public void ViewModelTestEditACard()
{
Group m = new Group();
m.Setup();
m.testMode = true;
FlashCard card = new FlashCard("Question", "Answer", "Test");
FlashCard newCard = new FlashCard("que", "ans", "Test");
m.Cards.Add(card);
FlashCardsViewModel vm = new FlashCardsViewModel("Test", m.Cards, m);
vm.EditFlashCard(card, newCard);
bool found = false;
foreach (FlashCard f in vm.AllCards)
{
if (f.ToString() == card.ToString())
{
found = true;
}
}
Assert.IsFalse(found); // this should be false
}
public AddFlashCardPageViewModel(string cardGroup, FlashCardsViewModel flashCardsViewModel)
{
this.group = cardGroup;
this.flashCardsViewModel = flashCardsViewModel;
AddCommand = new Command(execute: AddNewCard);
}
public EditFlashCardViewModel(FlashCard card, FlashCardsViewModel flashCardsViewModel)
{
this.oldFlashCard = card;
this.flashCardsViewModel = flashCardsViewModel;
Question = card.Question;
Answer = card.Answer;
SaveCommand = new Command(execute: SaveNewCard);
}
public FlashCardsPage(FlashCardsViewModel vm)
{
InitializeComponent();
this.vm = vm;
BindingContext = vm ?? new FlashCardsViewModel();
FlashCardsListView.SelectionMode = ListViewSelectionMode.None;
FlashCardsListView.ItemTapped += QuestionListView_ItemTapped;
DataTemplate dataTemplate = new DataTemplate(() => // taken from https://github.com/UniversityOfPlymouthComputing/MobileDev-XamarinForms/blob/master/docs/Chapters/Chapter_4_MasterDetail/listview-delete.md
{
//Return a subclass of Cell
TextCell cell = new TextCell();
//We can set properties on cell
MenuItem delete = new MenuItem
{
Text = "Delete",
IsDestructive = true
};
MenuItem edit = new MenuItem
{
Text = "Edit",
IsDestructive = true
};
delete.SetBinding(MenuItem.CommandProperty, new Binding("DeleteCommand", source: this.BindingContext));
delete.SetBinding(MenuItem.CommandParameterProperty, new Binding("."));
edit.SetBinding(MenuItem.CommandProperty, new Binding("EditCommand", source: this.BindingContext));
edit.SetBinding(MenuItem.CommandParameterProperty, new Binding("."));
//Add menu item to the cell
cell.ContextActions.Add(delete);
cell.ContextActions.Add(edit);
return(cell);
});
dataTemplate.SetBinding(TextCell.TextProperty, "Question");
//Finally, set the ItemTemplate property (type DataTemplate)
FlashCardsListView.ItemTemplate = dataTemplate;
}
public void ViewModelTestAddACard()
{
Group m = new Group();
m.Setup();
m.testMode = true;
FlashCardsViewModel vm = new FlashCardsViewModel("Test", m.Cards, m);
FlashCard card = new FlashCard("Example question", "Example answer", "Test");
vm.AddFlashCard(card);
bool found = false;
foreach (FlashCard f in vm.AllCards)
{
if (f.ToString() == card.ToString())
{
found = true;
}
}
Assert.IsTrue(found); // this should be true
}