Bug 16308 [DND] dnd from os to navigator shows an incorrect icon
smoke test for 0518 it shows a move icon although move will not happen
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/navigator/NavigatorDropAdapter.java
return children[0];
		} else {
			return new MultiStatus(PlatformUI.PLUGIN_ID, 0, children, message, null);
		}
	}
	
	/**
	 * Returns an status indicating success.
	 */
	private IStatus ok() {
		return new Status(Status.OK, PlatformUI.PLUGIN_ID, 0, ResourceNavigatorMessages.getString("DropAdapter.ok"), null); 
	}
	
	/**
	 * Opens an error dialog if necessary.  Takes care of
	 * complex rules necessary for making the error dialog look nice.
	 */
	private void openError(IStatus status) {
		if (status == null)
			return;
		String genericTitle = ResourceNavigatorMessages.getString("DropAdapter.title"); 
		int codes = IStatus.ERROR | IStatus.WARNING;
		
		if (!status.isMultiStatus()) {
			ErrorDialog.openError(getShell(), genericTitle, null, status, codes);
			return;
		}
		
		IStatus[] children = status.getChildren();
		if (children.length == 1) {