public void Next_Continue_Returns_Next_Control_In_Container()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
Children = new Controls
{
new Button { Name = "Button1" },
(current = 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, FocusNavigationDirection.Next);
Assert.Equal(next, result);
}
private Control GetHeader(VisualTreeNode node)
{
var result = new StackPanel
{
Orientation = Orientation.Horizontal,
Gap = 8,
Children = new Controls
{
new TextBlock
{
FontStyle = node.IsInTemplate ? FontStyle.Italic : FontStyle.Normal,
Text = node.Type,
},
new TextBlock
{
[!TextBlock.TextProperty] = node.WhenAnyValue(x => x.Classes),
}
}
};
result.PointerEnter += this.AddAdorner;
result.PointerLeave += this.RemoveAdorner;
return result;
}
public void Invalidating_Child_Should_Remeasure_Parent()
{
var layoutManager = new LayoutManager();
using (PerspexLocator.EnterScope())
{
PerspexLocator.CurrentMutable.Bind<ILayoutManager>().ToConstant(layoutManager);
Border border;
StackPanel panel;
var root = new TestLayoutRoot
{
Child = panel = new StackPanel
{
Children = new Controls.Controls
{
(border = new Border())
}
}
};
layoutManager.ExecuteInitialLayoutPass(root);
Assert.Equal(new Size(0, 0), root.DesiredSize);
border.Width = 100;
border.Height = 100;
layoutManager.ExecuteLayoutPass();
Assert.Equal(new Size(100, 100), panel.DesiredSize);
}
}
public void GetNextInTabOrder_Continue_Returns_First_Control_In_Next_Sibling_Container()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
Children = new Controls
{
new Button { Name = "Button1" },
new Button { Name = "Button2" },
(current = 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.GetNextInTabOrder(current);
Assert.Equal(next, result);
}
public void Track_By_Name_Should_Find_Control_Added_Later()
{
StackPanel panel;
TextBlock relativeTo;
var root = new TestRoot
{
Child = (panel = new StackPanel
{
Children = new Controls.Controls
{
(relativeTo = new TextBlock
{
Name = "start"
}),
}
})
};
var locator = ControlLocator.Track(relativeTo, "target");
var target = new TextBlock { Name = "target" };
var result = new List<IControl>();
using (locator.Subscribe(x => result.Add(x)))
{
panel.Children.Add(target);
}
Assert.Equal(new[] { null, target }, result);
Assert.Equal(0, root.NameScopeRegisteredSubscribers);
Assert.Equal(0, root.NameScopeUnregisteredSubscribers);
}
public void Should_Bind_To_Later_Added_Element()
{
TextBlock target;
StackPanel stackPanel;
var root = new TestRoot
{
Child = stackPanel = new StackPanel
{
Children = new Controls.Controls
{
(target = new TextBlock
{
Name = "target",
}),
}
}
};
var binding = new Binding
{
ElementName = "source",
Path = "Text",
};
binding.Bind(target, TextBlock.TextProperty);
stackPanel.Children.Add(new TextBlock
{
Name = "source",
Text = "foo",
});
Assert.Equal("foo", target.Text);
}
public void GetNextInTabOrder_Continue_Returns_Child_Of_Top_Level()
{
Button next;
var top = new StackPanel
{
Children = new Controls
{
(next = new Button { Name = "Button1" }),
}
};
var result = KeyboardNavigationHandler.GetNextInTabOrder(top);
Assert.Equal(next, result);
}
public void Invalidating_Child_Should_Not_Invalidate_Parent()
{
var panel = new StackPanel();
var child = new Border();
panel.Children.Add(child);
panel.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Assert.Equal(new Size(0, 0), panel.DesiredSize);
child.Width = 100;
child.Height = 100;
Assert.True(panel.IsMeasureValid);
Assert.False(child.IsMeasureValid);
panel.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Assert.Equal(new Size(0, 0), panel.DesiredSize);
}
public void Lays_Out_Children_Vertically()
{
var target = new StackPanel
{
Children = new Controls
{
new Border { Height = 20, Width = 120 },
new Border { Height = 30 },
new Border { Height = 50 },
}
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(120, 100), target.Bounds.Size);
Assert.Equal(new Rect(0, 0, 120, 20), target.Children[0].Bounds);
Assert.Equal(new Rect(0, 20, 120, 30), target.Children[1].Bounds);
