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using DynamicData;
using DynamicData.Binding;
using Ryujinx.Ava.Common.Locale;
using Ryujinx.Ava.UI.Models;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using System.Collections.Generic;
using System.Collections.ObjectModel;
namespace Ryujinx.Ava.UI.ViewModels
{
public class UserSaveManagerViewModel : BaseModel
{
private int _sortIndex;
private int _orderIndex;
private string _search;
private ObservableCollection<SaveModel> _saves = new();
private ObservableCollection<SaveModel> _views = new();
private readonly AccountManager _accountManager;
public string SaveManagerHeading => LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.SaveManagerHeading, _accountManager.LastOpenedUser.Name, _accountManager.LastOpenedUser.UserId);
public int SortIndex
{
get => _sortIndex;
set
{
_sortIndex = value;
OnPropertyChanged();
Sort();
}
}
public int OrderIndex
{
get => _orderIndex;
set
{
_orderIndex = value;
OnPropertyChanged();
Sort();
}
}
public string Search
{
get => _search;
set
{
_search = value;
OnPropertyChanged();
Sort();
}
}
public ObservableCollection<SaveModel> Saves
{
get => _saves;
set
{
_saves = value;
OnPropertyChanged();
Sort();
}
}
public ObservableCollection<SaveModel> Views
{
get => _views;
set
{
_views = value;
OnPropertyChanged();
}
}
public UserSaveManagerViewModel(AccountManager accountManager)
{
_accountManager = accountManager;
}
public void Sort()
{
Saves.AsObservableChangeSet()
.Filter(Filter)
.Sort(GetComparer())
.Bind(out var view).AsObservableList();
_views.Clear();
_views.AddRange(view);
OnPropertyChanged(nameof(Views));
}
private bool Filter(object arg)
{
if (arg is SaveModel save)
{
return string.IsNullOrWhiteSpace(_search) || save.Title.ToLower().Contains(_search.ToLower());
}
return false;
}
private IComparer<SaveModel> GetComparer()
{
return SortIndex switch
{
0 => OrderIndex == 0
? SortExpressionComparer<SaveModel>.Ascending(save => save.Title)
: SortExpressionComparer<SaveModel>.Descending(save => save.Title),
1 => OrderIndex == 0
? SortExpressionComparer<SaveModel>.Ascending(save => save.Size)
: SortExpressionComparer<SaveModel>.Descending(save => save.Size),
_ => null,
};
}
}
}
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