How to call a method in backing bean on hitting 'Enter' key on a page.

Hi all,
I would be obliged if any one can provide me solution for the below given problem.
My requirement is to call a method in backing bean when i hit 'Enter' key on a JSP page.
I am trying this by using a script given below.
*function fnChangeFocus(){*
*if(window.event.keyCode==13){*
* document.getElementById("mainform:submitForm:commandbutton").focus();*
The JSP has the textbox as given below.
*<h:inputText id="inputtxtboxid" disabled="false" value="#{Bean.inputvalue}"*
onkeypress="fnChangeFocus()" size="24" />
Using this I could not acheive the required functionality. Please suggest some alternative.
Thanks,
Jagadeesh Pala

Only a form element supports the submit() function. Make sure that the getElementById returns the appropriate form. Or rather pass the element as the 'this' reference to the function and get the parent form from it.
After all this is just basic DHTML / Javascript+DOM knowledge and in fact this has nothing to do with JSF. For future basic DHTML / JS+DOM questions you may take a look at the appropriate forums, e.g. dhtmlcentral.com, dynamicdrive.com, etcetera.

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Caused by: java.net.SocketException: Connection reset by peer: socket write erro
r
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te(InternalOutputBuffer.java:764)
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13:54:42,805 ERROR [STDERR] ClientAbortException: java.net.SocketException: Con
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13:54:42,805 ERROR [STDERR]      at org.apache.catalina.connector.OutputBuffer.realW
riteBytes(OutputBuffer.java:358)
13:54:42,805 ERROR [STDERR]      at org.apache.tomcat.util.buf.ByteChunk.flushBuffer
(ByteChunk.java:434)
13:54:42,805 ERROR [STDERR]      at org.apache.catalina.connector.OutputBuffer.doFlu
sh(OutputBuffer.java:309)
13:54:42,805 ERROR [STDERR]      at org.apache.catalina.connector.OutputBuffer.flush
(OutputBuffer.java:288)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.connector.Response.flushBuff
er(Response.java:542)
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View(ViewHandlerImpl.java:202)
13:54:42,820 ERROR [STDERR]      at org.ajax4jsf.framework.ViewHandlerWrapper.render
View(ViewHandlerWrapper.java:101)
13:54:42,820 ERROR [STDERR]      at org.ajax4jsf.framework.ajax.AjaxViewHandler.rend
erView(AjaxViewHandler.java:222)
13:54:42,820 ERROR [STDERR]      at com.sun.faces.lifecycle.RenderResponsePhase.exec
ute(RenderResponsePhase.java:106)
13:54:42,820 ERROR [STDERR]      at com.sun.faces.lifecycle.LifecycleImpl.phase(Life
cycleImpl.java:251)
13:54:42,820 ERROR [STDERR]      at com.sun.faces.lifecycle.LifecycleImpl.render(Lif
ecycleImpl.java:144)
13:54:42,820 ERROR [STDERR]      at javax.faces.webapp.FacesServlet.service(FacesSer
vlet.java:245)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.ApplicationFilterChain.
internalDoFilter(ApplicationFilterChain.java:290)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.ApplicationFilterChain.
doFilter(ApplicationFilterChain.java:206)
13:54:42,820 ERROR [STDERR]      at com.hds.vc.common.infrastructure.AIMFilter.doFil
ter(AIMFilter.java:27)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.ApplicationFilterChain.
internalDoFilter(ApplicationFilterChain.java:235)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.ApplicationFilterChain.
doFilter(ApplicationFilterChain.java:206)
13:54:42,820 ERROR [STDERR]      at org.jboss.web.tomcat.filters.ReplyHeaderFilter.d
oFilter(ReplyHeaderFilter.java:96)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.ApplicationFilterChain.
internalDoFilter(ApplicationFilterChain.java:235)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.ApplicationFilterChain.
doFilter(ApplicationFilterChain.java:206)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.StandardWrapperValve.in
voke(StandardWrapperValve.java:230)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.StandardContextValve.in
voke(StandardContextValve.java:175)
13:54:42,820 ERROR [STDERR]      at org.jboss.web.tomcat.security.SecurityAssociatio
nValve.invoke(SecurityAssociationValve.java:179)
13:54:42,820 ERROR [STDERR]      at org.jboss.web.tomcat.security.JaccContextValve.i
nvoke(JaccContextValve.java:84)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.StandardHostValve.invok
e(StandardHostValve.java:128)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.valves.ErrorReportValve.invo
ke(ErrorReportValve.java:104)
13:54:42,820 ERROR [STDERR]      at org.jboss.web.tomcat.service.jca.CachedConnectio
nValve.invoke(CachedConnectionValve.java:156)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.core.StandardEngineValve.inv
oke(StandardEngineValve.java:109)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.connector.CoyoteAdapter.serv
ice(CoyoteAdapter.java:241)
13:54:42,820 ERROR [STDERR]      at org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:844)
13:54:42,820 ERROR [STDERR]      at org.apache.coyote.http11.Http11Protocol$Http11Co
nnectionHandler.process(Http11Protocol.java:580)
13:54:42,820 ERROR [STDERR]      at org.apache.tomcat.util.net.JIoEndpoint$Worker.ru
n(JIoEndpoint.java:447)
13:54:42,820 ERROR [STDERR]      at java.lang.Thread.run(Unknown Source)
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t by peer: socket write error
13:54:42,820 ERROR [STDERR]      at java.net.SocketOutputStream.socketWrite0(Native
Method)
13:54:42,820 ERROR [STDERR]      at java.net.SocketOutputStream.socketWrite(Unknown
Source)
13:54:42,820 ERROR [STDERR]      at java.net.SocketOutputStream.write(Unknown Source
13:54:42,820 ERROR [STDERR]      at org.apache.coyote.http11.InternalOutputBuffer$Ou
tputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:764)
13:54:42,820 ERROR [STDERR]      at org.apache.coyote.http11.filters.ChunkedOutputFi
lter.doWrite(ChunkedOutputFilter.java:124)
13:54:42,820 ERROR [STDERR]      at org.apache.coyote.http11.InternalOutputBuffer.do
Write(InternalOutputBuffer.java:570)
13:54:42,820 ERROR [STDERR]      at org.apache.coyote.Response.doWrite(Response.java
:560)
13:54:42,820 ERROR [STDERR]      at org.apache.catalina.connector.OutputBuffer.realW
riteBytes(OutputBuffer.java:353)
13:54:42,820 ERROR [STDERR]      ... 33 more
Please throw some light on this issue.

