public async Task LoadAsync(ChartViewItem item)
{
try
{
using (var col = Items.LockChangedEvent())
{
StopTicker();
CreateSeries(item);
Items.Clear();
IEnumerable <ChartLookup> values = await _service.GetLookups(item.Model);
foreach (var val in values)
{
Series[0].Values.Add(val.Value);
Labels.Add(val.Date.ToShortDateString());
Items.Add(val);
}
}
if (Items.Count > _ItemsCount)
{
ProcessTicker();
}
}
catch (Exception x)
{
_errorInfo.ShowError(x);
}
}
private void CreateSeries(ChartViewItem item)
{
Series.Clear();
Labels.Clear();
AxisX = item.AxisXTitle;
AxisY = item.AxisYTitle;
switch (item.ChartType)
{
case ChartType.Column:
{
Series.Add(
new ColumnSeries
{
Fill = Brushes.Coral,
Title = item.Title,
Values = new ChartValues <int>()
});
break;
}
case ChartType.Line:
{
Series.Add(
new LineSeries
{
Fill = Brushes.LightGreen,
Title = item.Title,
Values = new ChartValues <int>()
});
break;
}
case ChartType.Scatter:
{
Series.Add(
new ScatterSeries
{
Title = item.Title,
Values = new ChartValues <int>()
});
break;
}
default:
break;
}
}
