public PlotViewModel()
{
Model = new PlotModel {
Title = "体温"
};
var line = new LineSeries();
TemperatureSQLite database = new TemperatureSQLite();
var _datas = new ObservableCollection <TemperatureTableEntity>();
_datas = database.GetAllRecordsOrderByDatetime();
line.Color = OxyColors.Red;
foreach (var data in _datas)
{
line.Points.Add(new DataPoint(DateTimeAxis.ToDouble(data.Datetime), data.Temperature));
}
var Y_ax = new OxyPlot.Axes.LinearAxis {
Position = OxyPlot.Axes.AxisPosition.Left, Minimum = 33.0, Maximum = 45.0
};
var X_ax = new OxyPlot.Axes.DateTimeAxis {
Position = OxyPlot.Axes.AxisPosition.Bottom, StringFormat = "MM/dd hh:mm"
};
Model.Axes.Add(X_ax);
Model.Axes.Add(Y_ax);
Model.Series.Add(line);
}
public TemperatureListViewModel(INavigationService navigationService, IPageDialogService pageDialogService) : base(navigationService)
{
_pageDialogService = pageDialogService;
var database = new TemperatureSQLite();
temperatureCollection = database.GetAllRecordsOrderByDatetime();
SelectedCommand = new DelegateCommand(OnItemSelected);
_selectedData = new TemperatureTableEntity();
}