/
CoinListViewModel.cs
464 lines (401 loc) · 11.9 KB
/
CoinListViewModel.cs
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using Avalonia.Controls;
using Avalonia.Threading;
using DynamicData;
using DynamicData.Binding;
using ReactiveUI;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.Linq;
using System.Reactive;
using System.Reactive.Disposables;
using System.Reactive.Linq;
using WalletWasabi.Gui.Models;
using WalletWasabi.Gui.ViewModels;
using WalletWasabi.Models;
namespace WalletWasabi.Gui.Controls.WalletExplorer
{
public class CoinListViewModel : ViewModelBase
{
private CompositeDisposable Disposables { get; set; }
public SourceList<CoinViewModel> RootList { get; private set; }
private ReadOnlyObservableCollection<CoinViewModel> _coinViewModels;
private SortExpressionComparer<CoinViewModel> _myComparer;
private CoinViewModel _selectedCoin;
private bool? _selectAllCheckBoxState;
private SortOrder _statusSortDirection;
private SortOrder _privacySortDirection;
private SortOrder _amountSortDirection;
private bool? _selectPrivateCheckBoxState;
private bool? _selectNonPrivateCheckBoxState;
private GridLength _coinJoinStatusWidth;
private SortOrder _clustersSortDirection;
public ReactiveCommand<Unit, Unit> EnqueueCoin { get; }
public ReactiveCommand<Unit, Unit> DequeueCoin { get; }
public ReactiveCommand<Unit, Unit> SelectAllCheckBoxCommand { get; }
public ReactiveCommand<Unit, Unit> SelectPrivateCheckBoxCommand { get; }
public ReactiveCommand<Unit, Unit> SelectNonPrivateCheckBoxCommand { get; }
public ReactiveCommand<Unit, Unit> SortCommand { get; }
public event EventHandler DequeueCoinsPressed;
public event EventHandler<CoinViewModel> SelectionChanged;
private List<CoinViewModel> RemovedCoinViewModels { get; }
public ReadOnlyObservableCollection<CoinViewModel> Coins => _coinViewModels;
private SortExpressionComparer<CoinViewModel> MyComparer
{
get => _myComparer;
set => this.RaiseAndSetIfChanged(ref _myComparer, value);
}
public CoinViewModel SelectedCoin
{
get => _selectedCoin;
set
{
this.RaiseAndSetIfChanged(ref _selectedCoin, value);
this.RaisePropertyChanged(nameof(CanDeqeue));
}
}
public bool CanDeqeue => SelectedCoin is null ? false : SelectedCoin.CoinJoinInProgress;
public bool? SelectAllCheckBoxState
{
get => _selectAllCheckBoxState;
set => this.RaiseAndSetIfChanged(ref _selectAllCheckBoxState, value);
}
public bool? SelectPrivateCheckBoxState
{
get => _selectPrivateCheckBoxState;
set => this.RaiseAndSetIfChanged(ref _selectPrivateCheckBoxState, value);
}
public SortOrder StatusSortDirection
{
get => _statusSortDirection;
set => this.RaiseAndSetIfChanged(ref _statusSortDirection, value);
}
public SortOrder AmountSortDirection
{
get => _amountSortDirection;
set => this.RaiseAndSetIfChanged(ref _amountSortDirection, value);
}
public SortOrder PrivacySortDirection
{
get => _privacySortDirection;
set => this.RaiseAndSetIfChanged(ref _privacySortDirection, value);
}
public SortOrder ClustersSortDirection
{
get => _clustersSortDirection;
set => this.RaiseAndSetIfChanged(ref _clustersSortDirection, value);
}
private void RefreshOrdering()
{
if (AmountSortDirection != SortOrder.None)
{
if (AmountSortDirection == SortOrder.Increasing)
{
MyComparer = SortExpressionComparer<CoinViewModel>.Ascending(cvm => cvm.Amount);
}
else
{
MyComparer = SortExpressionComparer<CoinViewModel>.Descending(cvm => cvm.Amount);
}
}
else if (PrivacySortDirection != SortOrder.None)
{
if (PrivacySortDirection == SortOrder.Increasing)
{
MyComparer = SortExpressionComparer<CoinViewModel>.Ascending(cvm => cvm.AnonymitySet);
