private void SetupAddRowToHostFunctionsIfAny(Avalonia.Controls.Control row, AddRowToHostFunctions functions = null)
{
if (functions != null)
{
functions.show = () =>
{
row.IsVisible = true;
};
functions.hide = () =>
{
row.IsVisible = false;
};
}
}
public void DataContext_Binding_Should_Produce_Correct_Results()
{
var root = new Decorator
{
DataContext = new { Foo = "bar" },
};
var child = new Control();
var dataContextBinding = new Binding("Foo");
var values = new List<object>();
child.GetObservable(Border.DataContextProperty).Subscribe(x => values.Add(x));
child.Bind(ContentControl.DataContextProperty, dataContextBinding);
root.Child = child;
Assert.Equal(new[] { null, "bar" }, values);
}
protected void RenderToFile(Control target, [CallerMemberName] string testName = "")
{
if (!Directory.Exists(OutputPath))
{
Directory.CreateDirectory(OutputPath);
}
string path = Path.Combine(OutputPath, testName + ".out.png");
using (RenderTargetBitmap bitmap = new RenderTargetBitmap(
(int)target.Width,
(int)target.Height))
{
Size size = new Size(target.Width, target.Height);
target.Measure(size);
target.Arrange(new Rect(size));
bitmap.Render(target);
bitmap.Save(path);
}
}
public void DataContext_Binding_Should_Track_Parent()
{
var parent = new Decorator
{
DataContext = new { Foo = "foo" },
};
var child = new Control();
var binding = new Binding
{
Path = "Foo",
};
child.Bind(Control.DataContextProperty, binding);
Assert.Null(child.DataContext);
parent.Child = child;
Assert.Equal("foo", child.DataContext);
}
/// <summary>
/// Handle mouse double click to select word under the mouse.
/// </summary>
/// <param name="parent">the control hosting the html to set cursor and invalidate</param>
/// <param name="e">mouse event args</param>
public void HandleMouseDoubleClick(Control parent, PointerEventArgs e)
{
ArgChecker.AssertArgNotNull(parent, "parent");
ArgChecker.AssertArgNotNull(e, "e");
_htmlContainerInt.HandleMouseDoubleClick(new ControlAdapter(parent), Util.Convert(e.GetPosition(parent)));
}
/// <summary>
/// Gets the value of the VerticalScrollBarVisibility attached property.
/// </summary>
/// <param name="control">The control to set the value on.</param>
/// <param name="value">The value of the property.</param>
public void SetVerticalScrollBarVisibility(Control control, ScrollBarVisibility value)
{
control.SetValue(VerticalScrollBarVisibilityProperty, value);
}
/// <summary>
/// Gets the value of the HorizontalScrollBarVisibility attached property.
/// </summary>
/// <param name="control">The control to set the value on.</param>
/// <param name="value">The value of the property.</param>
public void SetHorizontalScrollBarVisibility(Control control, ScrollBarVisibility value)
{
control.SetValue(HorizontalScrollBarVisibilityProperty, value);
}
/// <summary>
/// Gets the value of the VerticalScrollBarVisibility attached property.
/// </summary>
/// <param name="control">The control to read the value from.</param>
/// <returns>The value of the property.</returns>
public ScrollBarVisibility GetVerticalScrollBarVisibility(Control control)
{
return control.GetValue(VerticalScrollBarVisibilityProperty);
}
/// <summary>
/// Handle mouse move to handle hover cursor and text selection.
/// </summary>
/// <param name="parent">the control hosting the html to set cursor and invalidate</param>
/// <param name="mousePos">the mouse event args</param>
public void HandleMouseMove(Control parent, Point mousePos)
{
ArgChecker.AssertArgNotNull(parent, "parent");
_htmlContainerInt.HandleMouseMove(new ControlAdapter(parent), Util.Convert(mousePos));
}
public static void SetPreviewWith(object target, Control control)
{
Substitutes.Remove(target);
Substitutes.Add(target, control);
}
/// <summary>
/// Handle key down event for selection and copy.
/// </summary>
/// <param name="parent">the control hosting the html to invalidate</param>
/// <param name="e">the pressed key</param>
public void HandleKeyDown(Control parent, KeyEventArgs e)
{
ArgChecker.AssertArgNotNull(parent, "parent");
ArgChecker.AssertArgNotNull(e, "e");
_htmlContainerInt.HandleKeyDown(new ControlAdapter(parent), CreateKeyEevent(e));
}
public static void SetDataContext(Control control, object value)
{
control.SetValue(DataContextProperty, value);
}
public static object GetDataContext(Control control)
{
return control.GetValue(DataContextProperty);
}
public static void SetWidth(Control control, double value)
{
control.SetValue(WidthProperty, value);
}
public static double GetWidth(Control control)
{
return control.GetValue(WidthProperty);
}
public static void SetHeight(Control control, double value)
{
control.SetValue(HeightProperty, value);
}
public static double GetHeight(Control control)
{
return control.GetValue(HeightProperty);
}
/// <summary>
/// Handle mouse leave to handle hover cursor.
/// </summary>
/// <param name="parent">the control hosting the html to set cursor and invalidate</param>
public void HandleMouseLeave(Control parent)
{
ArgChecker.AssertArgNotNull(parent, "parent");
_htmlContainerInt.HandleMouseLeave(new ControlAdapter(parent));
}
/// <summary>
/// Handle mouse up to handle selection and link click.
