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https://issues.apache.org/jira/browse/WICKET-1785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Vaynberg updated WICKET-1785:
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Fix Version/s: 1.5-M3
(was: 1.5-M2)
> Ability to add attributes to drop-down-list (select) options
> ------------------------------------------------------------
>
> Key: WICKET-1785
> URL: https://issues.apache.org/jira/browse/WICKET-1785
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Affects Versions: 1.4-M3
> Reporter: Martin Makundi
> Priority: Minor
> Fix For: 1.5-M3
>
> Original Estimate: 0.08h
> Remaining Estimate: 0.08h
>
> Time-after-time, there is need to style your select options in a
> DropDownChoice component. For example, the different options need to have
> different background colour, or something.
> This can be accomplished using Select/SelectOption, but here you are required
> to re-implement all the intelligence already built into the
> dropdownchoice/listchoice component (automatic notnull and localization, for
> example).
> How could we leverage the existing functionality of the DropDownChoice but
> enhance it with the ability to parametrize option attributes individually?
> Our suggestion is that we refactor suitable hooks into the rendering phase of
> the xxChoice components, i.e., a method along the lines of "String
> getOptionAttributes(T t)" to be called, during the render phase of a
> DropDownChoice (in order to add attributes for the option tag).
> With this kind of impementation it would then be easier for anybody to
> 'sugarcoat' their DropDownChoice without breaking the existing
> inplementations. For example, one way to use it would be to just add a
> getDispayStyle method into your implementation of the IChoiceRenderer, and
> implement a respective check in your overriding "getOptionAttributes" -method:
> MyDropDownChoice extends DropDownChoice() {
> @Override
> protected String getOptionAttributes(T t) {
> if (renderer instanceof MyChoiceRenderer) {
> ... and sugarcoat my option ...
> }
> }
> }
> More discussion can be found at:
> http://www.nabble.com/color-code-options-in-drop-down-choice-tp16964792p18909328.html
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