Hi!
The lightbulb is starting to glow a bit brighter, but I'm still stumped on some (likely) easy stuff. Hoping someone can take 5 and help me out.
I would like to change locales on the fly. My app has internationalization and localization - the issue is being able to change it on the fly in the user interface.
I have an object exposed as a bean, and it has accessors:
public List getSupportedLocaleItems() { ... }
public String getLocale() { ... }
public void setLocale(String locale) {
FacesContext.getCurrentInstance().getViewRoot().setLocale(new Locale(locale));
}
I want a drop down ("h:selectOneListbox" ?) to display the locales available, and when one is selected, to have the page update immediately with the locale change. So I tried:
<h:selectOneListbox id="locale_select" size="1" value="#{bean.locale}" immediate="true">
<f:selectItems value="#{bean.supportedLocaleItems}" />
</h:selectOneListbox>
I have two problems:
1. Using immediate="true" doesn't seem to do what I want, namely to fire the bean.setLocale when the item is selected. It still waits for a form submission of some kind.
2. When I do submit the form via a button, I get an error:
18:57:05,631 WARN [lifecycle] executePhase(RENDER_RESPONSE 6,com.sun.faces.context.FacesContextImpl@6bc276) threw exception
java.lang.IllegalArgumentException: Expected a child component type of UISelectItem/UISelectItems for component type javax.faces.SelectOne(locale_select). Found null.
which I don't quite understand.
Any help is appreciated - I think it's a pretty simple problem, but I'm not seeing it.
Oh, and question #3 - is there a good reference to learn some of this stuff? I bought "JavaServer Faces In Action" by Mann and am finding it extremely difficult to figure things out - he jumps all over the place - I need more of a reference with a "big picture" angle.
I'm really liking this, just not quite exactly figuring out how it all hangs together (I'm a solid java developer, just not done any web side work, so there's a lot to learn).
Much appreciated.
parki...
