private static void OnRealtimeTemperatureCollectionChange(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
StepAreaAndLineChart owner = d as StepAreaAndLineChart;
if (owner.PresettedSequence != null && owner.PresettedSequence.Count > 0 && e.NewValue != null)
{
((CRealtimeTemperatureCollection)e.NewValue).TotalTime = owner.PresettedSequence.TotalTime;
}
}
private static void OnPresettedSequenceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
StepAreaAndLineChart owner = d as StepAreaAndLineChart;
/*
* 重新生成一个CTemperatureSequence对象，这个对象和传入的对象区别是：
* 重新生成的CTemperatureSequence对象会在尾部多加一个Point，这个Point用来
* 正确产生Step Series的最后一个横阶梯
*/
CTemperatureSequence seq;
if (e.NewValue == null)
{
seq = new CTemperatureSequence();
}
else
{
seq = ((CTemperatureSequence)e.NewValue).Clone() as CTemperatureSequence;
if (seq.Count > 0)
{
/* 这里在最后加入一个Point用来修正Step Chart的View */
CTemperatureSequenceKeyPoint point = seq[seq.Count - 1];
seq.Add(new CTemperatureSequenceKeyPoint()
{
HoldTime = 0,
TargetTemperature = point.TargetTemperature
});
}
}
owner._SeriesSequence.DataSource = seq;
/* 更新实时温度曲线的描点间隔 */
if (seq != null && seq.Count > 0 && owner.RealtimeTemperatureCollection != null)
{
owner.RealtimeTemperatureCollection.TotalTime = owner.PresettedSequence.TotalTime;
}
}
private static void OnRealtimeTemperatureVisibleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
StepAreaAndLineChart _owner = d as StepAreaAndLineChart;
_owner._SeriesRealtime.Visible = (bool)e.NewValue;
}