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/actions/CommonActionProviderDescriptor.java
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.internal.navigator.CustomAndExpression;
import org.eclipse.ui.internal.navigator.NavigatorPlugin;
import org.eclipse.ui.internal.navigator.extensions.INavigatorContentExtPtConstants;
import org.eclipse.ui.internal.navigator.extensions.SkeletonActionProvider;
import org.eclipse.ui.navigator.CommonActionProvider;
import org.eclipse.ui.navigator.Priority;
/**
 *  
 * 
 * @since 3.2
 */
public class CommonActionProviderDescriptor implements
		INavigatorContentExtPtConstants {
	private static final String DEFAULT_ID = "org.eclipse.ui.navigator.actionProvider"; 
	
	private static int count = 0;
	private final IConfigurationElement configurationElement;
	private final String pluginId;
	
	private final boolean isNested;
	private Set dependentDescriptors;
	private Set overridingDescriptors;
	private IConfigurationElement enablementElement;
	private Expression enablement;
	private boolean hasLoadingFailed;
	private String definedId;
	private String visibilityId;
	private String dependsOnId;