[jira] [Commented] (UIMA-2463) Improve default annotation style assignment of CAS Editor

["Peter Klügl (JIRA)" <de...@uima.apache.org>]

    [ https://issues.apache.org/jira/browse/UIMA-2463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13443130#comment-13443130 ] 

Peter Klügl commented on UIMA-2463:
-----------------------------------

I committed the proposed changes that are probably not the best way to solve the problem but should do the trick. Jörn, are the changes ok?
                
> Improve default annotation style assignment of CAS Editor 
> ----------------------------------------------------------
>
>                 Key: UIMA-2463
>                 URL: https://issues.apache.org/jira/browse/UIMA-2463
>             Project: UIMA
>          Issue Type: Bug
>          Components: CasEditor
>    Affects Versions: 2.4.1SDK
>            Reporter: Peter Klügl
>            Assignee: Peter Klügl
>            Priority: Minor
>             Fix For: 2.4.1SDK
>
>
> DefaultColors.assignColors() assigns style background with somewhat random but different bright colors to all types. This method is called when is type system is not known yet.
> AnnotationStyle.getAnnotationStyleFromStore() tries to read to stored style. If there is no information, then the style is set underlined red.
> The situation in my use case is the following: I create a script with some type definitions resulting in a type system. I write some rules and test the result by taking a look at the xmi with the CAS Editor. Here, the first method is applied, because the type system is new. Then I write additional rules and add some other types. If I now review the result, the new types in the known types system are all set to red/underlined, because if the second method. Thus, it's harder to distinguish them.
> A solution is the assignment of a random bright background color as default in AnnotationStyle.getAnnotationStyleFromStore(). However, the colors should
> not change randomly if the type system changes. So after a style is assigned, this style should be stored inside the configuration, instead of repeating the process the next time the CAS is loaded. If the process is repeated and a change occurs to the type system, then the style assigning code might choose a different color. 

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