void QDeclarativeValueTypeScriptClass::setProperty(Object *obj, const Identifier &,
const QScriptValue &value)
{
QDeclarativeValueTypeObject *o = static_cast<QDeclarativeValueTypeObject *>(obj);
QVariant v = QDeclarativeEnginePrivate::get(engine)->scriptValueToVariant(value);
if (o->objectType == QDeclarativeValueTypeObject::Reference) {
QDeclarativeValueTypeReference *ref = static_cast<QDeclarativeValueTypeReference *>(obj);
ref->type->read(ref->object, ref->property);
QMetaProperty p = ref->type->metaObject()->property(m_lastIndex);
QDeclarativeBinding *newBinding = 0;
if (value.isFunction() && !value.isRegExp()) {
QDeclarativeContextData *ctxt = QDeclarativeEnginePrivate::get(engine)->getContext(context());
QDeclarativePropertyCache::Data cacheData;
cacheData.flags = QDeclarativePropertyCache::Data::IsWritable;
cacheData.propType = ref->object->metaObject()->property(ref->property).userType();
cacheData.coreIndex = ref->property;
QDeclarativePropertyCache::ValueTypeData valueTypeData;
valueTypeData.valueTypeCoreIdx = m_lastIndex;
valueTypeData.valueTypePropType = p.userType();
newBinding = new QDeclarativeBinding(value, ref->object, ctxt);
QScriptContextInfo ctxtInfo(context());
newBinding->setSourceLocation(ctxtInfo.fileName(), ctxtInfo.functionStartLineNumber());
QDeclarativeProperty prop = QDeclarativePropertyPrivate::restore(cacheData, valueTypeData, ref->object, ctxt);
newBinding->setTarget(prop);
if (newBinding->expression().contains(QLatin1String("this")))
newBinding->setEvaluateFlags(newBinding->evaluateFlags() | QDeclarativeBinding::RequiresThisObject);
}
QDeclarativeAbstractBinding *delBinding =
QDeclarativePropertyPrivate::setBinding(ref->object, ref->property, m_lastIndex, newBinding);
if (delBinding)
delBinding->destroy();
if (p.isEnumType() && (QMetaType::Type)v.type() == QMetaType::Double)
v = v.toInt();
p.write(ref->type, v);
ref->type->write(ref->object, ref->property, 0);
} else {
QDeclarativeValueTypeCopy *copy = static_cast<QDeclarativeValueTypeCopy *>(obj);
copy->type->setValue(copy->value);
QMetaProperty p = copy->type->metaObject()->property(m_lastIndex);
p.write(copy->type, v);
copy->value = copy->type->value();
}
}
void QDeclarativeObjectScriptClass::setProperty(QObject *obj,
const Identifier &name,
const QScriptValue &value,
QScriptContext *context,
QDeclarativeContextData *evalContext)
{
Q_UNUSED(name);
Q_ASSERT(obj);
Q_ASSERT(lastData);
Q_ASSERT(context);
if (!lastData->isValid()) {
QString error = QLatin1String("Cannot assign to non-existent property \"") +
toString(name) + QLatin1Char('\"');
context->throwError(error);
return;
}
if (!(lastData->flags & QDeclarativePropertyCache::Data::IsWritable) &&
!(lastData->flags & QDeclarativePropertyCache::Data::IsQList)) {
QString error = QLatin1String("Cannot assign to read-only property \"") +
toString(name) + QLatin1Char('\"');
context->throwError(error);
return;
}
QDeclarativeEnginePrivate *enginePriv = QDeclarativeEnginePrivate::get(engine);
if (!evalContext) {
// Global object, QScriptContext activation object, QDeclarativeContext object
QScriptValue scopeNode = scopeChainValue(context, -3);
if (scopeNode.isValid()) {
Q_ASSERT(scriptClass(scopeNode) == enginePriv->contextClass);
evalContext = enginePriv->contextClass->contextFromValue(scopeNode);
}
}
QDeclarativeBinding *newBinding = 0;
if (value.isFunction() && !value.isRegExp()) {
QScriptContextInfo ctxtInfo(context);
QDeclarativePropertyCache::ValueTypeData valueTypeData;
newBinding = new QDeclarativeBinding(value, obj, evalContext);
newBinding->setSourceLocation(ctxtInfo.fileName(), ctxtInfo.functionStartLineNumber());
newBinding->setTarget(QDeclarativePropertyPrivate::restore(*lastData, valueTypeData, obj, evalContext));
if (newBinding->expression().contains(QLatin1String("this")))
newBinding->setEvaluateFlags(newBinding->evaluateFlags() | QDeclarativeBinding::RequiresThisObject);
}
QDeclarativeAbstractBinding *delBinding =
QDeclarativePropertyPrivate::setBinding(obj, lastData->coreIndex, -1, newBinding);
if (delBinding)
delBinding->destroy();
if (value.isNull() && lastData->flags & QDeclarativePropertyCache::Data::IsQObjectDerived) {
QObject *o = 0;
int status = -1;
int flags = 0;
void *argv[] = { &o, 0, &status, &flags };
QMetaObject::metacall(obj, QMetaObject::WriteProperty, lastData->coreIndex, argv);
} else if (value.isUndefined() && lastData->flags & QDeclarativePropertyCache::Data::IsResettable) {
void *a[] = { 0 };
QMetaObject::metacall(obj, QMetaObject::ResetProperty, lastData->coreIndex, a);
} else if (value.isUndefined() && lastData->propType == qMetaTypeId<QVariant>()) {
QDeclarativePropertyPrivate::write(obj, *lastData, QVariant(), evalContext);
} else if (value.isUndefined()) {
QString error = QLatin1String("Cannot assign [undefined] to ") +
QLatin1String(QMetaType::typeName(lastData->propType));
context->throwError(error);
} else if (value.isFunction() && !value.isRegExp()) {
// this is handled by the binding creation above
} else {
//### expand optimization for other known types
if (lastData->propType == QMetaType::Int && value.isNumber()) {
int rawValue = qRoundDouble(value.toNumber());
int status = -1;
int flags = 0;
void *a[] = { (void *)&rawValue, 0, &status, &flags };
QMetaObject::metacall(obj, QMetaObject::WriteProperty,
lastData->coreIndex, a);
return;
} else if (lastData->propType == QMetaType::QReal && value.isNumber()) {
qreal rawValue = qreal(value.toNumber());
int status = -1;
int flags = 0;
void *a[] = { (void *)&rawValue, 0, &status, &flags };
QMetaObject::metacall(obj, QMetaObject::WriteProperty,
lastData->coreIndex, a);
return;
} else if (lastData->propType == QMetaType::QString && value.isString()) {
const QString &rawValue = value.toString();
int status = -1;
int flags = 0;
void *a[] = { (void *)&rawValue, 0, &status, &flags };
QMetaObject::metacall(obj, QMetaObject::WriteProperty,
lastData->coreIndex, a);
return;
}
QVariant v;
if (lastData->flags & QDeclarativePropertyCache::Data::IsQList)
v = enginePriv->scriptValueToVariant(value, qMetaTypeId<QList<QObject *> >());
else
v = enginePriv->scriptValueToVariant(value, lastData->propType);
if (!QDeclarativePropertyPrivate::write(obj, *lastData, v, evalContext)) {
const char *valueType = 0;
if (v.userType() == QVariant::Invalid) valueType = "null";
else valueType = QMetaType::typeName(v.userType());
QString error = QLatin1String("Cannot assign ") +
QLatin1String(valueType) +
QLatin1String(" to ") +
QLatin1String(QMetaType::typeName(lastData->propType));
context->throwError(error);
}
}
}
