/*
 * Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
 *
 * 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 <https://www.gnu.org/licenses/>.
 */
#include "customfilesystemmodel.h"

CustomFileSystemModel::CustomFileSystemModel(QObject *parent) : QFileSystemModel(parent)
{
    connect(this, &QFileSystemModel::fileRenamed,
            this, &CustomFileSystemModel::delaySort);
    connect(this, &CustomFileSystemModel::rowsInserted,
            this, &CustomFileSystemModel::delaySort);
    connect(&mDelayedSortTimer, &QTimer::timeout,
            this, &CustomFileSystemModel::performDelayedSort, Qt::QueuedConnection);
    mDelayedSortTimer.setSingleShot(true);
}

void CustomFileSystemModel::delaySort()
{
    if (!mDelayedSortTimer.isActive())
        mDelayedSortTimer.start(0);
}

void CustomFileSystemModel::performDelayedSort()
{
    sort(1);
    sort(0);
}