Bug 181061 [Viewers] JFace viewers performance issues in 3.3
A number of the JFace performance tests are red since I20060926-0800.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTableViewer.java
}
	}
	private VirtualManager virtualManager;
	/**
	 * Create the new viewer for table like widgets
	 */
	public AbstractTableViewer() {
		super();
	}
	protected void hookControl(Control control) {
		super.hookControl(control);
		initializeVirtualManager(getControl().getStyle());
	}
	/**
	 * Initialize the virtual manager to manage the virtual state if the table
	 * is VIRTUAL. If not use the default no-op version.
	 * 
	 * @param style
	 */
	private void initializeVirtualManager(int style) {
		if ((style & SWT.VIRTUAL) == 0) {
			return;
		}
		virtualManager = new VirtualManager();
	}
	/**
	 * Adds the given elements to this table viewer. If this viewer does not
	 * have a sorter, the elements are added at the end in the order given;
	 * otherwise the elements are inserted at appropriate positions.
	 * <p>