Assert.Equal(new Rect(0, 50, 120, 50), target.Children[2].Bounds);
}
public void Lays_Out_Children_Horizontally()
{
var target = new StackPanel
{
Orientation = Orientation.Horizontal,
Children = new Controls
{
new Border { Width = 20, Height = 120 },
new Border { Width = 30 },
new Border { Width = 50 },
}
};
target.Measure(Size.Infinity);
target.Arrange(new Rect(target.DesiredSize));
Assert.Equal(new Size(100, 120), target.Bounds.Size);
Assert.Equal(new Rect(0, 0, 20, 120), target.Children[0].Bounds);
Assert.Equal(new Rect(20, 0, 30, 120), target.Children[1].Bounds);
Assert.Equal(new Rect(50, 0, 50, 120), target.Children[2].Bounds);
}
public void Down_Contained_Stops_At_End()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Contained,
Children = new Controls
{
(next = new Button { Name = "Button1" }),
new Button { Name = "Button2" },
(current = new Button { Name = "Button3" }),
}
}),
new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Contained,
Children = new Controls
{
new Button { Name = "Button4" },
new Button { Name = "Button5" },
new Button { Name = "Button6" },
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.Down);
Assert.Null(result);
}
public void Down_Continue_Returns_First_Control_In_Down_Sibling_Container()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children = new Controls
{
new Button { Name = "Button1" },
new Button { Name = "Button2" },
(current = new Button { Name = "Button3" }),
}
}),
new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children = new Controls
{
(next = new Button { Name = "Button4" }),
new Button { Name = "Button5" },
new Button { Name = "Button6" },
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.Down);
Assert.Equal(next, result);
}
public void Up_Cycle_Wraps_To_Last()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Cycle,
Children = new Controls
{
(current = new Button { Name = "Button1" }),
new Button { Name = "Button2" },
(next = new Button { Name = "Button3" }),
}
}),
new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Cycle,
Children = new Controls
{
new Button { Name = "Button4" },
new Button { Name = "Button5" },
new Button { Name = "Button6" },
}
},
}
};
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.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, FocusNavigationDirection.Up);
Assert.Null(result);
}
public void GetPreviousInTabOrder_Once_Moves_To_Previous_Container()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
Children = new Controls
{
new Button { Name = "Button1" },
new Button { Name = "Button2" },
(next = new Button { Name = "Button3" }),
}
}),
new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Once,
Children = new Controls
{
new Button { Name = "Button4" },
(current = new Button { Name = "Button5" }),
new Button { Name = "Button6" },
}
},
}
};
var result = KeyboardNavigationHandler.GetPreviousInTabOrder(current);
Assert.Equal(next, result);
}
public void GetPreviousInTabOrder_Continue_Wraps()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
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" },
(next = new Button { Name = "Button6" }),
}
},
}
};
var result = KeyboardNavigationHandler.GetPreviousInTabOrder(current);
Assert.Equal(next, result);
}
private Control GetHeader(LogicalTreeNode node)
{
var result = new StackPanel
{
Orientation = Orientation.Horizontal,
Gap = 8,
Children = new Controls
{
new TextBlock
{
Text = node.Type,
},
new TextBlock
{
[!TextBlock.TextProperty] = node.WhenAnyValue(x => x.Classes),
}
}
};
result.PointerEnter += AddAdorner;
result.PointerLeave += RemoveAdorner;
return result;
}
public void GetNextInTabOrder_Cycle_Wraps_To_First()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle,
Children = new Controls
{
(next = new Button { Name = "Button1" }),
new Button { Name = "Button2" },
(current = new Button { Name = "Button3" }),
}
}),
new StackPanel
{
Children = new Controls
{
new Button { Name = "Button4" },
new Button { Name = "Button5" },
new Button { Name = "Button6" },
