void ShowLoadingProgress(DeviceEngineControl engineControl, string title)
{
ProgressView progress = new ProgressView("Loading ..");
engineControl.Content = progress;
engineControl.Title = title;
}
void InitEngineControl(DeviceEngineControl engineControl, AnalyticsEngine engine, AnalyticsArgs args, string ctrltoken = null)
{
//try to remove and clear all needed data
if (engineControl.Content is IDisposable)
{
var disp = engineControl.Content as IDisposable;
//try to remove content from disposables collection
if (disposables.Contains(disp))
{
disposables.Remove(disp);
}
//dispose existing control
disp.Dispose();
}
//Begin load channels section
disposables.Add(EnginesView.Load(engine, args.capabilities, args.nvtSession, args.odmSession, ctrltoken)
.ObserveOnCurrentDispatcher()
.Subscribe(ctrlArgs => {
if (ctrlArgs.selectedEngineControl != null)
{
engineControl.Title = ctrlArgs.engine.name + ": " + ctrlArgs.selectedEngineControl.name;
}
else
{
engineControl.Title = ctrlArgs.engine.name;
}
EnginesView enginesView = new EnginesView(container);
disposables.Add(enginesView);
enginesView.Init(ctrlArgs);
engineControl.Content = enginesView;
}, err => {
ErrorView errorView = new ErrorView(err);
disposables.Add(errorView);
engineControl.Content = errorView;
}
));
}
void LoadEngine(AnalyticsEngine engine, AnalyticsArgs args)
{
try {
//Create engine control
DeviceEngineControl engineControl = new DeviceEngineControl();
//add control to controls dictionary
//if (engine.token == null) {
// throw new ArgumentNullException("Analytics engine token can not be null");
//}
engineControls.Add(new KeyValuePair <string, DeviceEngineControl>(engine.token, engineControl));
//Display progress bar
ShowLoadingProgress(engineControl, engine.token);
//add control to parent UI panel
parent.Children.Add(engineControl);
InitEngineControl(engineControl, engine, args);
//subscribe to control changed event
var subsToken = eventAggregator.GetEvent <ControlChangedEvent>().Subscribe(evargs => {
if (evargs.engine.token == engine.token)
{
//reload channel with new profile
InitEngineControl(engineControl, engine, args, evargs.controlToken);
}
}, false);
disposables.Add(Disposable.Create(() => {
eventAggregator.GetEvent <ControlChangedEvent>().Unsubscribe(subsToken);
}));
} catch (Exception err) {
ErrorView errorView = new ErrorView(err);
disposables.Add(errorView);
parent.Children.Add(errorView);
}
}
