void cbChartDateMeasureUnit_SelectedIndexChanged(object sender, RoutedEventArgs e)
{
XYDiagram2D diagram = (XYDiagram2D)chartControl.Diagram;
DateTimeMeasureUnit unit = (DateTimeMeasureUnit)Enum.Parse(typeof(DateTimeMeasureUnit), cbChartDateMeasureUnit.SelectedItem.ToString());
diagram.AxisX.DateTimeScaleOptions = new ManualDateTimeScaleOptions()
{
MeasureUnit = unit, GridAlignment = (DateTimeGridAlignment)unit, AutoGrid = false
};
switch (unit)
{
case DateTimeMeasureUnit.Year:
diagram.AxisX.Label.TextPattern = "{A:yyyy}";
break;
case DateTimeMeasureUnit.Quarter:
diagram.AxisX.Label.TextPattern = "{A:q}";
break;
case DateTimeMeasureUnit.Month:
diagram.AxisX.Label.TextPattern = "{A:y}";
break;
default:
break;
}
}
/// <summary>
/// 将X轴格式化成时间轴
/// </summary>
/// <param name="chart">ChartControl</param>
/// <param name="dateTimeMeasureUnit">X轴刻度单位</param>
/// <param name="dateTimeGridAlignment">X轴刻度间距的单位</param>
public static void SetAxisXTime(this ChartControl chart, DateTimeMeasureUnit dateTimeMeasureUnit, DateTimeGridAlignment dateTimeGridAlignment)
{
if (chart.Diagram is XYDiagram)
{
XYDiagram _diagram = (XYDiagram)chart.Diagram;
if (_diagram != null)
{
_diagram.AxisX.DateTimeScaleOptions.MeasureUnit = dateTimeMeasureUnit; //X轴刻度单位
_diagram.AxisX.DateTimeScaleOptions.GridAlignment = dateTimeGridAlignment; //X轴刻度间距
}
}
}
/// <summary>
/// 将X轴格式化成时间轴
/// </summary>
/// <param name="chart">ChartControl</param>
/// <param name="dateTimeMeasureUnit">X轴刻度单位</param>
/// <param name="dateTimeGridAlignment">X轴刻度间距的单位</param>
/// <param name="formatString">时间格式；eg:yyyy-MM</param>
public static void SetAxisXTime(this ChartControl chart, DateTimeMeasureUnit dateTimeMeasureUnit, DateTimeGridAlignment dateTimeGridAlignment, string formatString)
{
if (chart.Diagram is XYDiagram)
{
XYDiagram _diagram = (XYDiagram)chart.Diagram;
if (_diagram != null)
{
_diagram.AxisX.DateTimeScaleOptions.MeasureUnit = dateTimeMeasureUnit; //X轴刻度单位
_diagram.AxisX.DateTimeScaleOptions.GridAlignment = dateTimeGridAlignment; //X轴刻度间距
// 这里可能有问题
_diagram.AxisX.Label.TextPattern = formatString;
}
}
}
public void DinhDangX(DateTimeGridAlignment x, DateTimeMeasureUnit y)
{
}
private void CheckInitializeTimeAxis()
{
if (Chart.Series[0].ArgumentScaleType != ScaleType.DateTime)
{
((XYDiagram)Chart.Diagram).AxisX.Label.TextPattern = "{A}";
if (Chart.Series[0].Points.Count > 0)
{
((XYDiagram)Chart.Diagram).AxisX.WholeRange.SetMinMaxValues(
Chart.Series[0].Points.Min(i => i.ArgumentX.NumericalArgument),
Chart.Series[0].Points.Max(i => i.ArgumentX.NumericalArgument)
);
}
return;
}
int totalMinutes = Visual.MeasureUnitMultiplier;
DateTime first = DateTime.MinValue;
DateTime last = DateTime.MaxValue;
//((XYDiagram)Chart.Diagram).AxisX.DateTimeScaleOptions.MeasureUnit = (DateTimeMeasureUnit)Enum.Parse(typeof(DateTimeMeasureUnit), Visual.MeasureUnit.ToString());
