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// Copyright (C) 2018 Andre Hartmann <aha_1980@gmx.de>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "filepropertiesdialog.h"
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/editormanager/ieditorfactory.h>
#include <utils/fileutils.h>
#include <utils/layoutbuilder.h>
#include <utils/mimeutils.h>
#include <QCheckBox>
#include <QDateTime>
#include <QDebug>
#include <QDialogButtonBox>
#include <QDir>
#include <QFileInfo>
#include <QLabel>
#include <QLocale>
using namespace Utils;
namespace Core {
FilePropertiesDialog::FilePropertiesDialog(const FilePath &filePath, QWidget *parent)
: QDialog(parent)
, m_name(new QLabel)
, m_path(new QLabel)
, m_mimeType(new QLabel)
, m_defaultEditor(new QLabel)
, m_lineEndings(new QLabel)
, m_indentation(new QLabel)
, m_owner(new QLabel)
, m_group(new QLabel)
, m_size(new QLabel)
, m_lastRead(new QLabel)
, m_lastModified(new QLabel)
, m_readable(new QCheckBox)
, m_writable(new QCheckBox)
, m_executable(new QCheckBox)
, m_symLink(new QCheckBox)
, m_filePath(filePath)
{
resize(400, 395);
m_name->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_path->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_mimeType->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_defaultEditor->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_lineEndings->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_indentation->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_owner->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_group->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_size->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_lastRead->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_lastModified->setTextInteractionFlags(Qt::TextSelectableByMouse);
m_symLink->setEnabled(false);
auto buttonBox = new QDialogButtonBox;
buttonBox->setStandardButtons(QDialogButtonBox::Close);
using namespace Layouting;
// clang-format off
Column {
Form {
tr("Name:"), m_name, br,
tr("Path:"), m_path, br,
tr("MIME type:"), m_mimeType, br,
tr("Default editor:"), m_defaultEditor, br,
tr("Line endings:"), m_lineEndings, br,
tr("Indentation:"), m_indentation, br,
tr("Owner:"), m_owner, br,
tr("Group:"), m_group, br,
tr("Size:"), m_size, br,
tr("Last read:"), m_lastRead, br,
tr("Last modified:"), m_lastModified, br,
tr("Readable:"), m_readable, br,
tr("Writable:"), m_writable, br,
tr("Executable:"), m_executable, br,
tr("Symbolic link:"), m_symLink, br
},
buttonBox
}.attachTo(this);
// clang-format on
connect(m_readable, &QCheckBox::clicked, [this](bool checked) {
setPermission(QFile::ReadUser | QFile::ReadOwner, checked);
});
connect(m_writable, &QCheckBox::clicked, [this](bool checked) {
setPermission(QFile::WriteUser | QFile::WriteOwner, checked);
});
connect(m_executable, &QCheckBox::clicked, [this](bool checked) {
setPermission(QFile::ExeUser | QFile::ExeOwner, checked);
});
connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
refresh();
}
FilePropertiesDialog::~FilePropertiesDialog() = default;
void FilePropertiesDialog::detectTextFileSettings()
{
QFile file(m_filePath.toString());
if (!file.open(QIODevice::ReadOnly)) {
m_lineEndings->setText(tr("Unknown"));
m_indentation->setText(tr("Unknown"));
return;
}
char lineSeparator = '\n';
const QByteArray data = file.read(50000);
file.close();
// Try to guess the files line endings
if (data.contains("\r\n")) {
m_lineEndings->setText(tr("Windows (CRLF)"));
} else if (data.contains("\n")) {
m_lineEndings->setText(tr("Unix (LF)"));
} else if (data.contains("\r")) {
m_lineEndings->setText(tr("Mac (CR)"));
lineSeparator = '\r';
} else {
// That does not look like a text file at all
m_lineEndings->setText(tr("Unknown"));
return;
}
auto leadingSpaces = [](const QByteArray &line) {
for (int i = 0, max = line.size(); i < max; ++i) {
if (line.at(i) != ' ') {
return i;
}
}
return 0;
};
// Try to guess the files indentation style
bool tabIndented = false;
int lastLineIndent = 0;
std::map<int, int> indents;
const QList<QByteArray> list = data.split(lineSeparator);
for (const QByteArray &line : list) {
if (line.startsWith(' ')) {
int spaces = leadingSpaces(line);
int relativeCurrentLineIndent = qAbs(spaces - lastLineIndent);
// Ignore zero or one character indentation changes
if (relativeCurrentLineIndent < 2)
continue;
indents[relativeCurrentLineIndent]++;
lastLineIndent = spaces;
} else if (line.startsWith('\t')) {
tabIndented = true;
}
if (!indents.empty() && tabIndented)
break;
}
const std::map<int, int>::iterator max = std::max_element(
indents.begin(), indents.end(),
[](const std::pair<int, int> &a, const std::pair<int, int> &b) {
return a.second < b.second;
});
if (!indents.empty()) {
if (tabIndented) {
m_indentation->setText(tr("Mixed"));
} else {
m_indentation->setText(tr("%1 Spaces").arg(max->first));
}
} else if (tabIndented) {
m_indentation->setText(tr("Tabs"));
} else {
m_indentation->setText(tr("Unknown"));
}
}
void FilePropertiesDialog::refresh()
{
Utils::withNtfsPermissions<void>([this] {
const QFileInfo fileInfo = m_filePath.toFileInfo();
QLocale locale;
m_name->setText(fileInfo.fileName());
m_path->setText(QDir::toNativeSeparators(fileInfo.canonicalPath()));
const Utils::MimeType mimeType = Utils::mimeTypeForFile(m_filePath);
m_mimeType->setText(mimeType.name());
const EditorTypeList factories = IEditorFactory::preferredEditorTypes(m_filePath);
m_defaultEditor->setText(!factories.isEmpty() ? factories.at(0)->displayName()
: tr("Undefined"));
m_owner->setText(fileInfo.owner());
m_group->setText(fileInfo.group());
m_size->setText(locale.formattedDataSize(fileInfo.size()));
m_readable->setChecked(fileInfo.isReadable());
m_writable->setChecked(fileInfo.isWritable());
m_executable->setChecked(fileInfo.isExecutable());
m_symLink->setChecked(fileInfo.isSymLink());
m_lastRead->setText(fileInfo.lastRead().toString(locale.dateTimeFormat()));
m_lastModified->setText(fileInfo.lastModified().toString(locale.dateTimeFormat()));
if (mimeType.inherits("text/plain")) {
detectTextFileSettings();
} else {
m_lineEndings->setText(tr("Unknown"));
m_indentation->setText(tr("Unknown"));
}
});
}
void FilePropertiesDialog::setPermission(QFile::Permissions newPermissions, bool set)
{
Utils::withNtfsPermissions<void>([this, newPermissions, set] {
QFile::Permissions permissions = m_filePath.permissions();
if (set)
permissions |= newPermissions;
else
permissions &= ~newPermissions;
if (!m_filePath.setPermissions(permissions))
qWarning() << "Cannot change permissions for file" << m_filePath;
});
refresh();
}
} // Core
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