[JBoss JIRA] (RF-13192) RF4: <rich:dataTable> re-render single cell with ajax is not possible

Friday, 27 September 2013

    [
https://issues.jboss.org/browse/RF-13192?page=com.atlassian.jira.plugin.s...
] 

Juraj Húska commented on RF-13192:
----------------------------------

The reproducer can be found here:
*
[facelet|https://github.com/richfaces/richfaces-qa/blob/master/metamer/app...]
*
[bean|https://github.com/richfaces/richfaces-qa/blob/master/metamer/applic...]

In my reproducer, using render target {{tableId@rows[rowKeyVar]}} *does not render the
changed row*.

Please, have a look at the [particular render
target|https://github.com/richfaces/richfaces-qa/blob/master/metamer/appl...],
whether I understand you correctly.

Steps to reproduce the issue:
# deploy metamer and load:
http://localhost:8080/metamer/faces/components/richDataTable/rf-13192.xhtml
# delete the text from the e.g. first row
# make a BLUR on that input, see that an AJAX request was made
# the expected result is that input will become red, however, the row is still green
==> the row was not re-rendered

...
 RF4: <rich:dataTable> re-render single cell with ajax is not
possible
 ---------------------------------------------------------------------

                 Key: RF-13192
                 URL: https://issues.jboss.org/browse/RF-13192
             Project: RichFaces
          Issue Type: Bug
      Security Level: Public(Everyone can see) 
    Affects Versions: 4.3.3
            Reporter: Alexey Shakov
            Assignee: Juraj Húska

 Following code
 {code:xml}
 <?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:c="http://java.sun.com/jsp/jstl/core"
   xmlns:f="http://java.sun.com/jsf/core" xml:lang="en"
lang="en">
 <h:head>
 </h:head>
 <h:body>
   <h:form>
     <h:dataTable value="#{testBean.getData()}" var="row"
id="table">
       <h:column id="cell">
         <h:inputText value="#{row[0]}" id="input"
style="background-color:#{empty row[0] ? 'red' : 'green'}">
           <f:ajax event="change" render="cell" />
         </h:inputText>
       </h:column>
     </h:dataTable>
   </h:form>
 </h:body>
 </html>
 {code}
 {code:java}
 @ManagedBean(name="testBean")
 @SessionScoped
 public class TestBean {  
     private static String [][] initdata =
{{"test"},{null},{null},{null},{null}};   

     private List<String[]> data = Arrays.asList(initdata);   

     public List<String[]> getData() {  
         return data;  
     }
 }
 {code}
 does not work: table cell getting not updated, when input field content is changed.
Relacing render="cell" with render="input" fixes the problem. 
 See also the forum thread.
 Similar code works with RF3.3.3 
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