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flightgear/src/GUI/DialogStateController.cxx

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// Copyright (C) 2020 James Turner <james@flightgear.org>
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#include "config.h"
#include "DialogStateController.hxx"
#include <QDebug>
void DialogStateController::add(QString key, QJSValue cb)
{
bool wasEmpty = m_changes.isEmpty();
if (!cb.isCallable()) {
qWarning() << "tried to insert non-callable into state key:" << key;
return;
}
m_changes.insert(key, cb);
if (wasEmpty) {
emit canApplyChanged(true);
}
}
void DialogStateController::apply()
{
auto it = m_changes.begin();
for (; it != m_changes.end(); ++it) {
QJSValueList args;
args.append(QJSValue(it.key()));
it.value().call(args);
}
}
void DialogStateController::cancel()
{
m_changes.clear();
emit canApplyChanged(false);
}
void DialogStateController::restoreDefaults()
{
}
void DialogStateController::setCanRestoreDefaults(bool canRestoreDefaults)
{
if (m_canRestoreDefaults == canRestoreDefaults)
return;
m_canRestoreDefaults = canRestoreDefaults;
emit canRestoreDefaultsChanged(m_canRestoreDefaults);
}