public PricePaneModel(Context context, PriceSeries prices) : base(context, PRICES, "$0.0000", true)
{
var stockPrices = new OhlcDataSeries <DateTime, double> {
SeriesName = "EUR/USD"
};
stockPrices.Append(prices.TimeData, prices.OpenData, prices.HighData, prices.LowData, prices.CloseData);
AddRenderableSeries(new FastCandlestickRenderableSeries {
DataSeries = stockPrices, YAxisId = PRICES
});
var maLow = new XyDataSeries <DateTime, double> {
SeriesName = "Low Line"
};
maLow.Append(prices.TimeData, prices.CloseData.MovingAverage(50));
AddRenderableSeries(new FastLineRenderableSeries {
DataSeries = maLow, StrokeStyle = new SolidPenStyle(0xFFFF3333, 1f.ToDip(context)), YAxisId = PRICES
});
var maHigh = new XyDataSeries <DateTime, double> {
SeriesName = "High Line"
};
maHigh.Append(prices.TimeData, prices.CloseData.MovingAverage(200));
AddRenderableSeries(new FastLineRenderableSeries {
DataSeries = maHigh, StrokeStyle = new SolidPenStyle(0xFF33DD33, 1f.ToDip(context)), YAxisId = PRICES
});
var priceMarker = new AxisMarkerAnnotation(context)
{
Y1 = (Java.Lang.IComparable)stockPrices.YValues.Get(stockPrices.Count - 1), YAxisId = PRICES
};
priceMarker.SetBackgroundColor(0xFFFF3333.ToColor());
var maLowMarker = new AxisMarkerAnnotation(context)
{
Y1 = (Java.Lang.IComparable)maLow.YValues.Get(maLow.Count - 1), YAxisId = PRICES
};
maLowMarker.SetBackgroundColor(0xFFFF3333.ToColor());
var maHighMarker = new AxisMarkerAnnotation(context)
{
Y1 = (Java.Lang.IComparable)maHigh.YValues.Get(maHigh.Count - 1), YAxisId = PRICES
};
maHighMarker.SetBackgroundColor(0xFF33DD33.ToColor());
Annotations.Add(priceMarker);
Annotations.Add(maLowMarker);
Annotations.Add(maHighMarker);
}
private void CreateMainPriceChart()
{
// Create an XAxis and YAxis for our chart
var xAxis = new CategoryDateAxis(Activity)
{
BarTimeFrame = TimeSpan.FromMinutes(5).TotalSeconds,
DrawMajorGridLines = false,
GrowBy = new DoubleRange(0, 0.1)
};
var yAxis = new NumericAxis(Activity)
{
AutoRange = AutoRange.Always
};
// Create RenderableSeries to render the data
var ohlcSeries = new FastOhlcRenderableSeries
{
DataSeries = _ohlcDataSeries,
StrokeUpStyle = new SolidPenStyle(StrokeUpColor, StrokeThickness.ToDip(Activity)),
StrokeDownStyle = new SolidPenStyle(StrokeDownColor, StrokeThickness.ToDip(Activity)),
};
var movingAverage50Series = new FastLineRenderableSeries {
DataSeries = _xyDataSeries, StrokeStyle = new SolidPenStyle(0xFFFF6600, 1.0f)
};
// Create axis markers annotations to show the last values on real-time chart
_smaAxisMarker = new AxisMarkerAnnotation(Activity)
{
Y1Value = 0d
};
_smaAxisMarker.SetBackgroundColor(SmaSeriesColor.ToColor());
_ohlcAxisMarker = new AxisMarkerAnnotation(Activity)
{
Y1Value = 0d
};
_ohlcAxisMarker.SetBackgroundColor(StrokeUpColor.ToColor());
// Populate the chart with Axis, RenderableSeries. The chart automatically updates when any property changes
using (MainSurface.SuspendUpdates())
{
MainSurface.XAxes.Add(xAxis);
MainSurface.YAxes.Add(yAxis);
MainSurface.RenderableSeries.Add(ohlcSeries);
MainSurface.RenderableSeries.Add(movingAverage50Series);
MainSurface.Annotations.Add(_ohlcAxisMarker);
MainSurface.Annotations.Add(_smaAxisMarker);
// Populate some pinch and touch interactions. Pinch to zoom, drag to pan and double-tap to zoom extents
MainSurface.ChartModifiers = new ChartModifierCollection
{
new XAxisDragModifier(),
new ZoomPanModifier {
Direction = Direction2D.XDirection
}.WithReceiveHandledEvents(true),
new ZoomExtentsModifier(),
new LegendModifier(Activity).WithOrientation(Orientation.Horizontal).WithPosition(GravityFlags.CenterHorizontal | GravityFlags.Bottom, 20).WithReceiveHandledEvents(true),
};
}
}