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/*
* Copyright (C) 2017-2018 Olzhas Rakhimov
*
* 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 <http://www.gnu.org/licenses/>.
*/
/// @file
#include "preferencesdialog.h"
#include "ui_preferencesdialog.h"
#include <string>
#include <vector>
#include <QMessageBox>
#include <QSortFilterProxyModel>
#include <QStringListModel>
#include <boost/range/algorithm.hpp>
#include "guiassert.h"
#include "language.h"
#include "overload.h"
namespace scram::gui {
PreferencesDialog::PreferencesDialog(QSettings *preferences,
QUndoStack *undoStack,
QTimer *autoSaveTimer, QWidget *parent)
: QDialog(parent), ui(new Ui::PreferencesDialog), m_preferences(preferences)
{
ui->setupUi(this);
setupLanguage();
setupUndoStack(undoStack);
setupAutoSave(autoSaveTimer);
}
PreferencesDialog::~PreferencesDialog() = default;
void PreferencesDialog::setupLanguage()
{
// The available locales excluding the default English.
static const std::vector<std::string> locales = gui::translations();
// Native language representations including default English as the last.
static const QStringList nativeLanguages = [] {
QStringList result;
result.reserve(locales.size());
for (const std::string &locale : locales)
result.push_back(gui::nativeLanguageName(locale));
result.push_back(QStringLiteral("English"));
return result;
}();
auto *listModel = new QStringListModel(nativeLanguages, this);
auto *proxyModel = new QSortFilterProxyModel(this);
proxyModel->setSourceModel(listModel);
proxyModel->sort(0);
ui->languageBox->setModel(proxyModel);
int currentIndex = [this]() -> int {
QString language =
m_preferences->value(QStringLiteral("language")).toString();
if (language == QStringLiteral("en")) // Assume the common case is
return locales.size(); // the default language.
auto it = boost::find(locales, language.toStdString());
return std::distance(locales.begin(), it); // The default if it == end.
}();
ui->languageBox->setCurrentIndex(
proxyModel->mapFromSource(listModel->index(currentIndex, 0)).row());
connect(
ui->languageBox, OVERLOAD(QComboBox, currentIndexChanged, int), this,
[this, proxyModel](int proxyIndex) {
QMessageBox::information(
this, tr("Restart Required"),
tr("The language change will take effect after an "
"application restart."));
int index =
proxyModel->mapToSource(proxyModel->index(proxyIndex, 0)).row();
QString locale = index == locales.size()
? QStringLiteral("en")
: QString::fromStdString(locales[index]);
m_preferences->setValue(QStringLiteral("language"), locale);
});
}
void PreferencesDialog::setupUndoStack(QUndoStack *undoStack)
{
if (undoStack->undoLimit()) {
ui->checkUndoLimit->setChecked(true);
ui->undoLimitBox->setValue(undoStack->undoLimit());
}
auto setUndoLimit = [this, undoStack](int undoLimit) {
undoStack->setUndoLimit(undoLimit);
m_preferences->setValue(QStringLiteral("undoLimit"), undoLimit);
};
connect(ui->undoLimitBox, OVERLOAD(QSpinBox, valueChanged, int), undoStack,
setUndoLimit);
connect(ui->checkUndoLimit, &QCheckBox::toggled, undoStack,
[this, setUndoLimit](bool checked) {
setUndoLimit(checked ? ui->undoLimitBox->value() : 0);
});
}
void PreferencesDialog::setupAutoSave(QTimer *autoSaveTimer)
{
if (autoSaveTimer->isActive()) {
ui->checkAutoSave->setChecked(true);
ui->autoSaveBox->setValue(autoSaveTimer->interval() / 60000);
}
auto setAutoSave = [this, autoSaveTimer](int intervalMin) {
int intervalMs = intervalMin * 60000;
m_preferences->setValue(QStringLiteral("autoSave"), intervalMs);
if (intervalMin)
autoSaveTimer->start(intervalMs);
else
autoSaveTimer->stop();
};
connect(ui->autoSaveBox, OVERLOAD(QSpinBox, valueChanged, int),
autoSaveTimer, setAutoSave);
connect(ui->checkAutoSave, &QCheckBox::toggled, autoSaveTimer,
[this, setAutoSave](bool checked) {
setAutoSave(checked ? ui->autoSaveBox->value() : 0);
});
}
} // namespace scram::gui
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