Class Selector Question

Hello,
Is there a way in Dreamweaver to apply a class to an item like this for example:
.paragraphstyle.orange
The class in code view would look like:
<class="paragraphstyle orange">
The only way I can find to apply a class like this, is to manually add it to the code in code view which will work, but is tedious. It is not recognized in the class drop down in the properties pane and will not appear there after I create it as a new style. Is there a quicker way to apply this.
Thank you!

In DW CS6, the option for Applying Multiple Classes is near the bottom of your Class List. See screenshot.
Nancy O.
Alt-Web Design & Publishing
Web | Graphics | Print | Media Specialists
http://alt-web.com/
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Similar Messages

Class heirarchy question

This beginning of this post sounds similar to another of my recent posts. The end question is different. I'm just providing the atmosphere for the situation
I am coming from a c++ world into objective-c++/cocoa. I work for a company that sells static libraries to be used by other developers. Distributed with these libraries are, of course, the header files.
Currently, I am tasked with adding cocoa support to out library. I am using a subclass of NSOpenGL (we'll call it myNSGL) to render to. For proof of concept, I placed the rendering code in the instance methods of myNSGL, and called them from my controller class. This all works fine, able to render, and so on...
Now, I need to move this rendering code from the myNSGL class to inside our static library, abstracting it from the end user. This is where I have some questions.
In the class myNSGL, I am overriding the initWithFrame method. It creates an NSOpenGLPixelFormat then calls [super initWithFrame: pixelFormat:]. Fine, no problem. Here is the problem. I want to move all custom code (setup, rendering, etc...) inside the static library and only provide client developer with the h and mm files (In IB, they'll need to set the View's class to myNSGL). My question is, How can I initialize myNSGL's super class from inside my lib code? This call is vital, but I don't want it exposed to the client developer. Maybe this will help to visualize:
// Client Application code:
// client.h:
#include "myNSGL.h"
@interface ......{
myLib *_mylib;
IBOutlet myNSGL *_mynsgl;
// client.mm:
#import "client.h"
@implementation .......
- (id)init{
// use instance of my static lib.
_mylib->initializeNSGL();
// more calls to _mylib...
@end
// Static lib, lib.cpp:
#include "myNSGL.h"
class myLib{
private:
myNSGL* _mynsgl;
NSOpenGLContext* _context;
public:
void initializeNSGL()
GLuint attribs[] =
NSOpenGLPFAWindow,
NSOpenGLPFADoubleBuffer,
0
NSOpenGLPixelFormat* fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes: (NSOpenGLPixelFormatAttribute*) attribs];
// PROBLEM!!! can't call anything on myNSGL's super.
[_windowRef [super initWithFrame:[_windowRef frame] pixelFormat: [fmt autorelease]]];
//////////////////////////////////////////

Your client developers shouldn't need any .mm files. All you should distribute are the headers and the library.
What you need to do is separate the headers into a public interface and a private interface. The public interface should contain all a client should ever need to see, plus instance data. The private interface is implemented as an Objective-C category. Then, your .mm files will import both the public and the private interfaces.
If you want to hide your instance data, that will be more work. You would have to use protocols or maybe dummy header files. You could maybe have a build stage that strips the data out of the headers and exports them into your framework. I don't know if that would work or not - probably not.

Class architecture question

I am coming from a c++ world into objective-c++/cocoa. I work for a company that sells static libraries to be used by other developers. Distributed with these libraries are, of course, the header files.
Currently, I am tasked with adding cocoa support to out library. I am using a subclass of NSOpenGL (we'll call it myNSGL) to render to. For proof of concept, I placed the rendering code in the instance methods of myNSGL, and called them from my controller class. This all works fine, able to render, and so on...
Now, I need to move this rendering code from the myNSGL class to inside our static library, abstracting it from the end user. This is where I have some questions.
I am compiling myNSGL into the static library. I would hope that providing ONLY the h file to the client application developer would be enough. There is a problem however. The client application will compile with the header and static lib, but at runtime it complains that interface builder doesn't know what myNSGL is. In IB, I have the view's class set to myNSGL, but without the myNSGL.mm file, interface builder is lost. The question is: Is there a way to distribute ONLY the lib and h file to customers (not the lib, h, AND mm file)?
Thanks for reading

