Bug 208055 [Markers] Need a sorting method for the markers view
As there is currently no accessible way to change sort order or direction. A menu should be enough.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/MarkerContentGenerator.java
/**
	 * Re-generate all of the markers and filter them based on the enabled
	 * filters.
	 * 
	 * @param subMonitor
	 * @return MarkerMap
	 */
	public MarkerMap generateFilteredMarkers(SubProgressMonitor subMonitor) {
		Collection filters = getEnabledFilters();
		Collection returnMarkers = null;
		if (filters.size() > 0) {
			Iterator filtersIterator = filters.iterator();
			if (andFilters) {
				Collection matching = new HashSet();
				while (filtersIterator.hasNext()) {
					computeMarkers(matching, subMonitor,
							(MarkerFieldFilterGroup) filtersIterator.next());
					if (returnMarkers == null)
						returnMarkers = new HashSet(matching);
					else
						findIntersection(matching, returnMarkers);
					matching.clear();
				}
			} else {
				returnMarkers = new HashSet();
				while (filtersIterator.hasNext()) {
					computeMarkers(returnMarkers, subMonitor,
							(MarkerFieldFilterGroup) filtersIterator.next());
				}
			}