Link javabean to GUI

How can I link the buttons in the GUI to a javabean, please give example!

You just need to have your bean instanciated and visible in the same scope as where you want to use it in your GUI.

Similar Messages

Adding link on SAP Gui logon page

Hi All,
I have the problem that I need to add a link on the SAP Gui logon page.
Within the transaction SE61 I have added the general text ZLOGIN_SCREEN_INFO.
When I click on the Insert Command I have the possibility to create a link but the char. format F4 list is empty and it does not accept the link creation without it being filled.
Does anybody have an idear?
Thank you for your help
Soeren

Hi Juan,
When I click on the Insert Command I have the possibility to create a link but the char. format F4 list is empty and it does not accept the link creation without it being filled.
Would you please comment on this ?
I have also seen the only possibility... but same issue...
Regards.
Rajesh Narkhede

Link in a GUI

Greetings,
I wish to add a link to my JAVA application program GUI. i.e. i will add a label representing my email address, so when a person clicks it, it automatically opens the computers email program eg. Outlook express with the email address placed in the To box.
Like a hyper link. How can I make a link to a website that way too?
Thank you,
RamboTango

Round your text string of JLabel <HTML>...</HTML>.
For example:
label = new JLabel("<HTML><B>Your Text</B>on label:</HTML>");
You my use close tags </B> or </HTML> or not use - as you wish.

Patterns for JavaBean and GUI interaction

Forgive the newbie feel to this question.
I have a number of JavaBeans-compliant classes for several entities that will end up persisted. I can use any of a number of technologies to persist these to a database or serialize to disk. If, now, I want to add a GUI for interaction with these beans, it seems there are at least a couple of ways to go. The first is to encapsulate the code for doing so in the bean itself, perhaps extending JComponent. The second is to make a "view" for each Bean that uses multiple PropertyChangeListeners(?) to/from the Bean to maintain state within the bean. The latter seems to separate the model from the view better.
I am curious from a design point-of-view how best to go about solving this generic problem. I have done similar things in other languages with varying degrees of satisfaction with the resulting maintainability of the resulting product. So, I am aiming for something that balances complexity with maintainability and flexibility (to change a view or to change the underlying model).
Thanks
Sean

Well, thanks for your reply. My program is kind of large to be entered online.
In any case, I tried again with the synchronized keyword for the method that accesses the shared member (between the two threads) and things look good now and I do not see the problem I was seeing earlier.
One question I have is w.r.t the usage of the synchronized keyword - can this be used for methods as well as members of a class ?
I mean for example, if I have a static variable declared in a class and this static needs to be accessed outside the declaring class in a different thread, then should this static member be declared as synchronized too?
Thanks.

How to link javabean with c using jni

I am doing a program about using jni to load a c .But when I was using jni with javabean, under tomcat, it didn't work . Please show me a way.
my code�F
/////TestJNI.java
package com.jsp;
public class TestJNI{
private byte[] cbuff={49,48,48,48,100,0x0};
public byte getchar(int i)
return cbuff;
public native int GetRandom(byte[] pRandom,int j);
static
System.loadLibrary( "TestJNI" );
public void Execute()
int r=GetRandom(cbuff,4);
/////BeanTest.jsp
<jsp:useBean id="TestJNI" scope="session" class="com.jsp.TestJNI">
</jsp:useBean>
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<%=TestJNI.getchar(4)%>;
<%
TestJNI.Execute();
%>
<br>
<%=TestJNI.getchar(4)%>
</body>
</html>
//////TestJNI.cpp
//TestJNI.cpp
#include"com_jsp_TestJNI.h"
#include<stdio.h>
JNIEXPORT jint JNICALL Java_com_jsp_TestJNI_GetRandom (JNIEnv *env, jclass, jbyteArray pRandom, jint j)
jsize size = env->GetArrayLength((jarray)pRandom);
jbyte *arrayBody    = (env)->GetByteArrayElements(pRandom,NULL);
jbyte buff[5];
buff[0]=31;
buff[1]=32;
buff[2]=33;
buff[3]=34;
buff[4]=35;
env->SetByteArrayRegion(pRandom,0,5,buff); // set byte[] values
return (jint)100;
I put TestJNI.class under directory com/jsp/�Cput TestJNI.dll under classes directory�B
erro information�F
java.lang.NoClassDefFoundError
     sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
     sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
     sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
     java.lang.reflect.Constructor.newInstance(Constructor.java:274)
     java.lang.Class.newInstance0(Class.java:308)
     java.lang.Class.newInstance(Class.java:261)
     java.beans.Beans.instantiate(Beans.java:204)
     java.beans.Beans.instantiate(Beans.java:48)
     org.apache.jsp.beantest_jsp._jspService(beantest_jsp.java:45)
     org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