Hi Zakk - I think this thread is going to need Etresoft, but I have a few questions.. and on the odd chance that one of them is relevant, you'll be ahead of the game to have the answers already posted by the time you get some more help.
... adding cocoa support to our library
This line scares me so I'd like to rule out my worst fears before continuing. Please tell me the Cocoa support will be a separate binary, ok?
I would hope that providing ONLY the h file to the client application developer would be enough.
Yes, the header certainly should be enough. Otherwise, I don't think anyone would claim that Cocoa is object oriented. AFAIK a header is all we get to see of any Cocoa framework.
at runtime it complains that interface builder doesn't know what myNSGL is.
Erm.. IB doesn't have anything to do with runtime. So could you clarify that? If you're getting a runtime message about IB, please post it, ok?
In IB, I have the view's class set to myNSGL, but without the myNSGL.mm file, interface builder is lost.
AFAIK IB only reads the @interface files. I've been confused about this in the past when it seemed like IB was in fact responding to a change in the @implementation, but each time it seemed that way further testing showed I'd reached the wrong conclusion. Of course, if someone who wasn't a team player snuck a @interface into your .mm, all bets are off.
In general, I would be sure the .h's were correctly included into the project and I would review some of the docs on building a Cocoa library. The easiest way to make sure Xcode is set up correctly would be to start the project with the OS X Cocoa Static Library template. I had a couple ADC links to post for you, but suddenly all my dev site links are broken. Let me know if you have any shortage of library docs.
\- Ray
p.s.: Just saw you already have Et's attention.

Jquery selector question..

Hi all...
Please help me with this jquery question.
In the Interactive reports,I would like to hide the option
"Row"(filter) (radio button option) under the "Actions-->Filter"
This is the code i was using,but it is not working.
I am very new to jquery, please help me with the jquery syntax.
$(function(){
$("ul li:contains('Filter')").live('click',function(){
$("#APEXIR_FILTER_TYPE_1").hide(); -- i need to hide that ""complete option""
});APEX: 4.1
Database: 11g
Browser: IE7

Hi,
There us 2 options. Default is columns. Why you like show this if you hide Row option?
What I did test filter works ok when both options are hidden.
I did not test your jQuery selector, but problem is that region where radio buttons exists are append using Ajax call.
When your onclick event fires, element are not in HTML document, and that is main reason why your jQuery solution do not work
Regards,
Jari
http://dbswh.webhop.net/dbswh/f?p=BLOG:HOME:0

Preloader and Document Class BIG question (yeap please help)

Hy,
I know that this its a question posted many, many times, but
after searching the net, reading a lot of books and searching this
forum too, I cant get out with a solution. If I'd say for sure
there is no possibility to create something like this, I just go
back to old methods but is not the scope of Adobe with AS3 to
encourage the use of OOP principle or not?
The problem:
I have a single fla file (AS3) with a single frame on
timeline, frame that its there when you will create the file with
flash. In the library I have different symbols, that for simplicity
are only jpg image, (BitmapData) checked for export for
ActionScript and exported on frame one. An external .as file called
DocumentClass its off course my Document Class
This its all that I want to do with the fla, the goal its to
create, animate etc. only with AS3 in external classes, no timeline
script. I don't want to load external files, XML, or else in this
movie. I just want a single swf after compilation, no additional
files.
Ok, how do I create a preloader that will take care of
starting the logic after the whole swf its loaded and in the same
time shows the user a percentage or a load bar or something that
its not the blank screen when the swf its downloading. I want to do
this without another swf that load this swf, or timeline scripts,
or place all the content on second frame and then gotoAndStop to
the third frame. All this are not solution but cheap tricks, that
are against all this OOP principle that I just continue to read in
books and here from guru programmers.
The big question is:
It is possible to create a preloader, when use a document
class with your fla? And if yes, how?
I know that the Document Class its not instantiated if its
not fully loaded, if that's true when the document class will be
fully loaded? maybe after the whole movie its loaded? And, if its
true, it will never show a percentage bar "while" the movie its
loaded. And if that's true WHY use a document class anyway?
Thank you for reading this and I really wait to get some
answer.

