protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.BarPage);
plotViewModel = FindViewById <PlotView>(Resource.Id.plotViewModel);
mLLayoutModel = FindViewById <LinearLayout>(Resource.Id.linearLayoutModel);
AdaptedList <BikeContainer> FietsTrommels = DataFactory.GetBikeContainers();
string[] neighbourhoods = new string[] { "noord", "delfshaven", "centrum", "feijenoord", "kralingen" };
int[] CountsPerNeighbourhood = new int[5];
for (int i = 0; i < neighbourhoods.Length; i++)
{
CountsPerNeighbourhood[i] = FietsTrommels.Filter(
item => item.Deelgemeente == neighbourhoods[i]
).Count;
neighbourhoods[i] = Extensions.FirstCharToUpper(neighbourhoods[i]);
}
plotModel = Core.GraphMaker.Barchartmaker(CountsPerNeighbourhood, colors);
//Makes the axes unscrollable. Do not use with pie-chart!
plotModel = Core.GraphMaker.Axisdecorator(plotModel, neighbourhoods, false);
//Adding a legend (Optional) Best use with Pie chart.
//mLLayoutModel = Core.GraphMaker.Legendamaker(colors, this, modelAllocations, mLLayoutModel, 150);
//Adding the model to the view
MyModel = plotModel;
plotViewModel.Model = MyModel;
}
// Method for making the chart based on the data and user input
private PlotModel Chartmaker(string inhoud, int maand, string mastr)
{
new Thread(new ThreadStart(Getdata)).Start();
// Filtering the Bike containers
AdaptedList <BikeContainer> Fietstrommels2 =
FietsTrommels.Filter(element => element.Deelgemeente == inhoud.ToLower());
// Filtering the Theft
AdaptedList <Theft> FietsDiefstal2 =
FietsDiefstal.Filter(element => element.Neighbourhood == inhoud.ToLower());
AdaptedList <Month> months = this.dataFactory.CreateMonths(new AdaptedList <DateTime>(FietsDiefstal2.Map <DateTime>(e => e.Date).OrderBy(e => e.Date).ToList()), false);
months = months.Filter(item => item.GetMonth == maand);
//Making arrays
int[] bak = new int[] { Fietstrommels2.Count };
int[] thefts = new[] { months[0].EventsThisMonth };
string[] xas = new[] { Extensions.FirstCharToUpper("Bike thefts in " + Fietstrommels2[0].Deelgemeente + " for the month " + mastr) };
//Making a chart
PlotModel model = GraphMaker.Mutiplebarschartmaker(bak, thefts, "Fietstrommels", "Diefstallen");
model = GraphMaker.Axisdecorator(model, xas, false);
return(model);
}
public PieChartActivity()
{
this.data = new DataFactory().GetBikeThefts();
var PartialSelectedList = this.data.GroupBy(i => i.Brand);
SelectData(PartialSelectedList);
}
public AdaptedList <Month> CreateMonths(AdaptedList <DateTime> Dates, bool splitYears)
{
AdaptedList <Month> SortedMonths = new AdaptedList <Month>();
Predicate <Month> Predicate;
//e => (e.GetYear == date.Year) && (e.GetMonth == date.Month)
foreach (DateTime date in Dates)
{
if (splitYears)
{
Predicate = e => (e.GetYear == date.Year) && (e.GetMonth == date.Month);
}
else
{
Predicate = e => (e.GetMonth == date.Month);
}
// Temporary filtered list to check if the month already exists.
AdaptedList <Month> PredicateMonthList = SortedMonths.Filter(Predicate);
if (PredicateMonthList.Count == 0)
{
SortedMonths.Add(new Month(date, 1));
}
else if (PredicateMonthList.Count == 1)
{
PredicateMonthList[0].EventsThisMonth += 1;
}
else
{
break;
}
}
return(SortedMonths);
}
public override AdaptedList <BikeContainer> GetProcessedData()
{
string RawJsonContent = base.Dec_DataProcessor.GetProcessedData();
List <BikeContainer> BikeList = JsonConvert.DeserializeObject <List <BikeContainer> >(RawJsonContent);
var Bikes = new AdaptedList <BikeContainer>(BikeList);
return(Bikes);
}
public override AdaptedList <Theft> GetProcessedData()
{
string RawJsonContent = base.Dec_DataProcessor.GetProcessedData();
List <Theft> TheftList = JsonConvert.DeserializeObject <List <Theft> >(RawJsonContent);
var Thefts = new AdaptedList <Theft>(TheftList);
return(Thefts);
}
public AdaptedList <Theft> GetBikeThefts()
{
if (SavedBikeThefts == null)
{
SavedBikeThefts = new JsonToTheft(new WebReader(BikeTheftUrl)).GetProcessedData();
}
return(SavedBikeThefts);
}
public AdaptedList <BikeContainer> GetBikeContainers()
{
if (SavedBikeContainers == null)
{
SavedBikeContainers = new JsonToBikeContainers(new WebReader(BikeContainerUrl)).GetProcessedData();
}
return(SavedBikeContainers);
}
public AdaptedList <Z> Map <Z>(Func <R, Z> Func)
{
AdaptedList <Z> MappedList = new AdaptedList <Z>();
foreach (R value in this)
{
MappedList.Add(Func(value));
}
return(MappedList);
}
public override ConLocation GetProcessedData()
{
var BikeContainers = base.Dec_DataProcessor.GetProcessedData().Filter(item => item.GetLatitude() != 0 || item.GetLongitude() != 0);
AdaptedList <ConLocation> Locations = BikeContainers.Map <ConLocation>(item => new ConLocation(item,
Extensions.Distance(item.GetLatitude(),
item.GetLongitude(),
UserLat,
UserLon)));
var filtered = Locations.OrderBy(e => e.Dist).ToList();
return(filtered[0]);
}
/// <summary>
/// Create-method which handles all the logic to create a specific linechart.
