Great - you're welcome :) 2010/5/18 Bruno Aranda <[email protected]>
> Oh yes, you are right. I simplified too much my original problem (I am not > using requestScope in that one). Back to the drawing board hehe. Thanks > Jakob :) > > I have updated the live code, and yes, it works perfectly as you say. > > Bruno > > On 18 May 2010 13:02, Jakob Korherr <[email protected]> wrote: > > > Hi Bruno, > > > > The problem in your counter sample is that you are setting the rendered > > property in the requestScope. This means that the button will be rendered > > for the ajax request executed by your "Show counter button" > commandButton, > > but afterwards (in any following request) its rendered property again is > > false. Thus it will not be executed by any following request and this is > > the > > reason it doesn't work. However it is not removed from the HTML page, > > because your ajax actions only render the counter. > > > > You can change this behavior by e.g. setting the rendered property in > > sessionScope. Then it works perfectly - I just tried it myself! > > > > Regards, > > Jakob > > > > 2010/5/18 Bruno Aranda <[email protected]> > > > > > Mmh, forget the sample code for the page... copy paste error, this is > the > > > one: > > > > > > ?xml version="1.0" encoding="ISO-8859-1" ?> > > > <!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"; > > > xmlns:h="http://java.sun.com/jsf/html"; > > > xmlns:f="http://java.sun.com/jsf/core"; > > > xmlns:ui="http://java.sun.com/jsf/facelets"; > > > xmlns:testComposite="http://java.sun.com/jsf/composite/testComposite"; > > > > > > > <h:head> > > > </h:head> > > > <h:body> > > > <h:outputStylesheet name="basic.css"/> > > > <h1>Counter example</h1> > > > <h:messages/> > > > > > > <h:form prependId="false"> > > > > > > <h:outputText id="counter" value="Counter: > > > #{counterBean.count}"/> > > > > > > <hr/> > > > > > > <h:commandButton value="Show counter button"> > > > <f:ajax event="click" render="controlPanel"/> > > > <f:setPropertyActionListener value="#{true}" > > > target="#{requestScope.renderPanel}"/> > > > </h:commandButton> > > > > > > <h:panelGroup id="controlPanel"> > > > <h:commandButton value="Increment" > > > rendered="#{requestScope.renderPanel}" > > > > > actionListener="#{counterBean.increment}"> > > > <f:ajax event="click" render="counter"/> > > > </h:commandButton> > > > <h:commandButton value="Increment (Visible)" > > > > > actionListener="#{counterBean.increment}"> > > > <f:ajax event="click" render="counter"/> > > > </h:commandButton> > > > </h:panelGroup> > > > > > > </h:form> > > > </h:body> > > > </html> > > > > > > Cheers, > > > > > > Bruno > > > > > > On 18 May 2010 12:00, Bruno Aranda <[email protected]> wrote: > > > > > > > Hi again, > > > > > > > > I have been trying to identify where my problem is. I have come with > > this > > > > little example. I have a counter that is incremented using a button. > If > > > the > > > > button has been rendered by a PPR, the actionListener is not invoked, > > > > whereas if the button was rendered from the start everything works > > fine. > > > > > > > > You can see what I mean here (temporarely, I will stop the server at > > some > > > > point): > > > > > > > > http://elmoska.com:8080/test-webapp/ajaxAndListener.jsf > > > > > > > > This is the sample code: > > > > > > > > <?xml version="1.0" encoding="ISO-8859-1" ?> > > > > <!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"; > > > > xmlns:h="http://java.sun.com/jsf/html"; > > > > xmlns:f="http://java.sun.com/jsf/core"; > > > > xmlns:ui="http://java.sun.com/jsf/facelets"; > > > > xmlns:testComposite=" > http://java.sun.com/jsf/composite/testComposite"; > > > > > > > > > <h:head> > > > > </h:head> > > > > <h:body> > > > > <h:outputStylesheet name="basic.css"/> > > > > <h1>Myfaces Examples</h1> > > > > <h:messages/> > > > > > > > > <h:form id="form"> > > > > <testComposite:compositeCar car="#{carBean.cars[0]}" > > > > owner="#{carBean.owner1}"/> > > > > > > > > </h:form> > > > > </h:body> > > > > </html> > > > > > > > > And the backing bean: > > > > > > > > package org.apache.myfaces.counter; > > > > > > > > import javax.faces.bean.ManagedBean; > > > > import javax.faces.bean.SessionScoped; > > > > import javax.faces.event.ActionEvent; > > > > import javax.faces.model.SelectItem; > > > > import java.io.Serializable; > > > > import java.util.ArrayList; > > > > import java.util.List; > > > > > > > > @ManagedBean > > > > @SessionScoped > > > > public class CounterBean implements Serializable > > > > { > > > > private int count; > > > > > > > > public int getCount() { > > > > return count; > > > > } > > > > > > > > public void setCount(int count) { > > > > this.count = count; > > > > } > > > > > > > > public void increment(ActionEvent actionEvent) { > > > > count++; > > > > } > > > > } > > > > > > > > Is this expected? I don't really know what is expected and what is > > don't > > > > these days :) > > > > > > > > Can provide a svn patch for the test-webapp sample project if > needed... > > > but > > > > is basically adding the code above and registering the bean via > > enabling > > > the > > > > scan context-param or adding it to the faces-config... > > > > > > > > Thanks, > > > > > > > > Bruno > > > > > > > > > > > > > > > > On 14 May 2010 18:13, Jakob Korherr <[email protected]> wrote: > > > > > > > >> You're welcome! > > > >> > > > >> OK, great. If you have a way to reproduce it, I can take a look at > it. > > > >> > > > >> Regards, > > > >> Jakob > > > >> > > > >> 2010/5/14 Bruno Aranda <[email protected]> > > > >> > > > >> > I guess that would work too for that example, but for some reason > > > >> c:forEach > > > >> > is not working for me at the moment (using JSP/EL 2.2). I will > > > >> investigate > > > >> > that later... > > > >> > > > > >> > Bruno > > > >> > > > > >> > On 13 May 2010 17:52, Mark Struberg <[email protected]> wrote: > > > >> > > > > >> > > Maybe I'm on the completely wrong track, but does it work with > > > >> c:forEach? > > > >> > > > > > >> > > LieGrue, > > > >> > > strub > > > >> > > > > > >> > > --- On Thu, 5/13/10, Jakob Korherr <[email protected]> > > wrote: > > > >> > > > > > >> > > > From: Jakob Korherr <[email protected]> > > > >> > > > Subject: Re: Problem with composite component inside ui:repeat > > > >> > > > To: "MyFaces Discussion" <[email protected]> > > > >> > > > Date: Thursday, May 13, 2010, 4:08 PM > > > >> > > > Hi Bruno, > > > >> > > > > > > >> > > > This sounds like a bug. I will investigate it! > > > >> > > > > > > >> > > > Regards, > > > >> > > > Jakob > > > >> > > > > > > >> > > > 2010/5/13 Bruno Aranda <[email protected]> > > > >> > > > > > > >> > > > > Hi, > > > >> > > > > > > > >> > > > > I am having some problems to understand this case: > > > >> > > > > > > > >> > > > > I have a composite component inside a ui:repeat. > > > >> > > > Something like this: > > > >> > > > > > > > >> > > > > <ui:repeat value="#{testController.objects}" > > > >> > > > var="obj"> > > > >> > > > > > > > >> > > > <myComposite:myComp /> > > > >> > > > > </ui:repeat> > > > >> > > > > > > > >> > > > > And the implementation of the component contains > > > >> > > > this: > > > >> > > > > > > > >> > > > > <composite:implementation> > > > >> > > > > <h:commandButton value="Say something" > > > >> > > > actionListener="#{cc.sayHello}"> > > > >> > > > > <composite:implementation> > > > >> > > > > > > > >> > > > > And I have the corresponding faces component with the > > > >> > > > "sayHEllo" > > > >> > > > > actionListener method. > > > >> > > > > > > > >> > > > > However, I get an exception saying that "cc.sayHello" > > > >> > > > cannot be executed > > > >> > > > > because "cc" is null for that request. > > > >> > > > > > > > >> > > > > Everything works as expected outside the ui:repeat, so > > > >> > > > it seems that for > > > >> > > > > some reason the "cc" is lost after the first request? > > > >> > > > Or is this expected > > > >> > > > > and I am doing something wrong? > > > >> > > > > > > > >> > > > > Thanks! > > > >> > > > > > > > >> > > > > Bruno > > > >> > > > > > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > -- > > > >> > > > Jakob Korherr > > > >> > > > > > > >> > > > blog: http://www.jakobk.com > > > >> > > > twitter: http://twitter.com/jakobkorherr > > > >> > > > work: http://www.irian.at > > > >> > > > > > > >> > > > > > >> > > > > > >> > > > > > >> > > > > > >> > > > > >> > > > >> > > > >> > > > >> -- > > > >> Jakob Korherr > > > >> > > > >> blog: http://www.jakobk.com > > > >> twitter: http://twitter.com/jakobkorherr > > > >> work: http://www.irian.at > > > >> > > > > > > > > > > > > > > > > > > > -- > > Jakob Korherr > > > > blog: http://www.jakobk.com > > twitter: http://twitter.com/jakobkorherr > > work: http://www.irian.at > > > -- Jakob Korherr blog: http://www.jakobk.com twitter: http://twitter.com/jakobkorherr work: http://www.irian.at
