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增加DataZoom对数值轴的支持 #71

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This commit is contained in:
monitor1394
2021-03-02 09:16:53 +08:00
parent 84a13e03e8
commit ef3817d231
6 changed files with 205 additions and 68 deletions
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101
Runtime/Internal/Helper/SerieHelper.cs
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@@ -5,6 +5,7 @@
/* */
/************************************************/
using System.Collections.Generic;
using UnityEngine;
namespace XCharts
@@ -305,5 +306,105 @@ namespace XCharts
serie.runtimeDataMax = ChartHelper.GetMaxDivisibleValue(max, ceilRate);
}
}
private static List<SerieData> emptyFilter = new List<SerieData>();
/// <summary>
/// 根据dataZoom更新数据列表缓存
/// </summary>
/// <param name="dataZoom"></param>
internal static void UpdateFilterData(Serie serie, DataZoom dataZoom)
{
if (dataZoom != null && dataZoom.enable
&& (dataZoom.xAxisIndexs.Contains(serie.xAxisIndex) || dataZoom.yAxisIndexs.Contains(serie.yAxisIndex)))
{
if (dataZoom.IsXAxisIndexValue(serie.xAxisIndex))
{
float min = 0, max = 0;
dataZoom.GetXAxisIndexValue(serie.xAxisIndex, out min, out max);
UpdateFilterData_XAxisValue(serie, dataZoom, 0, min, max);
}
else if (dataZoom.IsYAxisIndexValue(serie.yAxisIndex))
{
float min = 0, max = 0;
dataZoom.GetYAxisIndexValue(serie.yAxisIndex, out min, out max);
UpdateFilterData_XAxisValue(serie, dataZoom, 0, min, max);
}
else
{
UpdateFilterData_Category(serie, dataZoom);
}
}
}
private static void UpdateFilterData_XAxisValue(Serie serie, DataZoom dataZoom, int dimension, float min, float max)
{
var data = serie.data;
var startValue = min + (max - min) * dataZoom.start / 100;
var endValue = min + (max - min) * dataZoom.end / 100;
if (endValue < startValue) endValue = startValue;
if (startValue != serie.m_FilterStartValue || endValue != serie.m_FilterEndValue
|| dataZoom.minShowNum != serie.m_FilterMinShow || serie.m_NeedUpdateFilterData)
{
serie.m_FilterStartValue = startValue;
serie.m_FilterEndValue = endValue;
serie.m_FilterMinShow = dataZoom.minShowNum;
serie.m_NeedUpdateFilterData = false;
serie.m_FilterData.Clear();
foreach (var serieData in data)
{
var value = serieData.GetData(dimension);
if (value >= startValue && value <= endValue)
{
serie.m_FilterData.Add(serieData);
}
}
}
else if (endValue == 0)
{
serie.m_FilterData = emptyFilter;
}
}
private static void UpdateFilterData_Category(Serie serie, DataZoom dataZoom)
{
var data = serie.data;
var startIndex = (int)((data.Count - 1) * dataZoom.start / 100);
var endIndex = (int)((data.Count - 1) * dataZoom.end / 100);
if (endIndex < startIndex) endIndex = startIndex;
if (startIndex != serie.m_FilterStart || endIndex != serie.m_FilterEnd
|| dataZoom.minShowNum != serie.m_FilterMinShow || serie.m_NeedUpdateFilterData)
{
serie.m_FilterStart = startIndex;
serie.m_FilterEnd = endIndex;
serie.m_FilterMinShow = dataZoom.minShowNum;
serie.m_NeedUpdateFilterData = false;
var count = endIndex == startIndex ? 1 : endIndex - startIndex + 1;
if (count < dataZoom.minShowNum)
{
if (dataZoom.minShowNum > data.Count) count = data.Count;
else count = dataZoom.minShowNum;
}
if (data.Count > 0)
{
if (startIndex + count > data.Count)
{
int start = endIndex - count;
data = data.GetRange(start < 0 ? 0 : start, count);
}
else serie.m_FilterData = data.GetRange(startIndex, count);
}
else
{
serie.m_FilterData = data;
}
}
else if (endIndex == 0)
{
serie.m_FilterData = emptyFilter;
}
}
}
}