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https://issues.jboss.org/browse/RF-10989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12643993#comment-12643993
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Jean ANDRE commented on RF-10989:
---------------------------------
There is some strange behavior with this method. There is also a NPE when you
had tab even if you set the activeItem attribute (bind to :
activeItem="#{desktopTabController.activeTab}"). It is a veritable nightmare !
The behavior of the tab seems to be different when you enclose or not tab
inside an outputPanel.
When we remove the outputPanel, there no NPE but the tab does not refresh well
when we close a tab. In both case, we are in trouble !
{code}
<h:form id="tabbedForm">
<rich:tabPanel id="desktopTabPanel" switchType="ajax" headerPosition="top"
headerLocation="center" activeItem="#{desktopTabController.activeTab}">
<rich:tab id="tab-workitems" name="tab-workitems"
header="#{msg['desktop.tab.workitems']}">
<!-- -->
<!-- WORKITEMS TAB -->
<!-- -->
</rich:tab>
<c:forEach items="#{desktopTabController.desktopTabBean.tabElements}"
var="tab">
<a4j:outputPanel>
<rich:tab id="#{tab.id}" name="#{tab.id}" >
<!-- -->
<!-- DYNAMIC TABS -->
<!-- -->
<f:facet name="header">
<h:panelGrid columns="2">
<h:outputText value="#{tab.id}" />
<h:graphicImage value="/images/closeButton.png"
styleClass="closeButton"
onclick="closeTab('#{tab.id}');" />
</h:panelGrid>
</f:facet>
<ui:fragment rendered="#{tab.isTabClient}">
<!-- -->
<!-- CLIENT TAB -->
<!-- -->
<ui:include src="client/listClient.xhtml" />
</ui:fragment>
<ui:fragment rendered="#{tab.isTabWorkItems}">
<!-- -->
<!-- WORKITEMS TAB -->
<!-- -->
<ui:include src="workItems/listWorkItems.xhtml" />
</ui:fragment>
</rich:tab>
</a4j:outputPanel>
</c:forEach>
</rich:tabPanel>
{code}
> Reimplement AbstractPanel.getActiveItem() more defensively
> ----------------------------------------------------------
>
> Key: RF-10989
> URL: https://issues.jboss.org/browse/RF-10989
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: component-panels-layout-themes, optimization
> Affects Versions: 4.0.0.Final
> Reporter: Lukáš Fryč
> Assignee: Lukáš Fryč
> Priority: Trivial
> Fix For: 4.2.0.Tracking
>
>
> Based on the discussions in RF-10951, it will be good to implement
> AbstractPanel.getActiveItem(), because it will fail each time you remove the
> active tab.
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