[Seaside] Implement "please wait" message using smallfaces.

Hernán Morales Durand hernan.morales at gmail.com
Thu Dec 10 21:13:43 UTC 2009

Hi Timothy,
  Please load the SFSpinner package in the SmallFaces repository and
try the WASpinnerExample component. It's somewhat outdated concerning
the latest SmallFaces protocol but it should work fine for your needs.
Let me know if it's what you're looking for.


2009/12/9 Timothy James Ziebart <timothy at churchmilitant.org>:
> Hi all.  I've built a fairly complex interface using SmallFaces components.
> 9 listboxes,  4 buttons,  3 labels, 1 panel and two custom components
> (subclasses of SFAbstractWidget -  search results and a map).  Selecting an
> option in one listbox results in a chain of events being executed - the
> contents of two other listboxes are updated, a search conducted on a remote
> server and the results being displayed including label and button statuses
> being updated.   There are no submit or search buttons - selecting a listbox
> option starts the process (I will be adding the functionality to include the
> search button should the user not have javascript on).  There are no forms.
>  It works well - that is not the problem.
> The challenge I have is due to the delay in getting data from the remote
> server I would like to implement a "please wait" message while the data is
> being retrieved.  I am not having any success getting it to work.
> I tried a SUPeriodical object reading a variable holding updated message
> text but, it stops while the data is being retrieved and will display the
> content only when the remaining components are updated -- too late.  Is it
> possible to have an element update the content and display the results
> before the remainder of the requests are processed? What would that look
> like?  Does SUEvaluater/updater update content and render before processing
> the next script?
> I was looking at Ramon Leon's Ajax Polling and Concurrency articles thinking
> I may have to head in that direction.   Is that the direction I need to head
> in?  Any suggestions would be helpful.
> As you can tell I am confused about the sequence when a element on a page
> has it's content updated and when the browser displays the results using
> ajax.
> Thank you for the help.
> Tim
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