/// <summary>
/// Refresh information on the panel
/// </summary>
/// <param name="client">The bacnet client to use for refreshing</param>
/// <returns>The task for the refresh operation</returns>
public async override Task Refresh(Client.Client client)
{
var alarms = await client.With(this._device.ObjectIdentifier.Instance)
.GetAlarmsAsync();
_gridView.DataStore = alarms;
}
/// <summary>
/// Refreshes the data on the panel
/// </summary>
/// <param name="client">The client to use for refreshing</param>
/// <returns>The asynchronous task</returns>
public async override Task Refresh(Client.Client client)
{
var tl = client.With <ITrendLog>(_info.DeviceInstance, _info.ObjectIdentifier);
var props = await tl.ReadPropertiesAsync(
obj => obj.ObjectName,
obj => obj.LogDeviceObjectProperty);
var name = props.Item1;
var reference = props.Item2;
var records = await tl.ReadRangeAsync(obj => obj.LogBuffer);
if (!reference.HasValue)
{
_plot.Model = null;
return;
}
var type = _getTrendType(reference.Value);
if (type == TrendType.Unknown)
{
_plot.Model = null;
return;
}
else if (records.Length > 0)
{
var minDate = records.Length > 0 ? records[0].Timestamp.ToDateTime() : DateTime.MinValue;
var maxDate = records.Length > 0 ? records[records.Length - 1].Timestamp.ToDateTime() : DateTime.MaxValue;
var model = this._plot.Model;
if (model == null)
{
model = new PlotModel();
model.Title = name;
model.Axes.Add(new DateTimeAxis()
{
Position = AxisPosition.Bottom,
IsPanEnabled = true,
IsZoomEnabled = true
});
model.Axes.Add(new LinearAxis()
{
Position = AxisPosition.Left,
IsPanEnabled = false,
IsZoomEnabled = false
});
}
var dateAxis = model.Axes.OfType <DateTimeAxis>().First();
dateAxis.AbsoluteMinimum = DateTimeAxis.ToDouble(minDate);
dateAxis.AbsoluteMaximum = DateTimeAxis.ToDouble(maxDate);
model.Series.Clear();
if (type == TrendType.Real)
{
model.Series.Add(new LineSeries()
{
Color = OxyColors.Red,
ItemsSource = records.Where(rec => rec.LogDatum.IsRealValue)
.Select(rec => DateTimeAxis.CreateDataPoint(
rec.Timestamp.ToDateTime(),
rec.LogDatum.AsRealValue
)).ToList()
});
}
else if (type == TrendType.Binary)
{
model.Series.Add(new StairStepSeries()
{
Color = OxyColors.Red,
ItemsSource = records.Where(rec => rec.LogDatum.IsEnumValue)
.Select(rec => DateTimeAxis.CreateDataPoint(
rec.Timestamp.ToDateTime(),
rec.LogDatum.AsEnumValue.Value
)).ToList()
});
}
_plot.Model = model;
}
}
