jsf - Referring composite component ID in f:ajax render -


i writing composite component intended wrap input element, , augment 'optional field' designation , h:message element below it. here component (in input.xhtml file):

<composite:interface/> <composite:implementation>   <div>   #{component.children[1].setstyleclass(component.children[1].valid ? '' : 'inputerror')}     <composite:insertchildren/>   </div>   <h:panelgroup styleclass="optional"        rendered="#{!component.parent.children[1].required}"        layout="block" >     #{msgs['common.optional.field']}   </h:panelgroup>   <h:message id="msgid"         for="#{component.parent.children[1].id}" errorclass="error"/> </composite:implementation>

again, intended usage of component wrap h:input* element expected first , immediate child of in using page.

in using page write:

    <h:form id="f1">     <h:panelgrid border="0" columns="2" style="width: 80%">         <f:facet name="header">             <col width="40%" />             <col width="60%" />         </f:facet>         <h:outputlabel styleclass="sectionbody" for="i1"             value="input 1"></h:outputlabel>             <my:input id="ii1">             <h:inputtext id="i1" size="20" maxlength="20" tabindex="0"             required="true" label="input 1">             </h:inputtext>             </my:input>         <h:outputlabel styleclass="sectionbody" for="i2"             value="input 2"></h:outputlabel>             <my:input id="ii2">             <h:inputtext id="i2" size="20" maxlength="20" tabindex="0"                 label="input 2">             </h:inputtext>             </my:input>     </h:panelgrid>     <br />     <h:commandbutton value="submit" tabindex="1">         <f:ajax listener="#{terminalimportbean.addterminal}"            execute="@form" render="@form"/>     </h:commandbutton> </h:form>

this work fine using normal posts. if add add f:ajax validation "input 1" (id="i1") , try re-render composite (ii1) using following:

...             <h:outputlabel styleclass="sectionbody" for="i1"             value="input 1"></h:outputlabel>          <my:input id="ii1">             <h:inputtext id="i1" size="20" maxlength="20" tabindex="0"             required="true" label="input 1">                <f:ajax listener="#{mybean.checkinput1}"                    event="blur"                    render="ii1"/>             </h:inputtext>          </my:input> ...

i gen error in browser during ajax response processing:

malformedxml: during update: f1:ii1 not found

i tried using f1:ii1, :f1:ii1, no avail. when use msgid or :f1:ii1:msgid works. know why?

i using mojarra 2.1.3

thanks

that's because composite component itself not render html. children been rendered html. there not exist html element id f1:i11 in generated html output. open page in browser, rightclick , view source. in there yourself. there's no such element id. javascript/ajax encountering same problem. can't find element in order update it.

to solve this, you'd need wrap entire composite body in html <div> or <span> , assign id of #{cc.clientid} prints uicomponent#getclientid().

<cc:implementation>     <div id="#{cc.clientid}">         ...     </div> </cc:implementation>

then can reference below:

<my:input id="foo" /> ... <f:ajax ... render="foo" />

you can reference specific composite component child.

<f:ajax ... render="foo:inputid" />

see also:


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