I want update subcomponent with id="two". Everything is working until i put form in another component like h:panelGrid.
<h:panelGroup id="one">
<h:panelGroup id="two">
<h:outputText value="#{testBean.num}"/>
</h:panelGroup>
</h:panelGroup>
<br/>
<h:panelGrid columns="1">
<h:form>
<p:commandButton value="update"
action="#{testBean.inc()}"
update=":one:two"
ajax="true"
/>
</h:form>
</h:panelGrid>
In this case i am getting:
SF1073: java.lang.IllegalArgumentException caught during processing of RENDER_RESPONSE 6 : UIComponent-ClientId=, Message=one
What is wrong ?
PS: update=":one" is works, but i dont want update whole "one" component.
Here is a full code.
xhtml page:
<?xml version='1.0' encoding='UTF-8' ?>
<!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://xmlns.jcp.org/jsf/html"
xmlns:p="http://primefaces.org/ui">
<h:head>
<title>Facelet Title</title>
</h:head>
<h:body>
<h:panelGroup id="one">
<h:panelGroup id="two">
<h:outputText value="#{testBean.num}"/>
</h:panelGroup>
</h:panelGroup>
<br/>
<h:panelGrid columns="1" id="table">
<h:form id="form">
<p:commandButton value="update"
action="#{testBean.inc()}"
update=":one:two"
ajax="true"
/>
</h:form>
<!-- .....another components .... -->
</h:panelGrid>
</h:body>
</html>
the bean:
#Named
#ViewScoped
public class TestBean implements Serializable{
private int num;
public void inc() {
System.out.println("inc");
num++;
}
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
}
This very unhelpful error is caused by your invalid update syntax: :one:two first tries to look up one as a NamingContainer (see Communications in JSF 2.0). If it finds the component, but it isn't a NamingContainer, it throws the exception you're seeing.
To fix this, simply specify the correct update value:
<p:commandButton value="update" action="#{testBean.inc()}"
update=":two" ajax="true" />
Related
Yesterday I created a really simple JSF project to practice how to render a dynamic menu with Ajax request.
The addition method works pretty well, but in case I switch to another tab the result is not calculated and displayed in the page.
I debugged the code for hours, but till yet I haven't found the root cause. Do you have any idea what the problem can be?
Web Pages
index.xhtml:
<?xml version="1.0" encoding="UTF-8"?>
<!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://xmlns.jcp.org/jsf/html"
xmlns:ui="http://xmlns.jcp.org/jsf/facelets"
xmlns:f="http://xmlns.jcp.org/jsf/core">
<h:head>
<title>Mathematics</title>
</h:head>
<h:body>
<h:panelGroup id="menu">
<h:form>
<f:ajax render="page">
<h:commandButton value="Addition" action="#{menuMB.setPage('addition')}"></h:commandButton>
<h:commandButton value="Subtraction" action="#{menuMB.setPage('subtraction')}"></h:commandButton>
<h:commandButton value="Multiplication" action="#{menuMB.setPage('multiplication')}"></h:commandButton>
<h:commandButton value="Division" action="#{menuMB.setPage('division')}"></h:commandButton>
</f:ajax>
</h:form>
</h:panelGroup>
<h:panelGroup id="page">
<ui:include src="/WEB-INF/includes/#{menuMB.page}.xhtml"/>
</h:panelGroup>
</h:body>
</html>
addition.xhtml
<ui:composition xmlns="http://www.w3.org/1999/xhtml"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://xmlns.jcp.org/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets">
<h:panelGroup id="header">
<h1>Addition</h1>
</h:panelGroup>
<h:panelGroup id="content">
<h:form id="addition">
<h:outputLabel for="number1" value="Number1:"/>
<h:inputText id="number1" value="#{mathMB.number1}">
<f:ajax event="keyup" listener="#{mathMB.addition}" execute="number1 number2" render="result"/>
</h:inputText>
<h:outputLabel for="number2" value="Number2:"/>
<h:inputText id="number2" value="#{mathMB.number2}">
<f:ajax event="keyup" listener="#{mathMB.addition}" execute="number1 number2" render="result"/>
</h:inputText>
<h:outputLabel for="result" value="Result:"/>
<h:outputText id="result" value="#{mathMB.result}"/>
</h:form>
</h:panelGroup>
All other xhtml pages (division, multiplication, subtraction) are the same as above, only the addition method is changed with the proper one.
