private void InitializeComponent()
{
PerspexXamlLoader.Load(this);
_carousel = this.FindControl<Carousel>("carousel");
_left = this.FindControl<Button>("left");
_right = this.FindControl<Button>("right");
_transition = this.FindControl<DropDown>("transition");
}
public void Logical_Children_Should_Be_Children_Of_Container()
{
var target = new DropDown();
target.Template = this.GetTemplate();
target.ApplyTemplate();
var childIds = ((ILogical)target).LogicalChildren.Cast<Control>().Select(x => x.Name);
Assert.Equal(new[] { "contentControl", "toggle", "popup" }, childIds);
}
/// <summary>
/// The default template for a <see cref="DropDown"/> control.
/// </summary>
/// <param name="control">The control being styled.</param>
/// <returns>The root of the instantiated template.</returns>
public static Control Template(DropDown control)
{
Border result = new Border
{
[~Border.BackgroundProperty] = control[~TemplatedControl.BackgroundProperty],
[~Border.BorderBrushProperty] = control[~TemplatedControl.BorderBrushProperty],
[~Border.BorderThicknessProperty] = control[~TemplatedControl.BorderThicknessProperty],
Child = new Grid
{
Name = "container",
ColumnDefinitions = new ColumnDefinitions
{
new ColumnDefinition(new GridLength(1, GridUnitType.Star)),
new ColumnDefinition(GridLength.Auto),
},
Children = new Controls
{
new ContentControl
{
Name = "contentControl",
Margin = new Thickness(3),
[~ContentControl.ContentProperty] = control[~DropDown.SelectionBoxItemProperty],
[~Layoutable.HorizontalAlignmentProperty] = control[~DropDown.HorizontalContentAlignmentProperty],
[~Layoutable.VerticalAlignmentProperty] = control[~DropDown.VerticalContentAlignmentProperty],
},
new ToggleButton
{
Name = "toggle",
BorderThickness = 0,
Background = Brushes.Transparent,
ClickMode = ClickMode.Press,
Focusable = false,
Content = new Path
{
Name = "checkMark",
Fill = Brushes.Black,
Width = 8,
Height = 4,
Stretch = Stretch.Uniform,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Data = StreamGeometry.Parse("F1 M 301.14,-189.041L 311.57,-189.041L 306.355,-182.942L 301.14,-189.041 Z"),
[Grid.ColumnProperty] = 0,
},
[~~ToggleButton.IsCheckedProperty] = control[~~DropDown.IsDropDownOpenProperty],
[Grid.ColumnProperty] = 1,
},
new Popup
{
Name = "popup",
Child = new Border
{
BorderBrush = Brushes.Black,
BorderThickness = 1,
Padding = new Thickness(4),
Child = new ItemsPresenter
{
[~ItemsPresenter.ItemsProperty] = control[~ItemsControl.ItemsProperty],
}
},
PlacementTarget = control,
StaysOpen = false,
[~~Popup.IsOpenProperty] = control[~~DropDown.IsDropDownOpenProperty],
[~Layoutable.MinWidthProperty] = control[~Visual.BoundsProperty].Cast<Rect>().Select(x => (object)x.Width),
}
},
},
};
return result;
}