I am pretty sure you cannot do self preloader with one frame
and all the objects in the library. I guess the key here is
one-frame design. Screen refreshes (renders) only when all the
scripts in the frame are executed - this is a very important thing
to understand about how Flash works. Yes, you can force screen
refresh with updateAfterEvent() method but it is attached to a
handful of events only (MouseEvent and TimerEvent) but, again, all
this functionality is available only after first frame scripts are
executed. Thus, it seems like the only way to create preloader from
within SWF is to use multiple frames and set library objects to
load in later (not first) frame.
quote:
And if that's true WHY use a document class anyway?
Well, preloader is the last thing that would be on my mind in
terms of using AS3 ability to link DocumentClass to the top movie.
This feature allows for very sophisticated architectural
approaches. It has no connection to preloader as to any other
features developer wants to implement. Neither it depends on or
negates timeline. As a matter of fact, although I love one-frame
applications, I find on numerous occasions that my application
would be more efficient if I used several (at least two) frames.
gotoAndStop is not deprecated. It is a valid MovieClip class'
method. After all, having only one frame doesn't mean not having
frames at all - there is one already. Frames are fundament of
Flash. AS3 did introduce frameless entities like Sprite, etc. but
it doesn't mean that frames are going anywhere.
I would agree that timeline code is inferior to
classed/packaged (read: better organized) code but, still, how is
it not OOP? Frame is an Object, right? Why using timeline is cheap
and not a solution?
On a side note, I see too many times how some authors (and
managers) are pushing their agenda (or close mindedness) onto their
audience with no real substantiation. Claiming that timeline in
Flash is not valid architectural decision from OOP standpoint is
totally wrong. As wrong as strict adherence to design patterns. I
don't think there is sharply defined "right" or "wrong" in
programming. One finds the best optimal solution. The goal is to
create something that works fine. Unless, of course, the process is
the goal - but very few of us can afford focusing on the process.

Document class import question

I had wrote a previous post about output errors I was receiving when trying to load an xml photogallery. The error wer output errors only and ended up not effecting the swf (at least I didn't think so) after go ing nuts about a week I came across a post on another forum a few months back as someone else was asking the same question and it turns out someone else answered. It has to do with an external.as file, I know that the photogallery has other files that need to load besides the swf. the image, xml and a folder with 6 .as files.
SO I know that I was not importing those files to the swf I was calling the photogallery to load into and I now understand this but here is my question.
How do I import the 6 .as files as they sit in a folder called GS? Do I have to import each one separately thru the properties inspector?
rder

OK zip is here
http://www.mediafire.com/?eqmiyit4yi5
with the following files
main.fla / swf
folder swfs
(inside)
gallery1.fla,html,swf
gallery2.fla,html,swf
folder GS
(inside)
.as files various
folder load1
(inside)
xml, images
folder load2
(inside)
xml, images
main.swf calls the loader
problem:
galleries open and function but with output errors
I know it has something to do with importing the class paths .as files after each gallery is swapped out I should see an output message "gallery destroyed" but instead see null reference errors
any help in resolving this would be great
rdef

Classes intercommunication question

hello folks,
another newbie question:
I have a JDialog with 3 components:
pane with 2 JRadioButton's
JButton,
and JScrollPane with a JList in it
elements of a Jlist are of my own class A and I am rewriting its toString() method, so elements of my class are correctly displayed in JList.
Now here comes the question:
this toString() method must depend on what JRadioButton is selected in a JDialog.
how do I do it? should I send the JDialog reference to my Class constructor?
thanks

That's a pretty confusing question without any code to look at. My first reaction is to say to pass some argument (something unique about the JRadioButton that's selected) to your toString() method so it can choose what to return.

