void OnCollectionChanged(TaskCollection collection, CollectionChangedEventArgs e)
{
if (e.Element is TaskCollection)
{
if (e.Removed)
{
if (0 == _collection.Count(x => x is TaskCollection))
{
_empty = true;
base.OnPropertyChanged("IsEmpty");
}
}
else
{
if (_expanded)
{
this.Add(new CollectionTreeViewModel(e.Element as TaskCollection, _repository, _dialog));
}
if (_empty)
{
_empty = false;
base.OnPropertyChanged("IsEmpty");
}
}
}
}
public void InsertTask()
{
OctopusLib.Task newTask = new OctopusLib.Task
{
Name = string.Format("New Task {0}", TaskCollection.Count() + 1),
IsEnabled = true,
TaskActionCollection = new ObservableCollectionEx <OctopusLib.TaskAction>(),
Machines = new ObservableCollectionEx <Machine>(),
Sequence = 0,
};
this.SelectedRow = newTask;
this.TaskCollection.Add(newTask);
IsModified = true;
Message = "New task be added.";
}
public CollectionTreeViewModel(TaskCollection taskCollection, TaskRepository repository, IDialogService dialogService)
{
if (null == "taskCollection")
{
throw new ArgumentNullException("taskCollection");
}
if (null == repository)
{
throw new ArgumentNullException("repository");
}
if (null == dialogService)
{
throw new ArgumentNullException("dialogService");
}
_dialog = dialogService;
_expanded = false;
_repository = repository;
_collection = taskCollection;
_collection.CollectionChanged += this.OnCollectionChanged;
_collection.ParentChanged += this.OnParentChanged;
_repository.RepositoryChanged += this.OnRepositoryChanged;
_empty = 0 == _collection.Count(x => x is TaskCollection);
}
private void TraversalTaskList()
{
Task.Run(async() =>
{
while (true)
{
if (TaskCollection.Count() == 0)
{
NullTaskNoteVisibility = Visibility.Visible;
return;
}
NullTaskNoteVisibility = Visibility.Collapsed;
TaskCollection = new ObservableCollection <TaskItem <bool> >(TaskCollection.Where(x => x.TaskStatus != TaskStatusEnum.Completed));
if (TaskCollection.FirstOrDefault(x => x.TaskStatus == TaskStatusEnum.InProgress) != null)
{
continue;
}
else
{
await Task.Run(async() =>
{
var task = TaskCollection.FirstOrDefault(t => t.TaskStatus == TaskStatusEnum.Ready || t.TaskStatus == TaskStatusEnum.Hangup);
if (task != null)
{
if (task.TaskStatus == TaskStatusEnum.Hangup)
{
task.TaskCancellationTokenSource = new CancellationTokenSource();
}
task.TaskInstance = TaskExcuteHandler.Invoke(task, task.TaskCancellationTokenSource.Token);
await task.TaskInstance;
}
});
}
await Task.Delay(1000);
}
});
}
public void it_should_have_the_correct_amount_of_tasks()
{
Assert.Equal(2, _tasks.Count( ));
}
