public void Test_PropertyNameBinding_EmptyPropertyName()
{
Assert.ThrowsException <ArgumentException>(() => {
PropertyNameDataPointBinding binding = new PropertyNameDataPointBinding();
binding.PropertyName = null;
});
}
public void Test_PropertyNameBinding_MissingProperty()
{
Assert.ThrowsException <NullReferenceException>(() => {
PropertyNameDataPointBinding binding = new PropertyNameDataPointBinding();
binding.PropertyName = "Wrong";
binding.GetValue(new BusinessObject());
});
}
public void Test_PropertyNameBinding_DynamicObject()
{
PropertyNameDataPointBinding binding = new PropertyNameDataPointBinding();
binding.PropertyName = "Value";
dynamic obj = new MyDynamicObject();
obj.Value = 1;
Assert.AreEqual <double>(1, (double)binding.GetValue(obj), "DynamicObject Value not looked-up correctly");
}
public void Test_PropertyNameBinding()
{
PropertyNameDataPointBinding binding = new PropertyNameDataPointBinding();
binding.PropertyName = "Value";
BusinessObject obj = new BusinessObject()
{
Value = 1
};
Assert.AreEqual <double>(1, (double)binding.GetValue(obj), "Value not looked-up correctly");
}
public void Test_PropertyNameBinding_PropertyChanged()
{
bool propertyChangedFired = false;
PropertyNameDataPointBinding binding = new PropertyNameDataPointBinding();
binding.PropertyChanged += (sender, args) =>
{
propertyChangedFired = true;
Assert.AreEqual <string>("PropertyName", args.PropertyName);
};
binding.PropertyName = "Value";
Assert.IsTrue(propertyChangedFired);
}
private void UpdateSeries()
{
var m = DataContext as HistoricalChartViewModel;
if (m != null)
{
this.Chart.Series.Clear();
for (int i = 0; i < m.Data.Count; i++)
{
var cat = new PropertyNameDataPointBinding() { PropertyName = "Time" };
var val = new PropertyNameDataPointBinding() { PropertyName = "Value" };
var ls = new LineSeries();
ls.CategoryBinding = cat;
ls.ValueBinding = val;
ls.ItemsSource = m.Data[i];
ls.Stroke = new SolidColorBrush(m.Legend[i].Color);
ls.StrokeThickness = 1;
this.Chart.Series.Add(ls);
}
}
}
void MainPage_Loaded(object sender, RoutedEventArgs e)
{
chart.Series.Clear();
foreach (var counter in viewModel.Counters)
{
if (counter.Points.Count > 0)
{
Dictionary<DateTime, int> points = new Dictionary<DateTime, int>();
var span = counter.Points.Last() - counter.Points.First();
var bucket = span.TotalDays;
foreach (var point in counter.Points)
if (!points.ContainsKey(point.Date))
points.Add(point.Date, 1);
else
points[point.Date]++;
var shaped = points.Select(u => new TimePoint{ Date = u.Key, Value = u.Value }).ToList();
PropertyNameDataPointBinding categoryBinding = new PropertyNameDataPointBinding();
categoryBinding.PropertyName = "Date";
PropertyNameDataPointBinding valueBinding = new PropertyNameDataPointBinding();
valueBinding.PropertyName = "Value";
var series = new LineSeries() { ItemsSource = shaped, DisplayName = counter.Text, CategoryBinding = categoryBinding, ValueBinding = valueBinding, StrokeThickness = 2, Stroke = new SolidColorBrush(Colors.Orange)};
chart.Series.Add(series);
}
}
}