Managed Beans
MathMB
#ManagedBean
#RequestScoped
public class MathMB {
private Integer number1;
private Integer number2;
private Integer result;
public void addition() {
if (number1 == null || number2 == null) {
return;
}
result = number1 + number2;
}
subtraction...
multiplication...
division...
//getters + setters
}
MenuMB
#ManagedBean
#ViewScoped
public class MenuMB implements Serializable {
private String page;
#PostConstruct
public void init() {
page = "addition";
}
public String getPage() {
return page;
}
public void setPage(String page) {
this.page = page;
}
}
Thanks a lot for any tips!
You need to put the <f:ajax> tag inside the commandbuttons, not the other way round.
<h:commandButton value="Addition" action="#{menuMB.setPage('addition')}">
<f:ajax render="page"/>
</h:commandButton>
<h:commandButton value="Subtraction" action="#{menuMB.setPage('subtraction')}">
<f:ajax render="page"/>
</h:commandButton>
...
I'm new to web development using JSF , i have an issue in displaying a message for a validation.
I'm trying to display a message related to length validation.
this is the code for the page :
<!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:ui="http://java.sun.com/jsf/facelets"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:p="http://primefaces.org/ui">
<h:head></h:head>
<h:body>
<h:form>
<h:message showDetail="true" showSummary="true" for="txtNum" />
<p:panelGrid columns="2">
<p:outputLabel value="value" id="lblValue" for="txtNum" />
<p:inputText value="#{test.num}" required="true" id="txtNum">
<f:facet name="">
<f:validateLength maximum="3"></f:validateLength>
</f:facet>
</p:inputText>
<p:commandButton value="do" action="#{test.func()}"></p:commandButton>
</p:panelGrid>
</h:form>
</h:body>
</html>
this the code for the managed bean (configured from faces config):
public class Test {
private int num;
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
public String func()
{
return null;
}
}
This should work. Don't forget about IDs and naming containers.When using AJAX do not skip process and update attributes.
<h:form id="form">
<p:panelGrid columns="2" id="formGrid">
<p:outputLabel value="value" id="lblValue" for=":form:txtNum" />
<p:inputText value="#{test.num}" required="true" id="txtNum">
<f:validateLength maximum="3"/>
</p:inputText>
<h:message showDetail="true" showSummary="true" for=":form:txtNum" />
<p:commandButton value="do" action="#{test.func()}" process=":form:formGrid" update=":form:formGrid"/>
</p:panelGrid>
</h:form>
I am trying to insert a popup which has to be lazy-loaded when clicking a h:commandButton. I insert its content via ui:include. However the preRenderView method is not being fired and the PopupPageModel model property is not being initialized so I get a NullPointerException when trying to invoke the business logic method inside PopupPageController.
The idea is having separate Model/Controller beans for both pages involved but I am not sure this is the correct approach, so I would like to know other approaches or the correct way to implement mine.
Thanks in advance.
