Ed,
The JIRA has insufficient information to determine what the design is
and whether it is correct.
-- Blake Sullivan
On 11/11/11 7:24 AM, Ed Burns wrote:
> When working on JavaJsf (a little side project for a Java VDL), I
> noticed that we need some way to throw out all but the most recent ajax
> events that have been queued in a short time interval. This is typical
> of the case where you are sending one ajax event per keystroke for an
> auto-suggest gui, but you only want the thing to start suggesting when
> the user pauses a bit from their typing.
>
> I asked our JavaScript expert Werner Punz about it and, naturally, he
> said, "oh yeah, I've had that in MyFaces since Willy Brandt was in
> office".
>
> So, I filed this issue:
>
> http://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-1050
>
> I'm marking it PROVISIONALLY CLOSED because I'm happy with the way it
> stands now, but I can change it if people here think it needs changing.
>
> You can look at the change to the jsdocs [1] Facelets TLDDocs [2] and
> JavaDocs [3] but here's the gist. Add a "delay" attribute with the
> following specification.
>
> If less than delay milliseconds elapses between calls to request()
> only the most recent one is sent and all other requests are
> discarded. The default value of this option is 300. If the value of
> delay is the literal string 'none' without the quotes, no delay is
> used.
>
> On IRC, Werner advocated for the special value '0' instead of 'none' but
> I assert the two are different. With '0', you still have a setTimeout()
> call, but its delay argument is the numeric 0. This is different from
> 'none' where there is no setTimeout() call.
>
> Also, some may argue about my making 300 be the default delay. I assert
> this is the correct behavior with the 80/20 rule because most times
> people do really want a delay.
>
> ACTION: Please kindly request any changes within a week of this email.
>
> Ed
>
> [1] https://maven.java.net/service/local/repositories/snapshots/archive/javax/faces/javax.faces-api/2.2-SNAPSHOT/javax.faces-api-2.2-20111110.224904-25-javadoc.jar/!/jsdocs/symbols/jsf.ajax.html#constructor
>
> [2] https://maven.java.net/service/local/repositories/snapshots/archive/javax/faces/javax.faces-api/2.2-SNAPSHOT/javax.faces-api-2.2-20111110.224904-25-javadoc.jar/!/vdldocs/facelets/f/ajax.html
>
> [3] https://maven.java.net/service/local/repositories/snapshots/archive/javax/faces/javax.faces-api/2.2-SNAPSHOT/javax.faces-api-2.2-20111110.224904-25-javadoc.jar/!/javadocs/javax/faces/component/behavior/AjaxBehavior.html
>
>
>