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https://issues.apache.org/jira/browse/UIMA-3936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marshall Schor resolved UIMA-3936.
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Resolution: Fixed
Fix Version/s: 2.6.1SDK
Assignee: Marshall Schor
> HTML Cas Viewer floods the history list unnecessarily
> -----------------------------------------------------
>
> Key: UIMA-3936
> URL: https://issues.apache.org/jira/browse/UIMA-3936
> Project: UIMA
> Issue Type: Improvement
> Components: Core Java Framework
> Affects Versions: 2.6.0SDK
> Reporter: Marshall Schor
> Assignee: Marshall Schor
> Priority: Minor
> Fix For: 2.6.1SDK
>
>
> The html version of the CAS Viewer (as used by the Document Analyzer, if you
> select html as the format) uses Javascript to display annotations in the
> right-side pane on mouse-over, and resets this when the mouse moves out of
> the item on the main pane.
> The reset is done using the frame's document, via doc.close() and doc.open().
> This clears the annotation pane OK, but the open() causes a History record
> to be created.
> This is compounded by the fact that a word may be covered by many
> annotations, and there's one of these clear actions for each covered
> annotation. So if you have 6, moving out causes 6 resets, and 6 additions to
> the History. This rapidly make it appear that the "back" button is broken...
> Use a different reset method to avoid overloading the history list.
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