void TestYahooChart(string symbol, DateTime startDate)
{
chartProvider = new ChartDataProviderYahoo(symbol, null, null);
uiControlChart1.SetChartDataProvider(chartProvider);
// We don't need to handle these events ourselves because the UIControlChart takes
// care of it. (But we could if we wanted to.)
//chartProvider.DataLoadComplete += chartProvider_DataLoadComplete;
//chartProvider.DataSeriesUpdated += chartProvider_DataSeriesUpdated;
chartProvider.LoadRealTimeChartData(symbol, startDate);
}
void chart1_LoadingNewChart(IChartDataProvider updatedProvider)
{
provider.DataLoadComplete += provider_DataLoadComplete;
provider.DataSeriesUpdated += provider_DataSeriesUpdated;
this.Text = "*** LOADING NEW CHART ***";
provider = updatedProvider;
provider.DataLoadComplete += provider_DataLoadComplete;
provider.DataSeriesUpdated += provider_DataSeriesUpdated;
}
public ChartDataForm(IChartDataProvider provider)
{
this.provider = provider;
InitializeComponent();
chart1.SetChartDataProvider(provider);
provider.DataLoadComplete += provider_DataLoadComplete;
provider.DataSeriesUpdated += provider_DataSeriesUpdated;
chart1.LoadingNewChart += chart1_LoadingNewChart;
}
public UIFormChooseBarData(IChartDataProvider provider)
{
this.UserSelection = DialogResult.Abort;
this.selectedSeries = null;
this.chartDataProvider = provider;
// Set our initial bar index to the last (current) bar.
this.barIndex = provider.ChartData.TradeBars.Count - 1;
UpdateBarDataDisplay();
InitializeComponent();
}
public void SetChartDataProvider(IChartDataProvider provider)
{
// TODO: Need to detach any old events (in the case that the user loads a different chart)
//if (this.chartDataProvider != null && this.chartDataProvider.DataSeriesUpdated != null) this.chartDataProvider.DataSeriesUpdated -= moBarData_DataSeriesUpdated;
//if (this.chartDataProvider != null && this.chartDataProvider.DataLoadComplete != null) this.chartDataProvider.DataLoadComplete -= moBarData_DataSeriesUpdated;
chartDescriptor = new ChartDescriptor(provider, activeIndicators);
ResetChart();
this.chartDataProvider = provider;
this.chartDataProvider.DataSeriesUpdated += moBarData_DataSeriesUpdated;
this.chartDataProvider.DataLoadComplete += moBarData_DataLoadComplete;
chooseBarDataForm = new UIFormChooseBarData(chartDataProvider);
chooseBarDataForm.SelectedBarChanged += chooseBarDataForm_SelectedBarChanged;
}
internal clsSpectraSeries(IChartDataProvider provider, clsPlotParams plotParams, String filename) :
base(provider, plotParams)
{
this.mFilename = filename;
}
public override bool IsDrawingValuesAllowed(IChartDataProvider dataProvider)
{
return(Chart.BarData.EntryCount < Chart.MaxVisibleCount
* ViewPortHandler.ScaleY);
}
public ChartDescriptor(IChartDataProvider provider, IndicatorMap indicators)
: this(provider.ChartIdentifier, provider.BarInterval, provider.StartDate, provider.EndDate, indicators)
{
}
public virtual bool IsDrawingValuesAllowed(IChartDataProvider dataProvider)
{
return(dataProvider.Data.EntryCount > dataProvider.MaxVisibleCount
* ViewPortHandler.ScaleX);
}
