model.setLegend(new Legend(Position.TOP, true));
model.setScaleProvider(ScaleProvider.ROUNDED_NEAREST_SCALE_PROVIDER);
BarChart bar = new BarChart(BarStyle.GLASS);
bar.setColour("#00aa00");
BarDataProvider barProvider = new BarDataProvider("alphasales", "month");
barProvider.bind(store);
bar.setDataProvider(barProvider);
bar.addChartListener(listener);
model.addChartConfig(bar);
bar = new BarChart(BarStyle.GLASS);
bar.setColour("#0000cc");
barProvider = new BarDataProvider("betasales");
barProvider.bind(store);
bar.setDataProvider(barProvider);
bar.addChartListener(listener);
model.addChartConfig(bar);
bar = new BarChart(BarStyle.GLASS);
bar.setColour("#ff6600");
barProvider = new BarDataProvider("gammasales");
barProvider.bind(store);
bar.setDataProvider(barProvider);
bar.addChartListener(listener);
model.addChartConfig(bar);
LineChart line = new LineChart();