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| 1 | +using Files.UserControls; |
| 2 | +using Files.Views; |
| 3 | +using Microsoft.Toolkit.Mvvm.ComponentModel; |
| 4 | +using System; |
| 5 | +using System.Collections.Generic; |
| 6 | +using System.ComponentModel; |
| 7 | +using System.Linq; |
| 8 | +using System.Runtime.CompilerServices; |
| 9 | +using System.Text; |
| 10 | +using System.Threading.Tasks; |
| 11 | +using Windows.UI.Core; |
| 12 | +using Windows.UI.Xaml; |
| 13 | +using Windows.UI.Xaml.Controls; |
| 14 | + |
| 15 | +namespace Files.ViewModels |
| 16 | +{ |
| 17 | + public class AdaptiveSidebarViewModel : ObservableObject, IDisposable |
| 18 | + { |
| 19 | + public static readonly GridLength CompactSidebarWidth = SidebarControl.GetSidebarCompactSize(); |
| 20 | + public event EventHandler<WindowCompactStateChangedEventArgs> WindowCompactStateChanged; |
| 21 | + private bool isWindowCompactSize; |
| 22 | + |
| 23 | + public bool IsWindowCompactSize |
| 24 | + { |
| 25 | + get => isWindowCompactSize; |
| 26 | + set |
| 27 | + { |
| 28 | + if (isWindowCompactSize != value) |
| 29 | + { |
| 30 | + isWindowCompactSize = value; |
| 31 | + WindowCompactStateChanged?.Invoke(this, new WindowCompactStateChangedEventArgs(isWindowCompactSize)); |
| 32 | + |
| 33 | + OnPropertyChanged(nameof(IsWindowCompactSize)); |
| 34 | + OnPropertyChanged(nameof(SidebarWidth)); |
| 35 | + OnPropertyChanged(nameof(IsSidebarOpen)); |
| 36 | + } |
| 37 | + } |
| 38 | + } |
| 39 | + |
| 40 | + public GridLength SidebarWidth |
| 41 | + { |
| 42 | + get => IsWindowCompactSize || !IsSidebarOpen ? CompactSidebarWidth : App.AppSettings.SidebarWidth; |
| 43 | + set |
| 44 | + { |
| 45 | + if (IsWindowCompactSize || !IsSidebarOpen) |
| 46 | + { |
| 47 | + return; |
| 48 | + } |
| 49 | + if (App.AppSettings.SidebarWidth != value) |
| 50 | + { |
| 51 | + App.AppSettings.SidebarWidth = value; |
| 52 | + OnPropertyChanged(nameof(SidebarWidth)); |
| 53 | + } |
| 54 | + } |
| 55 | + } |
| 56 | + |
| 57 | + public bool IsSidebarOpen |
| 58 | + { |
| 59 | + get => !IsWindowCompactSize && App.AppSettings.IsSidebarOpen; |
| 60 | + set |
| 61 | + { |
| 62 | + if (IsWindowCompactSize) |
| 63 | + { |
| 64 | + return; |
| 65 | + } |
| 66 | + if (App.AppSettings.IsSidebarOpen != value) |
| 67 | + { |
| 68 | + App.AppSettings.IsSidebarOpen = value; |
| 69 | + OnPropertyChanged(nameof(SidebarWidth)); |
| 70 | + OnPropertyChanged(nameof(IsSidebarOpen)); |
| 71 | + } |
| 72 | + } |
| 73 | + } |
| 74 | + |
| 75 | + public AdaptiveSidebarViewModel() |
| 76 | + { |
| 77 | + Window.Current.SizeChanged += Current_SizeChanged; |
| 78 | + App.AppSettings.PropertyChanged += AppSettings_PropertyChanged; |
| 79 | + Current_SizeChanged(null, null); |
| 80 | + } |
| 81 | + |
| 82 | + private void AppSettings_PropertyChanged(object sender, PropertyChangedEventArgs e) |
| 83 | + { |
| 84 | + switch (e.PropertyName) |
| 85 | + { |
| 86 | + case nameof(App.AppSettings.SidebarWidth): |
| 87 | + OnPropertyChanged(nameof(SidebarWidth)); |
| 88 | + break; |
| 89 | + |
| 90 | + case nameof(App.AppSettings.IsSidebarOpen): |
| 91 | + if (App.AppSettings.IsSidebarOpen != IsSidebarOpen) |
| 92 | + { |
| 93 | + OnPropertyChanged(nameof(IsSidebarOpen)); |
| 94 | + } |
| 95 | + break; |
| 96 | + } |
| 97 | + } |
| 98 | + |
| 99 | + private void Current_SizeChanged(object sender, WindowSizeChangedEventArgs e) |
| 100 | + { |
| 101 | + if ((Window.Current.Content as Frame).CurrentSourcePageType != typeof(Settings)) |
| 102 | + { |
| 103 | + if (IsWindowCompactSize != Window.Current.Bounds.Width <= 750) |
| 104 | + { |
| 105 | + IsWindowCompactSize = Window.Current.Bounds.Width <= 750; |
| 106 | + } |
| 107 | + } |
| 108 | + } |
| 109 | + |
| 110 | + |
| 111 | + public void Dispose() |
| 112 | + { |
| 113 | + Window.Current.SizeChanged -= Current_SizeChanged; |
| 114 | + App.AppSettings.PropertyChanged -= AppSettings_PropertyChanged; |
| 115 | + } |
| 116 | + } |
| 117 | + |
| 118 | + public class WindowCompactStateChangedEventArgs |
| 119 | + { |
| 120 | + public bool IsWindowCompact { get; set; } |
| 121 | + |
| 122 | + public WindowCompactStateChangedEventArgs(bool isCompact) |
| 123 | + { |
| 124 | + IsWindowCompact = isCompact; |
| 125 | + } |
| 126 | + } |
| 127 | +} |
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