Bug 313297 XML data set fail in chart data preview
chart/org.eclipse.birt.chart.ui/src/org/eclipse/birt/chart/ui/swt/CustomPreviewTable.java
MouseListener,
		MouseMoveListener,
		ControlListener,
		DisposeListener,
			KeyListener
{
	
	private static final int ROW_HEIGHT = 20;
	public static final int MOUSE_RIGHT_CLICK_TYPE = 0;
	public static final int FOCUS_IN = 1;
	
	private static final int SPLITTER_WIDTH = 2;
	
	private transient Vector<ColumnBindingInfo> fHeadings = null;
	
	private transient boolean isDummy = true;