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https://issues.apache.org/struts/browse/WW-2236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_42452
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Annie Wang commented on WW-2236:
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The problem is that the Struts2 doubleselect tag doesn't outputting the
MULTIPLE attribute on the second select list when multiple="false" and
doubleMultiple="true". So fix this by adding the following to doubleselect.ftl
under the simple theme and it's working:
<#if parameters.doubleMultiple?default(false)>
multiple="multiple"<#rt/>
</#if>
> doublemultiple doesn't work in doubleselect
> -------------------------------------------
>
> Key: WW-2236
> URL: https://issues.apache.org/struts/browse/WW-2236
> Project: Struts 2
> Issue Type: Bug
> Components: Views
> Affects Versions: 2.0.9
> Reporter: Annie Wang
>
> It seems like the doublemultiple attribute set to true without the multiple
> attribute set to true in doubleselect doesn't work.
> If I set both multiple and doublemultiple attributes to true, then I'm able
> to select multiple choices on the second select and as well as the first
> select but that's not what I want. I want to only allow selecting one from
> the first select box and be able to select multiple on the second select box.
> If I set multiple to false and doublemultiple to true, then I am not able
> to select more than one on the second select box. Is this a known bug ? I
> have tried searching the Internet for more info but with no luck.
> 'm using the latest struts-2.0.9 and here's my jsp that doesn't allow me to
> select multiple on second select box:
> <s:doubleselect
> label="doubleselect"
> name="menu"
> list="{'fruit','vegetable'}"
> size="2"
> doubleName="dishes"
> doubleList="top == 'fruit' ? {'apple', 'orange', 'banana'} : {'lettuce',
> 'tomato', 'broccoli'}"
> doubleMultiple="true"
> doubleSize="3"/>
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