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Posted to commits@wicket.apache.org by "Tobias Haupt (Jira)" <ji...@apache.org> on 2020/10/06 10:00:00 UTC

[jira] [Created] (WICKET-6839) Component visible-in-hierarchy cache not used but cleared

Tobias Haupt created WICKET-6839:
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             Summary: Component visible-in-hierarchy cache not used but cleared
                 Key: WICKET-6839
                 URL: https://issues.apache.org/jira/browse/WICKET-6839
             Project: Wicket
          Issue Type: Bug
          Components: wicket-core
    Affects Versions: 8.9.0
            Reporter: Tobias Haupt


When the visibility of a component is changed via setVisible(), the Component and especially the MarkupContainer clears a cache flag (RFLAG_*VISIBLE*_IN_HIERARCHY_SET) on all contained components.

Unlike the flag for isEnabledInHiearchy (RFLAG_*ENABLED*_IN_HIERARCHY_SET), the flag for visibility seems not to be updated and used in isVisibleInHiearchy.

Resolution: either use the cache or avoid the (expensive) clearance for all children.



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