Hi Matthias,
i created a small test page (see attached files), but i can't reproduce
your problem. All works as expected, also when validation fails.
Please provide more info about what you are doing and your tree structure.
Regards,
Volker
Matthias Kahlau wrote:
>>There's a use case where I encounter a problem with my solution. When a
>>validation error occurs in the process validations phase, all the radio
>>buttons shown in the HtmlDataTable aren't rendered when the page is
>>redisplayed.
>>
>>Why I try to evaluate the HtmlSelectOneRadio components in this
>>view state,
>>I get a runtime error because the components aren't fully initialized. The
>>component values / value classes are of the following type, for example:
>>
>>value = [EMAIL PROTECTED]
>>value class = org.apache.myfaces.renderkit.RendererUtils$1
>
>
>
> Is it possible to solve this problem, or is this a dead end?
>
>
> Regards,
>
> Matthias
>
>
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<%@ page session="false" contentType="text/html;charset=utf-8"%>
<%@ taglib uri="http://java.sun.com/jsf/html"; prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core"; prefix="f"%>
<%@ taglib uri="http://myfaces.apache.org/tomahawk"; prefix="t"%>
<html>
<!--
/*
* Copyright 2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//-->
<[EMAIL PROTECTED] file="inc/head.inc" %>
<body>
<!--
managed beans used:
countryList
-->
<f:view>
<h:form id="form">
<f:loadBundle
basename="org.apache.myfaces.examples.resource.example_messages"
var="example_messages"/>
<t:selectOneRadio id="select" value="#{testBean.value}" layout="spread"
validator="#{testBean.validateInput}">
<f:selectItems value="#{testBean.items}" />
</t:selectOneRadio>
<t:dataTable id="data"
var="row"
value="#{testBean.values}"
rowIndexVar="rowIndex"
preserveDataModel="true" >
<h:column>
<f:facet name="header">
<h:outputText value="header 1" />
</f:facet>
<h:outputText value="#{row}" />
</h:column>
<h:column>
<f:facet name="header">
<h:outputText value="header 2" />
</f:facet>
<t:radio for=":form:select" index="#{rowIndex}"/>
</h:column>
</t:dataTable>
<p/>
<h:outputText value="aktuell ist #{testBean.value}"/>
<p/>
<h:commandButton value="submit"/>
<h:messages />
</h:form>
</f:view>
</body>
</html>package org.apache.myfaces.examples.test;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.faces.model.SelectItem;
import javax.faces.context.FacesContext;
import javax.faces.component.UIComponent;
import javax.faces.application.FacesMessage;
import java.util.List;
import java.util.ArrayList;
/**
* Created by IntelliJ IDEA.
* User: weber
* Date: 12.02.2006
* Time: 21:11:09
* To change this template use File | Settings | File Templates.
*/
public class TestBean {
private static final Log LOG = LogFactory.getLog(TestBean.class);
List values ;
SelectItem[] items;
Object value;
public TestBean() {
values = new ArrayList();
values.add("eins");
values.add("zwei");
values.add("drei");
values.add("vier");
items = new SelectItem[values.size()];
for (int i = 0; i< items.length; i++) {
items[i] = new SelectItem(values.get(i), values.get(i).toString().toUpperCase());
}
}
public void validateInput(FacesContext facesContext, UIComponent component, Object testValue) {
LOG.info("testValue = \"" + testValue + "\"");
if (values.get(values.size() - 1).equals(testValue)) {
facesContext.addMessage(null, new FacesMessage("don't select last row!"));
facesContext.renderResponse();
}
}
public List getValues() {
return values;
}
public void setValues(List values) {
this.values = values;
}
public SelectItem[] getItems() {
return items;
}
public void setItems(SelectItem[] items) {
this.items = items;
}
public Object getValue() {
return value;
}
public void setValue(Object value) {
this.value = value;
}
}