((XYDiagram)Chart.Diagram).AxisX.DateTimeScaleOptions.ScaleMode = ScaleMode.Automatic;
if (Visual.Items != null && Visual.Items.Count > 1)
{
object data1 = Visual.Items[1];
object data0 = Visual.Items[0];
object dataLast = Visual.Items.Last();
PropertyInfo pi = data1.GetType().GetProperty("Time", BindingFlags.Public | BindingFlags.Instance);
if (pi != null)
{
DateTime time1 = (DateTime)pi.GetValue(data1);
DateTime time0 = (DateTime)pi.GetValue(data0);
first = time1;
last = (DateTime)pi.GetValue(dataLast);
totalMinutes = (int)((time1 - time0).TotalMinutes);
}
}
DateTimeMeasureUnit unit = (DateTimeMeasureUnit)Enum.Parse(typeof(DateTimeMeasureUnit), Visual.MeasureUnit.ToString());
int ms = 0;
if (unit == DateTimeMeasureUnit.Minute)
{
ms = 60000;
}
else if (unit == DateTimeMeasureUnit.Second)
{
ms = 1000;
}
else
{
throw new NotImplementedException();
}
((XYDiagram)Chart.Diagram).ZoomingOptions.AxisXMaxZoomPercent = 100 * (last - first).TotalMilliseconds / (Visual.MeasureUnitMultiplier * ms);
//StrategyDataItemInfo di = Visual.DataItemInfos.FirstOrDefault(i => i.Type == DataType.DateTime && i.FieldName == "Time");
//if(di != null) {
// if(di.UseCustomTimeUnit) {
// ((XYDiagram)Chart.Diagram).AxisX.DateTimeScaleOptions.MeasureUnit = (DateTimeMeasureUnit)Enum.Parse(typeof(DateTimeMeasureUnit), di.TimeUnit.ToString());
// ((XYDiagram)Chart.Diagram).AxisX.DateTimeScaleOptions.MeasureUnitMultiplier = di.TimeUnitMeasureMultiplier;
// }
//}
//((XYDiagram)Chart.Diagram).AxisX.DateTimeScaleOptions.MeasureUnitMultiplier = totalMinutes;
((XYDiagram)Chart.Diagram).AxisX.Label.ResolveOverlappingOptions.AllowRotate = false;
((XYDiagram)Chart.Diagram).AxisX.Label.ResolveOverlappingOptions.AllowStagger = false;
((XYDiagram)Chart.Diagram).AxisX.LabelVisibilityMode = AxisLabelVisibilityMode.AutoGeneratedAndCustom;
if (first != DateTime.MinValue)
{
DateTime current = first.Date;
while (current <= last)
{
ConstantLine constantLine = new ConstantLine(current.ToShortDateString(), current)
{
Color = Color.FromArgb(0x40, Color.LightGray), ShowInLegend = false
};
constantLine.Title.Visible = false;
((XYDiagram)Chart.Diagram).AxisX.ConstantLines.Add(constantLine);
((XYDiagram)Chart.Diagram).AxisX.CustomLabels.Add(new CustomAxisLabel(current.ToShortDateString(), current));
current = current.AddDays(1);
}
}
StrategyDataItemInfo time = Visual.DataItemInfos.FirstOrDefault(i => i.Name == "Time");
string datePattern = "{A:dd.MM hh:mm:ss}";
if (time != null && !string.IsNullOrEmpty(time.LabelPattern))
{
datePattern = "{A:" + time.LabelPattern + "}";
}
if (Chart.Series[0].ArgumentScaleType == ScaleType.Numerical)
{
((XYDiagram)Chart.Diagram).AxisX.Label.TextPattern = "{A}";
}
else
{
((XYDiagram)Chart.Diagram).AxisX.Label.TextPattern = datePattern;
}
}
