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feat: redesign IconButton.

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This commit is contained in:
Zhang Dian
2025-01-24 20:31:52 +08:00
committed by Dong Bin
parent 9797cc7676
commit 663bfe70ce
4 changed files with 79 additions and 70 deletions
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39
src/Ursa/Controls/Buttons/IconButton.cs
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@@ -7,17 +7,22 @@ using Ursa.Common;
namespace Ursa.Controls;
[PseudoClasses(PC_Right, PC_Left, PC_Top, PC_Bottom, PC_Empty)]
public class IconButton: Button
[TemplatePart(PART_RootPanel, typeof(Panel))]
[PseudoClasses(PC_Right, PC_Left, PC_Top, PC_Bottom, PC_Empty, PC_EmptyContent)]
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 const string PC_Empty = ":empty";
public static readonly StyledProperty<object?> IconProperty = AvaloniaProperty.Register<IconButton, object?>(
nameof(Icon));
public const string PC_EmptyContent = ":empty-content";
public const string PART_RootPanel = "PART_RootPanel";
private Panel? _rootPanel;
public static readonly StyledProperty<object?> IconProperty =
AvaloniaProperty.Register<IconButton, object?>(nameof(Icon));
public object? Icon
{
@@ -25,8 +30,8 @@ public class IconButton: Button
set => SetValue(IconProperty, value);
}
public static readonly StyledProperty<IDataTemplate?> IconTemplateProperty = AvaloniaProperty.Register<IconButton, IDataTemplate?>(
nameof(IconTemplate));
public static readonly StyledProperty<IDataTemplate?> IconTemplateProperty =
AvaloniaProperty.Register<IconButton, IDataTemplate?>(nameof(IconTemplate));
public IDataTemplate? IconTemplate
{
@@ -34,8 +39,8 @@ public class IconButton: Button
set => SetValue(IconTemplateProperty, value);
}
public static readonly StyledProperty<bool> IsLoadingProperty = AvaloniaProperty.Register<IconButton, bool>(
nameof(IsLoading));
public static readonly StyledProperty<bool> IsLoadingProperty =
AvaloniaProperty.Register<IconButton, bool>(nameof(IsLoading));
public bool IsLoading
{
@@ -43,8 +48,8 @@ public class IconButton: Button
set => SetValue(IsLoadingProperty, value);
}
public static readonly StyledProperty<Position> IconPlacementProperty = AvaloniaProperty.Register<IconButton, Position>(
nameof(IconPlacement), defaultValue: Position.Left);
public static readonly StyledProperty<Position> IconPlacementProperty =
AvaloniaProperty.Register<IconButton, Position>(nameof(IconPlacement), defaultValue: Position.Left);
public Position IconPlacement
{
@@ -57,16 +62,27 @@ public class IconButton: Button
IconPlacementProperty.Changed.AddClassHandler<IconButton, Position>((o, e) =>
{
o.SetPlacement(e.NewValue.Value, o.Icon);
o.InvalidateRootPanel();
});
IconProperty.Changed.AddClassHandler<IconButton, object?>((o, e) =>
{
o.SetPlacement(o.IconPlacement, e.NewValue.Value);
});
ContentProperty.Changed.AddClassHandler<IconButton>((o, e) => o.SetEmptyContent());
}
private void InvalidateRootPanel() => _rootPanel?.InvalidateArrange();
private void SetEmptyContent()
{
PseudoClasses.Set(PC_EmptyContent, Presenter?.Content is null);
}
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
_rootPanel = e.NameScope.Find<Panel>(PART_RootPanel);
SetEmptyContent();
SetPlacement(IconPlacement, Icon);
}
@@ -81,6 +97,7 @@ public class IconButton: Button
PseudoClasses.Set(PC_Bottom, false);
return;
}
PseudoClasses.Set(PC_Empty, false);
PseudoClasses.Set(PC_Left, placement == Position.Left);
PseudoClasses.Set(PC_Right, placement == Position.Right);