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https://issues.apache.org/jira/browse/FLEX-22384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean updated FLEX-22384:
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Labels: easyfix (was: )
> ArrayList set source and setItemAt are difficult to override
> ------------------------------------------------------------
>
> Key: FLEX-22384
> URL: https://issues.apache.org/jira/browse/FLEX-22384
> Project: Apache Flex
> Issue Type: Improvement
> Components: Collections
> Affects Versions: Adobe Flex SDK 3.4 (Release)
> Environment: Affected OS(s): All OS Platforms
> Language Found: English
> Reporter: Adobe JIRA
> Labels: easyfix
>
> Steps to reproduce:
> 1. try to use ArrayList as a basis for implementing an IList backing a
> ListCollectionView (for example, a union of several lists or a linked list or
> tree set)
> 2. override setItemAt to replace items in your backing data structure
> Actual Results:
> setItemAt references private _dispatchEvents which is needed to determine if
> an event should be dispatched (set source is similarly implemented)
>
> Expected Results:
> setItemAt should be implemented like addItemAt and reference a protected
> function created for the purpose of dispatching property change events (a new
> protected function like internalDispatchEvent), alternatively provide a
> getter for _dispatchEvents == 0
> Workaround:
> implement IList from the ground-up
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