private void RefreshUserConfigAxisRange()
{
// 如果正在绘图，则根据用户的配置和当前的数据更新坐标轴范围
if (_parentChart.IsPlotting())
{
_parentChart.RefreshAxesRange(_parentPlotArea);
_parentChart.RefreshScaleViewAndSendEvent(_parentPlotArea.ChartArea, this._baseAxis, false);
}
else
{
// 如果用户配置值非法，则自动计算
if (_specifiedMax <= _specifiedMin)
{
SetAxisRange(_maxData, _minData);
}
else
{
SetAxisRange(_specifiedMax, _specifiedMin);
}
if (IsYAxis())
{
RefreshYMajorGridInterval();
}
}
// 如果不强制更新坐标轴Label，在手动配置时经常会出现Label错位的问题
_baseAxis.CustomLabels.Clear();
}
/// <summary>
/// Zoom reset definite steps
/// </summary>
/// <param name="resetTimes">Reset times. Default value: Cancel scale view.</param>
public void ZoomReset(int resetTimes = int.MaxValue)
{
if (!IsZoomed)
{
return;
}
// 如果是Y轴取消缩放，则先更新Interval，避免Interval过小导致的Label重叠显示
if (IsYAxis())
{
RefreshYMajorGridInterval(true);
}
_baseAxis.ScaleView.ZoomReset(resetTimes);
if (_baseEasyChart.IsPlotting())
{
_baseEasyChart.RefreshScaleViewAndSendEvent(_basePlotArea.ChartArea, _baseAxis, false);
}
}
private void BaseChartOnPostPaint(object sender, ChartPaintEventArgs eventArgs)
{
// 如果不是绘制Chart或者无需更新位置时将不执行重绘
if (!ReferenceEquals(eventArgs.ChartElement.GetType(), typeof(Chart)) || !_cursors.Any(item => item.Enabled))
{
return;
}
if (_parentChart.IsPlotting() && _plotArea.Enabled)
{
RefreshAdapterAndCursorBoundry();
}
else
{
foreach (TabCursor cursor in _cursors)
{
cursor.Control.Visible = false;
}
}
}
internal void RefreshCursor()
{
if (!_baseEasyChart.IsPlotting())
{
_baseCursor.LineColor = Color.Transparent;
_baseCursor.IsUserEnabled = false;
_baseCursor.IsUserSelectionEnabled = false;
// _baseAxis.ScaleView.Zoomable = false;
return;
}
switch (_mode)
{
case CursorMode.Disabled:
_baseCursor.LineColor = Color.Transparent;
_baseCursor.IsUserEnabled = false;
_baseCursor.IsUserSelectionEnabled = false;
// _baseAxis.ScaleView.Zoomable = false;
break;
case CursorMode.Cursor:
_baseCursor.LineColor = _color;
_baseCursor.IsUserEnabled = true;
_baseCursor.IsUserSelectionEnabled = false;
// _baseAxis.ScaleView.Zoomable = false;
break;
case CursorMode.Zoom:
_baseCursor.LineColor = _color;
_baseCursor.IsUserEnabled = true;
_baseCursor.IsUserSelectionEnabled = true;
// _baseAxis.ScaleView.Zoomable = true;
break;
default:
break;
}
}