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
}
		public void inputChanged( Viewer viewer, Object oldInput,
				Object newInput )
		{
		}
		public Object[] getElements( Object inputElement )
		{
			if ( inputElement == null )
			{
				return new Object[0];
			}
			else if ( inputElement instanceof List )
			{
				return ( (List) inputElement ).toArray( );
			}
			return null;
		}
	};
	protected SelectionListener operatorSelectionListener = new SelectionListener( ) {
		public void widgetSelected( SelectionEvent e )
		{
			String value = getValueForOperator( operator.getText( ) );
			valueVisible = determineValueVisible( value );
			if ( valueVisible == 3 )
			{
				int ret = createValueListComposite( operator.getParent( ) );
				if ( ret != 0 )
				{
					if ( inputHandle != null )
					{