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https://jira.jboss.org/jira/browse/RF-6057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12458292#action_12458292
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Dean Ashby commented on RF-6057:
--------------------------------
A workaround is to define the height of items explicitly via CSS:
.rich-combobox-item
{
height: 16px;
}
> list height of comboBox rendered to small if first element in list is
> SelectItem with empty String value
> --------------------------------------------------------------------------------------------------------
>
> Key: RF-6057
> URL: https://jira.jboss.org/jira/browse/RF-6057
> Project: RichFaces
> Issue Type: Bug
> Affects Versions: 3.3.0
> Environment: RichFaces 3.3.0, JSF 1.2.09, Tomcat 6.0.18, FF 3.0.6, IE
> 7.0
> Reporter: Remo Marti
> Assignee: Anton Belevich
> Fix For: Future
>
>
> The rendering of the list height in a combo box seems to depend on the number
> of elements contained therein, as well as the height of the first element. If
> the first element in the list is a SelectItem with empty value, the height of
> the entire list is incorrectly rendered.
> Example:
> <rich:comboBox>
> <f:selectItems value="#{bean.optionsWithEmptyElement}"/>
> </rich:comboBox>
> public List<SelectItem> getOptionsWithEmptyElement () {
> List<SelectItem> result= new ArrayList<SelectItem>();
> result.add(new SelectItem(""));
> result.add(new SelectItem("Item 1"));
> result.add(new SelectItem("Item 2"));
> result.add(new SelectItem("Item 3"));
> return result;
> }
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