Rick,
In JSF 1.2, UIInput.java *does* use the "label" property when
constructing faces messages. This *does* conflict (as described below)
with Woodstock's "label" concept. IMO, this is not a JSP-tag-impl
issue, but is a JSF 1.2 component compatibility issue. :(
Ken
David Heffelfinger wrote:
> Richard,
>
> Although what you are describing might be technically correct, the
> fact of the matter is difficult for application developers using
> Woodstock to align components in the traditional way of having all
> labels in one column of a table (usually a panel grid in JSF
> applications), and the components themselves in an adjacent column
> when using the "label" attribute of Woodstock components, since when
> using this attribute the label and component cannot be placed on
> separate columns.
>
> The solution for this is not to use the label attribute, but use a
> separate label component. This works as expected for alignment but it
> has the side effect of generating user "unfriendly" error messages on
> validation since the component ID's are shown in the error message
> instead of the label.
>
> This situation feels like a "catch-22" for application developers, if
> we want user friendly validation errors, we can't vertically align
> components easily, if we want to easily align our components, we can't
> have user friendly error messages.
>
> In my comments for issue 1200
> (https://woodstock.dev.java.net/issues/show_bug.cgi?id=1200), I
> proposed a solution to this problem, which is to have any components
> that output JSF errors (such as <webuijsf:message> and
> <webuijsf:messageGroup>) pick up the label text of any label
> components whose "for" attribute matches the id of the component that
> generated the error, and display it in the error message instead of
> the component ID.
>
> An alternative solution would be to have the Woodstock components
> behave more like the standard JSF components, and use the "label"
> attribute only for error messages, and rely on a separate label
> component to display labels on the page.
>
> David
>
> On Fri, Jun 6, 2008 at 9:40 AM, richard ratta <Richard.Ratta_at_sun.com
> <mailto:Richard.Ratta_at_sun.com>> wrote:
>
>
>
> Stefan Bley wrote:
>
> Hi,
>
> JSF 1.2 introduces the attribute "label" to most of the input
> components,
> e.g. <h:inputText>. That is to provide a useful component name
> that is shown
> in <h:message(s)> when validation errors occur.
>
> However, Woodstock itself provides a "label" attribute to
> shortcut the
> labeling of input components. So how would you plan to be
> highly compliant
> with the standard JSF components?
>
> The "label" attribute you describe if it is defined on
> "inputText", is not part of the JSF
> component spec. It is part of the default JSP language binding or
> the JSF default component set.
>
> The Woodstock components are not a JSF implementation as per the
> spec, since we are not an
> implementation Woodstock does not have implement every part of the
> spec.
> Woodstock is a JSF component library that extends the JSF
> component model and runs on
> JSF 1.2 implementations. Woodstock components extend from UIInput,
> UICommand, UICompoent
> and not the default component implementations.
> I don't believe these classes define a "label" property.
>
>
> How can I use the "label" feature from JSF
> 1.2 within Woodstock without having a label rendered?
>
>
> You couldn't even if we didn't have a label attribute. The JSF
> classes we extend
> from do not define a "label" attribute.
>
> -rick
>
> Regards, Stefan
>
>
>
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