private LayoutChoice_Set plot()
{
// sort activities by their discovery date
// make a plot
PlotView plotView = new PlotView();
List <Datapoint> activitiesDatapoints = this.getDatapoints(this.activityDatabase.AllActivities);
plotView.AddSeries(activitiesDatapoints, false);
List <Datapoint> categoriesDatapoints = this.getDatapoints(this.activityDatabase.AllCategories);
plotView.AddSeries(categoriesDatapoints, false);
// add tick marks for years
if (activitiesDatapoints.Count > 0)
{
plotView.XAxisSubdivisions = TimeProgression.AbsoluteTime.GetNaturalSubdivisions(activitiesDatapoints[0].Input, activitiesDatapoints[activitiesDatapoints.Count - 1].Input);
}
// add description
string todayText = DateTime.Now.ToString("yyyy-MM-dd");
LayoutChoice_Set result = new Vertical_GridLayout_Builder()
.AddLayout(new TextblockLayout("Number of activities over time"))
.AddLayout(new ImageLayout(plotView, LayoutScore.Get_UsedSpace_LayoutScore(1)))
.AddLayout(new TextblockLayout("You have " + activitiesDatapoints.Count + " activities, " + categoriesDatapoints.Count + " of which are categories. Today is " + todayText))
.BuildAnyLayout();
return(result);
}