Files
Ursa.Avalonia/src/Ursa/Controls/Dialog/DialogControlBase.cs
2024-02-04 17:13:01 +08:00

86 lines
3.3 KiB
C#

using Avalonia.Controls;
using Avalonia.Controls.Metadata;
using Avalonia.Controls.Primitives;
using Avalonia.Input;
using Avalonia.Interactivity;
using Ursa.Common;
using Ursa.Controls.OverlayShared;
using Ursa.EventArgs;
namespace Ursa.Controls;
[TemplatePart(PART_CloseButton, typeof(Button))]
[TemplatePart(PART_TitleArea, typeof(Panel))]
[PseudoClasses(PC_Modal)]
public abstract class DialogControlBase: OverlayFeedbackElement
{
public const string PART_CloseButton = "PART_CloseButton";
public const string PART_TitleArea = "PART_TitleArea";
public const string PC_Modal = ":modal";
internal HorizontalPosition HorizontalAnchor { get; set; } = HorizontalPosition.Center;
internal VerticalPosition VerticalAnchor { get; set; } = VerticalPosition.Center;
internal HorizontalPosition ActualHorizontalAnchor { get; set; }
internal VerticalPosition ActualVerticalAnchor { get; set; }
internal double? HorizontalOffset { get; set; }
internal double? VerticalOffset { get; set; }
internal double? HorizontalOffsetRatio { get; set; }
internal double? VerticalOffsetRatio { get; set; }
internal bool CanClickOnMaskToClose { get; set; }
protected internal Button? _closeButton;
private Panel? _titleArea;
internal void SetAsModal(bool modal)
{
PseudoClasses.Set(PC_Modal, modal);
}
public static readonly RoutedEvent<DialogLayerChangeEventArgs> LayerChangedEvent = RoutedEvent.Register<CustomDialogControl, DialogLayerChangeEventArgs>(
nameof(LayerChanged), RoutingStrategies.Bubble);
public event EventHandler<DialogLayerChangeEventArgs> LayerChanged
{
add => AddHandler(LayerChangedEvent, value);
remove => RemoveHandler(LayerChangedEvent, value);
}
public void UpdateLayer(object? o)
{
if (o is DialogLayerChangeType t)
{
RaiseEvent(new DialogLayerChangeEventArgs(LayerChangedEvent, t));
}
}
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
_titleArea?.RemoveHandler(PointerMovedEvent, OnTitlePointerMove);
_titleArea?.RemoveHandler(PointerPressedEvent, OnTitlePointerPressed);
_titleArea?.RemoveHandler(PointerReleasedEvent, OnTitlePointerRelease);
_titleArea = e.NameScope.Find<Panel>(PART_TitleArea);
_titleArea?.AddHandler(PointerMovedEvent, OnTitlePointerMove, RoutingStrategies.Bubble);
_titleArea?.AddHandler(PointerPressedEvent, OnTitlePointerPressed, RoutingStrategies.Bubble);
_titleArea?.AddHandler(PointerReleasedEvent, OnTitlePointerRelease, RoutingStrategies.Bubble);
EventHelper.UnregisterClickEvent(OnCloseButtonClick, _closeButton);
_closeButton = e.NameScope.Find<Button>(PART_CloseButton);
EventHelper.RegisterClickEvent(OnCloseButtonClick, _closeButton);
}
private void OnTitlePointerPressed(object sender, PointerPressedEventArgs e)
{
e.Source = this;
}
private void OnTitlePointerMove(object sender, PointerEventArgs e)
{
e.Source = this;
}
private void OnTitlePointerRelease(object sender, PointerReleasedEventArgs e)
{
e.Source = this;
}
private void OnCloseButtonClick(object sender, RoutedEventArgs args) => Close();
}