Files
Ursa.Avalonia/demo/Ursa.Demo/ViewModels/ElasticWrapPanelDemoViewModel.cs
2024-07-29 20:20:27 +08:00

84 lines
2.6 KiB
C#

using System.Collections.ObjectModel;
using Avalonia.Controls.Primitives;
using Avalonia.Layout;
using CommunityToolkit.Mvvm.ComponentModel;
namespace Ursa.Demo.ViewModels;
public partial class ElasticWrapPanelDemoViewModel : ObservableObject
{
[ObservableProperty] private Orientation _selectedOrientation = Orientation.Horizontal;
[ObservableProperty] private ScrollBarVisibility _horizontalVisibility = ScrollBarVisibility.Auto;
[ObservableProperty] private ScrollBarVisibility _verticalVisibility = ScrollBarVisibility.Auto;
[ObservableProperty] private bool _isFillHorizontal;
[ObservableProperty] private bool _isFillVertical;
[ObservableProperty] private double _itemWidth = 40d;
[ObservableProperty] private double _itemHeight = 40d;
[ObservableProperty] private bool _autoWidth = true;
[ObservableProperty] private bool _autoHeight = true;
[ObservableProperty] private double _itemSelfWidth = double.NaN;
[ObservableProperty] private double _itemSelfHeight = double.NaN;
[ObservableProperty] private HorizontalAlignment _cmbHAlign = HorizontalAlignment.Left;
[ObservableProperty] private VerticalAlignment _cmbVAlign = VerticalAlignment.Stretch;
public ObservableCollection<Orientation> Orientations =>
[
Orientation.Horizontal,
Orientation.Vertical,
];
public ObservableCollection<ScrollBarVisibility> ScrollBarVisibilities =>
[
ScrollBarVisibility.Auto,
ScrollBarVisibility.Hidden,
ScrollBarVisibility.Visible,
];
public ObservableCollection<HorizontalAlignment> HorizontalAlignments =>
[
HorizontalAlignment.Left,
HorizontalAlignment.Center,
HorizontalAlignment.Right,
HorizontalAlignment.Stretch,
];
public ObservableCollection<VerticalAlignment> VerticalAlignments =>
[
VerticalAlignment.Top,
VerticalAlignment.Center,
VerticalAlignment.Bottom,
VerticalAlignment.Stretch,
];
private double _oldItemSelfWidth;
private double _oldItemSelfHeight;
partial void OnAutoWidthChanged(bool value)
{
if (value)
{
_oldItemSelfWidth = ItemSelfWidth;
ItemSelfWidth = double.NaN;
}
else
{
ItemSelfWidth = _oldItemSelfWidth;
}
}
partial void OnAutoHeightChanged(bool value)
{
if (value)
{
_oldItemSelfHeight = ItemSelfHeight;
ItemSelfHeight = double.NaN;
}
else
{
ItemSelfHeight = _oldItemSelfHeight;
}
}
}