public OxyChart()
{
ISubject <MultiTimeModel> modelSubject = new Subject <MultiTimeModel>();
var modelChanges = this
.Control <PlotView>()
.Subscribe(plotView =>
{
plotView.Model ??= new PlotModel();
var model = new MultiTimeModel(plotView.Model);
modelSubject.OnNext(model);
});
modelSubject
.CombineLatest(
this.Observable <IEnumerable>()
.WhereNotNull()
.Select(cc =>
{
return(cc.MakeObservable().Select(a => cc));
}),
this.Observable <string>(nameof(DataKey)),
this.Observable <string>(nameof(DataConverter)),
this.Observable <string>(nameof(IdKey)).Where(id => id != null))
.ObserveOnDispatcher()
.Subscribe(combination =>
{
Combine(combination.First, combination.Second, combination.Third, combination.Fourth, combination.Fifth);
});
static HashSet <string> GetIds(MultiTimeModel model, string key, string converter, string idKey, IEnumerable collection)
{
// var itt = ItemsSource.Cast<object>().Select(o => o.GetType().GetProperty(IdProperty).GetValue(o).ToString());
HashSet <string> ids = new HashSet <string>();
foreach (var item in collection)
{
Color color = (Color)item.GetType().GetProperties().FirstOrDefault(a => a.PropertyType == typeof(Color))?.GetValue(item);
var aa = item.GetType().GetProperties().FirstOrDefault(a => a.PropertyType == typeof(TimeSpan));
TimeSpan?timeSpan = (TimeSpan?)aa?.GetValue(item);
var id = item.GetType().GetProperty(idKey).GetValue(item).ToString();
ids.Add(id);
if (color != default)
{
model.OnNext(new KeyValuePair <string, Color>(id, color));
}
if (timeSpan != default)
{
model.OnNext(new KeyValuePair <string, TimeSpan>(id, timeSpan.Value));
}
IEnumerable <DateTimePoint> data;
if (converter != null)
{
data = item.GetType().GetProperties().FirstOrDefault(a => a.Name == key)?.GetValue(item) as IEnumerable <DateTimePoint>;
}
else if (key != null)
{
data = item.GetType().GetProperties().FirstOrDefault(a => a.Name == key)?.GetValue(item) as IEnumerable <DateTimePoint>;
}
else
{
continue;
//return ids;
}
data
.MakeObservable()
.Select(a => new KeyValuePair <string, (DateTime dt, double d)>(id, (a.DateTime, a.Value))).Buffer(TimeSpan.FromSeconds(0.5))
.Where(a => a.Count > 0)
.Subscribe(data =>
{
model.OnNext(data);
});
}
return(ids);
}
static void Combine(MultiTimeModel model, IObservable <IEnumerable> items, string dataKey, string converter, string idKey)
{
if (items == default(IObservable <string>))
{
model.Filter(null);
}
else
{
items
.ObserveOnDispatcher()
.Subscribe(collection =>
{
HashSet <string> ids = GetIds(model, dataKey, converter, idKey, collection);
model.Filter(ids);
var colors = model.SelectColors();
}, e =>
{
},
() =>
{ });
}
