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| #include <QCoreApplication> |
| #include <QQmlEngine> |
| #include <QQmlComponent> |
| #include <QDebug> |
| #include "birthdayparty.h" |
| #include "person.h" |
| |
| int main(int argc, char ** argv) |
| { |
| QCoreApplication app(argc, argv); |
| |
| QQmlEngine engine; |
| QQmlComponent component(&engine, QUrl("qrc:example.qml")); |
| auto *party = qobject_cast<BirthdayParty *>(component.create()); |
| |
| if (party && party->host()) { |
| qWarning() << party->host()->name() << "is having a birthday!"; |
| |
| if (qobject_cast<Boy *>(party->host())) |
| qWarning() << "He is inviting:"; |
| else |
| qWarning() << "She is inviting:"; |
| |
| for (int ii = 0; ii < party->guestCount(); ++ii) { |
| Person *guest = party->guest(ii); |
| |
| QDate rsvpDate; |
| QObject *attached = |
| qmlAttachedPropertiesObject<BirthdayParty>(guest, false); |
| if (attached) |
| rsvpDate = attached->property("rsvp").toDate(); |
| |
| if (rsvpDate.isNull()) |
| qWarning() << " " << guest->name() << "RSVP date: Hasn't RSVP'd"; |
| else |
| qWarning() << " " << guest->name() << "RSVP date:" << qPrintable(rsvpDate.toString()); |
| } |
| |
| party->startParty(); |
| return EXIT_SUCCESS; |
| } |
| |
| qWarning() << component.errors(); |
| return EXIT_FAILURE; |
| } |