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
table.setHeaderVisible( false );
		table.setLinesVisible( true );
		TableColumn column;
		int i;
		String[] columNames = new String[]{
			Messages.getString( "FilterConditionBuilder.list.item1" ), 
		};
		int[] columLength = new int[]{
			288
		};
		for ( i = 0; i < columNames.length; i++ )
		{
			column = new TableColumn( table, SWT.NONE, i );
			column.setText( columNames[i] );
			column.setWidth( columLength[i] );
		}
		table.addSelectionListener( new SelectionListener( ) {
			public void widgetDefaultSelected( SelectionEvent e )
			{
			}
			public void widgetSelected( SelectionEvent e )
			{
				checkEditDelButtonStatus( );
			}
		} );
		table.addKeyListener( new KeyListener( ) {
			public void keyPressed( KeyEvent e )
			{
				if ( e.keyCode == SWT.DEL )
				{