}
else
{
MyComparer = SortExpressionComparer<CoinViewModel>.Descending(cvm => cvm.AnonymitySet);
}
}
else if (ClustersSortDirection != SortOrder.None)
{
if (ClustersSortDirection == SortOrder.Increasing)
{
MyComparer = SortExpressionComparer<CoinViewModel>.Ascending(cvm => cvm.Clusters);
}
else
{
MyComparer = SortExpressionComparer<CoinViewModel>.Descending(cvm => cvm.Clusters);
}
}
else if (StatusSortDirection != SortOrder.None)
{
if (StatusSortDirection == SortOrder.Increasing)
{
MyComparer = SortExpressionComparer<CoinViewModel>.Ascending(cvm => cvm.Status);
}
else
{
MyComparer = SortExpressionComparer<CoinViewModel>.Descending(cvm => cvm.Status);
}
}
}
public bool? SelectNonPrivateCheckBoxState
{
get => _selectNonPrivateCheckBoxState;
set => this.RaiseAndSetIfChanged(ref _selectNonPrivateCheckBoxState, value);
}
public GridLength CoinJoinStatusWidth
{
get => _coinJoinStatusWidth;
set => this.RaiseAndSetIfChanged(ref _coinJoinStatusWidth, value);
}
private bool? GetCheckBoxesSelectedState(Func<CoinViewModel, bool> coinFilterPredicate)
{
var coins = Coins.Where(coinFilterPredicate).ToArray();
bool IsAllSelected = true;
foreach (CoinViewModel coin in coins)
{
if (!coin.IsSelected)
{
IsAllSelected = false;
break;
}
}
bool IsAllDeselected = true;
foreach (CoinViewModel coin in coins)
{
if (coin.IsSelected)
{
IsAllDeselected = false;
break;
}
}
if (IsAllDeselected)
{
return false;
}
if (IsAllSelected)
{
return true;
}
return null;
}
private void SelectAllCoins(bool valueOfSelected, Func<CoinViewModel, bool> coinFilterPredicate)
{
var coins = Coins.Where(coinFilterPredicate).ToArray();
foreach (var c in coins)
{
c.IsSelected = valueOfSelected;
}
}
public CoinListViewModel()
{
RemovedCoinViewModels = new List<CoinViewModel>();
AmountSortDirection = SortOrder.Decreasing;
RefreshOrdering();
var sortChanged = this.WhenValueChanged(@this => MyComparer).Select(_ => MyComparer);
RootList = new SourceList<CoinViewModel>();
RootList.Connect()
.OnItemRemoved(x => x.UnsubscribeEvents())
.Sort(MyComparer, comparerChanged: sortChanged, resetThreshold: 5)
.Bind(out _coinViewModels)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe();
SortCommand = ReactiveCommand.Create(() => RefreshOrdering());
this.WhenAnyValue(x => x.AmountSortDirection).Subscribe(x =>
{
if (x != SortOrder.None)
{
PrivacySortDirection = SortOrder.None;
StatusSortDirection = SortOrder.None;
ClustersSortDirection = SortOrder.None;
}
});
this.WhenAnyValue(x => x.ClustersSortDirection).Subscribe(x =>
{
if (x != SortOrder.None)
{
AmountSortDirection = SortOrder.None;
StatusSortDirection = SortOrder.None;
PrivacySortDirection = SortOrder.None;
}
});
this.WhenAnyValue(x => x.StatusSortDirection).Subscribe(x =>
{
if (x != SortOrder.None)
{
AmountSortDirection = SortOrder.None;
PrivacySortDirection = SortOrder.None;
ClustersSortDirection = SortOrder.None;
}
});
this.WhenAnyValue(x => x.PrivacySortDirection).Subscribe(x =>
{
if (x != SortOrder.None)
{
AmountSortDirection = SortOrder.None;
StatusSortDirection = SortOrder.None;
ClustersSortDirection = SortOrder.None;
}
});
EnqueueCoin = ReactiveCommand.Create(() =>
{
if (SelectedCoin is null)
{
return;
}
//await Global.ChaumianClient.QueueCoinsToMixAsync()
});
DequeueCoin = ReactiveCommand.Create(() =>
{
if (SelectedCoin is null)
{
return;
}
DequeueCoinsPressed?.Invoke(this, EventArgs.Empty);
}, this.WhenAnyValue(x => x.CanDeqeue));
SelectAllCheckBoxCommand = ReactiveCommand.Create(() =>
{
//Global.WalletService.Coins.First(c => c.Unspent).Unspent = false;
switch (SelectAllCheckBoxState)
{
case true:
