public MainWindowViewModel()
{
ToolboxViewModel = new ToolboxViewModel();
ErrorsListViewModel = new ErrorsListViewModel();
PropertyInspectorViewModel = new PropertyInspectorViewModel();
DebugViewModel = new DebugViewModel();
OutputViewModel = new OutputViewModel();
WorkflowOutlineViewModel = new WorkflowOutlineViewModel();
StatusViewModel.SetText("Ready");
syncCtx = SynchronizationContext.Current;
ToolboxViewModel.IsVisible = true;
PropertyInspectorViewModel.IsVisible = true;
OutputViewModel.IsVisible = true;
ErrorsListViewModel.IsVisible = true;
DebugViewModel.IsVisible = true;
WorkflowOutlineViewModel.IsVisible = true;
MessengerInstance.Register <RequestCloseProgramMessage>(this, OnRequestCloseProgramMessage);
}
public void AddReference()
{
var worker = new BackgroundWorker
{
WorkerReportsProgress = true
};
worker.ProgressChanged += (sender, args) => StatusViewModel.SetProgressValue(args.ProgressPercentage, 100);
worker.DoWork += (sender, args) =>
{
StatusViewModel.SetProgressText("Searching activities on references directories");
var directories = Settings.Default.ReferencesPaths;
var actitiesTypes = new List <Type>();
if (directories != null)
{
for (var i = 0; i < directories.Count; i++)
{
worker.ReportProgress(i * 100 / directories.Count);
var directory = directories[i];
var fileNames = Directory.GetFiles(directory, "*.dll", SearchOption.TopDirectoryOnly);
foreach (var fileName in fileNames)
{
try
{
var assembly = Assembly.LoadFile(fileName);
actitiesTypes.AddRange(assembly.GetExportedTypes().Where(IsValidActivityType));
}
catch (BadImageFormatException)
{
}
catch (ReflectionTypeLoadException)
{
}
catch (TypeLoadException)
{
}
}
}
args.Result = actitiesTypes;
}
};
worker.RunWorkerCompleted += (o, eventArgs) =>
{
var activitiesTypes = eventArgs.Result as IEnumerable <Type>;
var selectMsg = new SelectActivitiesTypesMessage(
activitiesTypes,
this,
null,
result =>
{
if (result.PerformAdd)
{
foreach (var activityType in result.SelectedActivitiesTypes)
{
AddActivity(activityType);
}
}
});
StatusViewModel.HideProgress();
MessengerInstance.Send(selectMsg);
};
worker.RunWorkerAsync();
}