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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "filesystemmodel.h"
#include <QMimeDatabase>
#include <QStandardPaths>
FileSystemModel::FileSystemModel(QObject *parent) : QFileSystemModel(parent)
{
setRootPath(QStandardPaths::writableLocation(QStandardPaths::HomeLocation));
}
int FileSystemModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return 1;
}
QString FileSystemModel::readFile(const QString &filePath)
{
// Don't issue errors for an empty path, as the initial binding
// will result in an empty path, and that's OK.
if (filePath.isEmpty())
return {};
QFile file(filePath);
if (file.size() >= 2'000'000)
return tr("File size is too big.\nYou can read files up to %1 MB.").arg(2);
static const QMimeDatabase db;
const QMimeType mime = db.mimeTypeForFile(QFileInfo(file));
// Check if the mimetype is supported and return the content.
const auto mimeTypesForFile = mime.parentMimeTypes();
for (const auto &m : mimeTypesForFile) {
if (m.contains("text", Qt::CaseInsensitive)
|| mime.comment().contains("text", Qt::CaseInsensitive)) {
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
return tr("Error opening the File!");
QTextStream stream(&file);
return stream.readAll();
}
}
return tr("Filetype not supported!");
}
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