public CategoriesViewModel(Client client)
{
_client = client;
Categories = new ObservableCollection<Category>(
_client.Context.Categories.ToList());
AddNewCategoryRequest = new InteractionRequest<IConfirmation>();
AddCategoryCommand = new DelegateCommand(() =>
AddNewCategoryRequest.Raise(
new Confirmation()
{
Title = "Nowa kategoria",
Content = new System.Windows.Controls.TextBox()
{
VerticalAlignment = System.Windows.VerticalAlignment.Top
}
},
AddCategory));
ConfirmDeleteCategoryRequest = new InteractionRequest<IConfirmation>();
DeleteCategoryCommand = new DelegateCommand(() =>
ConfirmDeleteCategoryRequest.Raise(
new Confirmation()
{
Title = "Potwierdź",
Content = "Czy na pewno usunąć wybraną kategorię?"
},
DeleteCategory)
, CanDeleteCategory);
}
public QuestionsViewModel(Client client, IRegionManager regionManager)
{
AddCategoryCommand = new DelegateCommand(() =>
regionManager.RequestNavigate(Regions.MainContent, typeof(AddQuestionView).FullName));
_client = client;
Questions = _client.Context
.Questions
.Expand("Answers")
.ToArray();
foreach (var item in Questions.SelectMany(a=>a.Answers))
{
client.Context.IgnoreResourceNotFoundException = true;
try
{
client.Context.LoadProperty(item, "Score");
}
catch (DataServiceClientException ex)
{
//Not sure why, but when NotFound then DataServiceClient throws exception
//It is normal thing when navigation property = null ergo is NotFound
if(!(ex.Message=="NotFound"))
{
throw;
}
}
}
}
public LoginView(IRegionManager regionManager, LoginContext loginContext, Client client)
{
_regionManager = regionManager;
_loginContext = loginContext;
_client = client;
DataContext = this;
NavigateStudent = new DelegateCommand(LoginStudent);
NavigateGetTeacherPassword = new DelegateCommand(GetTeacherPassword);
InitializeComponent();
}
public PasswordView(IRegionManager regionManager, LoginContext loginContext, Client client)
{
_regionManager = regionManager;
_loginContext = loginContext;
_client = client;
DataContext = this;
NavigateTeacher = new DelegateCommand<string>(LoginTeacher);
NavigateBack = new DelegateCommand(GoBack);
InitializeComponent();
}
public AddQuestionViewModel(Client client)
{
_client = client;
SaveCommand = new DelegateCommand(DoSave);
Categories = new ObservableCollection<Category>(
_client.Context.Categories.ToList());
SelectedCategories = new ObservableCollection<Category>();
SelectedCategory = Categories.First();
Text = "aaa";
Answers = new ObservableCollection<Answer>();
Answers.Add(new Answer() { Text = "Abc", Score = new Score() { Points = 10 } });
Answers.Add(new Answer() { Text = "Bcd" });
Answers.Add(new Answer() { Text = "Cde" });
}
