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add delegate callback function for legend

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monitor1394
2022-05-03 22:30:51 +08:00
parent 983d5f7377
commit 03d18d50ed
4 changed files with 26 additions and 1 deletions
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1
CHANGELOG-EN.md
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@@ -44,6 +44,7 @@
## branch-2.0
* (2022.05.03) Added `onLegendClick`, `onLegendEnter` and `onLegendExit` delegate callbacks for `Legend`
* (2022.04.21) Fixed bug #192 with `RingChart` `Tooltip` exception
* (2022.04.21) Fixed error when setting `minShowNum` in `DataZoom`

1
CHANGELOG.md
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@@ -44,6 +44,7 @@
## branch-2.0
* (2022.05.03) 增加`Legend`的`onLegendClick`,`onLegendEnter`和`onLegendExit`委托回调
* (2022.04.21) 修复`RingChart`的`Tooltip`异常的问题 #192
* (2022.04.21) 修复`DataZoom`设置`minShowNum`时可能会报错的问题

16
Runtime/API/BaseChart_API.cs
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@@ -132,7 +132,21 @@ namespace XCharts
/// 点击饼图区域回调。参数：PointerEventData，SerieIndex，SerieDataIndex
/// </summary>
public Action<PointerEventData, int, int> onPointerClickPie { set { m_OnPointerClickPie = value; m_ForceOpenRaycastTarget = true; } get { return m_OnPointerClickPie; } }
/// <summary>
/// the callback function of click legend.
/// 点击图例按钮回调。参数：legendIndex, legendName, show
/// </summary>
public Action<int, string, bool> onLegendClick { set { m_OnLegendClick = value; } }
/// <summary>
/// the callback function of enter legend.
/// 鼠标进入图例回调。参数：legendIndex, legendName
/// </summary>
public Action<int, string> onLegendEnter { set { m_OnLegendEnter = value; } }
/// <summary>
/// the callback function of exit legend.
/// 鼠标退出图例回调。参数：legendIndex, legendName
/// </summary>
public Action<int, string> onLegendExit { set { m_OnLegendExit = value; } }
/// <summary>
/// Redraw chart in next frame.
/// 在下一帧刷新图表。

9
Runtime/Internal/BaseChart.cs
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@@ -74,6 +74,9 @@ namespace XCharts
protected Action<VertexHelper, Serie> m_OnCustomDrawSerieBeforeCallback;
protected Action<VertexHelper, Serie> m_OnCustomDrawSerieAfterCallback;
protected Action<PointerEventData, int, int> m_OnPointerClickPie;
protected Action<int, string, bool> m_OnLegendClick;
protected Action<int, string> m_OnLegendEnter;
protected Action<int, string> m_OnLegendExit;
protected bool m_RefreshLabel = false;
internal bool m_ReinitLabel = false;
@@ -847,6 +850,8 @@ namespace XCharts
}
OnYMaxValueChanged();
}
if(m_OnLegendClick != null)
m_OnLegendClick(index, legendName, show);
}
protected virtual void OnLegendButtonEnter(int index, string legendName)
@@ -862,6 +867,8 @@ namespace XCharts
RefreshPainter(serie);
}
}
if(m_OnLegendEnter != null)
m_OnLegendEnter(index, legendName);
}
protected virtual void OnLegendButtonExit(int index, string legendName)
@@ -877,6 +884,8 @@ namespace XCharts
RefreshPainter(serie);
}
}
if(m_OnLegendExit != null)
m_OnLegendExit(index, legendName);
}
protected virtual void UpdateTooltip()