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using RealTimeGraphX.Controllers;
using RealTimeGraphX.Renderers;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace RealTimeGraphX
{
public class GraphControllerBuilder<TDataSeries, XDataPoint, YDataPoint> where XDataPoint : GraphDataPointBase where YDataPoint : GraphDataPointBase where TDataSeries : class, IGraphDataSeries
{
public enum RendererType
{
Scrolling,
Erase,
}
private List<KeyValuePair<int, Action>> _steps;
private IGraphController<TDataSeries, XDataPoint, YDataPoint> _controller;
private int _data_series_counter = 100;
public GraphControllerBuilder()
{
_steps = new List<KeyValuePair<int, Action>>();
}
public GraphControllerBuilder<TDataSeries, XDataPoint, YDataPoint> SetRenderer(RendererType renderer, TimeSpan refreshRate)
{
return AddStep(0, () =>
{
if (renderer == RendererType.Scrolling)
{
_controller.ConnectOutput(new GraphScrollingRenderer<TDataSeries, XDataPoint, YDataPoint>() { RefreshRate = refreshRate });
}
else
{
_controller.ConnectOutput(new GraphEraseRenderer<TDataSeries, XDataPoint, YDataPoint>() { RefreshRate = refreshRate });
}
});
}
public GraphControllerBuilder<TDataSeries, XDataPoint, YDataPoint> SetRange(YDataPoint minimumY, YDataPoint maximumY, XDataPoint maximumX, bool autoY = false)
{
return AddStep(1, () =>
{
_controller.Range.MinimumY = minimumY;
_controller.Range.MaximumY = maximumY;
_controller.Range.MaximumX = maximumX;
_controller.Range.AutoY = autoY;
});
}
public GraphControllerBuilder<TDataSeries, XDataPoint, YDataPoint> SetPainter<T>() where T : IGraphPainter<TDataSeries>
{
return AddStep(2, () =>
{
_controller.Output.ThrowIfNull("No renderer was set.");
_controller.Output.ConnectOutput(Activator.CreateInstance<T>());
});
}
public GraphControllerBuilder<TDataSeries, XDataPoint, YDataPoint> AddSeries(TDataSeries series)
{
return AddStep(_data_series_counter++, () =>
{
_controller.AddDataSeries(series);
});
}
protected GraphControllerBuilder<TDataSeries, XDataPoint, YDataPoint> AddStep(int index, Action action)
{
_steps.Add(new KeyValuePair<int, Action>(index, action));
return this;
}
protected void CommitSteps()
{
foreach (var step in _steps.ToList().GroupBy(x => x.Key).Select(g => g.First()).OrderBy(x => x.Key))
{
step.Value();
}
}
public IGraphController<TDataSeries, XDataPoint, YDataPoint> Build()
{
_controller = new GraphController<TDataSeries, XDataPoint, YDataPoint>();
CommitSteps();
return _controller;
}
}
}
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