chuan/Ursa.Avalonia
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feat: implement multi layer dialog.

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This commit is contained in:
rabbitism
2024-01-23 22:48:30 +08:00
parent 61ebba897b
commit c8540feeb3
15 changed files with 231 additions and 104 deletions
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76
src/Ursa/Controls/Dialog/OverlayDialogHost.cs
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@@ -15,39 +15,44 @@ public class OverlayDialogHost: Canvas
{
private readonly List<DialogControl> _dialogs = new();
private readonly List<DialogControl> _modalDialogs = new();
private readonly List<Border> _masks = new();
public static readonly StyledProperty<string> HostIdProperty = AvaloniaProperty.Register<OverlayDialogHost, string>(
nameof(HostId));
public string HostId
{
get => GetValue(HostIdProperty);
set => SetValue(HostIdProperty, value);
}
public string? HostId { get; set; }
private Point _lastPoint;
public static readonly StyledProperty<IBrush?> OverlayMaskBrushProperty = AvaloniaProperty.Register<OverlayDialogHost, IBrush?>(
nameof(OverlayMaskBrush));
public IBrush? OverlayMaskBrush
{
get => GetValue(OverlayMaskBrushProperty);
set => SetValue(OverlayMaskBrushProperty, value);
}
private Border CreateOverlayMask() => new()
{
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
Width = this.Bounds.Width,
Height = this.Bounds.Height,
[!BackgroundProperty] = this[!OverlayMaskBrushProperty],
IsVisible = true,
};
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
OverlayDialogManager.RegisterOverlayDialogHost(this, HostId);
this.Children.Add(new Border()
{
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch,
Background = Brushes.Black,
Opacity = 0.3,
IsVisible = false,
});
}
protected override void OnSizeChanged(SizeChangedEventArgs e)
{
base.OnSizeChanged(e);
if (this.Children.Count > 0)
for (int i = 0; i < _masks.Count; i++)
{
this.Children[0].Width = this.Bounds.Width;
this.Children[0].Height = this.Bounds.Height;
_masks[i].Width = this.Bounds.Width;
_masks[i].Width = this.Bounds.Height;
}
}
@@ -87,11 +92,8 @@ public class OverlayDialogHost: Canvas
public void AddDialog(DialogControl control)
{
this.Children.Add(control);
_dialogs.Add(control);
control.OnClose += OnDialogClose;
if (this.Children.Count > 1)
{
this.Children[0].IsVisible = true;
}
}
private void OnDialogClose(object sender, object? e)
@@ -100,16 +102,38 @@ public class OverlayDialogHost: Canvas
{
this.Children.Remove(control);
control.OnClose -= OnDialogClose;
if (this.Children.Count == 1)
if (_dialogs.Contains(control))
{
this.Children[0].IsVisible = false;
_dialogs.Remove(control);
}
else if(_modalDialogs.Contains(control))
{
_modalDialogs.Remove(control);
if (_masks.Count > 0)
{
var last = _masks.Last();
this.Children.Remove(last);
_masks.Remove(last);
if (_masks.Count > 0)
{
_masks.Last().IsVisible= true;
}
}
}
}
}
public void AddModalDialog(DialogControl control)
{
var mask = CreateOverlayMask();
this.Children.Add(mask);
this.Children.Add(control);
_modalDialogs.Add(control);
for (int i = 0; i < _masks.Count; i++)
{
_masks[i].IsVisible = false;
}
_masks.Add(mask);
control.OnClose += OnDialogClose;
}
}