Simple selector question

Don't know why I can't figure this out, but In my html page I have the following simple text which are directions to an office:
<div id="maincontent">
   <p>FROM THE
        LONG ISLAND EXPRESSWAY: Get off at exit 37, Willis Ave. Then follow the directions below
    from the <font color="#FF3300">*</font>.<br />
        <br />
        FROM THE
        NORTHERN STATE: Going eastward, get off at exit 28S, Willis Ave. If going
        westward, get off at exit 28, Willis Ave. Then follow the directions below
    from the <font color="#FF3300">*</font>.<br />
    <br />
        <font color="#FF0000">*</font> Turn
        South onto Willis Ave. for approximately 3 miles. Cross over Jericho Tpk (Rt.
        etc. etc. etc. etc.
</p>
</div>
#maincontent p       is defined in an external css file and has the property text-align:center   and I did it this way since I use this in other pages on the site. However, on this particular page, I would like this p text to be left aligned. If I'm in the CSS portion of the property inspector, and select the text of the paragraph and then click on the left alignment icon in the property inspector, a box opens up where it asks me to define a new compund rule and asks me to name it, and gives me the starting point of      #maincontent p
My question is what should I type in this box as the name (which I'll use only in this page so I'll check that checkbox) so that I can then continue on and choose left aligned from the choices that follow. Thanks.

Here is the code for the page (line 72 is the line you had me put in and I've bolded it for you), and the css you told me was put at the very end of the external css file.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta name="format-detection"
content = "telephone=no"/>
<meta name="keywords"
    content="Autism, ADHD, ADD, Learning Disabilities, Dorie Hankin, Pediatric Development" />
<meta name="description"
    content="Child Development Associates" />

<title>Contact Us</title>

<link href="untitled.css" rel="stylesheet" type="text/css" />

<style type="text/css">

</style>

</head>
<body>
<h1>CHILD DEVELOPMENT ASSOCIATES </h1>
<div class="table">
<ul id="navbar">
<li><a href="index.html">HOME</a></li>
<li><a href="aboutdrhankin.html">ABOUT DR. HANKIN</a></li>
<li><a href="autism.html">AUTISM</a></li>
<li><a href="adhd.html">ADHD</a></li>
<li><a href="ld.html">LEARNING DISABILITIES</a></li>
<li><a href="faqs.html">FAQs</a></li>
<li><a href="resources.html">RESOURCES</a></li>
<li><a href="contactus.html">CONTACT US</a></li>
</ul>
</div>

<div id="maincontent">
   <p><br />
     <span class="style7">173 MINEOLA BLVD., SUITE 301<br />
      MINEOLA, NY 11501<br />
     (516) 739-1936
          <br />
          FAX (516) 747-1857<br />
     </span><br />
   <iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=173+Mineola+Boulevard,+Mineola ,+NY&aq=2&oq=173+min&sll=42.746632,-75.770041&sspn=7.373306,16.907959&ie=UTF8&hq=&hnear=17 3+Mineola+Blvd,+Mineola,+Nassau,+New+York+11501&t=m&z=14&ll=40.743982,-73.641607&output=em bed"></iframe><br />
   </p><p align="center">
   </p><p align="center"><small><a href="http://maps.google.com/maps?f=q&source=embed&hl=en&geocode=&q=173+Mineola+Boulevard,+Mineo la,+NY&aq=2&oq=173+min&sll=42.746632,-75.770041&sspn=7.373306,16.907959&ie=UTF8&hq=&hnear= 173+Mineola+Blvd,+Mineola,+Nassau,+New+York+11501&t=m&z=14&ll=40.743982,-73.641607";>View Larger Map</a></small>
     <br />
     <br />
   </p>
    <p class="align-left">FROM THE
        LONG ISLAND EXPRESSWAY: Get off at exit 37, Willis Ave. Then follow the directions below
    from the <font color="#FF3300">*</font>.<br />
        <br />
        FROM THE
        NORTHERN STATE: Going eastward, get off at exit 28S, Willis Ave. If going
        westward, get off at exit 28, Willis Ave. Then follow the directions below
    from the <font color="#FF3300">*</font>.<br />
    <br />
        <font color="#FF0000">*</font> Turn
        South onto Willis Ave. for approximately 3 miles. Cross over Jericho Tpk (Rt.
        25) and continue to Garfield Ave. (there is a church with a prominent steeple at this corner). Turn right onto Garfield Ave. and go one block to Mineola Boulevard. The building is diagonally in front of you across Mineola Blvd. Wait for the traffic light, drive across Mineola Blvd, and make an
    immediate left into the building's parking lot. Enter the building from the lot. <br />
    <br />
    FROM THE
        MEADOWBROOK : Get off at Old Country Rd. going towards Mineola. Travel along
        Old Country Rd. to Mineola Blvd. on the right (on the left will be Franklin
        Ave). Make a right onto Mineola Blvd. and continue until Garfield Ave. Make
        a left onto Garfield and then an immediate left into the parking lot of our
    building.<br />
    <br />
   If the
      lot is full, there is metered and alternate side parking on the streets. The
      are also multiple municipal lots off Mineola Blvd. within 2-3 blocks south
of the office at 1st and 2nd Aves. </p>
</div>

