TabbedPanel, tabsVisibilityCache throws IndexOutOfBounds
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Key: WICKET-2594
URL: https://issues.apache.org/jira/browse/WICKET-2594
Project: Wicket
Issue Type: Bug
Components: wicket-extensions
Affects Versions: 1.4.3
Reporter: Thies Edeling
With wicket extensions 1.4.3, TabbedPanel throws an IndexOutOfBounds exception
on the tabsVisibilityCache array when adding more tabs after the panel is
rendered.
The onBeforeRender method calls the isTabVisible method which initializes an
array of booleans for visibility caching. The length of this array is the
amount of tabs added at that time. When - through ajax - a new tab is added
after rendering and setSelectedTab is called an exception is thrown at:
Boolean visible = tabsVisibilityCache[tabIndex];
Fix: increase the array before checking or use a List:
if (tabsVisibilityCache.length < tabIndex + 1)
{
tabsVisibilityCache = Arrays.copyOf(tabsVisibilityCache, tabIndex +
1);
}
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