/// </summary>
/// <param name="parent">the control hosting the html to invalidate</param>
/// <param name="e">the mouse event args</param>
public void HandleLeftMouseUp(Control parent, PointerEventArgs e)
{
ArgChecker.AssertArgNotNull(parent, "parent");
ArgChecker.AssertArgNotNull(e, "e");
var mouseEvent = new RMouseEvent(true);
_htmlContainerInt.HandleMouseUp(new ControlAdapter(parent), Util.Convert(e.GetPosition(parent)), mouseEvent);
}
/// <summary>
/// Sets the value of the Dock attached property on the specified control.
/// </summary>
/// <param name="control">The control.</param>
/// <param name="value">The value of the Dock property.</param>
public static void SetDock(Control control, Dock value)
{
control.SetValue(DockProperty, value);
}
/// <summary>
/// Gets the value of the HorizontalScrollBarVisibility attached property.
/// </summary>
/// <param name="control">The control to read the value from.</param>
/// <returns>The value of the property.</returns>
public ScrollBarVisibility GetHorizontalScrollBarVisibility(Control control)
{
return control.GetValue(HorizontalScrollBarVisibilityProperty);
}
/// <summary>
/// Init.
/// </summary>
public ControlAdapter(Control control)
: base(AvaloniaAdapter.Instance)
{
ArgChecker.AssertArgNotNull(control, "control");
_control = control;
}
public TreeNode(Control control, TreeNode parent)
{
Control = control;
Parent = parent;
Type = control.GetType().Name;
var classesChanged = Observable.FromEventPattern<
NotifyCollectionChangedEventHandler,
NotifyCollectionChangedEventArgs>(
x => control.Classes.CollectionChanged += x,
x => control.Classes.CollectionChanged -= x)
.TakeUntil(((IStyleable)control).StyleDetach);
classesChanged.Select(_ => Unit.Default)
.StartWith(Unit.Default)
.Subscribe(_ =>
{
if (control.Classes.Count > 0)
{
Classes = "(" + string.Join(" ", control.Classes) + ")";
}
else
{
Classes = string.Empty;
}
});
}
protected void RemoveAdorner(object sender, PointerEventArgs e)
{
if (_adorner != null)
{
((Panel)_adorner.Parent).Children.Remove(_adorner);
_adorner = null;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AvaloniaInputSource"/> class.
/// </summary>
/// <param name="source">The source element.</param>
/// <param name="relative">The relative element.</param>
/// <param name="translate">The translate function.</param>
public AvaloniaInputSource(Control source, Control relative, Func<Point, Point> translate)
{
LeftDown = GetPressedObservable(source, "PointerPressed", relative, translate, MouseButton.Left);
LeftUp = GetReleasedObservable(source, "PointerReleased", relative, translate, MouseButton.Left);
RightDown = GetPressedObservable(source, "PointerPressed", relative, translate, MouseButton.Right);
RightUp = GetReleasedObservable(source, "PointerReleased", relative, translate, MouseButton.Right);
Move = GetMoveObservable(source, "PointerMoved", relative, translate);
}
internal static void ApplyDesignerProperties(Control target, Control source)
{
if (source.IsSet(WidthProperty))
target.Width = source.GetValue(WidthProperty);
if (source.IsSet(HeightProperty))
target.Height = source.GetValue(HeightProperty);
if (source.IsSet(DataContextProperty))
target.DataContext = source.GetValue(DataContextProperty);
}
public ControlDetailsViewModel(Control control)
{
if (control != null)
{
Properties = AvaloniaPropertyRegistry.Instance.GetRegistered(control)
.Select(x => new PropertyDetails(control, x))
.OrderBy(x => x.IsAttached)
.ThenBy(x => x.Name);
}
}
public void BindKeyGestures(Control uiElement)
{
foreach (var keyboardShortcut in _keyboardShortcuts)
{
if (keyboardShortcut.KeyGesture != null)
{
(uiElement as Window)?.KeyBindings.Add(new KeyBinding
{
Gesture = keyboardShortcut.KeyGesture,
Command = keyboardShortcut.CommandDefinition.Command
});
}
}
}
protected void AddAdorner(object sender, PointerEventArgs e)
{
var node = (TreeNode)((Control)sender).DataContext;
var layer = AdornerLayer.GetAdornerLayer(node.Control);
if (layer != null)
{
_adorner = new Rectangle
{
Fill = new SolidColorBrush(0x80a0c5e8),
[AdornerLayer.AdornedElementProperty] = node.Control,
};
layer.Children.Add(_adorner);
}
}
public void Negative_Margin_Larger_Than_Constraint_Should_Request_Height_0()
{
Control target;
var outer = new Decorator
{
Width = 100,
Height = 100,
Child = target = new Control
{
Margin = new Thickness(0, -100, 0, 0),
}
};
outer.Measure(Size.Infinity);
Assert.Equal(0, target.DesiredSize.Height);
}
/// <summary>
/// Shows a context menu for the specified control.
/// </summary>
/// <param name="control">The control.</param>
private void Show(Control control)
{
if (control != null)
{
if(_popup == null)
{
_popup = new Popup()
{
PlacementMode = PlacementMode.Pointer,
PlacementTarget = control,
StaysOpen = false
};
_popup.Closed += PopupClosed;
}
((ISetLogicalParent)_popup).SetParent(control);
_popup.Child = control.ContextMenu;
_popup.Open();
control.ContextMenu._isOpen = true;
}
}
