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https://issues.apache.org/jira/browse/OPENMEETINGS-733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13728555#comment-13728555
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Andrey Bogdanov commented on OPENMEETINGS-733:
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Steps for realization:
1. Track all changes in whiteboard content (add beforeChange call to all places
where something could change - this call should save state of the element)
2. Add undo button to tools group (with the picture) and revert tracked changes
on click.
> Wicket based Whiteboard should provide Undo feature
> ---------------------------------------------------
>
> Key: OPENMEETINGS-733
> URL: https://issues.apache.org/jira/browse/OPENMEETINGS-733
> Project: Openmeetings
> Issue Type: Sub-task
> Components: HTML5, UI
> Affects Versions: 3.0.0 Apache Release
> Reporter: Andun Sameera Liyanagunawardana
> Assignee: SebastianWagner
> Fix For: 3.0.0 Apache Release
>
>
> Wicket based Whiteboard should provide Undo feature
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