thanks, Brett. right after posting, I had stumbled upon addErrorHandler() while browsing the GWT source and tried exactly this, without any joy. however, with you re-iterating that this was the solution, I tried again, forced a unique URL to avoid the image being loaded from cache, and success.
On Jul 15, 12:04 am, "brett.wooldridge" <[email protected]> wrote: > Almost exactly the same way. If you are only interested in failure: > > public void foo() { > image.addErrorHandler(new ErrorHander() { > public void onError(ErrorEvent event) { > ... > } > }); > > } > > Or if you are interested in both success and failure, your class can > implement both interfaces or you can to synthesize a third interface > that combines them: > > public void foo() { > interface WinAndLose extends LoadHandler, ErrorHander { } > > WinAndLose wal = new WinAndLose() { > public void onLoad(LoadEvent event) { > } > > public void onError(ErrorEvent event) { > ... > } > } > > image.setErrorHandler(wal); > image.setLoadHandler(wal); > > } > > On Jul 15, 3:21 pm, davidroe <[email protected]> wrote: > > > how can I determine that an image failed to load, due to perhaps a > > network error? > > > I used to use image.addLoadListener(new LoadListener() { > > public void onLoad(Widget sender) { > > ... > > } > > public void onError(Widget sender) { > > ... > > } > > > } > > > and anything that arrived through onError() was deemed a problem. > > > how can I achieve the same thing with addLoadHandler(new LoadHandler > > ()) and the associated LoadEvent? > > > thanks, > > /dave --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
