public void Next_Once_Moves_To_Next_Container()
{
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Once,
Children = new Controls
{
new Button {
Name = "Button1"
},
(current = new Button {
Name = "Button2"
}),
new Button {
Name = "Button3"
},
}
},
new StackPanel
{
Children = new Controls
{
(next = new Button {
Name = "Button4"
}),
new Button {
Name = "Button5"
},
new Button {
Name = "Button6"
},
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Next);
Assert.Equal(next, result);
}
public void Previous_Contained_Returns_Previous_Control_In_Container()
{
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Contained,
Children = new Controls
{
(next = new Button {
Name = "Button1"
}),
(current = new Button {
Name = "Button2"
}),
new Button {
Name = "Button3"
},
}
},
new StackPanel
{
Children = new Controls
{
new Button {
Name = "Button4"
},
new Button {
Name = "Button5"
},
new Button {
Name = "Button6"
},
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Previous);
Assert.Equal(next, result);
}
public void Previous_Cycle_Wraps_To_Last()
{
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle,
Children = new Controls
{
(current = new Button {
Name = "Button1"
}),
new Button {
Name = "Button2"
},
(next = new Button {
Name = "Button3"
}),
}
},
new StackPanel
{
Children = new Controls
{
new Button {
Name = "Button4"
},
new Button {
Name = "Button5"
},
new Button {
Name = "Button6"
},
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Previous);
Assert.Equal(next, result);
}
public void Previous_Once_Moves_To_First_Element()
{
Button current;
Button next;
var top = new StackPanel
{
Children =
{
new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Once,
Children =
{
(next = new Button{
Name = "Button1"
}),
new Button {
Name = "Button2"
},
new Button {
Name = "Button3"
},
}
},
new StackPanel
{
Children =
{
(current = new Button {
Name = "Button4"
}),
new Button {
Name = "Button5"
},
new Button {
Name = "Button6"
},
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Previous);
Assert.Equal(next, result);
}
public void Previous_Continue_Returns_Last_Control_In_Previous_Sibling_Container()
{
Button current;
Button next;
var top = new StackPanel
{
Children =
{
new StackPanel
{
Children =
{
new Button {
Name = "Button1"
},
new Button {
Name = "Button2"
},
(next = new Button{
Name = "Button3"
}),
}
},
new StackPanel
{
Children =
{
(current = new Button{
Name = "Button4"
}),
new Button {
Name = "Button5"
},
new Button {
Name = "Button6"
},
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Previous);
Assert.Equal(next, result);
}
public void Next_Contained_Stops_At_End()
{
Button current;
var top = new StackPanel
{
Children =
{
new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Contained,
Children =
{
new Button {
Name = "Button1"
},
new Button {
Name = "Button2"
},
(current = new Button {
Name = "Button3"
}),
}
},
new StackPanel
{
Children =
{
new Button {
Name = "Button4"
},
new Button {
Name = "Button5"
},
new Button {
Name = "Button6"
},
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Next);
Assert.Null(result);
}
public void Previous_Continue_Returns_Parent()
{
Button current;
var top = new Decorator
{
Focusable = true,
Child = current = new Button
{
Name = "Button",
}
};
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.Previous);
Assert.Equal(top, result);
}
public void Previous_Contained_Stops_At_Beginning()
{
Button current;
var top = new StackPanel
{
Children = new Controls
{
new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Contained,
Children = new Controls
{
(current = new Button {
Name = "Button1"
}),
new Button {
Name = "Button2"
},
new Button {
Name = "Button3"
},
}
},
new StackPanel
{
Children = new Controls
{
new Button {
Name = "Button4"
},
new Button {
Name = "Button5"
},
new Button {
Name = "Button6"
},
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Previous);
Assert.Null(result);
}
public void Down_Continue_Returns_Child_Of_Top_Level()
{
Button next;
var top = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children =
{
(next = new Button { Name = "Button1" }),
}
};
var result = KeyboardNavigationHandler.GetNext(top, NavigationDirection.Down);
Assert.Equal(next, result);
}
public void Focusable_Controls_In_Popup_Should_Get_Focus()
{
using (CreateServicesWithFocus())
{
var window = PreparedWindow();
var tb = new TextBox();
var b = new Button();
var p = new Popup
{
PlacementTarget = window,
Child = new StackPanel
{
Children =
{
tb,
b
}
}
};
((ISetLogicalParent)p).SetParent(p.PlacementTarget);
window.Show();
p.Open();
if (p.Host is OverlayPopupHost host)
{
//Need to measure/arrange for visual children to show up
//in OverlayPopupHost
host.Measure(Size.Infinity);
host.Arrange(new Rect(host.DesiredSize));
}
tb.Focus();
Assert.True(FocusManager.Instance?.Current == tb);
//Ensure focus remains in the popup
var nextFocus = KeyboardNavigationHandler.GetNext(FocusManager.Instance.Current, NavigationDirection.Next);
Assert.True(nextFocus == b);
p.Close();
}
}
public void Up_Continue_Returns_Parent()
{
Button current;
var top = new Decorator
{
Focusable = true,
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Child = current = new Button
{
Name = "Button",
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Up);
Assert.Equal(top, result);
}
public void Next_Continue_Returns_Child_Of_Top_Level()
{
Button next;
var top = new StackPanel
{
Children = new Controls
{
(next = new Button {
Name = "Button1"
}),
}
};
var result = KeyboardNavigationHandler.GetNext(top, FocusNavigationDirection.Next);
Assert.Equal(next, result);
}
public void Down_Continue_Wraps()
{
Button current;
Button next;
var top = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children =
{
new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children =
{
