Hello all,
I'm using a slighty different alternative.
I added the method getLabel to my Enum, which returns the key of the
property for that value of Enum.
My page contains a the following scrap:
<h:selectOneRadio
layout="pageDirection"
value="#{createRequestBean.category}">
<t:selectItems
value="#{createRequestBean.availableCategories}"
var="category"
itemLabel="#{labels[category.label]}"
itemValue="#{category}" />
</h:selectOneRadio>
In my managed-bean I just return a List<Enum> with all values from my
Enum like this:
/**
* Gets the available categories.
*
* @return An array with all the available categories.
*/
public List<Category> getAvailableCategories() {
Category[] categories = Category.values();
return Arrays.asList(categories);
}
Combined with a generic converter for Enums and a getter and setter for
the Enum on my managed-bean it works like a charm for me.
With kind regards,
Marco Beelen
-----Original Message-----
From: Erlend Hamnaberg [mailto:[EMAIL PROTECTED]
Sent: dinsdag 22 mei 2007 20:17
To: MyFaces Discussion
Subject: Re: enumerated type and f:selectItems
Here is a custom localized selectItem creator from enums.
Assumes you have a resource bundle configured in faces config.
It also expects values for each Enum Value.
If you have this enum:
package com.exampe;
public enum Example {
EXAMPLE
}
Then the appropriate entry in the message bundle would be:
com.example.Example.EXAMPLE=example
public static List<SelectItem>
createSelectItemsFromEnum(FacesContext context, Class<? extends Enum>
value) {
List<SelectItem> list = new ArrayList<SelectItem>();
Application a = context.getApplication();
String msgBundle = a.getMessageBundle();
Locale locale = context.getViewRoot().getLocale();
ResourceBundle rb = ResourceBundle.getBundle(msgBundle, locale);
Set<? extends Enum> set = EnumSet.allOf(value);
if (set != null && set.size() > 0) {
for (Enum e : set) {
String name = value.getName() + "." + e.name();
list.add(new SelectItem(e, rb.getString(name)));
}
}
return list;
}
I have also a Converter that uses the same method from and to Enums if
you'd like that. That is needed if you use standard components.
- Erlend
Cagatay Civici wrote:
> Hi,
>
> Sandbox15 has an enumconverter too.
>
>
http://svn.apache.org/viewvc/myfaces/tomahawk/trunk/sandbox15/core/src/m
ain/java/org/apache/myfaces/custom/converter/enumeration/EnumConverter.j
ava?view=markup
>
> Cagatay
>
> On 5/22/07, *Andrew Robinson* <[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> wrote:
>
> If you use jboss seam there is support for an enum converter and
> enum-select item components that do just what you are looking for.
>
> On 5/22/07, [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> < [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
> >
> > Hi,
> >
> > What's the best way generate UISelectItems from an enumerated
> type? I'd like
> > to populate a UISelectOne-based component with enumerated type
> values and
> > back the component with an enumerated type variable instance.
> This seems
> > like it should be a common pattern in JSF with JDK 1.5+. In
> fact, I'm a
> > little surprised we can't specify an enumerated type (or
> variable of an
> > enumerated type) for f:selectItems.
> >
> > Thanks for any replies,
> > Eric
> >
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