You can test a normal Class(not a JNI call) invoking in BeanTest.jsp
1.If there is no problem it's most likely you can't get library path set in server enviroment
(here: System.loadLibrary( "TestJNI" ); )
2.If the same exception occurs ,you should check your webapps tree structure.
please refer to the 2 links if you can read chinese
http://www.chinaitlab.com/www/news/article_show.asp?id=36677
http://www.javaresearch.org/article/showarticle.jsp?column=1&thread=4653

Linking output to gui

Im trying to link the output text terminals contents to be displayed within the gui, is using a JtextArea the correct way to do this, and also is there a shortcut such as copying the contents straight into the gui window? ive checked the APi but have either overlooked or cant find an item to do this.
thanks!

If I understand you, there is no shot cut to using setText or append. One
handy method that is often overlooked is
read(Reader , Object )
Which would help copy from a file, but not from the console, unless stdin is
being redirected from a file :-)

How can you create a linked list? GUI?

I have the following program that I wrote:
package damagecounter;
import java.io.*;
import java.util.*;
public class Main
     public static void main (String[] args) throws Exception
          String logline;
          Player player1 = new Player("Kazzandar");
          try
               BufferedReader logfile = new BufferedReader(new FileReader("TeilmonRun.txt"));
               logline = logfile.readLine();
               while (logline != null)
                    if (logline.startsWith (player1.getName (), 0))
                         if (logline.contains ("recites"))
                              player1.recites++;
                         if (logline.contains ("rescues"))
                              player1.rescues++;
                         if (logline.contains ("utters the words"))
                              player1.spells++;
                         if (logline.contains ("sprawling with a powerful bash."))
                              player1.bashes++;
                         if (logline.contains ("got toasted by"))
                              player1.deaths++;
                         if ((logline.contains ("-=")) && (logline.contains ("=-")))
                              if (logline.startsWith (player1.getName (), 0))
                                   String damage = logline.substring(logline.indexOf ("-=") + 2 , logline.indexOf ("=-"));
                                   player1.setDamage (Integer.parseInt (damage));
                    logline = logfile.readLine ();
          catch (Exception e)
               System.out.println ("Log file not found or corrupt.");
               e.printStackTrace();
          player1.printStats();
}As of right now the code require a person to enter the name of a player and then scans the log file to determine the appropriate counts for that player. If I want to scan the file for multiple players how would I be able to do that without having to run the program over and over. The reason being that sometimes the logs have over 15 different players and I'd hate to have to run the program 15 times to get each players stats. Any suggestions? Would I have to make a linked list?

Yes, the log file looks something like that. Here is a small 15 line version of what the log file actually looks like:
Kazzandar's stab misses Icingdeath. -=0=-
Arien's slash >>> ANNIHILATES <<< Icingdeath! -=118=-
Arien's slash >>> ANNIHILATES <<< Icingdeath! -=112=-
Arien's slash <<< ERADICATES >>> Icingdeath! -=158=-
Parrish utters the words, 'yjrr pzar'.
Arien rescues Shargaas!
Kazzandar's counterattack does UNSPEAKABLE things to Icingdeath! -=636=-
Icingdeath's claw does UNSPEAKABLE things to Arien! -=760=-
Arien's fireball scratches Icingdeath. -=4=-
Arien's lightning bolt grazes Icingdeath. -=7=-
Arien's counterattack -- DESSICATES -- Icingdeath! -=540=-
Icingdeath's claw COMPLETELY TRASHES Arien! -=802=-
Arien is DEAD!
Kitiara's fireball grazes Icingdeath. -=5=-
Kitiara's lightning bolt grazes Icingdeath. -=8=-
Almost always the player name is first but sometimes the "mob" name (In this case Icingdeath) comes out. I don't mind if Icingdeath is referenced as a player and included in the stats, not that big a deal. Thanks for the idea on the HashMap I'll looking into how it works. Since this is my first Java program I often find myself lost at where to begin.
I changed "got toasted by" to "is DEAD!" since it's easier to read. I also changed the majority of the main code into a method for the player class. The main code looks like this now:
public static void main (String[] args) throws Exception
          Player player1 = new Player("Shargaas");
          player1.scanLogForStats("TeilmonRun.txt");
          player1.printStats();
     I was hoping this would make it easier, anyway, thanks again and I'll definitely be looking into HashMap.

Can i put a link in a GUI that will open in Explorer?

