Files
Aaru/Aaru.Tui/ViewModels/Dialogs/GoToSectorDialogViewModel.cs

89 lines
2.7 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Text User Interface.
//
// --[ License ] --------------------------------------------------------------
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2025 Natalia Portillo
// ****************************************************************************/
using System.Windows.Input;
using Avalonia.Controls;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
namespace Aaru.Tui.ViewModels.Dialogs;
public sealed partial class GoToSectorDialogViewModel : ViewModelBase
{
readonly ulong _maxSector;
internal Window _dialog = null!;
[ObservableProperty]
string _errorMessage = string.Empty;
[ObservableProperty]
bool _hasError;
[ObservableProperty]
string _sectorNumber = string.Empty;
public GoToSectorDialogViewModel(Window dialog, ulong maxSector)
{
_dialog = dialog;
_maxSector = maxSector;
OkCommand = new RelayCommand(Ok);
CancelCommand = new RelayCommand(Cancel);
}
public ulong? Result { get; private set; }
public ICommand OkCommand { get; }
public ICommand CancelCommand { get; }
void Ok()
{
if(!ulong.TryParse((string?)SectorNumber, out ulong sector))
{
ErrorMessage = "Please enter a valid number.";
HasError = true;
return;
}
if(sector > _maxSector)
{
ErrorMessage = $"Sector number must be less than or equal to {_maxSector}.";
HasError = true;
return;
}
Result = sector;
_dialog.Close(true);
}
void Cancel()
{
Result = null;
_dialog.Close(false);
}
}