there is functionality in MyFaces already to show the label of the
components, just use the x:message tags and make sure to include
component and message tag in a panel group...
regards,
Martin
On Fri, 3 Dec 2004 16:31:06 -0600, Heath Borders
<[EMAIL PROTECTED]> wrote:
> You can't change this in the UIInput directly because it is not to spec.
>
> The only way to do it and keep the code to spec is to extend all of
> the components individually. This is why the spec needs to be
> changed. Let's just hope that they get it done in 1.2
>
>
>
>
> On Fri, 03 Dec 2004 15:22:40 -0700, Matt Raible <[EMAIL PROTECTED]> wrote:
> > Craig McClanahan wrote:
> >
> >
> >
> > >On Fri, 3 Dec 2004 13:21:16 -0600, Heath Borders
> > ><[EMAIL PROTECTED]> wrote:
> > >
> > >
> > >>Unfortunately, the spec isn't very good on this matter.
> > >>
> > >>Basically, you'll have to override the spec and provide custom
> > >>functionality to be able to achieve this.
> > >>
> > >>Isn't this something we could do in the MyFaces custom components?
> > >>
> > >>The reason you can't do this within the spec is that the Validation
> > >>exception that is created for empty UIInputs that are required is
> > >>created inside UIInput. Unfortunately, there is no way to change the
> > >>String that the template message uses in its "{0}" place without
> > >>overriding UIInput's validate() method. This, of course, means that
> > >>you would have to create extensions to all UIInputs
> > >>(HtmlSelectOneRadio, HtmlSelectOneListbox, HtmlInputText, etc).
> > >>
> > >>Perhaps someone with a little clout (i.e. Craig, Manfred), could
> > >>suggest this to the spec guys, since I've tried to do so on the
> > >>forums, but it has fallen on deaf ears.
> > >>
> > >>
> > >>
> > >
> > >There actually is a way to change the message text (declare a
> > ><message-bundle> element in faces-config.xml, and in the corresponding
> > >ResourceBundle define messages for the keys that are described in
> > >Section 2.5.2.4 of the spec.
> > >
> > >What you cannot currently change is what parameters are passed in to
> > >replace the {0} text -- right now it's the component id. Looking into
> > >this was on the initial radar for the JSF 1.2 expert group, but don't
> > >know if they've discussed it yet.
> > >
> > >The particular idea of looking up the corresponding label component is
> > >an interesting one, but presumes that the page author is diligent
> > >about using <h:outputLabel> elements for their field labels, instead
> > >of <h:outputText>. So there would have to be a fallback mechanism as
> > >well.
> > >
> > >On the other hand, you can also "cheat" a little, and convince JSF to
> > >use *your* component class instead of the standard one. Let's say
> > >that you did a MyHtmlOutputText component that extended HtmlOutputText
> > >and had the modified validate() method. To register it, just do this
> > >in your faces-config.xml file:
> > >
> > >
> > Looking at MyFaces source code, this looks easy enough to change. In
> > the UIInput class, just change the following to look up the label based
> > on the id, then I'd just have to be smart about naming my input fields
> > to match their i18n keys:
> >
> > In the validate method:
> >
> > if (isRequired() && empty)
> > {
> > _MessageUtils.addErrorMessage(context, this,
> > REQUIRED_MESSAGE_ID,new Object[]{getId()});
> > setValid(false);
> > return;
> > }
> >
> > Change this to:
> >
> > if (isRequired() && empty)
> > {
> > _MessageUtils.addErrorMessage(context, this,
> > REQUIRED_MESSAGE_ID, getMessageBasedOnId(getId())});
> > setValid(false);
> > return;
> > }
> >
> > My question is - how would I get the message bundle?
> >
> > A better way would be to look up the label for the input and get the
> > rendered message from that. But I don't know if that's possible.
> >
> > Matt
> >
> >
> >
> > > <component>
> > > <component-type>javax.faces.HtmlOutputText</component-type>
> > > <component-class>com.mycompany.MyHtmlOutputText</component-class>
> > > </component>
> > >
> > >and the JSF runtime, including <h:outputText>, will use your component
> > >class instead of the standard one. As long as you're subclassing the
> > >one you replace, you should not have any class cast exception
> > >problems.
> > >
> > >Craig
> > >
> > >
> > >Craig
> > >
> > >
> > >
> > >>
> > >>On Fri, 03 Dec 2004 11:56:02 -0700, Matt Raible <[EMAIL PROTECTED]> wrote:
> > >>
> > >>
> > >>>I would like to change the validation messages to be a bit more
> > >>>friendly, like they are with Commons Validation and Struts/Spring.
> > >>>Basically, instead of:
> > >>>
> > >>>"firstName": Value is required.
> > >>>
> > >>>I'd like it to say "First Name is a required field."
> > >>>
> > >>>I have the following in my resource bundle, but it doesn't give me
> > >>>access to the field's label (i18n-ized).
> > >>>
> > >>>javax.faces.component.UIInput.REQUIRED={0} is a required field.
> > >>>
> > >>>Instead it prints:
> > >>>
> > >>>firstName is a required field.
> > >>>
> > >>>Any idea how to look up a input field's label and use the text from that
> > >>>in the {0}?
> > >>>
> > >>>Thanks,
> > >>>
> > >>>Matt
> > >>>
> > >>>
> > >>>
> > >>>
> > >>--
> > >>If you don't have a GMail account, I probably have 5 invites. Just ask!
> > >>-Heath Borders-Wing
> > >>[EMAIL PROTECTED]
> > >>
> > >>
> > >>
> >
> >
>
>
> --
>
>
> If you don't have a GMail account, I probably have 5 invites. Just ask!
> -Heath Borders-Wing
> [EMAIL PROTECTED]
>
