I have done a quick test and it works perfectly! Thanks Geoff!
------------------------------------------------------------------ David Germán Canteros 2012/4/12 Geoff Callender <geoff.callender.jumpst...@gmail.com> > Hi all, > > I've taken on board all the suggestions and observations here about > AjaxFormLoop problems and fixes, and done a complete rewrite of the > JumpStart examples. I've put a beta on the demo site. Is every corner case > handled now? I sure hope so. See if you can find a hole in it. > > http://jumpstart.doublenegative.com.au/jumpstart/ > > Cheers, > > Geoff > > > On 23/03/2012, at 1:57 AM, George Christman wrote: > > > Hi David, after some testing I wanted to provide you with some updates > based > > on some scenarios I ran into. > > > > You'll notice in the !request.isHXR condition, I'm checking for a null > > lineItem id. This prevents duplicate objects from being added to the > > collection. > > > > @SuppressWarnings("unchecked") > > public ValueEncoder getEncoderLineItem() { > > return new ValueEncoder<LineItem>() { > > public String toClient(LineItem value) { > > Long id = value.getId(); > > return id == null ? NEW_OBJ : id.toString(); > > } > > > > public LineItem toValue(String idAsString) { > > lineItem = null; > > > > if (!idAsString.equals(NEW_OBJ)) { > > Long id = new Long(idAsString); > > lineItem = (LineItem) session.get(LineItem.class, id); > > } > > > > // AjaxFormLoop can't handle null obj, so if null we > return > > a new empty obj. > > lineItem = lineItem == null ? new LineItem() : lineItem; > > > > if (!request.isXHR() && lineItem.getId() == null) { > > lineItem.setPurchaseRequest(pr); > > pr.getLineItems().add(lineItem); > > } > > return lineItem; > > } > > }; > > } > > > > I also found a cleaner way to copy the persisted data to the new session. > > > > > > void onActivate() { > > System.out.println("onActivate " + this.pr); > > > > if (this.pr == null) { > > this.pr = prPersist != null ? prPersist : new > PurchaseRequest(); > > prPersist = null; > > } > > > > } > > > > Class<?> onActivate(Long prId) { > > > > PurchaseRequest purchaseRequest = prPersist != null ? prPersist : > > (PurchaseRequest) session.get(PurchaseRequest.class, prId); > > } > > > > If you have any better solutions, please feel free to share. > > > > > > -- > > View this message in context: > http://tapestry.1045711.n5.nabble.com/Server-Side-Validation-with-ajax-form-loop-tp5120576p5586509.html > > Sent from the Tapestry - User mailing list archive at Nabble.com. > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > > For additional commands, e-mail: users-h...@tapestry.apache.org > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > For additional commands, e-mail: users-h...@tapestry.apache.org > >
