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https://issues.jboss.org/browse/RF-8084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12697967#comment-12697967
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Virage Group commented on RF-8084:
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I can reproduce the bug as described above with FF 12 (not IE9). With 4
panelbar items the computed height (h) is 2px but with 3 panelbar items the
height is correct (100%). If I unzoom (ctrl -) the bug disappears.
Notices that, unlike your livedeomo, my panelbar does not have a fixed height
defined.
I can reproduce the bug with height=100% or with no height defined on the
panelbar. If I set a fixed height (eg height='400'), the panelbar item has the
correct height.
> Panelbar does not expand with more than 4 panelBarItems
> -------------------------------------------------------
>
> Key: RF-8084
> URL: https://issues.jboss.org/browse/RF-8084
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Affects Versions: 3.3.1, 3.3.2.CR1, 3.3.2.GA, 3.3.2.SR1
> Environment: Bot Mac and Windows. Both IE and FF.
> Reporter: AlanD
> Assignee: Nick Belaevski
>
> Adding a rich:panelBar with more than 4 panelBarItems causes the
> panelBarItems to stay hidden.
> Under Mac and FF 3.5 the pannels do not open anymore. If your zoom (Cmd +),
> the panels open again.
> Under Windows and IE 8 you need to zoom one level (Ctrl +).
> In the panelbar.js (showSlide function) this piece of code contains the
> problem.
> slide.content.style.height=(h>0?h:0)+"px";
> if (h<=1 && (this.panel.style.height=="" ||
> this.panel.style.height.indexOf("%")!=-1)) {
> this.panel.style.height="";
> slide.content.style.height="100%";
> }
> h is the contentHeight. 'Normally' this returns a value which is <=1. But for
> some zoom levels and more than 4 panelBarItems this value gets bigger. This
> causes the height being set to 2 or 3 and the panelBarItem looks clossed.
> This is probally caused by some rouding problem. A difference between
> offsetHeight and clientHeight?
> Locally I fixed the problem to disable the check and always set the height of
> the slide.content to 100%.
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