jsf - Why do I get the same ID suffix for p:tab children? -


i'm using primefaces mojarra , have noticed trees under each dynamic p:tab same id

<p:tabview id="customerdata" value="#{documenttabview.documenttabs}" var="tab" dynamic="true">      <p:tab title="#{tab.title}" closable="#{tab.closable}" >       <p:panel>          <h:outputtext value="test_#{tab.title}"/>       </p:panel>   </p:tab> </p:tabview>

resulting html follows:

<div id="customerdata" class="ui-tabs ui-widget ui-widget-content ui-corner-all ui-hidden-container ui-tabs-top">    <ul class="ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all" role="tablist">       <li class="ui-state-default ui-tabs-selected ui-state-active ui-corner-top" role="tab" aria-expanded="true"><a href="#customerdata:0:j_idt21">all documents</a></li>       <li class="ui-state-default ui-corner-top" role="tab" aria-expanded="false"><a href="#customerdata:1:j_idt21">other documents</a><span class="ui-icon ui-icon-close"></span></li>    </ul>    <div class="ui-tabs-panels">       <div id="customerdata:0:j_idt21" class="ui-tabs-panel ui-widget-content ui-corner-bottom" role="tabpanel" aria-hidden="false">          <div id="customerdata:0:j_idt46" class="ui-panel ui-widget ui-widget-content ui-corner-all">             <div id="customerdata:0:j_idt46_content" class="ui-panel-content ui-widget-content">test_all documents</div>          </div>          <script id="customerdata:0:j_idt46_s" type="text/javascript">primefaces.cw('panel','widget_customerdata_0_j_idt46',{id:'customerdata:0:j_idt46'});</script>       </div>       <div id="customerdata:1:j_idt21" class="ui-tabs-panel ui-widget-content ui-corner-bottom ui-helper-hidden" role="tabpanel" aria-hidden="true"></div>    </div>    <input type="hidden" id="customerdata_activeindex" name="customerdata_activeindex" value="0" autocomplete="off" /> </div>

can please explain why same id (here j_idt21) being used twice. know prefixed tab index know if exists solution force having (and different) ids.

because there's only one <p:tab> component generates same piece of html multiple times depending on current iteration round of <p:tabview value>.

if you're bothered autogenerated id, give <p:tab> fixed id.

<p:tab id="tab" ...>

if worry distinguishing tabs fixed id in e.g. javascript, put content in plain html <div> id generated based on iterated item. e.g.

<p:tab ...>     <div id="#{tab.name}">         ...     </div> </p:tab>

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