Invoking page:
<h:commandButton
value="#{msg['jsf.thisScreen.someText']}">
<f:param name="theParameter" value="#{InvokingScreenModel.theParameter}" />
<rich:componentControl target="myPopup" operation="show" />
</h:commandButton>
<rich:popupPanel id="myPopup" modal="true" resizeable="false" autosized="true"
onmaskclick="#{rich:component('myPopup')}.hide()">
<f:facet name="header">
<h:outputText value="#{msg['jsf.anotherScreen.someText']}" />
</f:facet>
<f:facet name="controls">
<h:outputLink value="#" onclick="#{rich:component('myPopup')}.hide(); return false;"></h:outputLink>
</f:facet>
<ui:include src="popupPage.xhtml" />
</rich:popupPanel>
Popup page:
<ui:composition xmlns="http://www.w3.org/1999/xhtml"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:rich="http://richfaces.org/rich"
xmlns:a4j="http://richfaces.org/a4j"
xmlns:c="http://java.sun.com/jsf/core">
<f:metadata>
<f:viewParam name="theParameter"
value="#{PopupPageModel.theParameter}" />
<f:event type="preRenderView"
listener="#{PopupPageController.initialize}" />
</f:metadata>
<h:form id="someForm">
//Some things here
</h:form>
</ui:composition>
Popup page controller
#Component("PopupPageController")
#Scope("request")
public class PopupPageController {
#Autowired
private PopupPageModel model;
#Autowired
private SomeService service;
public void initialize(){
if (!FacesContext.getCurrentInstance().isPostback()) {
//Change some model properties via service methods
}
}
public void doSomething() {
}
}
I've been struggling with this for several days and I've been unable to find a lazy-loading solution for the popup so I'm posting a solution I managed to do that doesn't include this feature just in case it's useful for someone.
Invoking page extract
<h:form>
<a4j:outputPanel id="stuffDetails">
//Some ajax-rendered tabs and accordions above the button
.....
.....
<a4j:commandButton
value="Open Popup"
actionListener="#{PopupController.someInitializationListenerMethod}"
oncomplete="#{rich:component('thePopup')}.show();"
render="formPopup">
</a4j:commandButton>
</a4j:outputPanel>
</h:form>
<rich:popupPanel id="thePopup" modal="true"
resizeable="false" autosized="true"
onmaskclick="#{rich:component('thePopup')}.hide();">
<f:facet name="header">
<h:outputText value="Some header here" />
</f:facet>
<f:facet name="controls">
<h:outputLink value="#"
onclick="#{rich:component('thePopup')}.hide(); return false;">
</h:outputLink>
</f:facet>
<h:form id="formPopup">
<ui:include src="popup.xhtml" />
</h:form>
</rich:popupPanel>
popup.xhtml
<?xml version="1.0" encoding="ISO-8859-1" standalone="yes" ?>
<html>
<ui:composition xmlns="http://www.w3.org/1999/xhtml"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:rich="http://richfaces.org/rich"
xmlns:a4j="http://richfaces.org/a4j"
xmlns:c="http://java.sun.com/jsf/core">
//Some controls shown inside the popup
......
......
<a4j:commandButton value="Process data and close popup"
actionListener="#{PopupController.someProcessingMethod}"
render=":stuffDetails :formPopup"
oncomplete="#{rich:component('thePopup')}.hide();" />
<h:commandButton value="Cancel"
onclick="#{rich:component('thePopup')}.hide(); return false;" />
</ui:composition>
</html>
The render=":stuffDetails :formPopup" in popup.xhtml is to avoid the infamous JSF spec issue 790 described by BalusC here and here.
Any suggestions welcome.
Could somebody explain me why a4j:commandButton doesn’t reacts at first click in the next scenario?
