[richfaces-issues] [JBoss JIRA] Commented: (RF-7476) a4j commandLink doesnt work properly when using f:params and disabled condition, The link doesnt reRenders the value the first time the condition its not fullfilled

[Nick Belaevski (JIRA)]

    [ https://jira.jboss.org/jira/browse/RF-7476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12484945#action_12484945 ] 

Nick Belaevski commented on RF-7476:
------------------------------------

This example just proves that h:commandLink and a4j:commandLink behave just the same. As the link is disabled, it doesn't re-render "block" component. a4j:outputPanel just makes "block" re-rendered on each request, just as h:commnadlink that reloads the whole page.

> a4j commandLink doesnt work properly when using f:params and disabled condition, The link doesnt reRenders the value the first time the condition its not fullfilled
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: RF-7476
>                 URL: https://jira.jboss.org/jira/browse/RF-7476
>             Project: RichFaces
>          Issue Type: Bug
>          Components: component-a4j-core
>    Affects Versions: 3.3.1
>         Environment: JBoss Seam 2.1.1 GA, OC4j Server
>            Reporter: Javier Quirante
>            Assignee: Tsikhon Kuprevich
>             Fix For: 3.3.2.CR1
>
>         Attachments: JiraHome.java, jiraHome.page.xml, jiraHome.xhtml
>
>
> When we have an a4j commandLink that pass parameter via f:parameter, if the parameter passed , is on the disabled condition of the a4j commandLink, the button doesnt reRender the first time its fullfill the disable condition
> For instance if we have the button
> ------------------
> <a4j:commandLink  value="Hello J" reRender="block" bypassUpdates="false" disabled="#{jiraHome.disabled}">
>      <f:param name="firstName" value="Javier"/>
> </a4j:commandLink>
> --------------
> with pages.xml
> -------------
> <param name="firstName" value="#{jiraHome.firstName}"/>
> -------------
> that reRenders the panelGrid "block" whith an h:inputText
> --------------
> <h:panelGrid columns="1" id="block">
>      <h:inputText id="value"
>           value="#{jiraHome.firstName}"/>
> </h:panelGrid>
> ----------------
> And in the backup bean the condition is
> -----------
> public boolean getDisabled(){
>     return firstName!=null && "Javier".equals(firstName);
> }
> -----------------
> (if the parameter passed is "Javier" --> disable the commandLink)
> If you click the button its never write "Javier" in the input Text. But the first time you click, when the commandLink is enabled, it shouds
> reRender the inputText with the text "Javier" becuase its not still disabled.
> Next times is would be ok the commandLink doesnt work because is disabled because of the condition.
> If you try with h:commandLink its works like that.
> I try with scopes REQUEST and CONVERSATION on the Bean and doesnt work neither
> Thanks in advance

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