Files
Ursa.Avalonia/src/Ursa/Controls/IconButton.cs
2024-01-27 15:09:38 +08:00

76 lines
2.3 KiB
C#

using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Metadata;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
using Avalonia.Layout;
using Ursa.Common;
namespace Ursa.Controls;
[PseudoClasses(PC_Right, PC_Left, PC_Top, PC_Bottom)]
public class IconButton: Button
{
public const string PC_Right = ":right";
public const string PC_Left = ":left";
public const string PC_Top = ":top";
public const string PC_Bottom = ":bottom";
public static readonly StyledProperty<object?> IconProperty = AvaloniaProperty.Register<IconButton, object?>(
nameof(Icon));
public object? Icon
{
get => GetValue(IconProperty);
set => SetValue(IconProperty, value);
}
public static readonly StyledProperty<IDataTemplate?> IconTemplateProperty = AvaloniaProperty.Register<IconButton, IDataTemplate?>(
nameof(IconTemplate));
public IDataTemplate? IconTemplate
{
get => GetValue(IconTemplateProperty);
set => SetValue(IconTemplateProperty, value);
}
public static readonly StyledProperty<bool> IsLoadingProperty = AvaloniaProperty.Register<IconButton, bool>(
nameof(IsLoading));
public bool IsLoading
{
get => GetValue(IsLoadingProperty);
set => SetValue(IsLoadingProperty, value);
}
public static readonly StyledProperty<IconPlacement> IconPlacementProperty = AvaloniaProperty.Register<IconButton, IconPlacement>(
nameof(IconPlacement), defaultValue: IconPlacement.Left);
public IconPlacement IconPlacement
{
get => GetValue(IconPlacementProperty);
set => SetValue(IconPlacementProperty, value);
}
static IconButton()
{
IconPlacementProperty.Changed.AddClassHandler<IconButton, IconPlacement>((o, e) =>
{
o.SetPlacement(e.NewValue.Value);
});
}
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
SetPlacement(IconPlacement);
}
private void SetPlacement(IconPlacement placement)
{
PseudoClasses.Set(PC_Left, placement == IconPlacement.Left);
PseudoClasses.Set(PC_Right, placement == IconPlacement.Right);
PseudoClasses.Set(PC_Top, placement == IconPlacement.Top);
PseudoClasses.Set(PC_Bottom, placement == IconPlacement.Bottom);
}
}