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https://issues.jboss.org/browse/RF-10945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Nick Belaevski updated RF-10945:
--------------------------------
Fix Version/s: 4.Future
> TabPanel without any Tab: NullPointerException in
> AbstractTabPanel.getActiveItem()
> ----------------------------------------------------------------------------------
>
> Key: RF-10945
> URL: https://issues.jboss.org/browse/RF-10945
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: component-panels-layout-themes
> Affects Versions: 4.0.0.Final
> Reporter: Lutz Ulrich
> Fix For: 4.Future
>
>
> Hello,
> when removing the last UITab child from UITabPanel (via AJAX request) a
> NullPointerException is thrown by AbstractTabPanel.getActiveItem() when
> re-rending the UITabPanel:
> getFirstItem().getName() => cannot work since getFirstItem() returns null
> There should be no errors when the UITabPanel is empty.
> I fixed that in my local 'copy' of AbstractTabPanel by checking if
> getFirstItem() returns null. If it is null, getActiveItem() returns null,
> too.
> Seems to work for me. But I didn't do much testing on that, yet.
> public String getActiveItem() {
> String res = super.getActiveItem();
> if (res == null) {
>
> // L. Ulrich, 21.04.2011
> // original code
> //res = getFirstItem().getName();
> // fixed code:
> AbstractTogglePanelItemInterface firstItem = getFirstItem();
> if (firstItem != null)
> {
> res = firstItem.getName();
> }
> // end of fixed code
> } else {
> AbstractTogglePanelTitledItem item =
> (AbstractTogglePanelTitledItem)
> super.getItemByIndex(super.getChildIndex(res));
> if (item.isDisabled()) {
> res = getFirstItem().getName();
> }
> }
> return res;
> }
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