I have to hit it two times in order to get the action executed…
facelets composite template named principal.xhtml:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<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:a4j="http://richfaces.org/a4j"
xmlns:rich="http://richfaces.org/rich">
<f:view contentType="text/html">
<h:head>
<meta http-equiv="content-type" content="text/xhtml; charset=UTF-8" />
</h:head>
<h:body>
<div id="heading">
<ui:insert name="heading">
<ui:include src="/adm/includes/menu.xhtml"/>
</ui:insert>
</div>
<div id="content">
<br />
<a4j:outputPanel ajaxRendered="true">
<ui:insert name="content"/>
</a4j:outputPanel>
<br />
</div>
<div id="footer">
<ui:insert name="footer">
<ui:include src="/adm/includes/footer.xhtml"/>
</ui:insert>
</div>
</h:body>
</f:view>
</html>
The JSF page with the problematic ajax button:
<ui:composition template="/adm/templates/principal.xhtml">
<ui:define name="content">
<rich:panel header="#{msgs.usuariosNuevo}">
<h:form id="formUsuariosNuevo" prependId="false">
<h:panelGrid columns="3">
<h:outputText value="#{msgs.email}" />
<h:inputText value="#{usuarioCtrl.mdl.email}" id="email" />
<h:outputText value="#{msgs.pwd}" />
<h:inputSecret value="#{usuarioCtrl.mdl.pwd}" id="pwd" />
</h:panelGrid>
<a4j:commandButton value="#{msgs.guardar}" action="#{usuarioCtrl.guardarUsuarioAction}" />
</h:form>
</rich:panel>
</ui:define>
</ui:composition>
... and the 'top' toolbar menu menu.xhtml:
<h:form prependId="false" id="formMenu">
<rich:toolbar height="26px">
<rich:dropDownMenu mode="ajax">
<f:facet name="label">
<h:panelGroup>
<h:graphicImage value="/resources/img/icon/usuarios.png" styleClass="pic" width="20" height="20" />
<h:outputText value="Usuarios" />
</h:panelGroup>
</f:facet>
<rich:menuItem label="Nuevo" action="#{menuCtrl.usuariosNuevoAction}" icon="/resources/img/icon/nuevo.png" />
<rich:menuItem label="Gestión" action="#{menuCtrl.usuariosGestionAction}" icon="/resources/img/icon/gestion.png" />
</rich:dropDownMenu>
<!-- Others dropDownsMenu's here ... -->
</rich:toolbar>
</h:form>
thanks!
I think the problem happens when you're using JSF #ManagedBean. You need declare that form bean variable in current flow.
I'm using Richfaces 4.2, Spring-web-flow 2.3.0, Spring 3.1.1
formbean
#RequestScoped
#ManagedBean
public class SearchForm implements Serializable {
private static final long serialVersionUID = 1L;
private String pattern = "Please insert";
public String getPattern() {
return pattern;
}
public void setPattern(String pattern) {
this.pattern = pattern;
}
}
home-flow.xml
<var name="searchForm" class="com.inhouse.web.form.SearchForm"/>
<view-state id="home" view="home.xhtml" model="searchForm">
<transition on="search">
<evaluate expression="searchController.search(requestParameters.pattern)" result="flashScope.searchResults"></evaluate>
</transition>
</view-state>
home.xhtml
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:sf="http://www.springframework.org/tags/faces"
xmlns:fn="http://java.sun.com/jsp/jstl/functions"
xmlns:a4j="http://richfaces.org/a4j"
xmlns:rich="http://richfaces.org/rich">
<ui:composition template="/WEB-INF/layouts/template.xhtml">
<ui:define name="content">
<h:form>
<h:inputText value="#{searchForm.pattern}" />
<a4j:commandButton action="search" value="Search" render="searchResult" immediate="true">
<f:param name="pattern" value="#{searchForm.pattern}"></f:param>
</a4j:commandButton>
</h:form>
<h:panelGroup id="searchResult">
<h:outputText value="#{searchResults}" />
</h:panelGroup>
</ui:define>
</ui:composition>
</html>
Controller
#Controller
public class SearchController {
public String search(String pattern) {
return "this is the search results";
}
}
If a commandButton with ajax support used in een .xhtml without facelets templates, the ajax listener has to be an attribute of the commandButton-tag. If used in conjunction with a template, the listener has to be an attribute of the ajax-tag. I needed some time to figure this out so if this is correct and a normal behavior, be warned.
