public void OnLineChart(object obj)
{
LineSeriesCollection.Clear();
Series ds = new Series();
ds.ChartType = SeriesChartType.Line;
ds.BorderDashStyle = ChartDashStyle.Solid;
ds.MarkerStyle = MarkerStyle.Diamond;
ds.MarkerSize = 8;
ds.BorderWidth = 2;
ds.Name = "Sine";
for (int i = 0; i < 70; i++)
{
double x = i / 5.0;
double y = 1.1 * Math.Sin(x);
ds.Points.AddXY(x, y);
}
LineSeriesCollection.Add(ds);
ds = new Series();
ds.ChartType = SeriesChartType.Line;
ds.BorderDashStyle = ChartDashStyle.Dash;
ds.MarkerStyle = MarkerStyle.Circle;
ds.MarkerSize = 8;
ds.BorderWidth = 2;
ds.Name = "Cosine";
for (int i = 0; i < 70; i++)
{
double x = i / 5.0;
double y = 1.1 * Math.Cos(x);
ds.Points.AddXY(x, y);
}
LineSeriesCollection.Add(ds);
}
private void SetGraph()
{
ReadTestData();
ReadGradingSystemData();
SeriesCollection.Clear();
LineSeriesCollection.Clear();
DateTimes.Clear();
if (SelectedSubject == null)
{
return;
}
if (SelectedTestType == null)
{
return;
}
if (SelectedGradingPeriod == null)
{
return;
}
//var selectedSubject = AssociatedPerson.Subjects.Where(x => x.Name == SelectedSubject.Name);
LineSeries dummyLineSeries = new LineSeries();
ChartValues <double> chartValues = new ChartValues <double>();
foreach (var test in SelectedSubject.Tests.Where(x => x.TestType.Name == SelectedTestType.Name && x.GradingPeriod.Name == SelectedGradingPeriod.Name))
{
chartValues.Add(test.Percentage);
DateTimes.Add(test.TestDate.ToString(CultureInfo.InvariantCulture));
if (chartValues.Count() > 4)
{
GraphWidth = chartValues.Count() * 150;
}
}
dummyLineSeries.Values = chartValues;
//dummyLineSeries.LineSmoothness = 0;
LineSeriesCollection.Add(dummyLineSeries);
foreach (var s in LineSeriesCollection)
{
SeriesCollection.Add(s);
}
}
/// <summary>
/// 最近k个任务的效率折线图
/// </summary>
private void GetLineSeriesData()
{
LineSeriesCollection.Clear();
LineXLabels.Clear();
List <double> values = new List <double>();
List <TaskEfficiency> taskEfficiencies = tts.GetTaskEfficiencies(DateTime.Now, 5);
for (int i = 0; i < taskEfficiencies.Count && i < 8; i++)
{
LineXLabels.Add(taskEfficiencies[i].Name);
values.Add(Math.Round(taskEfficiencies[i].Efficiency, 2));
}
LineSeriesCollection.Add(new LineSeries
{
Title = "Efficiency",
DataLabels = false,
Values = new ChartValues <double>(values)
});
}