</body>
</html>

Class loader question

Hi,
I got NoClassDefFoundError and when I use ClasspathDebug jsp it shows that the class is loaded by "java.net.URLClassLoader". I put the jar file containing the class in <domain>/lib directory. According to docs the jar under <domain>/lib should be loaded by system class loader. what is "java.net.URLClassLoader"? why isn't system loader loading my class? I am using wls91. Thanks
weblogic.servlet.jsp.TagFileClassLoader
weblogic.utils.classloaders.ChangeAwareClassLoader
weblogic.utils.classloaders.GenericClassLoader
weblogic.utils.classloaders.GenericClassLoader
java.net.URLClassLoader
sun.misc.Launcher$AppClassLoader
sun.misc.Launcher$ExtClassLoader
Bootstrap classloader

I'm not sure from reply 2 whether you figured out what's going on or not. It sounds like you did, but just in case...
The null/primordial/bootstrap class loader loads classes in the core API--stuff it finds in the ext dir(s?) (e.g. rt.jar)--Object, String, java.util.*, java.sql.*, etc. It has no parent. It is the root of the normal delegating classloader tree.
The system classloader is the one that uses classpath to load your classes and 3rd party classes. Everything not in the core API, as long as neither you nor those other classes explicitly specify a different classloader.
The way the normal delegation mechanism works is that a request to load a class is first passed to the loader that loaded the current class. This loader first gives its parent a chance to load it, and so on up the tree to the primordial loader.
Once it hits the root (null/primordial/bootstrap), that classloader tries to load it. If it can't (and the primordial loader can't, in fact, load your class, since it's not in the ext dir), then it hands it back to its child. This continues down the line, with the parent getting first shot at loading, then the child trying if the parent fails.
The primordial loader (which loaded the JdbcOdbcDriver) can't load your class. It hands it back to its child--the system classloader--which can and does load it, using classpath.
I hope that answers any lingering questions, if there were in fact such questions.

Deploying multiple beans & support classes, related questions

I have an application that I'm trying to deploy to the latest JServer with Oracle 8i 8.1.6 on Windows 2000. We used JDeveloper to write the code and to deploy the EJBs. I have some questions and it'd be great if someone can answer them.
All documentation seem to indicate that beans must be deployed one at a time. Is this the case? If not, how?
If so, what is the "correct" way to deploy helper classes which are used by more than one bean?
Is there always only one instance of a class in the database, even though I might deploy the same helper class with different beans? If not, is there any mechanism to ensure consistency?
Can I just update a helper class in the database?
How do I see what classes are in the database? How do I manipulate them (e.g. delete, change, add, view size) ?
Is there an easy way to "clean out" the database of all classes, so as to start anew?
null

