|
/*
|
|
* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation.
|
|
*
|
|
* 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 Lesser General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "entityinstancefactory.h"
|
|
#include "entity.h"
|
|
#include "entityhelper.h"
|
|
#include <QMetaType>
|
|
#include <QDebug>
|
|
using namespace CuteEntityManager;
|
|
|
|
QHash<QByteArray, EntityInstanceFactory::Constructor>
|
|
EntityInstanceFactory::instance =
|
|
QHash<QByteArray, EntityInstanceFactory::Constructor>();
|
|
|
|
EntityInstanceFactory::EntityInstanceFactory() {
|
|
}
|
|
|
|
Entity *EntityInstanceFactory::createInstance(const char *className) {
|
|
QString s = QString(className);
|
|
if (!s.contains("*")) {
|
|
s.append("*");
|
|
}
|
|
auto ptr = EntityInstanceFactory::createInstance(QMetaType::type(
|
|
s.toUtf8().constData()));
|
|
if (!ptr) {
|
|
s.remove("*");
|
|
ptr = EntityInstanceFactory::createObject(s.toUtf8());
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
Entity *EntityInstanceFactory::createInstance(const QString &className) {
|
|
return EntityInstanceFactory::createInstance(className.toUtf8().constData());
|
|
}
|
|
|
|
Entity *EntityInstanceFactory::createInstance(int metaTypeId) {
|
|
Entity *e = nullptr;
|
|
if (metaTypeId != QMetaType::UnknownType) {
|
|
auto metaObject = QMetaType::metaObjectForType(metaTypeId);
|
|
if (metaObject) {
|
|
e = qobject_cast<Entity *>(EntityInstanceFactory::createObject(metaObject->className()));
|
|
if(!e) {
|
|
e = qobject_cast<Entity *>(metaObject->newInstance());
|
|
qDebug() << "Backup method for dynamic object creation was called. Maybe the class " +
|
|
QString(metaObject->className()) + " isn't registered?";
|
|
}
|
|
} else {
|
|
void *newObj = QMetaType::create(metaTypeId);
|
|
if (newObj) {
|
|
e = static_cast<Entity *>(newObj);
|
|
}
|
|
}
|
|
}
|
|
return e;
|
|
}
|
|
|
|
Entity *EntityInstanceFactory::createInstance(const char *className,
|
|
const QHash<QString, QVariant> &attributes) {
|
|
Entity *e = EntityInstanceFactory::createInstance(className);
|
|
EntityInstanceFactory::setAttributes(e, attributes);
|
|
return e;
|
|
}
|
|
|
|
void EntityInstanceFactory::setAttributes(Entity *&e,
|
|
const QHash<QString, QVariant> &attributes,
|
|
QHash<QString, QMetaProperty> metaprops) {
|
|
if (e) {
|
|
auto iterator = attributes.constBegin();
|
|
while (iterator != attributes.constEnd()) {
|
|
if (metaprops.contains(iterator.key())) {
|
|
QMetaProperty prop = metaprops.value(iterator.key());
|
|
if (prop.isWritable()) {
|
|
if (prop.isEnumType()) {
|
|
prop.write(e, prop.enumerator().valueToKey(iterator.value().toInt()));
|
|
} else {
|
|
prop.write(e, iterator.value());
|
|
}
|
|
} else {
|
|
qWarning() << prop.name() << "on Entity" << EntityHelper::getClassname(
|
|
e) << "not writeable!";
|
|
}
|
|
} else {
|
|
e->setProperty(iterator.key().toLatin1().data(), iterator.value());
|
|
}
|
|
++iterator;
|
|
}
|
|
}
|
|
}
|
|
|
|
void EntityInstanceFactory::setAttributes(Entity *&e,
|
|
const QHash<QString, QVariant> &attributes) {
|
|
if (!attributes.isEmpty()) {
|
|
auto metaprops = EntityHelper::getMetaProperties(e);
|
|
EntityInstanceFactory::setAttributes(e, attributes, metaprops);
|
|
}
|
|
}
|
|
|
|
const QString EntityInstanceFactory::extractEntityType(const QString &s) {
|
|
QString r = "";
|
|
const QString sptr = "QSharedPointer";
|
|
if (s.contains(sptr)) {
|
|
const int index = s.indexOf(sptr) + sptr.count() + 1;
|
|
r = s.mid(index, s.indexOf(">", index) - index);
|
|
} else {
|
|
r = s;
|
|
}
|
|
return r;
|
|
}
|
|
|
|
Entity *EntityInstanceFactory::newSuperClassInstance(const Entity *e) {
|
|
Entity *super = nullptr;
|
|
if (e) {
|
|
auto metaObject = e->metaObject()->superClass();
|
|
if (QString(metaObject->className()) != QString("CuteEntityManager::Entity")) {
|
|
super = EntityInstanceFactory::createInstance(metaObject->className());
|
|
}
|
|
}
|
|
return super;
|
|
}
|
|
|
|
Entity *EntityInstanceFactory::createInstance(const QMetaObject *object) {
|
|
auto o = object->newInstance();
|
|
if(o) {
|
|
return qobject_cast<Entity *>(o);
|
|
}
|
|
return EntityInstanceFactory::createInstance(object->className());
|
|
}
|
|
|
|
QList<QSharedPointer<Entity>> EntityInstanceFactory::castQVariantList(
|
|
QVariant &list) {
|
|
return *reinterpret_cast<QList<QSharedPointer<Entity>>*>(list.data());
|
|
}
|
|
|
|
QSharedPointer<Entity> EntityInstanceFactory::castQVariant(
|
|
QVariant &entity) {
|
|
auto e = entity.value<QSharedPointer<Entity>>();
|
|
if(!e) {
|
|
auto ne = *static_cast<QSharedPointer<QObject>*>(entity.data());
|
|
auto entityPtr = ne.objectCast<Entity>();
|
|
if(entityPtr) {
|
|
e = entityPtr;
|
|
}
|
|
}
|
|
return e;
|
|
}
|
|
|
|
QStringList EntityInstanceFactory::getRegisteredClasses() {
|
|
QStringList registered = QStringList();
|
|
for (auto i = EntityInstanceFactory::instance.constBegin();
|
|
i != EntityInstanceFactory::instance.constEnd(); ++i) {
|
|
registered.append(i.key());
|
|
}
|
|
return registered;
|
|
}
|
|
|
|
Entity *EntityInstanceFactory::createInstance(Attribute *&attr) {
|
|
return EntityInstanceFactory::createInstance(
|
|
EntityInstanceFactory::extractEntityType(
|
|
attr->getMetaProperty().typeName()));
|
|
}
|