private async void Page_LoadedAsync(object sender, RoutedEventArgs e)
{
_viewModel.appLog.Info(this.GetType().ToString(), "MainPage Loaded.");
CoreApplicationViewTitleBar titleBar = CoreApplication.GetCurrentView().TitleBar;
titleBar.LayoutMetricsChanged += TitleBar_LayoutMetricsChanged;
BackToEmpty();
navigationViewItemForegroundDefault = navigationViewItemDatasets.Foreground;
string lastDataset = AppSettingsService.RetrieveFromSettings <string>("WorkingDataset", "");
if (lastDataset != "")
{
List <Site> siteList = await LocalMetadataService.LoadSitesAsync();
List <Dataset> datasetList = await LocalMetadataService.LoadDatasetsAsync(siteList);
Dataset dataset = datasetList.Find(x => x.Name == lastDataset);
if (dataset == null)
{
return;
}
MessageDialog dlg = new MessageDialog("Do you want to load dataset " + lastDataset + " ?", "Load Dataset");
dlg.Commands.Add(new UICommand("Yes"));
dlg.Commands.Add(new UICommand("No"));
IUICommand selectedCmd = await dlg.ShowAsync();
if (selectedCmd.Label == "Yes")
{
MainFrameNavigate(typeof(DatasetViewPage), dataset);
}
}
}
public DatasetEventsPage()
{
this.InitializeComponent();
sensorIconWidth = AppSettingsService.RetrieveFromSettings <double>("sensorIconWidth", 10);
sensorIconHeight = AppSettingsService.RetrieveFromSettings <double>("sensorIconHeight", 10);
sensorTextWidth = AppSettingsService.RetrieveFromSettings <double>("sensorTextWidth", 60);
sensorTextHeight = AppSettingsService.RetrieveFromSettings <double>("sensorTextHeight", 20);
}
private async void Page_LoadedAsync(object sender, RoutedEventArgs e)
{
PageBusy("Loading events from dataset " + _viewModel.Dataset.Name + " ...");
await _viewModel.LoadDataAsync();
PopulateSensors();
DrawSensors();
PopulateAnnotateFlyout();
// Check Application Settings for last saved states. If the state exists and is valid, load the state
ApplicationDataCompositeValue datasetLastSavedStates =
AppSettingsService.RetrieveFromSettings <ApplicationDataCompositeValue>(
"DatasetLastSavedStates", new ApplicationDataCompositeValue()
);
if (datasetLastSavedStates.TryGetValue(_viewModel.Dataset.Name, out object jsonDatasetSavedState))
{
DatasetViewSavedState datasetState = JsonConvert.DeserializeObject <DatasetViewSavedState>((string)jsonDatasetSavedState);
if (datasetState.Day <= _viewModel.LastEventDate && datasetState.Day >= _viewModel.FirstEventDate)
{
await _viewModel.LoadEventsAsync(datasetState.Day);
}
_viewModel.EventViewFilter = datasetState.Filter;
_viewModel.RefreshEventsInView();
if (datasetState.EventTimeTag != null)
{
int i = 0;
for (i = 0; i < _viewModel.EventsInView.Count; i++)
{
SensorEventViewModel sensorEvent = (SensorEventViewModel)_viewModel.EventsInView[i];
if (sensorEvent.TimeTag >= datasetState.EventTimeTag)
{
_viewModel.SelectedSensorEvent = sensorEvent;
break;
}
}
if (i == _viewModel.EventsInView.Count && i != 0)
{
_viewModel.SelectedSensorEvent = (SensorEventViewModel)_viewModel.EventsInView.Last();
}
}
else
{
if (datasetState.EventInView >= 0 && datasetState.EventInView < _viewModel.EventsInView.Count)
{
_viewModel.SelectedSensorEvent = (SensorEventViewModel)dataListView.Items[datasetState.EventInView];
}
}
if (_viewModel.SelectedSensorEvent != null)
{
dataListView.ScrollIntoView(_viewModel.SelectedSensorEvent);
}
}
PageReady();
}
private void App_Suspending(object sender, SuspendingEventArgs e)
{
AppSettingsService.AddToSettings <string>("WorkingDataset", _viewModel.Dataset.Name);
ApplicationDataCompositeValue datasetLastSavedStates =
AppSettingsService.RetrieveFromSettings <ApplicationDataCompositeValue>(
"DatasetLastSavedStates", new ApplicationDataCompositeValue()
);
datasetLastSavedStates[_viewModel.Dataset.Name] = JsonConvert.SerializeObject(new DatasetViewSavedState
{
Day = _viewModel.CurrentDate,
EventInView = dataListView.SelectedIndex,
EventTimeTag = (_viewModel.SelectedSensorEvent != null) ?
_viewModel.SelectedSensorEvent.TimeTag : _viewModel.CurrentDate,
Filter = _viewModel.EventViewFilter
});
AppSettingsService.AddToSettings <ApplicationDataCompositeValue>("DatasetLastSavedStates", datasetLastSavedStates);
}