[udig-devel] Interesting threading example...

[Jody Garnett <jgarnett@xxxxxxxxxxxxxxx>]

Found the following quick example of starting something in a thread, 
showing the busy cursor (for the ui element that is waiting on the 
result) and updating the status on error....

>         // Start busy indicator.
>        
>  BusyIndicator.showWhile(parentWizardPage.getShell().getDisplay(), new 
> Runnable() {
>             public void run() {
>                 Platform.run(new SafeRunnable() {
>
>                     /**
>                      * Add the exception details to status is one happens.
>                      */
>                     public void handleException(Throwable e) {
>                         statuses[0] =
>                             new Status(
>                                 IStatus.ERROR,
>                                 wizardElement
>                                     .getConfigurationElement()
>                                     .getDeclaringExtension()
>                                     .getUniqueIdentifier(),
>                                 IStatus.OK,
>                                 e.getMessage() == null ? "" : 
> e.getMessage(), //$NON-NLS-1$,
>                                 e);
>                     }
>                     public void run() {
>                         try {
>                             workbenchWizard[0] = createWizard();
>                             // create instance of target wizard
>                         } catch (CoreException e) {
>                             statuses[0] = e.getStatus();
>                         }
>                     }
>                 });
>             }
>         });