public TasksViewModel(ITaskHub taskHub)
{
Tasks = new ObservableCollection<Task>();
TaskStatuses = new ObservableCollection<string>{ "Open", "Closed", "On Hold" };
Messenger.Default.Register<GotTasksForUserEvent>(this, (e) => {
Tasks.Clear();
foreach (Task task in e.Tasks) {
Tasks.Add(task);
}
});
Messenger.Default.Register<AddedTaskEvent>(this, (e) => {
Tasks.Add(e.AddedTask);
});
Messenger.Default.Register<UpdatedTaskEvent>(this, (e) => {
if (e == null || e.UpdatedTask == null) {
return;
}
Task taskToUpdate = Tasks.FirstOrDefault(t => t.TaskID == e.UpdatedTask.TaskID);
if (taskToUpdate != null) {
if (taskToUpdate.IsDeleted || taskToUpdate.AssignedTo != Username) {
Tasks.Remove(taskToUpdate);
} else {
taskToUpdate.AssignedTo = e.UpdatedTask.AssignedTo;
taskToUpdate.Details = e.UpdatedTask.Details;
taskToUpdate.Status = e.UpdatedTask.Status;
taskToUpdate.Title = e.UpdatedTask.Title;
taskToUpdate.IsDeleted = e.UpdatedTask.IsDeleted;
}
} else {
// This is a new assigned task
Tasks.Add(e.UpdatedTask);
}
});
Messenger.Default.Register<DeletedTaskEvent>(this, (e) => {
if (e == null || e.DeletedTask == null) {
return;
}
Task deletedTask = Tasks.FirstOrDefault(t => t.TaskID == e.DeletedTask.TaskID);
if (deletedTask != null) {
Tasks.Remove(deletedTask);
}
});
Messenger.Default.Register<LoginEvent>(this, (e) => {
Username = e.Username;
});
AddTask = new RelayCommand(() => {
Messenger.Default.Send(new NewTaskEvent());
});
}
public TasksViewModel(ITaskHub taskHub)
{
Tasks = new ObservableCollection<Task>();
TaskStatuses = new ObservableCollection<string>{ "Open", "Closed", "On Hold" };
Messenger.Default.Register<GotTasksForUserEvent>(this, (e) => {
Tasks.Clear();
foreach (Task task in e.Tasks) {
Tasks.Add(task);
}
});
Messenger.Default.Register<AddedTaskEvent>(this, (e) => {
Tasks.Add(e.AddedTask);
});
Messenger.Default.Register<UpdatedTaskEvent>(this, (e) => {
if (e == null || e.UpdatedTask == null) {
return;
}
Task taskToUpdate = Tasks.FirstOrDefault(t => t.TaskID == e.UpdatedTask.TaskID);
if (taskToUpdate != null) {
if (taskToUpdate.IsDeleted) {
Tasks.Remove(taskToUpdate);
} else {
taskToUpdate.AssignedTo = e.UpdatedTask.AssignedTo;
taskToUpdate.Details = e.UpdatedTask.Details;
taskToUpdate.Status = e.UpdatedTask.Status;
taskToUpdate.Title = e.UpdatedTask.Title;
taskToUpdate.IsDeleted = e.UpdatedTask.IsDeleted;
}
}
});
Messenger.Default.Register<DeletedTaskEvent>(this, (e) => {
if (e == null || e.DeletedTask == null) {
return;
}
Task deletedTask = Tasks.FirstOrDefault(t => t.TaskID == e.DeletedTask.TaskID);
if (deletedTask != null) {
Tasks.Remove(deletedTask);
}
});
AddTask = new RelayCommand(() => {
Messenger.Default.Send(new NewTaskEvent());
});
if (DesignerProperties.IsInDesignTool) {
for (int i = 0; i < 10; i++) {
Tasks.Add(new Task {
AssignedTo = "andyjmay",
DateCreated = System.DateTime.Today.AddDays(-i),
Details = "Some details for task " + i,
IsDeleted = false,
Status = "Open",
Title = "Task " + i
});
}
}
}
