C++ (Cpp) QQmlListReference::append Examples

Example #1

File: objectnodeinstance.cpp Project: qtproject/qt-creator

void ObjectNodeInstance::addToNewProperty(QObject *object, QObject *newParent, const PropertyName &newParentProperty)
{
    QQmlProperty property(newParent, QString::fromUtf8(newParentProperty), context());

    if (object)
        object->setParent(newParent);

    if (isList(property)) {
        QQmlListReference list = qvariant_cast<QQmlListReference>(property.read());

        if (!QmlPrivateGate::hasFullImplementedListInterface(list)) {
            qWarning() << "Property list interface not fully implemented for Class " << property.property().typeName() << " in property " << property.name() << "!";
            return;
        }

        list.append(object);
    } else if (isObject(property)) {
        property.write(objectToVariant(object));

        if (QQuickItem *item = qobject_cast<QQuickItem *>(object))
            if (QQuickItem *newParentItem = qobject_cast<QQuickItem *>(newParent))
                item->setParentItem(newParentItem);
    }

    Q_ASSERT(objectToVariant(object).isValid());
}

Example #2

File: tst_qqmllistreference.cpp Project: ghjinlei/qt5

void tst_qqmllistreference::qmllistreference_invalid()
{
    TestType tt;

    // Invalid
    {
    QQmlListReference r;
    QVERIFY(r.isValid() == false);
    QVERIFY(r.object() == 0);
    QVERIFY(r.listElementType() == 0);
    QVERIFY(r.canAt() == false);
    QVERIFY(r.canClear() == false);
    QVERIFY(r.canCount() == false);
    QVERIFY(r.append(0) == false);
    QVERIFY(r.at(10) == 0);
    QVERIFY(r.clear() == false);
    QVERIFY(r.count() == 0);
    QVERIFY(r.isReadable() == false);
    QVERIFY(r.isManipulable() == false);
    }

    // Non-property
    {
    QQmlListReference r(&tt, "blah");
    QVERIFY(r.isValid() == false);
    QVERIFY(r.object() == 0);
    QVERIFY(r.listElementType() == 0);
    QVERIFY(r.canAt() == false);
    QVERIFY(r.canClear() == false);
    QVERIFY(r.canCount() == false);
    QVERIFY(r.append(0) == false);
    QVERIFY(r.at(10) == 0);
    QVERIFY(r.clear() == false);
    QVERIFY(r.count() == 0);
    QVERIFY(r.isReadable() == false);
    QVERIFY(r.isManipulable() == false);
    }

    // Non-list property
    {
    QQmlListReference r(&tt, "intProperty");
    QVERIFY(r.isValid() == false);
    QVERIFY(r.object() == 0);
    QVERIFY(r.listElementType() == 0);
    QVERIFY(r.canAt() == false);
    QVERIFY(r.canClear() == false);
    QVERIFY(r.canCount() == false);
    QVERIFY(r.append(0) == false);
    QVERIFY(r.at(10) == 0);
    QVERIFY(r.clear() == false);
    QVERIFY(r.count() == 0);
    QVERIFY(r.isReadable() == false);
    QVERIFY(r.isManipulable() == false);
    }
}

Example #3

File: tst_qqmllistreference.cpp Project: ghjinlei/qt5

void tst_qqmllistreference::append()
{
    TestType *tt = new TestType;
    QObject object;

    {
    QQmlListReference ref;
    QVERIFY(ref.append(tt) == false);
    }

    {
    QQmlListReference ref(tt, "blah");
    QVERIFY(ref.append(tt) == false);
    }

    {
    QQmlListReference ref(tt, "data");
    QVERIFY(ref.append(tt) == true);
    QVERIFY(tt->data.count() == 1);
    QVERIFY(tt->data.at(0) == tt);
    QVERIFY(ref.append(&object) == false);
    QVERIFY(tt->data.count() == 1);
    QVERIFY(tt->data.at(0) == tt);
    QVERIFY(ref.append(0) == true);
    QVERIFY(tt->data.count() == 2);
    QVERIFY(tt->data.at(0) == tt);
    QVERIFY(tt->data.at(1) == 0);
    delete tt;
    QVERIFY(ref.append(0) == false);
    }

    {
    TestType tt;
    tt.property.append = 0;
    QQmlListReference ref(&tt, "data");
    QVERIFY(ref.append(&tt) == false);
    }
}

Example #4

File: tst_qqmllistreference.cpp Project: 2gis/2gisqt5android

void tst_qqmllistreference::append()
{
    TestType *tt = new TestType;
    QObject object;

    {
    QQmlListReference ref;
    QVERIFY(!ref.append(tt));
    }

    {
    QQmlListReference ref(tt, "blah");
    QVERIFY(!ref.append(tt));
    }

    {
    QQmlListReference ref(tt, "data");
    QVERIFY(ref.append(tt));
    QCOMPARE(tt->data.count(), 1);
    QCOMPARE(tt->data.at(0), tt);
    QVERIFY(!ref.append(&object));
    QCOMPARE(tt->data.count(), 1);
    QCOMPARE(tt->data.at(0), tt);
    QVERIFY(ref.append(0));
    QCOMPARE(tt->data.count(), 2);
    QCOMPARE(tt->data.at(0), tt);
    QVERIFY(!tt->data.at(1));
    delete tt;
    QVERIFY(!ref.append(0));
    }

    {
    TestType tt;
    tt.property.append = 0;
    QQmlListReference ref(&tt, "data");
    QVERIFY(!ref.append(&tt));
    }
}