private BMDatabase GetSelectedDB()
{
BMDeviceRecordVM selected = _listDevices.SelectedItem as BMDeviceRecordVM;
if (selected != null && selected.Database != null)
{
return(selected.Database);
}
return(null);
}
private void UpdateOrAddBMDeviceRecordVM(BMDatabase db)
{
BMDeviceRecordVM dev = _devices.FirstOrDefault(d => d.DeviceAddress == db.Device.Address);
if (dev == null)
{
dev = new BMDeviceRecordVM(db);
_devices.Add(dev);
}
dev.Index = _devices.IndexOf(dev);
dev.Update(db);
}
private void UpdateChartFromSelectedDB(BMDatabase db)
{
if (_isInUpdate)
{
return;
}
_isInUpdate = true;
DateTime startUpdateTime = DateTime.Now;
this.Title = "Barometer - " + db.Device;
this.Cursor = Cursors.AppStarting;
db.Units.TemperatureUnits.Units = (eTemperatureUnits)_cmbTemperatureUnits.SelectedItem;
db.Units.AirPressureUnits.Units = (eAirPressureUnits)_cmbAirPressureUnits.SelectedItem;
double days = double.Parse(((ComboBoxItem)_cmbDays.SelectedItem).Tag.ToString());
TimeSpan daysBack = TimeSpan.FromDays(days);
List <BMRecordCurrent> recordsIn = db.GetLastRecords(daysBack);
List <BMRecordCurrent> recordsOut;
//bool isIntervalZoom = false;
//if (isIntervalZoom)
//{
// if (_chkAutoZoom.IsChecked.Value)
// {
// int bucketSize = db.Records.Count / 1000; //1000 records after zoom
// _sliderDillute.Value = Math.Ceiling(Math.Pow(bucketSize, 0.5));
// }
// int zoom = (int)Math.Pow(2, _sliderDillute.Value);
// _txtDilluteValue.Text = string.Format("Dillute x{0:0.0}", zoom);
// recordsOut = db.DilluteByPointAndConvertUnits(recordsIn, zoom);
//}
//else //dillute by time
{
double bucketIntervalInSec = 60 * double.Parse(((ComboBoxItem)_cmbInterval.SelectedItem).Tag.ToString());
if (_chkAutoZoom.IsChecked.Value)
{
bucketIntervalInSec = 15;
//_cmbInterval.SelectedIndex = 0; //all
if (recordsIn.Count >= BMDatabase.MIN_RECORDS_TO_FILTER)
{
TimeSpan range = recordsIn.Last().Date - recordsIn.First().Date;
bucketIntervalInSec = range.TotalSeconds / 1000; //interval in seconds to get 1000 points
bucketIntervalInSec = GetClosestIntervalAndSetSelectInComboBox(bucketIntervalInSec);
}
}
////////
//
recordsOut = BMDatabase.DilluteByTime(recordsIn, bucketIntervalInSec);
}
BMDeviceRecordVM dev = _listDevices.SelectedItem as BMDeviceRecordVM;
_chart1.UpdateChartTemperature(recordsOut, db.Units, dev.IsActive);
_chart2.UpdateChartHumidity(recordsOut, db.Units, dev.IsActive);
_chart3.UpdateChartAirPressure(recordsOut, db.Units, dev.IsActive);
TimeSpan tsElapsed = DateTime.Now - startUpdateTime;
_txtDilluteResult.Text = string.Format("Total: {0:###,###} -> {1:###,###} -> {2} ({3:0.0} ms)",
db.Records.Count, recordsIn.Count, recordsOut.Count, tsElapsed.TotalMilliseconds);
this.Cursor = Cursors.Arrow;
_isInUpdate = false;
}
