public void SelectedItem_Should_Not_Cause_StackOverflow()
{
var viewModel = new TestStackOverflowViewModel()
{
Items = new List <string> {
"foo", "bar", "baz"
}
};
var target = new ListBox
{
Template = new FuncControlTemplate(CreateListBoxTemplate),
DataContext = viewModel,
Items = viewModel.Items
};
target.Bind(ListBox.SelectedItemProperty,
new Binding("SelectedItem")
{
Mode = BindingMode.TwoWay
});
Assert.Equal(0, viewModel.SetterInvokedCount);
// In Issue #855, a Stackoverflow occured here.
target.SelectedItem = viewModel.Items[2];
Assert.Equal(viewModel.Items[1], target.SelectedItem);
Assert.Equal(1, viewModel.SetterInvokedCount);
}
private new void NewWindowOnOpened(object?sender, EventArgs e)
{
Screens screens = new Window().Screens;
PixelRect pr = screens.Primary.Bounds;
PixelPoint pp = new PixelPoint(pr.BottomRight.X / 5, pr.BottomRight.Y / 5);
Position = pp;
GridMain = this.FindControl <Grid>("GridMain");
LBSolution = this.FindControl <ListBox>("LBSolution");
ColumnDefinition column2 = GridMain.ColumnDefinitions[0];
column2.MaxWidth = 600;
column2.MinWidth = 200;
InvalidChars = new char[] { '"', '/', '\\', '<', '>', '?', '*', '|', ':' };
SolutionNameLength = 70;
CollectionLBSolution = new List <string>();
TBSolutionName = new TextBox();
LMessage = new Label();
Border border = new Border();
border.Background = Brushes.Red;
border.Child = LMessage;
PopupMessage = new Popup();
PopupMessage.IsLightDismissEnabled = true;
PopupMessage.PlacementAnchor = PopupAnchor.Bottom;
PopupMessage.PlacementTarget = TBSolutionName;
PopupMessage.Child = border;
GridMain.Children.Add(PopupMessage);
CollectionLBSolution.Add("Empty solution");
Binding bLBSolution = new Binding();
bLBSolution.Source = CollectionLBSolution;
LBSolution.Bind(ListBox.ItemsProperty, bLBSolution);
LBSolution.SelectedIndex = 0;
}
public void SelectedItem_Validation()
{
var target = new ListBox
{
Template = ListBoxTemplate(),
Items = new[] { "Foo" },
ItemTemplate = new FuncDataTemplate <string>((_, __) => new Canvas()),
SelectionMode = SelectionMode.AlwaysSelected,
VirtualizationMode = ItemVirtualizationMode.None
};
Prepare(target);
var exception = new System.InvalidCastException("failed validation");
var textObservable = new BehaviorSubject <BindingNotification>(new BindingNotification(exception, BindingErrorType.DataValidationError));
target.Bind(ComboBox.SelectedItemProperty, textObservable);
Assert.True(DataValidationErrors.GetHasErrors(target));
Assert.True(DataValidationErrors.GetErrors(target).SequenceEqual(new[] { exception }));
}
public MainWindow()
{
InitializeComponent();
var comboImgBinding = ImgCombo.Bind(ComboBox.ItemsProperty, sourcePath);
var carousBinding = ImagesCar.Bind(Carousel.ItemsProperty, sourceImg);
var comboClassBinding = NumCombo.Bind(ComboBox.ItemsProperty, sourceNum);
var listBocBinding = ImagesListBox.Bind(ListBox.ItemsProperty, sourceLB);
sourceNum.OnNext(new List <int> {
0, 1, 2, 3, 4, 5
});
ImgCombo.SelectionChanged += (s, e) =>
{
sourceImg.OnNext(new List <Avalonia.Controls.Image> {
Images[ImgCombo.SelectedIndex]
});
};
NumCombo.SelectionChanged += (s, e) =>
{
UpdateResults();
};
ClassButton.Click += (s, e) =>
{
StopButton.IsEnabled = true;
ProccText.IsVisible = true;
NumCombo.IsEnabled = true;
if (!isProcessing)
{
BeginSession();
}
};
StopButton.Click += (s, e) =>
{
if (myRec != null)
{
myRec.Stop();
}
isProcessing = false;
StopButton.IsEnabled = false;
ProccText.IsVisible = false;
};
DBButton.Click += (s, e) =>
{
int count;
using (var db = new ImagesContext())
{
var imgs = db.Images.ToList();
foreach (var im in imgs)
{
db.Images.Remove(im);
}
db.SaveChanges();
count = db.Images.ToList().Count;
}
DBAmountText.Text = "Pictures in database amount: " + count;
};
this.FindControl <Button>("ChooseDir").Click += async(s, e) =>
{
var dialog = new OpenFolderDialog();
var res = await dialog.ShowAsync(GetWindow());
if (res != null)
{
imgDir = res.ToString();
UpdateImages(imgDir);
ClassButton.IsEnabled = true;
}
};
}
