Add qml object to QGraphicsScene

[Wahsekim]

I try to add some QML object to my QGraphcisScene but they don't display in the scene. Here is the code.
@QList<QObject*> dataList;
dataList.append(new DataObject("Item 1", "red"));
dataList.append(new DataObject("Item 2", "green"));

QDeclarativeEngine engine ;
QDeclarativeContext *context = engine.rootContext();
context->setContextProperty("myModel", QVariant::fromValue(dataList));
QUrl url("qrc:view.qml") ;
QDeclarativeComponent component(&engine,url ) ;
QDeclarativeItem *item = qobject_cast <QDeclarativeItem *>(component.create());
item->setFlag(QGraphicsItem::ItemHasNoContents, false);
myScene->addItem(item);
@

And here is my qml file:
@ListView {
width: 100; height: 100

model: myModel
delegate: Rectangle {
height: 25
width: 100
color: model.modelData.color
Text { text: name }
}@