
        setAll.add(setAllTypes);
        // Add combo box actions
        setAllPaths.addActionListener(new ActionListener() // Add selection listener to set all paths combo box
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                if (setAllPaths.getSelectedItem() == "Arch")
                    gameScene.setAllPathsArch();
                else
                    gameScene.setAllPathsFigureOfEight();
        setAllTypes.addActionListener(new ActionListener() // Add selection listener to set all types combo box
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                if (setAllTypes.getSelectedItem() == "Primary ball")
                    gameScene.setAllTypesPrimaryBall();
                else if (setAllTypes.getSelectedItem() == "Pastel ball")
                    gameScene.setAllTypesPastelBall();
                else if (setAllTypes.getSelectedItem() == "Image ball")
                    gameScene.setAllTypesImageBall();
                else
                    gameScene.setAllTypesBall3D();
        // new ball drop down box
        JPanel newBallPanel = new JPanel(); // new ball panel
        newBallPanel.setBorder(BorderFactory.createLineBorder(Color.black));
        String[] newType = {"Primary ball", "Pastel ball", "3D ball", "Image ball"}; // Selections for new ball
        newBall = new JComboBox(newType); // Add selections to combo box
        newBallPanel.add(new JLabel("New ball")); // Add combo boxes to new ball panel
        newBallPanel.add(newBall);
        // Add combo box actions
        newBall.addActionListener(new ActionListener() // Add selection listener to newBall combo box
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                String ballType = (String) newBall.getSelectedItem();
                if (ballType == "Primary ball")
                    gameScene.addBall(new PrimaryBall(gameScene));
                else if (ballType == "Pastel ball")
                    gameScene.addBall(new PastelBall(gameScene));
                else if (ballType == "Image ball")
                    gameScene.addBall(new ImageBall(gameScene));
                else
                    gameScene.addBall(new Ball3D(gameScene));
                updateSelectBallComboBox();
                changeSelectedBall(gameScene.getBalls().size() - 1); // Update interface to show new ball
        // selected ball panel
        JPanel selectedBallPanel = new JPanel(); // selected ball panel
        selectedBallPanel.setBorder(BorderFactory.createLineBorder(Color.black));
        // Select ball
        selectBall = new JComboBox(gameScene.getBallList()); // Add ball list to the select drop down box
        deleteBall = new JButton("DeleteBall"); // Delete button
        // Ball colour
        redBall = new JRadioButton("Red"); // Red choice
        redBall.setSelected(true); // Start as selected
        greenBall = new JRadioButton("Green"); // Green choice
        blueBall = new JRadioButton("Blue"); // Blue choice
        ButtonGroup ballColour = new ButtonGroup(); // So only one colour can be selected at a tim
        ballColour.add(redBall);
        ballColour.add(greenBall);
        ballColour.add(blueBall);
        // Path
        archBall = new JRadioButton("Arch"); // Arch path choice
        archBall.setSelected(true); // Start as selected
        figureOfEightBall = new JRadioButton("Figure of eight"); // Figure of eight path choice
        ButtonGroup ballPath = new ButtonGroup(); // So only one path can be selected at a tim
        ballPath.add(archBall);
        ballPath.add(figureOfEightBall);
        // Can split
        canSplit = new JCheckBox("Can split", false); // Initialy not selected
        selectedBallPanel.add(new JLabel("Select ball")); // Add components to selected ball panel
        selectedBallPanel.add(selectBall);
        selectedBallPanel.add(deleteBall);
        selectedBallPanel.add(new JLabel("Ball colour"));
        selectedBallPanel.add(redBall);
        selectedBallPanel.add(greenBall);
        selectedBallPanel.add(blueBall);
        selectedBallPanel.add(new JLabel("Path"));
        selectedBallPanel.add(archBall);
        selectedBallPanel.add(figureOfEightBall);
        selectedBallPanel.add(canSplit);
        // Add select ball drop down box action
        selectBall.addActionListener(new ActionListener() // Add selection listener to selectBall combo box
