49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
|
// 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);
|
||
|
|
|
||
|
|
const QMimeDatabase db;
|
||
|
|
const QMimeType mime = db.mimeTypeForFile(QFileInfo(file));
|
||
|
|
|
||
|
|
if (file.size() >= 2'000'000)
|
||
|
|
return tr("File size is too big.\nYou can read files up to %1 MB.").arg(2);
|
||
|
|
|
||
|
|
// 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!");
|
||
|
|
}
|