SelectAllCoins(true, x => true);
break;
case false:
SelectAllCoins(false, x => true);
break;
case null:
SelectAllCoins(false, x => true);
SelectAllCheckBoxState = false;
break;
}
});
SelectPrivateCheckBoxCommand = ReactiveCommand.Create(() =>
{
switch (SelectPrivateCheckBoxState)
{
case true:
SelectAllCoins(true, x => x.AnonymitySet >= Global.Config.PrivacyLevelStrong);
break;
case false:
SelectAllCoins(false, x => x.AnonymitySet >= Global.Config.PrivacyLevelStrong);
break;
case null:
SelectAllCoins(false, x => x.AnonymitySet >= Global.Config.PrivacyLevelStrong);
SelectPrivateCheckBoxState = false;
break;
}
});
SelectNonPrivateCheckBoxCommand = ReactiveCommand.Create(() =>
{
switch (SelectNonPrivateCheckBoxState)
{
case true:
SelectAllCoins(true, x => x.AnonymitySet < Global.Config.PrivacyLevelStrong);
break;
case false:
SelectAllCoins(false, x => x.AnonymitySet < Global.Config.PrivacyLevelStrong);
break;
case null:
SelectAllCoins(false, x => x.AnonymitySet < Global.Config.PrivacyLevelStrong);
SelectNonPrivateCheckBoxState = false;
break;
}
});
}
public void OnOpen()
{
Disposables = new CompositeDisposable();
foreach (var sc in Global.WalletService.Coins.Where(sc => sc.Unspent))
{
var newCoinVm = new CoinViewModel(this, sc);
newCoinVm.SubscribeEvents();
RootList.Add(newCoinVm);
}
Observable.FromEventPattern<NotifyCollectionChangedEventArgs>(Global.WalletService.Coins, nameof(Global.WalletService.Coins.CollectionChanged))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x =>
{
var e = x.EventArgs;
try
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (SmartCoin c in e.NewItems.Cast<SmartCoin>().Where(sc => sc.Unspent && !sc.IsDust))
{
var newCoinVm = new CoinViewModel(this, c);
newCoinVm.SubscribeEvents();
RootList.Add(newCoinVm);
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (var c in e.OldItems.Cast<SmartCoin>())
{
CoinViewModel toRemove = RootList.Items.FirstOrDefault(cvm => cvm.Model == c);
if (toRemove != default)
{
RootList.Remove(toRemove);
}
}
break;
case NotifyCollectionChangedAction.Reset:
ClearRootList();
break;
}
}
catch (Exception ex)
{
Logging.Logger.LogDebug<Dispatcher>(ex);
}
}).DisposeWith(Disposables);
SetSelections();
SetCoinJoinStatusWidth();
}
private void ClearRootList() => RootList.Clear();
public void OnClose()
{
ClearRootList();
Disposables?.Dispose();
}
private void SetSelections()
{
SelectAllCheckBoxState = GetCheckBoxesSelectedState(x => true);
SelectPrivateCheckBoxState = GetCheckBoxesSelectedState(x => x.AnonymitySet >= Global.Config.PrivacyLevelStrong);
SelectNonPrivateCheckBoxState = GetCheckBoxesSelectedState(x => x.AnonymitySet < Global.Config.PrivacyLevelStrong);
}
private void SetCoinJoinStatusWidth()
{
if (Coins.Any(x => x.Status == SmartCoinStatus.MixingConnectionConfirmation
|| x.Status == SmartCoinStatus.MixingInputRegistration
|| x.Status == SmartCoinStatus.MixingOnWaitingList
|| x.Status == SmartCoinStatus.MixingOutputRegistration
|| x.Status == SmartCoinStatus.MixingSigning
|| x.Status == SmartCoinStatus.MixingWaitingForConfirmation
|| x.Status == SmartCoinStatus.SpentAccordingToBackend))
{
CoinJoinStatusWidth = new GridLength(180);
}
else
{
CoinJoinStatusWidth = new GridLength(0);
}
}
public void OnCoinIsSelectedChanged(CoinViewModel cvm)
{
SetSelections();
SelectionChanged?.Invoke(this, cvm);
}
public void OnCoinStatusChanged()
{
SetCoinJoinStatusWidth();
}
public void OnCoinUnspentChanged(CoinViewModel cvm)
{
if (!cvm.Unspent)
{
Dispatcher.UIThread.Post(() =>
{
RootList.Remove(cvm);
});
}
SetSelections();
SetCoinJoinStatusWidth();
}
}
}