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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 <QStandardPaths>
#include <QMimeDatabase>
#include <QTextDocument>
#include <QTextObject>
FileSystemModel::FileSystemModel(QObject *parent) : QFileSystemModel(parent)
{
setFilter(QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot);
setInitialDirectory();
}
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!");
}
// This function gets called from Editor.qml
int FileSystemModel::currentLineNumber(QQuickTextDocument *textDocument, int cursorPosition)
{
if (QTextDocument *td = textDocument->textDocument()) {
QTextBlock tb = td->findBlock(cursorPosition);
return tb.blockNumber();
}
return -1;
}
int FileSystemModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent)
return 1;
}
QModelIndex FileSystemModel::rootIndex() const
{
return m_rootIndex;
}
void FileSystemModel::setRootIndex(const QModelIndex index)
{
if (index == m_rootIndex)
return;
m_rootIndex = index;
emit rootIndexChanged();
}
void FileSystemModel::setInitialDirectory(const QString &path)
{
QDir dir(path);
if (dir.makeAbsolute())
setRootPath(dir.path());
else
setRootPath(getDefaultRootDir());
setRootIndex(QFileSystemModel::index(dir.path(), 0));
}
QString FileSystemModel::getDefaultRootDir()
{
return QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
}
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