Bug 110087 [Markers] "Filters" menu doesn't remember the last selected filter
When I was playing with this it was a true pain. I'd change somes ettings to see what effect it had and then re-open the dialog to try some other settings I had to re-select my filter (it selects the first one always)...
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/FiltersConfigurationDialog.java
* @see org.eclipse.jface.dialogs.Dialog#okPressed()
	 */
	protected void okPressed() {
		Iterator filterGroupIterator = filterGroups.iterator();
		while (filterGroupIterator.hasNext()) {
			MarkerFieldFilterGroup group = (MarkerFieldFilterGroup) filterGroupIterator
					.next();
			group.setEnabled(filtersList.getChecked(group));
		}
		if (selectedFilterGroup != null) {
			scopeArea.applyToGroup(selectedFilterGroup);
			Iterator areas = filterAreas.iterator();
			while (areas.hasNext()) {
				FilterConfigurationArea area = (FilterConfigurationArea) areas
						.next();
				
				if (area instanceof GroupFilterConfigurationArea)
					((GroupFilterConfigurationArea) area)
							.applyToGroup(selectedFilterGroup);
				area.apply(selectedFilterGroup.getFilter(area.getField()));
			}
		}
		super.okPressed();
	}
	/**
	 * Remove the filters in selection.
	 * 
	 * @param selection
	 */
	private void removeFilters(ISelection selection) {