Bug 212008 [Presentations] Problemss View loses icon when it gets focus in n I20071204-1547
Everything is in the title.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/ExtendedMarkersView.java
.equals(IDEInternalPreferences.USE_MARKER_LIMITS)
						|| propertyName
								.equals(IDEInternalPreferences.MARKER_LIMITS_VALUE)) {
					viewer.refresh();
				}
			}
		};
		IDEWorkbenchPlugin.getDefault().getPreferenceStore()
				.addPropertyChangeListener(preferenceListener);
	}
	/**
	 * Add all concrete {@link MarkerItem} elements associated with the receiver
	 * to allMarkers.
	 * 
	 * @param markerItem
	 * @param allMarkers
	 */
	private void addAllConcreteItems(MarkerItem markerItem,
			Collection allMarkers) {
		if (markerItem.isConcrete()) {
			allMarkers.add(markerItem);
			return;
		}
		MarkerItem[] children = markerItem.getChildren();
		for (int i = 0; i < children.length; i++) {
			addAllConcreteItems(children[i], allMarkers);
		}
	}
	/**
	 * Add the category to the list of expanded categories.