This is the Java script I am using
function submitForm(e){
     var characterCode
     if(e && e.which){
     e = e
     characterCode = e.which
     }else{
     e = event                    characterCode = e.keyCode
     if (characterCode== 13){
     document.getElementById('mainform:submitForm:search').onclick();
Regards,
Jagadeesh
Edited by: Jagadeesh.Pala on Oct 1, 2007 3:59 AM

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dlg.setModal(true);
dlg.show();
//Overridden so we can exit on System Close
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if(e.getID() == WindowEvent.WINDOW_CLOSING) {
fileExit_actionPerformed(null);
public void result(final String msg) {
// C�digo para mudar a interface
Runnable setTextRun=new Runnable() {
public void run() {
try {
               System.out.println("main ---> Chamou o m�todo result para mudar a interface");
System.out.println("main --> Mensagem que veio do agora para main: "+ msg);
TStatus.setText(msg);
catch(Exception x) {
x.printStackTrace();
System.out.println("main --> About to invokelater");
SwingUtilities.invokeLater(setTextRun);
System.out.println("main --> Back from invokelater");
[]�s.

How to call a method in jsf after stop typing in test box?

Hi all,
In my jsf page i have a text box in which user type some text field like "abc". i want after stop the typing i want a method to be called automatically and a datatable will be populated sith some result. my problem is is how to call the method automatically so that the user does not have to click any button after typing in the text box? plz help..
Edited by: sailajoy on Dec 23, 2008 3:36 PM

If it is after certain characters that the user types you can ascertain that the entry is done you can use onkeyup and within the javascript count the characters an when the necessary characters are set do the action you need to do.
There should be some way by which you can suggest that the user has stopped typing i.e. either the max length has reached or the user has hit tab or went to another field. Going on other field too you can bring the focus back to your original field from where the user had hit tab. If you are thinking of something liek google suggest then AJAX is the best way to implement it.

How to call java method from workflow script?

Hi
I have a requirement of updating field value 'Document Status' based on review/approve of content from Workflow and hence need to update the version number. For that I need to call my java method from workflow during submit of review/approve condition. Please let me know how to call java method from workflow?
Is there any alternative better way to achive this requirement from workflow? Please suggest.
Thanks,
Sarang

OK. So, I think we can all conclude that you don't need to call any Java method, can't we? And, that wfUpdateMetadata is the command that will update your metadata.
Now, the question is what are its arguments. It has two - the first is the name of a custom metadata field to be updated (let's suppose that one field is called xMinorVersion, and the other xMajorVersion), the other is the new value, e.g. <$wfUpdateMetaData("xMinorVersion", "New value.")$>As for new value - do you insist on using strings? Since you want to increase the value, it would be more convenient to work with numbers. For instance, with integers you could go with <$wfUpdateMetaData("xMinorVersion", xMinorVersion + 1)$>With strings you will need to convert it to numbers and back to strings. Besides, what happens if you have more than 100 minor versions? (you mentioned you want to add 0.01, but that would finally increase the major version, wouldn't it?) So, I think these two numbers are independent (perhaps, with exception that increase on the major version set the minor version to .00).
If you want to present it, you can use profiles that will construct for you the representation 2.304 out of MajorVersion = 2, MinorVersion = 304
Solved?

Calling a method in a bean when i clcked on the radio button of a table

Hi,
I need to call a method in the bean when i clicked on the radio button of a table
I tried it , by callling the method in selectionListener..
I can able to execute only System.out.prinln method,
rather than that i am unable to execute any other expression..
like setting rendering property to a component.
Thanks in advance,

Hi,
what you say is not true. You can execute any code within a selection listener you want. If you can print then it shows the method s called and you can execute whatever you want within this method
Frank

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