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                changeSelectedBall(selectBall.getSelectedIndex()); // Change the selected ball using the index from the select ball drop down box
        // Add delete button action
        deleteBall.addActionListener(new ActionListener() // Add selection listener to deleteBall button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                int tempIndex = selectBall.getSelectedIndex(); // Temp index
                if (gameScene.getBalls().size() > 1) // If there is more than 1 ball left
                    gameScene.removeBall(tempIndex); // Remove ball
                    updateSelectBallComboBox(); // Update with new ball list
                    changeSelectedBall(tempIndex - 1); // Update interface with new current selected ball
        // Add radio button colour actions
        redBall.addActionListener(new ActionListener() // Add button listener to redBall button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                if (currentBall.getColour() != 0)
                    currentBall.setColour(0); // currentBall colour = red
        greenBall.addActionListener(new ActionListener() // Add button listener to greenBall button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                if (currentBall.getColour() != 1)
                    currentBall.setColour(1); // currentBall colour = green
        blueBall.addActionListener(new ActionListener() // Add button listener to blueBall button
            public void actionPerformed(ActionEvent ev) // Background colour = blue
                if (currentBall.getColour() != 2)
                    currentBall.setColour(2); // currentBall colour = blue
        // Add path radio button actions
        archBall.addActionListener(new ActionListener() // Add button listener to arch button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                    currentBall.setPath(new Arch()); // Arch
        figureOfEightBall.addActionListener(new ActionListener() // Add button listener to figureOfEight button
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                    currentBall.setPath(new FigureOfEight()); // Figure of eight
        // Add can split check button actions
        canSplit.addActionListener(new ActionListener() // Add button listener to can split
            public void actionPerformed(ActionEvent ev) // Overide actionPerformed() method
                    currentBall.setCanGiveBirth(canSplit.isSelected()); // Ball can split if can split check button is selected
        // Add components to ball panel
        ballsPanel.add(setAll);
        ballsPanel.add(newBallPanel);
        ballsPanel.add(selectedBallPanel);
        return ballsPanel;
     * changeSelectedBall
     * @param ballIndexIn - The numbered index of the ball in the game scene list of balls. If less than 0 then equals 0. If more than ball list size then equals last ball
    public void changeSelectedBall(int ballIndexIn)
        if (ballIndexIn < 0) // Make sure index is within bounds
            ballIndexIn = 0;
        else if (ballIndexIn >= gameScene.getBalls().size())
            ballIndexIn = gameScene.getBalls().size() - 1; // Else put within bounds at either end
        currentBall.highlight(false); // Unhighlight current ball
        currentBall = gameScene.getBall(ballIndexIn); // Get new current ball
        currentBall.highlight(true); // Highlight new current ball
        // Update controls to new ball
        selectBall.setSelectedIndex(ballIndexIn);
        switch (currentBall.getColour()) // Update colour controls
            case 0: redBall.setSelected(true); break;
            case 1: greenBall.setSelected(true); break;
            default: blueBall.setSelected(true); break;
        if (currentBall.getPath() instanceof Arch) // If path is arch
            archBall.setSelected(true); // Update controls as arch
        else
            figureOfEightBall.setSelected(true); // Else figure of eight
        canSplit.setSelected(currentBall.canGiveBirth()); // Set if the ball can split or not
     * updateSelectBallComboBox
     * This method updates the combo box selection model with a new one made from the updated balls arraylist from the game scene
    public void updateSelectBallComboBox()
        DefaultComboBoxModel model = new DefaultComboBoxModel(gameScene.getBallList());
        selectBall.setModel(model);
}Kind regards
Liam morren

