private void OnEditScenarioListButtonClicked(object sender, RoutedEventArgs e)
{
switch (this.scenarioListView.SelectionMode)
{
case ListViewSelectionMode.Single:
this.customVisionONNXModel = null;
prevScenario = this.scenarioListView.SelectedItem as VisualAlertScenarioData;
this.deleteButton.Visibility = Visibility.Visible;
this.scenarioListView.SelectionMode = ListViewSelectionMode.Multiple;
break;
case ListViewSelectionMode.Multiple:
default:
this.scenarioListView.SelectionMode = ListViewSelectionMode.Single;
this.deleteButton.Visibility = Visibility.Collapsed;
if (prevScenario != null)
{
this.scenarioListView.SelectedItem = prevScenario;
}
else
{
this.scenarioListView.SelectedIndex = 0;
}
break;
}
}
private void UpdateScenarioListPanel(BuilderMode mode, VisualAlertScenarioData defaultScenario = null)
{
bool isAnyScenario = this.scenarioListView.Items.Any();
switch (mode)
{
case BuilderMode.ScenarioList:
this.scenarioListView.SelectionMode = ListViewSelectionMode.Single;
if (isAnyScenario)
{
var selectedScenario = ScenarioCollection.FirstOrDefault(x => x.Id == defaultScenario?.Id);
if (selectedScenario != null)
{
this.scenarioListView.SelectedItem = selectedScenario;
}
else
{
this.scenarioListView.SelectedIndex = 0;
}
}
this.newAlertGrid.Visibility = isAnyScenario ? Visibility.Collapsed : Visibility.Visible;
this.visualAlertBuilderWizardControl.Visibility = isAnyScenario ? Visibility.Collapsed : Visibility.Visible;
this.scenarioListPanel.Visibility = isAnyScenario ? Visibility.Visible : Visibility.Collapsed;
this.deleteButton.Visibility = Visibility.Collapsed;
this.newAlertStatusGrid.Visibility = Visibility.Collapsed;
this.newAlertButton.IsEnabled = true;
break;
case BuilderMode.NewAlert:
this.newAlertGrid.Visibility = Visibility.Visible;
this.visualAlertBuilderWizardControl.Visibility = Visibility.Visible;
this.scenarioListPanel.Visibility = Visibility.Collapsed;
break;
case BuilderMode.Processing:
this.newAlertGrid.Visibility = Visibility.Collapsed;
this.visualAlertBuilderWizardControl.Visibility = Visibility.Collapsed;
this.scenarioListPanel.Visibility = Visibility.Visible;
this.newAlertStatusGrid.Visibility = Visibility.Visible;
this.newAlertButton.IsEnabled = false;
break;
}
if (mode == BuilderMode.NewAlert || !isAnyScenario)
{
this.scenarioListView.SelectedItem = null;
this.lifecycleControl.ResetState(clearAll: true);
LifecycleStepCollection.First().State = LifecycleStepState.Active;
this.visualAlertBuilderWizardControl.StartWizard();
}
}
private async Task LoadCurrentScenarioAsync(VisualAlertScenarioData scenario)
{
try
{
StorageFolder onnxProjectDataFolder = await VisualAlertDataLoader.GetOnnxModelStorageFolderAsync();
StorageFile scenarioFile = await onnxProjectDataFolder.GetFileAsync(scenario.FileName);
this.customVisionONNXModel = await CustomVisionModel.CreateONNXModel(scenarioFile);
}
catch (Exception ex)
{
await Util.GenericApiCallExceptionHandler(ex, "Failure loading current project");
}
}
private async Task TrainAndSaveNewScenarioAsync(VisualAlertModelData data)
{
Project project = null;
VisualAlertScenarioData scenario = null;
try
{
this.newAlertProgressBar.IsIndeterminate = true;
UpdateScenarioListPanel(BuilderMode.Processing);
await UpdateStatus(string.Empty);
// create new custom vision project
UpdateProcessingStatus(data.Name, AlertCreateProcessingStatus.Creating);
project = await customVisionServiceWrapper.CreateVisualAlertProjectAsync(data.Name, data.PositiveImages, data.NegativeImages);
// train project
UpdateProcessingStatus(data.Name, AlertCreateProcessingStatus.Training);
Iteration iteration = await customVisionServiceWrapper.TrainProjectAsync(project.Id);
// export project
UpdateProcessingStatus(data.Name, AlertCreateProcessingStatus.Exporting);
scenario = await customVisionServiceWrapper.ExportOnnxProject(project);
// store project
await VisualAlertDataLoader.StoreScenarioAsync(scenario);
// update scenario collection
await LoadScenariosAsync();
}
catch (Exception ex)
{
await Util.GenericApiCallExceptionHandler(ex, "Failure creating alert");
}
finally
{
if (project != null)
{
await customVisionServiceWrapper.DeleteProjectAsync(project);
}
this.newAlertProgressBar.IsIndeterminate = false;
UpdateScenarioListPanel(BuilderMode.ScenarioList, scenario);
}
}
public static async Task StoreScenarioAsync(VisualAlertScenarioData scenario)
{
List <VisualAlertScenarioData> scenarioList = await GetScenarioCollectionAsync();
VisualAlertScenarioData scenarioWithSameName = scenarioList.FirstOrDefault(x => string.Equals(x.Name, scenario.Name));
if (scenarioWithSameName != null)
{
string titleMessage = $"There is already a “{scenarioWithSameName.Name}” model in this device. Select “Replace” if you would like to replace it, or “Keep Both” if you would like to keep both.";
await Util.ConfirmActionAndExecute(titleMessage,
async() =>
{
// if user select Yes, we replace the model with the same name
bool modelEntryRemovedFromFile = scenarioList.Remove(scenarioWithSameName);
StorageFolder onnxProjectDataFolder = await GetOnnxModelStorageFolderAsync();
StorageFile modelFileToRemove = await onnxProjectDataFolder.GetFileAsync(scenarioWithSameName.FileName);
if (modelEntryRemovedFromFile && modelFileToRemove != null)
{
await modelFileToRemove.DeleteAsync();
}
await SaveOrUpdateCustomVisionModelAsync(scenarioList, scenario);
},
cancelAction : async() =>
{
int maxNumberOfModelWithSameName = scenarioList
.Where(x => x.Name != null && x.Name.StartsWith(scenario.Name, StringComparison.OrdinalIgnoreCase))
.Select(x =>
{
string modelNumberInString = x.Name.Split('_').LastOrDefault();
int.TryParse(modelNumberInString, out int number);
return(number);
})
.Max();
// if user select Cancel we just save the new model with the same name
scenario.Name = $"{scenario.Name}_{maxNumberOfModelWithSameName + 1}";
await SaveOrUpdateCustomVisionModelAsync(scenarioList, scenario);
},