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https://issues.apache.org/jira/browse/CLK-744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12979311#action_12979311
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Bob Schellink commented on CLK-744:
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Actually I've fixed Iterable to behave like a List, meaning Option and
OptionGroup.
Strings might be beneficial to the developer but not to the maintainer. How
will the label be rendered? It will depend on how Select interprets it. Using
an Option there is one thing less for the maintainer to worry about. This leads
to a Stronger codebase which is a good thing.
The add methods predates DP and not much we can do about it unless we deprecate
them at some stage.
> Select control's setValue is not usable due to insufficient wrapping
> --------------------------------------------------------------------
>
> Key: CLK-744
> URL: https://issues.apache.org/jira/browse/CLK-744
> Project: Click
> Issue Type: Bug
> Components: core
> Affects Versions: 2.3.0-M1, 2.2.0
> Reporter: Sander van Grieken
> Attachments: SelectTestPage.java
>
>
> When calling setValue on a Select instance, it bombs out while rendering,
> regardless whether a String or an Option is passed.
> Passing an Option instance causes it to be 'toString'-ed as an Object (i.e.
> 'org.apache.click.control.opt...@1c154a3') when retrieving the selected value
> again.
> Passing a String causes it to throw a java.lang.IllegalArgumentException:
> Select option class not instance of Option or OptionGroup: java.lang.String
> at org.apache.click.control.Select.render(Select.java:998)
> I have modified the render(HtmlStringBuffer buffer) method in Select.java to
> additionally check for String instances, and in that case wrap it into an
> Option, and that works fine.
> if (object instanceof String) {
> Option option = new Option(object);
> option.render(this, buffer);
> } else ...
> The setValue method should probably be overridden from Field to also support
> the Option case
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