The Java-related documentation was that I was reading. I have a followup question. Is it possible for me to simply deploy some beans without regard for all the helper classes, then at a later point do a load java on all classes that I expect to use, and have it all work?
Thanks. You've been great help.
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by JDev Team (Laura):
Hi Gerald,
I will take a stab at answering your questions:
1. Are you talking about the JDeveloper doc, or the Oracle8i EJB doc?
2. When you create the Deployment Profile in JDeveloper using the Deployment Profile wizard, any classes your EJB depends on should get included in the deployment archive by the dependency analyzer. You can see the contents of what will be deployed by selecting the Preview button on the Sources page of the wizard.
If you want to explictly EXCLUDE a helper class because it has already been deployed with another bean, you can choose the Advanced button. Select one of the Library, archive, class pages on the Advanced dialog, and add the class to the Exclude list. Select OK, then check the Preview button again to make sure it was excluded.
If you are deploying a number of beans that user the same helper classes, the helper classes will get deployed with the first bean, and on subsequent deployments, the process will detect that the helper class has already been deployed and will check to see if it has changed since the last deployment. I believe it uses a timestamp comparison for this, but I'm not positive. If it detects the source and target are the same, it won't redeploy the class.
If you just want to update a helper class for the EJB, you can use the Java Stored Procedure deployment in the Deployment Profile Wizard, include the helper class in the deployment archive, and do not publish anything.
You can use the Database Browser in JDeveloper to see what deployed Java Classes, and EJBs are stored in your database. Double-click on the IIOP connection you used to deploy the EJBs (under the Connections node in the Navigator). This will display the Database Browser. Expand the appropriate nodes to view the deployed objects.
To see deployed Java Classes, double-click on a JDBC connection and expand the Schema node and then the Deployed Java Classes node.
Many operations are available from the context menus in the Database Browser, including Drop. Others you will have to perform from SQL*Plus or the command line. See the Oracle8i Java Developer's Guide for more information on SQL commands and command line syntax for altering Java objects in the database. This doc, and the EJB and CORBA Developer's Guide are available online from OTN on the Doc pages.
You can use dropjava to drop all classes that were deployed in a given deployment archive by specifying the name of the jar file used during deployment. Again, see the Java Developer's Guide for the syntax.<HR></BLOCKQUOTE>
null

Class design question: Can you have an enum of class objects?

Hi, thank you for reading this post!
We all know that an enum represents a set of constants, but sometimes a class has a restricted set of values as
well. My question is can we have an enum of objects.
Example:
We have a class named Coin
   A coin with a monetary value.
public class Coin implements Measurable
   private double value;
   private String name;
   public Coin(double aValue, String aName)
      value = aValue;
      name = aName;
   public double getValue()
      return value;
   public String getName()
      return name;
   public double getMeasure()
      return value;
}We all know that a coin has a set of values "Dollar" = 1.00, "Quarter" = 0.25, "Dime" = 0.10, "Nickel" = 0.05, and
"Penny" = 0.01.
Can we have an enum of Coins with Coin as a class at the same time?
If yes, how do we do this?
Thank you in advance for your help!
Eric

Maybe you want something like this:
public enum Coin implements Measurable {
     DOLLAR(1.00, "Dollar"),
     QUARTER(0.25, "Quarter"),
     DIME(0.10, "Dime"),
     NICKEL(0.05, "Nickel"),
     PENNY(0.01, "Penny")
     private double value;
     private String name;
     Coin(double aValue, String aName)
          value = aValue;
          name = aName;
     public double getValue()
          return value;
     public String getName()
          return name;
     public double getMeasure()
          return value;
}

Voice-Class Codec question

What is it meant by allowing g711 30ms and g729 60ms.. I know this has to do with the bytes per frames, but how would you put that in the voice-class codec command.. How do you come up with the the total of bytes to accomplish the task...?

i didt get your question,do you mean this?
voice class codec 101
codec preference 1 g729r8 bytes 40
codec preference 2 g723r63 bytes 48
codec preference 3 g723ar63 bytes 48

Interfaces vs classes (performance question)

I have three classes A, B and X.
Both A and B use X but they use different methods so I defined two interfaces for X: XA and XB.
This works fine but is not really necessary - so my question is does this affect performance in any way or is it just a compile time thing?
Thank you

TomsterG wrote:
dcminter wrote:
That's rarely a good design criterion - although if a class is difficult to work with, it indicates that there's probably something wrong with it.yes yes i know, all good points.
I really only wanted to know about the performance issues though :)I think you might want to find another site. I can tell that so far you are really not going to like it here.
You have a design that is broken. I suspected it in reply 1. Other said the same thing and when you said more about your problem it was confirmed. And now your response is "I really only wanted to know about the performance issues"?
Seriously. You are not going to like the replies you get on this site. We don't give a flying whatsit about performance issues when it comes at the cost of having a horrible design with classes with 100 methods. Because nobody here wants to maintain applications built on that abortion of a design so we all do our best to discourage that sort of thinking.
But your replies really suggest that you don't get it, you don't care and you think you are superior in your needs and ideas to anyone who might be interested in responding to your posts.
It's a waste of your time.

