Create a generic error handling method

[Henrik Heimbuerger]

Implement a method that can be used to report an error to the user. The error should be logged and the user should be shown some kind of dialog.

I guess de.jacavi.rcp.util would be the right package for the corresponding class. OpenTrackFileAction's handleException() method could probably be used as a template.

[Henrik Heimbuerger]

TrackDesigner.handleDeletion() is a good candidate for the first usage.

[SVN]

New commit by frohn (revision [147]):
[Fix for ticket #38] An initial ExceptionHandler? added

For further information see javadoc.

[SVN]

New commit by hheimbuerger (revision [161]):
[Partial fix for ticket #38] Added basic error handling code for exceptions thrown by the event dispatcher thread.

Just a hack in multiple ways, please see the ticket comments for more information.

[Henrik Heimbuerger]

Exceptions thrown during event handling are now reported. The eventLoopException() method of ApplicationWorkbenchAdvisor has been overridden to do that. However, some further inspection of the RCP documentation indicates that the correct way would be to override getWorkbenchErrorHandler() in the same class. Further research is necessary.

Also, an additional method has been added to the ExceptionHandler because most of the data required by the existing method is not available here. That method is really just a hack and should be removed.

Generally, the handleException() method's argument list should be simplified. A user should for example not be required to know what IStatus and Status are.

[SVN]

New commit by froth (revision [327]):
[Related to ticket #38] added an easy to use handleException method to the ErrorHandler? class

Runtime exceptions will not use this error handler therefore see the ApplicationWorkbench?.