Browses the given Model for its Charts and then returns them in a list.
"""
chartsOf :: Model -> <ReadGraph> [Chart]
Browses the given Model for its Charts and then returns them in a list.
"""
chartsOf :: Model -> <ReadGraph> [Chart]
chartGrp = filter isChartGroup cs
charts + concatMap recurse chartGrp
isChart r = isInstanceOf r CHART.TimeSeriesChart
chartGrp = filter isChartGroup cs
charts + concatMap recurse chartGrp
isChart r = isInstanceOf r CHART.TimeSeriesChart