Bug 203838 [Markers] [Markers] clicking on column headers does not sort table
I20070918 Clicking on any of the column headers does not sort based on the relevant column.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/ExtendedMarkersView.java
* 
	 * @see org.eclipse.ui.part.ViewPart#init(org.eclipse.ui.IViewSite,
	 *      org.eclipse.ui.IMemento)
	 */
	public void init(IViewSite site, IMemento memento) throws PartInitException {
		super.init(site, memento);
		MarkerContentGenerator generator = null;
		if (memento != null) {
			generator = MarkerSupportRegistry.getInstance().getGenerator(
					memento.getID());
		}
		if (generator == null)
			generator = MarkerSupportRegistry.getInstance().generatorFor(
					site.getPage().getPerspective());
		builder = new CachedMarkerBuilder(generator);
		builder.setUpdateJob(getUpdateJob(builder));
		Object service = site.getAdapter(IWorkbenchSiteProgressService.class);
		if (service != null)
			builder.setProgressService((IWorkbenchSiteProgressService) service);
		state = new MarkerState(memento);
		setPartName(generator.getName());
	}
	/**
	 * Return whether or not group is enabled.
	 * 
	 * @param group
	 * @return boolean
	 */
	public boolean isEnabled(MarkerFieldFilterGroup group) {
		return builder.getGenerator().getEnabledFilters().contains(group);