Bug 312859 The list of operator for Chart filter does not provide 30 visible items
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/dialogs/ChartCubeFilterConditionBuilder.java
{
	protected static final Logger logger = Logger.getLogger( FilterConditionBuilder.class.getName( ) );
	
	protected transient String[] popupItems = null;
	
	protected ChartWizardContext context = null;
	private static String[] actions = new String[]{
			Messages.getString( "ExpressionValueCellEditor.selectValueAction" ), 
			Messages.getString( "ExpressionValueCellEditor.buildExpressionAction" ), 
	};
	protected final String NULL_STRING = null;
	protected Composite dummy1, dummy2;