[jira] Commented: (WICKET-192) make it easier to customize node icons in the tree

["Matej Knopp (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WICKET-192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12495289 ] 

Matej Knopp commented on WICKET-192:
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I think the current way is not difficult :) This is okay for open / close leaves icons, but what if you have different icon for each node type? (e.g. file browser). Then it's much better IMHO to do it in java.


> make it easier to customize node icons in the tree
> --------------------------------------------------
>
>                 Key: WICKET-192
>                 URL: https://issues.apache.org/jira/browse/WICKET-192
>             Project: Wicket
>          Issue Type: Improvement
>          Components: wicket
>    Affects Versions: 1.2.4, 1.3, 2.0
>            Reporter: Igor Vaynberg
>         Assigned To: Matej Knopp
>             Fix For: 1.3
>
>
> looking at how the tree works now, we are inlining the url to the node icon into the markup in newNodeIcon(). so if the user wants to customize the icon images they have to do it through code which is a pita imho. it would be better if instead of inlining resource urls we would set a css class attribute, then users can provide their own stylesheet. 
> then we need to figure out a way to make it easy to silence the tree's own css contribution so the user can override it with their own.
> make sense?
> its a lot easier for me to do <style>div.my-nav-tree div.wicket-tree span.node-expanded { background-url: {foo.png}}</style> then have to register my own wicket resource, override getNodeIcon(), etc

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