/// </summary>
/// <returns>
/// Plotmodel, containing the lineseries. Ready for use.
/// </returns>
public PlotModel GetProcessedData()
{
LineSeries lineSerie = new LineSeries()
{
DataFieldX = "Date",
DataFieldY = "Amount",
LineStyle = LineStyle.Solid,
Color = OxyColor.FromRgb(255, 0, 0)
};
PlotModel model = new PlotModel()
{
Title = "Thefts per month"
};
// Defining the X-Axis as a DateTimeAxis.
DateTimeAxis date_Axis = new DateTimeAxis()
{
StringFormat = "MM/yyyy",
Position = AxisPosition.Bottom,
IntervalLength = 75,
MinorIntervalType = DateTimeIntervalType.Months,
IntervalType = DateTimeIntervalType.Months,
MajorGridlineStyle = LineStyle.Solid,
MinorGridlineStyle = LineStyle.None,
IsPanEnabled = false,
IsZoomEnabled = false
};
// Defining the Y-Axis.
LinearAxis YAxis = new LinearAxis()
{
IsPanEnabled = false,
IsZoomEnabled = false,
AxislineThickness = 5
};
lineSerie.Smooth = true;
AdaptedList <Month> Months = this.SortDateTimesByMonth();
// Assigning datapoints to the lineseries.
foreach (Month month in Months)
{
lineSerie.Points.Add(new DataPoint(DateTimeAxis.ToDouble(month.ThisMonth), month.EventsThisMonth));
}
// Adding axes to the plotmodel.
model.Axes.Add(date_Axis);
model.Axes.Add(YAxis);
model.Series.Add(lineSerie);
this.OnDataCompleted();
return(model);
}
private void GetData()
{
// Getting BikeTheft data from the database.
if (TheftDates == null)
{
InvokeUI(() => Toast.MakeText(Application.Context, "Graph is loading...", ToastLength.Long).Show());
TheftDates = dataFactory.GetBikeThefts().Map <DateTime>(e => new DateTime(e.Date.Year, e.Date.Month, 1));
TheftDates = TheftDates.Filter(e => e > new DateTime(2011, 1, 1) && e < DateTime.Now);
}
// For sparing memory, we clear the Theftlist.
IDataProcessor <PlotModel> LineChart = new LineChartBuilder(ref TheftDates);
Model = LineChart.GetProcessedData();
InvokeUI(() => this.plotView.Model = Model);
}
// Method for getting data
private void Getdata()
{
if (FietsTrommels == null && FietsDiefstal == null)
{
InvokeUI(() => Toast.MakeText(Application.Context, "Data is loading...", ToastLength.Long).Show());
// Getting the data
FietsTrommels = this.dataFactory.GetBikeContainers();
FietsDiefstal = this.dataFactory.GetBikeThefts();
}
//Display message
if (this.r)
{
InvokeUI(
() => Toast.MakeText(Application.Context, "Please choose a Neighbourhood", ToastLength.Long).Show());
InvokeUI(() => spin.Enabled = true);
this.r = false;
}
}
public LineChartBuilder(ref AdaptedList <DateTime> Dates)
{
this.Dates = Dates;
}
/// <summary>
/// Method for creating Month-objects in an Adaptedlist.
/// The method filters the list to check if the month already exists.
/// If it already exists, the amount of events in that specifc month is increased by 1.
/// Else, the month will be added to the SortedDatesList and the amount of events in that month is also increased by 1.
/// </summary>
/// <returns>AdaptedList with Month-objects, containing only distinct months. (The same month as another will never be in this list twice or more)</returns>
private AdaptedList <Month> SortDateTimesByMonth()
{
this.Dates = new AdaptedList <DateTime>(this.Dates.OrderBy(e => e.Date).ToList <DateTime>());
return(new DataFactory().CreateMonths(this.Dates, true));
}
