62 lines
2.4 KiB
C#
62 lines
2.4 KiB
C#
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namespace XCharts.Runtime
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{
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public static class DataZoomHelper
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{
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public static void UpdateDataZoomRuntimeStartEndValue(DataZoom dataZoom, Serie serie)
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{
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if (dataZoom == null || serie == null)
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return;
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double min = 0;
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double max = 0;
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SerieHelper.GetMinMaxData(serie, out min, out max, null);
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dataZoom.context.startValue = min + (max - min) * dataZoom.start / 100;
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dataZoom.context.endValue = min + (max - min) * dataZoom.end / 100;
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}
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public static void UpdateDataZoomRuntimeStartEndValue<T>(BaseChart chart) where T : Serie
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{
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foreach (var component in chart.components)
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{
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if (component is DataZoom)
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{
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var dataZoom = component as DataZoom;
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if (!dataZoom.enable)
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continue;
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double min = double.MaxValue;
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double max = double.MinValue;
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foreach (var serie in chart.series)
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{
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if (!serie.show || !(serie is T))
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continue;
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if (!dataZoom.IsContainsXAxis(serie.xAxisIndex))
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continue;
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var axis = chart.GetChartComponent<XAxis>(serie.xAxisIndex);
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if (axis.minMaxType == Axis.AxisMinMaxType.Custom)
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{
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if (axis.min < min)
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min = axis.min;
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if (axis.max > max)
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max = axis.max;
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}
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else
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{
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double serieMinValue = 0;
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double serieMaxValue = 0;
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SerieHelper.GetMinMaxData(serie, out serieMinValue, out serieMaxValue, null, 2);
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if (serieMinValue < min)
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min = serieMinValue;
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if (serieMaxValue > max)
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max = serieMaxValue;
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}
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}
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dataZoom.context.startValue = min + (max - min) * dataZoom.start / 100;
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dataZoom.context.endValue = min + (max - min) * dataZoom.end / 100;
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}
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}
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}
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}
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}
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