examples/declarative/qtquick1/cppextensions/referenceexamples/attached/main.cpp

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  40 #include <QCoreApplication>
  41 #include <QDeclarativeEngine>
  42 #include <QDeclarativeComponent>
  43 #include <QDebug>
  44 #include "birthdayparty.h"
  45 #include "person.h"
  46
  47 int main(int argc, char ** argv)
  48 {
  49     QCoreApplication app(argc, argv);
  50
  51     qmlRegisterType<BirthdayPartyAttached>();
  52     qmlRegisterType<BirthdayParty>("People", 1,0, "BirthdayParty");
  53     qmlRegisterType<ShoeDescription>();
  54     qmlRegisterType<Person>();
  55     qmlRegisterType<Boy>("People", 1,0, "Boy");
  56     qmlRegisterType<Girl>("People", 1,0, "Girl");
  57
  58     QDeclarativeEngine engine;
  59     QDeclarativeComponent component(&engine, QUrl("qrc:example.qml"));
  60     BirthdayParty *party = qobject_cast<BirthdayParty *>(component.create());
  61
  62     if (party && party->host()) {
  63         qWarning() << party->host()->name() << "is having a birthday!";
  64
  65         if (qobject_cast<Boy *>(party->host()))
  66             qWarning() << "He is inviting:";
  67         else
  68             qWarning() << "She is inviting:";
  69
  70         for (int ii = 0; ii < party->guestCount(); ++ii) {
  71             Person *guest = party->guest(ii);
  72
  73             QDate rsvpDate;
  74             QObject *attached =
  75                 qmlAttachedPropertiesObject<BirthdayParty>(guest, false);
  76             if (attached)
  77                 rsvpDate = attached->property("rsvp").toDate();
  78
  79             if (rsvpDate.isNull())
  80                 qWarning() << "   " << guest->name() << "RSVP date: Hasn't RSVP'd";
  81             else
  82                 qWarning() << "   " << guest->name() << "RSVP date:" << qPrintable(rsvpDate.toString());
  83         }
  84
  85     } else {
  86         qWarning() << component.errors();
  87     }
  88
  89     return 0;
  90 }