74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
/**************************************************************************
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**
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** This file is part of Nut project.
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** https://github.com/HamedMasafi/Nut
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**
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** Nut is free software: you can redistribute it and/or modify
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** it under the terms of the GNU Lesser General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Nut is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU Lesser General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public License
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** along with Nut. If not, see <http://www.gnu.org/licenses/>.
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**
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**************************************************************************/
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#include "propertysignalmapper.h"
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#include "table.h"
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NUT_BEGIN_NAMESPACE
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QMap<QString, PropertySignalMapper::ClassData*> PropertySignalMapper::_data;
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void PropertySignalMapper::map(Table *obj)
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{
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if (obj->_is_signals_mapped)
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return;
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ClassData *d;
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const QMetaObject *mo = obj->metaObject();
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auto className = QString::fromUtf8(mo->className());
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if (_data.contains(className)) {
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d = _data.value(className);
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for (auto &p: d->properties)
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QObject::connect(obj, p.notifySignal(), obj, d->propertyChanged);
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} else {
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d = new ClassData;
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d->propertyChanged = mo->method(mo->indexOfSlot("propertyChanged()"));
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for (int i = 0; i < mo->propertyCount(); ++i) {
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QMetaProperty p = mo->property(i);
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if (!strcmp(p.name(), "objectName"))
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continue;
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if (p.hasNotifySignal()) {
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d->signalMaps.insert(QLatin1String(p.notifySignal().name()),
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QLatin1String(p.name()));
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d->properties.append(p);
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QObject::connect(obj, p.notifySignal(), obj, d->propertyChanged);
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}
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}
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_data.insert(className, d);
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}
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obj->_is_signals_mapped = true;
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}
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QString PropertySignalMapper::changedProperty(QObject *obj, int senderSignalIndex)
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{
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return _data.value(QString::fromUtf8(obj->metaObject()->className()))
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->signalMaps.value(
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QString::fromUtf8(obj->metaObject()->method(senderSignalIndex).name())
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);
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}
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NUT_END_NAMESPACE
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