Hi all,
Just wondering if it would be possible for me to add to action listener to something that would allow me to open a link whenever it was clicked on? not really sure where to start looking for this so any help would be great.
Cheers

Well, if you specifically know the name of the application in question and how it accepts parameters, you can try using Runtime.exec()
If you're willing to sacrifice platform independence (which it sounds like you are, since you specifically mentioned Explorer), you can try using the NTVDM "call" command, which taps into the file associations in the registry and launches the appropriate application.
I guess it would depend on the exact functionality you want. :)

How do i create a GUI which links to other GUI's by pressing a JButton

hi;
i am trying to write a small program which reads a text file and which can update and save to the
file as well as just view it. This i can do, but, i intend to create a main GUI from which you can
select JButtons which will bring up different GUI's depending on which JButton has been pressed.
i.e. one GUI for viewing certain data, another for updating the file etc....
is this possible? and if so, how?
cheers
IK

I did something similar. I had a Dialog which used the BorderLayout, the North was a title/section info, the Center part was to be changed on a button click to a different panel, the South was navigation like Next, Back, and Cancel/Finish. I got everything to work, but when I clicked the button and the method updated the center panel, it would not change to the new panel. I never figured out why it didnt do it.

Linking "ant" project with GUI

Hello,
I have an "ant" project (is a speech recognition system) that I want to link to a GUI. I did not make the "ant" project but I know how to use it; I have no experience working with "ant" projects or files.
Does anyone have any ideas? or, Does anyone have a link where I can learn more about "ant"? I'm using netbeans for my application. I googled ant but have not found anything that can help; I'll keep googling but suggestions are appreciated.

I googled ant but have not found anything that can help; I'll keep googling but suggestions are appreciated.http://ant.apache.org/
~

How to make site root-relative links work in DW and Server both?

See details on buggy DW image link behavior, below. My question is:
1) how to make site root-relative links work in DW and Server both? Or…
2) how to reliably automate the change of several hundred legacy root-relative links of the form
/images/image.jpg to document-relative?
That is, to
../images/image.jpg or
../../images/image.jpg or
../../../images/image.jpg etc…depending on where the directory is.
The old format (/images/image.jpg ) used to work fine in my previous DW 8 configuration but appear grey in DW after “upgrading” to DW cs5.5 mac. (they look fine on the server, but it’s hard to edit image-heavy pages locally when they are all grey).
I tried changing the files to how DW creates root relative links now:
/public_html/images/image.jpg, which is a very easy, attractive root flow since there’s a one-to-one mapping. These look great in DW but are broken on the server!
I looked at the “advanced” site setup, and it looked like it might be possible to nuke the /public_html/ part of my server info…but it also looked like there was the potential for doing damage changing these settings, which are automatically generated from our server connection settings, which seem to work.
The “links relative to document/ site root” toggle…does that change how DW interprets existing links, or just change the default when you are adding a link? I have made 80% of the file links document relative…before wondering if root-relative isn’t better?
It sure seems less ambiguous for all those images if theres a way to make root relative work for DW design view, DW link check, and server.
Summary of buggy behavior: (see test with images here)
"old style" site root link
      /images/img_book/WScover120x150_NEW.jpg
      Design veiw in DW: broken (grey w/ broken icon)
      Link check in DW: "external link" (i.e., uncheckable, + file could appear orphaned)
      Browser: good
      Ease of switching: n/a (existing format)
"new style" site root relative link
      /public_html/images/img_book/WScover120x150_NEW.jpg
      Design veiw in DW: good
      Link check in DW: good
      Browser: broken
      Ease of switching: easy
Document relative link
      ../../images/img_book/WScover120x150_NEW.jpg
      Design veiw in DW: good
      Link check in DW: good
      Browser: good
      Ease of switching: hard (how to automate?)
Absolute link
      http://www.oasisdesign.net/images/img_book/WScover120x150_NEW.jpg
      Design veiw in DW: broken (grey w/ broken icon)
      Link check in DW: external (i.e., uncheckable, + file could appear orphaned)
      Browser: good
      Ease of switching: n/a...not a real option
Thanks!
Similar discussion on "/"

