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/***************************************************************************************************
Copyright (C) 2025 The Qt Company Ltd.
SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
***************************************************************************************************/
using System.ComponentModel;
using Qt.DotNet;
using Qt.DotNet.Utils;
using Qt.Quick;
namespace PrimesApp
{
public class Primes : ListModel<Prime>, INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
private List<Prime> Items { get; } = new();
public int Count
{
get => Items.Count;
set
{
if (value == Items.Count)
return;
Items.Clear();
Items.AddRange(Enumerable.Range(0, value)
.Select(i => new Prime() { N = i + 1 }));
PropertyChanged?.Invoke(this, new(nameof(Count)));
}
}
public override int ItemCount() => Count;
public override Prime Data(int idx)
{
if (idx < 0 || idx >= Count)
return null;
return Items[idx];
}
}
}
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