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https://issues.apache.org/jira/browse/FLEX-34344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mihai Chira updated FLEX-34344:
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Attachment: _DropDownListListeningTooMuch.fxp
> DropDownList keeps acting on keyDown and other events after being removed
> from stage
> ------------------------------------------------------------------------------------
>
> Key: FLEX-34344
> URL: https://issues.apache.org/jira/browse/FLEX-34344
> Project: Apache Flex
> Issue Type: Bug
> Components: Spark: DropDownList
> Affects Versions: Apache Flex 4.12.0
> Reporter: Mihai Chira
> Labels: easytest
> Fix For: Apache Flex 4.13.0
>
> Attachments: _DropDownListListeningTooMuch.fxp
>
>
> *Steps to reproduce*:
> 1. Import and run the attached project.
> 2. Click on the dropdown and select an item.
> 3. Right click on the dropdown, which removes it from stage.
> 4. Press UP/DOWN.
> *Actual behaviour*: the dropdown's _proposedSelectedIndex keeps changing,
> showing the dropdown is still acting on keyboard events.
> *Desired behaviour*: once it's off stage, the dropdown should not react to
> keyboard - or any other - events.
> *Notes*:
> -the same behaviour can be made visible by placing a breakpoint in
> DropDownListBase.keyDownHandler after step 3.
> -I noticed that UIComponent adds event listeners for KEY_DOWN, KEY_UP,
> FOCUS_IN and FOCUS_OUT, but never removes them. Is the expectation that
> components themselves will remove these listeners when they're off stage, or
> is it an omission?
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