Class extends question

Hi Ive written a program in java3D and my class extends JFrame because i using swing for my GUI however i now want to use the mouse picking thing in java to click on shapes on my canvas which i see isnt 'too' hard but i cant now extend a second thing can i? is there a way around it? the code below is exactly what i want but it extends MouseAdapter which mine cant ?
import com.sun.j3d.utils.picking.*;
import com.sun.j3d.utils.universe.SimpleUniverse;
import com.sun.j3d.utils.geometry.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import java.awt.event.*;
import java.awt.*;
public class Pick extends MouseAdapter
private PickCanvas pickCanvas;
public Pick()
    Frame frame = new Frame("Box and Sphere");
    GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
    Canvas3D canvas = new Canvas3D(config);
    canvas.setSize(400, 400);
    SimpleUniverse universe = new SimpleUniverse(canvas);
    BranchGroup group = new BranchGroup();
    // create a color cube
    Vector3f vector = new Vector3f(-0.3f, 0.0f, 0.0f);
    Transform3D transform = new Transform3D();
    transform.setTranslation(vector);
    TransformGroup transformGroup = new TransformGroup(transform);
    ColorCube cube = new ColorCube(0.3);
    transformGroup.addChild(cube);
    group.addChild(transformGroup);
    //create a sphere
    Vector3f vector2 = new Vector3f(+0.3f, 0.0f, 0.0f);
    Transform3D transform2 = new Transform3D();
    transform2.setTranslation(vector2);
    TransformGroup transformGroup2 = new TransformGroup(transform2);
    Appearance appearance = new Appearance();
    appearance.setPolygonAttributes(new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_BACK,0.0f));
    Sphere sphere = new Sphere(0.3f,appearance);
    transformGroup2.addChild(sphere);
    group.addChild(transformGroup2);
    universe.getViewingPlatform().setNominalViewingTransform();
    universe.addBranchGraph(group);
    frame.addWindowListener(new WindowAdapter() {
       public void windowClosing(WindowEvent winEvent) {
          System.exit(0);
    frame.add(canvas);
    pickCanvas = new PickCanvas(canvas, group);
    pickCanvas.setMode(PickCanvas.BOUNDS);
    canvas.addMouseListener(this);
    frame.pack();
    frame.show();
public static void main( String[] args )
    new Pick();
public void mouseClicked(MouseEvent e)
    pickCanvas.setShapeLocation(e);
    PickResult result = pickCanvas.pickClosest();
    if (result == null)
       System.out.println("Nothing picked");
    else
       Primitive p = (Primitive)result.getNode(PickResult.PRIMITIVE);
       Shape3D s = (Shape3D)result.getNode(PickResult.SHAPE3D);
       if (p != null)
          System.out.println(p.getClass().getName());
       else if (s != null)
             System.out.println(s.getClass().getName());
       else
          System.out.println("null");
}

hi,
first, you don't have to extend JFrame (even it seems convenient), try to honor the composition over the inheritance. second, if you listen to key or mouse events, usually it's enough and perfectly ok to implement proper listener interface and then implement its methods (fulfill the contract).
what you did (extnding some mouse listener) i would assume that you're trying to implement a new mouse listener with specific behavior. but what you actually want is just to use it.
this question is "on the edge" since it involves some general design decisions (so it could be in java programming section) and at the same time it touches the j3d apis (so it can be here).
hope it helped;)

Class Character question!

when I was doing a small test for class Character, I got a problem, here is the code:
String a="Apple,
grape";
String tempString="";
for( int i=0; i<a.length(); i++){
char ch = a.charAt(i);
tempString += ch;
It doesn't work, since compiler will complain that there is no ';' after 'Apple'. I wonder how I do some change so that program know to read the next line?

J-Star:
Yes, I think I didn't ask a good question. could you please go to the message I post( Reader.skip() not work in my code? ) to see a related question?

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