The viewscoped bean
#ManagedBean
#ViewScoped
public class Test implements Serializable {
private static final long serialVersionUID = 123456L;
private static int i = 0;
private int counter;
private String test = "test ";
#PostConstruct
public void test() {
System.out.println(".......... PostConstruct");
i++;
}
public String getTest() {
return test + i;
}
public String action() {
counter++;
System.out.println(".......... action() " + counter);
return "";
}
public void listener() {
counter++;
System.out.println(".......... listener() " + counter);
}
public void ajaxListener(AjaxBehaviorEvent actionEvent) {
System.out.println(".......... ajaxListener() - " +
"AjaxBehaviorEvent: " + actionEvent);
}
public void ajax() {
System.out.println(".......... ajax() - not using Facelets " +
counter);
}
public void ajaxList2(ActionEvent actionEvent) {
System.out.println(".......... ajaxList2() - ActionEvent" +
actionEvent);
}
public int getCounter() {
return counter;
}
}
the first 2 buttons work in both pages (with and without using facelets). The other buttons don't see the buttons value attribute.
the .xhtml using facelets
<ui:composition 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:p="http://primefaces.prime.com.tr/ui"
template="/WEB-INF/templates/test.xhtml">
<ui:define name="ui_content">
#{test.test}
<h:form id="frm">
<h:commandButton value="testAction" action="#{test.action}"/>
<h:commandButton value="testListener" actionListener="#{test.listener}"/>
<h:commandButton value="Ajax - works ONLY using Facelets" immediate="true" >
<f:ajax event="click" execute="#form" render=":grp2" listener="#{test.ajaxListener}" />
</h:commandButton>
<h:commandButton value="testAjax - works ONLY without using Facelets" immediate="true" action="#{test.ajax}" >
<f:ajax event="click" execute="#form" render=":grp2"/>
</h:commandButton>
<h:commandButton value="testAjax - actionListener works ONLY without using Facelets"
immediate="true" actionListener="#{test.ajaxList2}" >
<f:ajax event="click" execute="#form" render=":grp2"/>
</h:commandButton>
</h:form>
<h:panelGroup id="grp1" rendered="#{test.counter > 2}">
1st group: #{test.counter}
</h:panelGroup><br />
<h:panelGroup id="grp2" rendered="#{test.counter > 7}">
2de group: #{test.counter}
</h:panelGroup>
the .xhtml without facelets
<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:p="http://primefaces.prime.com.tr/ui">
#{test.test}
<h:form id="frm">
<h:commandButton value="testAction" action="#{test.action}"/>
<h:commandButton value="testListener" actionListener="#{test.listener}"/>
<h:commandButton value="Ajax - works ONLY using Facelets" immediate="true" >
<f:ajax event="click" execute="#form" render=":grp2" listener="#{test.ajaxListener}" />
</h:commandButton>
<h:commandButton value="testAjax - action works ONLY without using Facelets" immediate="true" action="#{test.ajax}" >
<f:ajax event="click" execute="#form" render=":grp2"/>
</h:commandButton>
<h:commandButton value="testAjax - actionListener works ONLY without using Facelets" immediate="true" actionListener="#{test.ajaxList2}" >
<f:ajax event="click" execute="#form" render=":grp2"/>
</h:commandButton>
</h:form>
<h:panelGroup id="grp1" rendered="#{test.counter > 2}">
1st group: #{test.counter}
</h:panelGroup><br />
<h:panelGroup id="grp2" rendered="#{test.counter > 7}">
2nd group: #{test.counter}
</h:panelGroup>
</html>
the template file
<?xml version='1.0' encoding='UTF-8' ?>
<!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:ui="http://java.sun.com/jsf/facelets"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core">
<h:head>
<title>test</title>
</h:head>
<h:body>
<f:view>
<div id="page">
<ui:insert name="ui_header">header</ui:insert>
<ui:insert name="ui_subnav"/>
<div id="content">
<ui:insert name="ui_content"/>
</div>
<ui:insert name="ui_footer" />
</div>
</f:view>
</h:body>
</html>