Bug 127629 [Markers] problems view: keep selection stable
I20050214-0010 1. Select a grouping (e.g. Java problem type) and select a marker inside 2. Switch to another grouping Selection is gone. Same when - changing filter - a build adds new marker (in a different file)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/ProblemView.java
} catch (InterruptedException e) {
							return Status.CANCEL_STATUS;
						}
						problemView.selectCategoryField(groupingField, problemView
								.getMarkerAdapter().getCategorySorter());
						
						getMarkerAdapter().getCategorySorter().saveState(
								getDialogSettings());
						return Status.OK_STATUS;
					}
				};
				categoryJob.setSystem(true);
				
				IWorkbenchSiteProgressService progressService = getProgressService();
				if (progressService == null)
					categoryJob.schedule();
				else
					getProgressService().schedule(categoryJob);		
					
				
			}
		}
	}
	/**
	 * Return a new instance of the receiver.
	 */
	public ProblemView() {
		super();
		creationTime.setShowing(false);
	}