/// <summary>
/// Post selected CategoryViewModel to message hub
/// </summary>
protected override void ItemClick(CategoryViewModel category)
{
EditCategoryCommand.Execute(category);
}
/// <summary>
/// Initializes a new instance of the TaskViewModel class.
/// </summary>
public TaskViewModel()
{
if (IsInDesignMode)
{
TestDataService testData = new TestDataService();
TaskData = testData.Output;
}
else
{
string FileName = @".\TaskData.xml";
if (File.Exists(FileName))
{
XmlSerializer reader = new XmlSerializer(typeof(ObservableCollection <Category>));
StreamReader file = new System.IO.StreamReader(FileName);
TaskData = reader.Deserialize(file) as ObservableCollection <Category>;
}
else
{
TaskData = new ObservableCollection <Category>();
TaskData.Add(new Category()
{
CategoryName = "Inbox", Index = Guid.NewGuid().ToString(),
TaskList = new ObservableCollection <Task>()
});
TaskData[0].TaskList.Add(new Task()
{
TaskName = "Welcome", TaskNote = "", IsFinished = false, SubtaskList = new ObservableCollection <Subtask>()
}
);
TaskData.Add(new Category()
{
CategoryName = "Today", Index = Guid.NewGuid().ToString(), TaskList = new ObservableCollection <Task>()
});
TaskData.Add(new Category()
{
CategoryName = "Someday", Index = Guid.NewGuid().ToString(), TaskList = new ObservableCollection <Task>()
});
TaskData.Add(new Category()
{
CategoryName = "Log", Index = Guid.NewGuid().ToString(), TaskList = new ObservableCollection <Task>()
});
}
}
Category_State = "Normal";
AddTaskCommand = new RelayCommand(() => AddTask());
FilterTaskCommand = new RelayCommand(() => FilterTask());
ClearFilterCommand = new RelayCommand(() => { FilterStr = string.Empty; });
AddTask_EnterKeyCommand = new RelayCommand <KeyEventArgs>((e) =>
{
if (e.Key == Key.Enter)
{
AddTask();
}
});
EditCategory_DoubleClick_Command = new RelayCommand <MouseButtonEventArgs>((e) =>
{
if (e.ChangedButton == MouseButton.Left && e.ClickCount == 2)
{
EditCategoryCommand.Execute(new object());
e.Handled = true;
}
});
EditCategory_Key_Command = new RelayCommand <KeyEventArgs>((e) =>
{
if (e.Key == Key.Enter)
{
EditCategoryCommand.Execute(new object());
}
});
EditCategoryCommand = new RelayCommand(() =>
{
if (Category_State == "Normal")
{
Messenger.Default.Send <MessengerToken>(MessengerToken.Category_EditMode, "RequestSending_from_TaskVM_to_TaskView_EditCategory");
Category_State = "Edit";
}
else
{
foreach (Category c in TaskData)
{
if (string.IsNullOrEmpty(c.CategoryName))
{
c.CategoryName = "Unnamed";
}
}
Messenger.Default.Send <MessengerToken>(MessengerToken.Category_NormalMode, "RequestSending_from_TaskVM_to_TaskView_EditCategory");
Category_State = "Normal";
}
});
DeleteCategoryCommand = new RelayCommand <string>((index) =>
{
for (int i = 0; i < TaskData.Count; i++)
{
if (TaskData[i].Index == index)
{
TaskData.RemoveAt(i);
break;
}
}
});
AddCategoryCommand = new RelayCommand(() =>
{
TaskData.Insert(TaskData.Count - 1, new Category()
{
CategoryName = "Unnamed", Index = Guid.NewGuid().ToString(), TaskList = new ObservableCollection <Task>()
});
Messenger.Default.Send <MessengerToken>(MessengerToken.Category_EditMode, "RequestSending_from_TaskVM_to_TaskView_EditCategory");
Category_State = "Edit";
});
Messenger.Default.Register <MessengerToken>(this, "RequestSending_from_MainVM_to_TaskVM_SaveTaskData", false, (msg) =>
{
if (msg == MessengerToken.Save)
{
try
{
XmlSerializer writer = new XmlSerializer(typeof(ObservableCollection <Category>));
StreamWriter file = new StreamWriter(@".\TaskData.xml");
writer.Serialize(file, TaskData);
file.Close();
}
catch (Exception e)
{
Exception ie = e.InnerException;
}
}
});
Messenger.Default.Register <MessengerToken>(this, "RequestSending_from_DetailsVM_to_TaskVM_SelectedTask", false, (msg) => { if (msg == MessengerToken.Delete_this_task)
{
RemoveTask();
}
});
}