Hello again Jon!
Thanks for jumping on this.
All clear and understood about where publc_html is etc.
No contemplation of nuking the actual public_html directory on the server, just the "/public_html" text string at the start of the DW-generated links.
"/public_html" is automatically added to the front of the link in DW if I create the link with any of the GUI tools, if I have "site root relative" selected. And ""/public_html" ends up in the code, and gets uploaded that way to the server, where it (obviously) doesn't work.
Doesn't sound like it is supposed to work this way. Also, what seems to be the usual root relative format (/images/image.jpg) shows as a broken link in the GUI and an external link in the DW link check. All this togther makes me thinkI have some obscure setting incorrect?
The setting that caught my eye is manage sites/ site setup/ advance settings/ local info/ web url, which is automatically set to http://www.oasisdesign.net/public_html/
it gives an option to change it but it makes every effort to make this NOT look like something users should mess with:
Having gone through the more careful thought process during this post, I'm ready to do the experiment of changing the remote server web URL (why is it wrong by default?)...think I'll eat dinner first so there's 45 min to avert disaster if anyone knows this to be a bad idea!
Art
PS--don't have a local testing server...don't think this will solve the GUI broken link/ link shows as external problems.
Is there an easy, automated way to change links sitewide from document to root relative?

WebDynpro proxy page with Webdynpro iView and SAP Gui for html iView

Hello,
I have a requirement to have a page that has at the top of it a webdynpro for java iView screen with several links that when pressed pop-up various data pulled from the back-end. This part is fine and presents no problem. Beneath this the requirement calls for a SAP Gui for HTML iView to be displayed. Which is no problem either. The problem occurs when one of the links in the java webdynpro application at the top of the screen is pressed it causes the SAP Gui for HTML portion to refresh and come back to the beginning. So for example you first navigate to this screen and you go into the sap gui for html portion and drill into 2 or 3 screens in the sap gui for html transaction. If you then press one of the webdynpro links the sap gui for html (which is a separate iView) refreshes and you are taken back to the initial screen. This only occurs when using a web dynpro proxy page. If I use a standard page the SAP Gi for html does not refresh. Unfortunately there are other things not mentioned here that require us to use the webdynpro proxy page.
Any help is greatly appreciated,
Bert

Use System admin -> System Config and find your system in the PCD (under portal content). Right click and open -> permissions. Find a user or group or role and give it the end user permission. I'd suggest the group Everyone.
Cheers

HTML link in a Java?

Hya,
How can create a HTML link in Java GUI, for example in a JLabel?
thanks inadvance

I'm not quite sure but i think if you add addHyperlinkListener to the jlable it will be seen as a link.
Have a look at this code example:
try {
        String url = "http://www.google.com";
        JEditorPane editorPane = new JEditorPane(url);
        editorPane.setEditable(false);
        editorPane.addHyperlinkListener(new MyHyperlinkListener());
    } catch (IOException e) {
    class MyHyperlinkListener implements HyperlinkListener {
        public void hyperlinkUpdate(HyperlinkEvent evt) {
            if (evt.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                JEditorPane pane = (JEditorPane)evt.getSource();
                try {
                    // Show the new page in the editor pane.
                    pane.setPage(evt.getURL());
                } catch (IOException e) {
    }

Quickly change visited link color across website?

Hey ya'll,
Is there a automagical way to change visited hyperlink color on my whole iWeb site in one fell swoop in other words anything faster than tediously changing each link through the GUI?
Thanks!

Not across the entire site but for one page I've found that if I click on the Use for New Links on Page button for one link all of the hyperlinks for that page will be converted to its color scheme. But it has to be for all the colors, normal, rollover and visited. Don't know of any way to change just the visited color for many links at a time.
Click to view full size
This won't work for the navbar links.
OT

Code examiner

I've been asked to something a little unusual here at my job. We use the Javabeans pattern (where you have getter and setter methods that expose certain values, so they can be linked in a GUI, and have their properties change when other properties change). Some of the properties are read-only: only the getXXX() method is public. These change the property based on internal things that happen or when another property gets set.
Others should be read-only, but aren't. They change properties internally, but also have a public setXXX() method to change that property. That means that people that use the tools can set those properties to other things and the value of the property changes, based on the order in which certain properties get set. It becomes arbitrary.
I've been asked to write some code to examine our code and find properties with public setXXX() methods, and find if those methods get called from within the class. It'll also search for firePropertyChange methods that change those properties. I was going to use Perl for this, since it's text processing, but it's going to be a pain, and I'm not sure if I'll be able to get accurate results without some really complex code.
Does anyone know of a better solution than a Perl script for this? Are there any libraries to parse code that would make this simpler?

Thanks for the quick answer.
The problem is that I have to see if any of those methods (setXXX() or firePropertyChange("XXX",,)) get called in the code anywhere, so it seems like I'm going to have to parse the code, unless there's a better way to do so.
I have to see if properties get set because of changes within the object, or if they can only get set from an external source.
For example, a JTextField has the font property. The only way the font property will change is if the setFont method gets called. The text property, though, will change if the user types text into the field. That happens without something else calling the setText property.

Link javabean to GUI

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