http://docs.info.apple.com/article.html?artnum=301073
This link states Mac OS X 10.4 now supports Java 5.0. It does mention nothing about Mac OS 9 or previous version of OS X. The problem you may be facing is that your Mac is running only 1.4.2 or less. The class files compiled for Java 5.0 can't run in non 5.0 versions of the Java Virtual Machine. Java 5.0 was a major release for the Java language and thus the change in numbering (though it took a little bit for this to change).
Anyway you should confirm what version of Java you have installed on your Mac.
At a command prompt:
java -version
The above URL states that the previous 1.4.2 Java version is not uninstalled, and this could still be the preferred version to use for Java applications even after installing Java 5.0.
The URL above states there is a utility to set your apps to use Java 5.0 as the perferred Java version. Who knows maybe this is all you need to do. I hope this is the case, then it probably is an easy fix, otherwise you may need to rewrite your app in Java 1.4.2 to get it to run on your version of Mac.

How to show a html page in a swing applet -- URGENT!!!

Hi All,
I'm trying to show a html page inside a swing applet... is it possible to do that?? if so is there any built-in classes available for that?? If anyone have some examples, plz help me with that....
Thanks,
Ragu

i havent tested.. but this should work. i am no expert on these either, just to give you an example.. :-)
JEditorPane ePane = new JEditorPane();
HTMLEditorKit html = new HTMLEditorKit();
ePane.setEditorKit(html);
HTMLDocument htmld = new HTMLDocument();
try{
URL url = new URL("http://hcs.harvard.edu/~undercon/");
InputStream ins = url.openStream();
ePane.setDocument(htmld);
html.read(ins,htmld, 0);
this.getContentPane().add(new JScrollPane(ePane),BorderLayout.CENTER);
catch(Exception e)
e.printStackTrace();
}

How to use Flash buttons/animation in a Swing/Applet?

Hello,
I want to use flash button as like as JButton that we use in Swing/ Applet. How can I do So?
Please help me.
Thanks-

[http://java.sun.com/docs/books/tutorial/uiswing/misc/timer.html]
Or maybe just...
import java.awt.*;
import java.net.*;
import javax.swing.*;
public class Blinky {
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable(){
            public void run() {
                URL url = null;
                try {
                    url = new URL("http://www.gifanimations.com/GA/image/animations/bodyparts/eyes/eye-01.gif");
                } catch (MalformedURLException e) {
                    throw new RuntimeException(e);
                JFrame f = new JFrame("Blinky");
                f.getContentPane().add(new JButton(new ImageIcon(url)));
                f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                f.pack();
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                f.setVisible(true);
}

PDF document in a Swing Applet?

How can you display a PDF document in a Swing Applet?

I have implemented a document archiving solution that provides a Swing UI to search a database for available documents. All the documents in the archive are in the PDF format. To accomplish this I use an html frameset where a Swing applet is displayed in one frame and the PDF document is displayed in the lower frame. I use LiveConnect to have my javascript communicate with the applet. My applet calls a javascript function that causes the URL of the lower frame point to the PDF document. This works fine, but I would rather use an all Java UI instead of depending on the browser and javascript.
How can we get Adobe or Sun to address this need?

Swing applet view problem in IE

Hi,
I am new to Java and have to develop a web enabled tool where the servlets in my Solaris-Tomcat web server is manipulating with data in an oracle database. The client code is on Swing Applet, which is to be opened in Internet Explorer 5.5 from Windows NT platform.
In view of this, I have written a small swing applet and it is not opening in IE. I heard that I need to use HTML converter to run Swing applets in IE. But, Is it enough to download the HTML converter for Solaris and install it in the server and convert the html pages where <applet> tag is included? Or , do I need to install the HTML converter for windows to all the client machines?
Please help. This is very urgent.
Thanks in adance.

You can use this html code :
<html>
     <body>
          <OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93" WIDTH = 695 HEIGHT = 525 codebase="http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,0,0">
               <PARAM NAME = CODE VALUE = MyApplet >
               <PARAM NAME = CODEBASE VALUE = "." >
               <PARAM NAME = ARCHIVE VALUE = "MyApplet.jar" >
               <PARAM NAME="type" VALUE="application/x-java-applet;version=1.3">
               <PARAM NAME="scriptable" VALUE="false">
          </OBJECT>
     </body>
</html>
replacing only the dimension, the code value and removing or modifying archive value.
Don't modiy the classid. This code indicates to the browser to use the Sun Java VM instead of its own vm.
I hope this helps,
Denis

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