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https://issues.apache.org/jira/browse/TAP5-2790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17898590#comment-17898590
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LRein commented on TAP5-2790:
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Each option already has an attribute called 'optgoup'. (I think an 'r' is
missing). Wouldn't it be better for each option to store its index in the
available list and then return it to its original position when deselected?
> Palette with option groups within the SelectModel does not work properly.
> -------------------------------------------------------------------------
>
> Key: TAP5-2790
> URL: https://issues.apache.org/jira/browse/TAP5-2790
> Project: Tapestry 5
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.9.0, 5.8.7
> Reporter: LRein
> Assignee: Ben Weidig
> Priority: Trivial
> Labels: easyfix
> Attachments: palette.js
>
>
> Option Groups are displayed correctly in the Palette. If you select options
> and then deselect them again, they are not placed in the correct option group.
> I am currently correcting the behavior of the Palette when overwriting the
> palette.js. But it would be much better if you could adopt the corrected
> behavior.
> {code:java}
> @Contribute(ModuleManager.class)
> public static void overrideTapestryCoreModules(
> MappedConfiguration<String, Object> configuration,
> @Path("META-INF/assets/js/override/palette.js") Resource palette)
> {
> configuration.add("t5/core/palette", new
> JavaScriptModuleConfiguration(palette));
> } {code}
>
> In Attachments is the change that corrects the behavior of the palette.
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