}
},
}
};
var result = KeyboardNavigationHandler.GetNextInTabOrder(current);
Assert.Equal(next, result);
}
public void Previous_Once_Moves_To_Active_Element()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Once,
Children = new Controls
{
new Button { Name = "Button1" },
(next = new Button { Name = "Button2" }),
new Button { Name = "Button3" },
}
}),
new StackPanel
{
Children = new Controls
{
(current = new Button { Name = "Button4" }),
new Button { Name = "Button5" },
new Button { Name = "Button6" },
}
},
}
};
KeyboardNavigation.SetTabOnceActiveElement(container, next);
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.Previous);
Assert.Equal(next, result);
}
public void Track_By_Name_Should_Track_Removal_And_Readd()
{
StackPanel panel;
TextBlock target;
TextBlock relativeTo;
var root = new TestRoot
{
Child = panel = new StackPanel
{
Children = new Controls.Controls
{
(target = new TextBlock { Name = "target" }),
(relativeTo = new TextBlock { Name = "start" }),
}
}
};
var locator = ControlLocator.Track(relativeTo, "target");
var result = new List<IControl>();
locator.Subscribe(x => result.Add(x));
var other = new TextBlock { Name = "target" };
panel.Children.Remove(target);
panel.Children.Add(other);
Assert.Equal(new[] { target, null, other }, result);
}
public void Previous_Contained_Returns_Previous_Control_In_Container()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = 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, FocusNavigationDirection.Previous);
Assert.Equal(next, result);
}
public void Previous_Continue_Returns_Last_Child_Of_Sibling()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
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, FocusNavigationDirection.Previous);
Assert.Equal(next, result);
}
public void Should_Bind_To_Later_Added_Element()
{
ContentControl target;
StackPanel stackPanel;
var root = new TestRoot
{
Child = stackPanel = new StackPanel
{
Children = new Controls.Controls
{
(target = new ContentControl
{
Name = "target",
}),
}
}
};
var binding = new Binding
{
ElementName = "source",
};
binding.Bind(target, ContentControl.ContentProperty);
var source = new TextBlock
{
Name = "source",
Text = "foo",
};
stackPanel.Children.Add(source);
Assert.Same(source, target.Content);
}
public void Down_Continue_Returns_Child_Of_Top_Level()
{
Button next;
var top = new StackPanel
{
[KeyboardNavigation.DirectionalNavigationProperty] = KeyboardNavigationMode.Continue,
Children = new Controls
{
(next = new Button { Name = "Button1" }),
}
};
var result = KeyboardNavigationHandler.GetNext(top, FocusNavigationDirection.Down);
Assert.Equal(next, result);
}
public void Next_Continue_Doesnt_Enter_Panel_With_TabNavigation_None()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
Children = new Controls
{
(next = new Button { Name = "Button1" }),
new Button { Name = "Button2" },
(current = new Button { Name = "Button3" }),
}
}),
new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.None,
Children = new Controls
{
new StackPanel
{
Children = new Controls
{
new Button { Name = "Button4" },
new Button { Name = "Button5" },
new Button { Name = "Button6" },
}
},
}
}
}
};
var result = KeyboardNavigationHandler.GetNext(current, FocusNavigationDirection.Next);
Assert.Equal(next, result);
}
public void GetNextInTabOrder_Never_Skips_Container()
{
StackPanel container;
Button current;
Button next;
var top = new StackPanel
{
Children = new Controls
{
(container = new StackPanel
{
[KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Never,
Children = new Controls
{
new Button { Name = "Button1" },
new Button { Name = "Button2" },
new Button { Name = "Button3" },
}
}),
new StackPanel
{
Children = new Controls
{
(next = new Button { Name = "Button4" }),
new Button { Name = "Button5" },
(current = new Button { Name = "Button6" }),
}
},
}
};
KeyboardNavigation.SetTabOnceActiveElement(container, next);
var result = KeyboardNavigationHandler.GetNextInTabOrder(current);
Assert.Equal(next, result);
}
