public AddTaskViewModel(ObservableCollection<Task> tasks, ObservableCollection<TaskList> taskLists)
{
_tasks = tasks;
TaskLists = taskLists;
ViewTitle = "add new task";
Task = new Task();
AddTaskCommand = new DelegateCommand(AddTaskCommandHandler);
}
/// <summary>
/// Called when the edit command is executed.
/// </summary>
/// <param name="task">The task.</param>
private void OnEditCommandExecuted(Task task)
{
if (EditTaskCommand.CanExecute(task))
{
string uriString = "/Views/EditTaskView.xaml?TaskIndex="+_tasks.IndexOf(task);
NavigateTo(uriString);
}
}
private void AddTaskCommandHandler()
{
Task taskToAdd;
// Make sure nobody edits the Task before it's been reset.
lock (_tasks)
{
taskToAdd = Task;
Task = new Task();
}
_tasks.Add(taskToAdd);
}
