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https://issues.apache.org/jira/browse/PIVOT-677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13057813#comment-13057813
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Greg Brown commented on PIVOT-677:
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Sorry if I wasn't clear. It just seems like you might be able to save yourself
some code by taking advantage of the fact that a Container is already a
sequence of components. Instead of extending ButtonGroup to behave like a
sequence, just have radio buttons use the parent container to determine what to
focus when an arrow key is pressed (e.g. have the up arrow call
transferFocus(FocusTraversalDirection.PREVIOUS)).
> Add ability to navigate a ButtonGroup of RadioButtons using the keyboard
> ------------------------------------------------------------------------
>
> Key: PIVOT-677
> URL: https://issues.apache.org/jira/browse/PIVOT-677
> Project: Pivot
> Issue Type: Improvement
> Components: wtk
> Environment: n/a
> Reporter: Chris Bartlett
> Assignee: Chris Bartlett
> Priority: Minor
> Fix For: 2.1
>
>
> LEFT or UP arrows would select the previous enabled button in the group.
> RIGHT or DOWN arrows would select the next enabled button in the group.
> Optionally, HOME & END would select the first or last enabled button in
> respectively.
> This functionality could be added to the existing
> org.apache.pivot.wtk.ButtonGroup class, or a new class named RadioButtonGroup
> could be created.
> The ButtonGroup would track the order that the buttons were added and use it
> to select the appropriate button.
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