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From Petr Kotek <ko...@crcdata.cz>
Subject Re: Change value of SelectOneChoice in background
Date Tue, 24 Apr 2007 16:01:07 GMT
Thanks Mike fo response,

but by further investigation I'm founded, that it is bug (or 
"undocumented feature" :) in Firefox. In IE it is all OK.



Mike Kienenberger wrote:
> Maybe this is what you're looking for:
>
> http://www.nabble.com/Re%3A-Programatically-updating-the-model-p9961060.html 
>
>
>
> On 4/24/07, Petr Kotek <kotek@crcdata.cz> wrote:
>> Hello all,
>>
>> I have next problem with SelectOneChoice component:
>>
>> 1. value is binded to backing bean and taken for example from database
>> 2. when query page, component show correct value
>> 3. now another process change value (in database)
>> 4. page is reloaded (by reload button in browser), then component show
>> bad, old value
>> 5. only new query for page show correct value of component
>>
>> Moreover, if page is submitted (by another component), then bad old
>> value of SelectOneChoice component is saved into database.
>>
>> I am using latest Trinidad 1.0.1 SNAPSHOT.
>>
>> Thanks for any help,
>> Peter
>>
>>
>>
>> I'm simulated this in next test. Changing value by button or
>> SelectOneChoice is OK. When I change value of socTestVal in session
>> backing bean in debuger (simulating backgroung value change), component
>> don't reflect this change, when page is only reloading.
>>
>> index.jsp test page:
>>
>> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
>> "http://www.w3.org/TR/html4/loose.dtd">
>> <%@ page contentType="text/html;charset=UTF-8"%>
>> <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
>> <%@ taglib uri="http://myfaces.apache.org/trinidad" prefix="tr"%>
>> <%@ taglib uri="http://myfaces.apache.org/trinidad/html" prefix="trh"%>
>> <f:view>
>>   <trh:html>
>>     <trh:head>
>>       <meta http-equiv="Content-Type" content="text/html; 
>> charset=UTF-8"/>
>>       <title>Select One Choice Test</title>
>>     </trh:head>
>>     <trh:body>
>>       <tr:form id="TestForm">
>>         <tr:selectOneChoice autoSubmit="true" label="Selection:"
>> value="#{IndexBean.socTestValue}">
>>           <tr:selectItem label="One" value="1"/>
>>           <tr:selectItem label="Two" value="2"/>
>>         </tr:selectOneChoice>
>>         <tr:commandButton text="Set One"
>> actionListener="#{IndexBean.ChoiceOneAction}"/>
>>       </tr:form>
>>     </trh:body>
>>   </trh:html>
>> </f:view>
>>
>>
>> Session backing bean:
>>
>> package test.backing;
>>
>> import javax.faces.event.ActionEvent;
>>
>> public class IndexBean {
>>   short socTestVal;
>>
>>   public IndexBean() {
>>     socTestVal = 2;
>>   }
>>
>>   public Short getSocTestValue() {
>>     return socTestVal;
>>   }
>>
>>   public void setSocTestValue(Short newVal) {
>>     socTestVal = newVal.shortValue();
>>   }
>>
>>   public void ChoiceOneAction(ActionEvent actionEvent) {
>>      socTestVal = 1;
>>   }
>> }
>>

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