Bug 263984 javadoc warning in N200902052000 for org.eclipse.ui.navigator
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonDropAdapterAssistant.java
*/
	protected INavigatorContentService getContentService() {
		return contentService;
	}
	/**
	 * 
	 * @return A shell for the viewer currently used by the
	 *         {@link INavigatorContentService}.
	 */
	protected final Shell getShell() {
		return ((NavigatorContentService) contentService).getShell();
	}
	/**
	 * Sets the current {@link DropTargetEvent}.
	 * 
	 * This is used to make the event available to the client methods of this class.
	 * 
	 * @param event
	 *            the new event.
	 * 
	 * @since 3.4
	 */
	void setCurrentEvent(DropTargetEvent event) {
		_currentEvent = event;
	}
	/**
	 * Returns the current {@link DropTargetEvent}.
	 * 
	 * @return event the current DropTargetEvent.
	 *