Bug 302791 [CommonNavigator] Associated editor does not close when deleting resource (editorInput) through CommonNavigator
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/sorters/CommonSorterDescriptor.java
}
		}
		return true;
	}
	/**
	 * 
	 * @return An instance of the ViewerSorter defined by the extension. Callers
	 *         of this method are responsible for managing the instantiated
	 *         filter.
	 */
	public ViewerSorter createSorter() {
		try {
			return (ViewerSorter) element.createExecutableExtension(ATT_CLASS);
		} catch (RuntimeException re) {
			NavigatorPlugin.logError(0, re.getMessage(), re);
		} catch (CoreException e) {
			NavigatorPlugin.logError(0, e.getMessage(), e);
		}
		return SkeletonViewerSorter.INSTANCE;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#toString()
	 */
	public String toString() {
		return "CommonSorterDescriptor[" + getId() + "]"; 
	}
}