new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children =
{
(next = new Button { Name = "Button1" }),
new Button { Name = "Button2" },
new Button { Name = "Button3" },
}
},
},
},
new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children =
{
new Button { Name = "Button4" },
new Button { Name = "Button5" },
(current = new Button { Name = "Button6" }),
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Down);
Assert.Equal(next, result);
}
public void Keyboard_Navigation_Should_Not_Crash_If_Selected_Item_Is_not_In_Tree()
{
using (Application())
{
var focus = FocusManager.Instance;
var navigation = AvaloniaLocator.Current.GetService <IKeyboardNavigationHandler>();
var data = CreateTestTreeData();
var selectedNode = new Node {
Value = "Out of Tree Selected Item"
};
var target = new TreeView
{
Template = CreateTreeViewTemplate(),
Items = data,
SelectedItem = selectedNode
};
var button = new Button();
var root = new TestRoot
{
Child = new StackPanel
{
Children = { target, button },
}
};
CreateNodeDataTemplate(target);
ApplyTemplates(target);
ExpandAll(target);
var item = data[0].Children[0];
var node = target.ItemContainerGenerator.Index.ContainerFromItem(item);
Assert.NotNull(node);
target.SelectedItem = selectedNode;
node.Focus();
Assert.Same(node, focus.Current);
var next = KeyboardNavigationHandler.GetNext(node, NavigationDirection.Previous);
}
}
protected override void OnAttached(CompositeDisposable disposables)
{
var hasErrors = AssociatedObject.GetObservable(DataValidationErrors.HasErrorsProperty);
var text = AssociatedObject.GetObservable(TextBox.TextProperty);
hasErrors.Select(_ => Unit.Default)
.Merge(text.Select(_ => Unit.Default))
.Throttle(TimeSpan.FromMilliseconds(100))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ =>
{
if (AssociatedObject is { } &&
!DataValidationErrors.GetHasErrors(AssociatedObject) &&
!string.IsNullOrEmpty(AssociatedObject.Text) &&
KeyboardNavigationHandler.GetNext(AssociatedObject, NavigationDirection.Next) is { } nextFocus)
{
nextFocus.Focus();
}
})
public void Up_Continue_Returns_Last_Control_In_Up_Nephew_Container()
{
Button current;
Button next;
var top = new StackPanel
{
Children =
{
new StackPanel
{
Children =
{
new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children =
{
new Button { Name = "Button1" },
new Button { Name = "Button2" },
(next = new Button { Name = "Button3" }),
}
},
},
},
new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children =
{
(current = new Button { Name = "Button4" }),
new Button { Name = "Button5" },
new Button { Name = "Button6" },
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Up);
Assert.Equal(next, result);
}
public void Up_Contained_Doesnt_Return_Child_Control()
{
Decorator current;
var top = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Contained,
Children = new Controls
{
(current = new Decorator
{
Focusable = true,
Child = new Button(),
})
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Up);
Assert.Null(result);
}
public void Previous_Contained_Doesnt_Select_Child_Control()
{
Decorator current;
var top = new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Contained,
Children = new Controls
{
(current = new Decorator
{
Focusable = true,
Child = new Button(),
})
}
};
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.Previous);
Assert.Null(result);
}
public void Up_Continue_Returns_Last_Child_Of_Sibling()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children = new Controls
{
(container = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children = new Controls
{
new Button {
Name = "Button1"
},
new Button {
Name = "Button2"
},
(next = new Button {
Name = "Button3"
}),
}
}),
(current = new Button {
Name = "Button4"
}),
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Up);
Assert.Equal(next, result);
}
public void ShiftTab_Should_Custom_Navigate_From_Outside()
{
Button current;
Button next;
var target = new CustomNavigatingStackPanel
{
Children =
{
new Button {
Content = "Button 1"
},
new Button {
Content = "Button 2"
},
(next = new Button{
Content = "Button 3"
}),
},
NextControl = next,
};
var root = new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle,
Children =
{
(current = new Button {
Content = "Outside"
}),
target,
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Previous);
Assert.Same(next, result);
}
public void Next_Skips_Non_TabStop_Siblings()
{
Button current;
Button next;
var top = new StackPanel
{
Children =
{
new StackPanel
{
Children =
{
new Button {
Name = "Button1"
},
new Button {
Name = "Button2"
},
(current = new Button{
Name = "Button3"
}),
new Button {
Name = "Button4", [KeyboardNavigation.IsTabStopProperty] = false
}
}
},
(next = new Button {
Name = "Button5"
}),
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Next);
Assert.Equal(next, result);
}
public void Tab_Should_Navigate_Outside_When_Null_Returned_As_Next()
{
Button current;
Button next;
var target = new CustomNavigatingStackPanel
{
Children =
{
new Button {
Content = "Button 1"
},
(current = new Button{
Content = "Button 2"
}),
new Button {
Content = "Button 3"
},
},
};
var root = new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle,
Children =
{
target,
(next = new Button {
Content = "Outside"
}),
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Next);
Assert.Same(next, result);
}
public void Tab_Should_Custom_Navigate_From_Outside_When_Wrapping()
{
Button current;
Button next;
var target = new CustomNavigatingStackPanel
{
Children =
{
new Button {
Content = "Button 1"
},
new Button {
Content = "Button 2"
},
(next = new Button{
Content = "Button 3"
}),
},
NextControl = next,
};
var root = new StackPanel
{
Children =
{
target,
(current = new Button {
Content = "Outside"
}),
}
};
var result = KeyboardNavigationHandler.GetNext(current, NavigationDirection.Next);
Assert.Same(next, result);
}