void
QPython::receive(QVariant variant)
{
QVariantList list = variant.toList();
QString event = list[0].toString();
if (handlers.contains(event)) {
QJSValue callback = handlers[event];
QJSValueList args;
for (int i=1; i<list.size(); i++) {
args << callback.engine()->toScriptValue(list[i]);
}
QJSValue result = callback.call(args);
if (result.isError()) {
// Ideally we would throw the error back to Python (so that the
// pyotherside.send() method fails, as this is where the call
// originated). We can't do this, because the pyotherside.send()
// call is asynchronous (it returns before we call into JS), so do
// the next best thing and report the error to our error handler in
// QML instead.
emitError("pyotherside.send() failed handler: " +
result.property("fileName").toString() + ":" +
result.property("lineNumber").toString() + ": " +
result.toString());
}
} else {
// Default action
emit received(variant);
}
}
QJSValue QDeclarativeGalleryQueryModel::get(const QJSValue &index) const
{
QJSEngine *scriptEngine = index.engine();
if (!scriptEngine)
return QJSValue();
const int i = index.toInt();
if (i < 0 || i >= m_rowCount || (i != m_resultSet->currentIndex() && !m_resultSet->fetch(i)))
return QJSValue();
QJSValue object = scriptEngine->newObject();
object.setProperty(
QLatin1String("itemId"), scriptEngine->toScriptValue(m_resultSet->itemId()));
object.setProperty(
QLatin1String("itemUrl"), scriptEngine->toScriptValue(m_resultSet->itemUrl()));
typedef QVector<QPair<int, QString> >::const_iterator iterator;
for (iterator it = m_propertyNames.constBegin(), end = m_propertyNames.constEnd();
it != end;
++it) {
QVariant value = m_resultSet->metaData(it->first);
if (value.isNull())
value = QVariant(m_resultSet->propertyType(it->first));
object.setProperty(it->second, scriptEngine->toScriptValue(value));
}
return object;
}
void JsonDatabase::onQueryError(QtJsonDb::QJsonDbRequest::ErrorCode code, const QString &message)
{
QJsonDbReadRequest *request = qobject_cast<QJsonDbReadRequest *>(sender());
if (listCallbacks.contains(request)) {
QJSValue callback = listCallbacks[request];
QJSEngine *engine = callback.engine();
QJSValueList args;
QVariantMap error;
error.insert(QStringLiteral("code"), code);
error.insert(QStringLiteral("message"), message);
args << engine->toScriptValue(QVariant(error)) << engine->newArray();
callback.call(args);
listCallbacks.remove(request);
}
}
void JsonDbPartition::call(QMap<QJsonDbWriteRequest*, QJSValue> &callbacks, QJsonDbWriteRequest *request)
{
QJSValue callback = callbacks[request];
QJSEngine *engine = callback.engine();
if (!engine) {
callbacks.remove(request);
return;
}
QList<QJsonObject> objects = request->takeResults();
QJSValueList args;
// object : id , statenumber , items
QJSValue response= engine->newObject();
response.setProperty(JsonDbStrings::Protocol::stateNumber(), request->stateNumber());
response.setProperty(JsonDbStrings::Protocol::requestId(), request->property("requestId").toInt());
response.setProperty(QLatin1String("items"), qjsonobject_list_to_qjsvalue(objects));
args << QJSValue(QJSValue::UndefinedValue) << response;
callback.call(args);
callbacks.remove(request);
}
void JsonDbPartition::queryFinished()
{
JsonDbQueryObject *object = qobject_cast<JsonDbQueryObject*>(sender());
if (object) {
int id = findIds.value(object);
QJSValue callback = findCallbacks.value(object);
QJSEngine *engine = callback.engine();
if (engine && callback.isCallable()) {
QJSValueList args;
// object : id , statenumber , items
QJSValue response= engine->newObject();
response.setProperty(JsonDbStrings::Protocol::stateNumber(), object->stateNumber());
response.setProperty(JsonDbStrings::Protocol::requestId(), id);
response.setProperty(QLatin1String("items"), object->takeResults());
args << QJSValue(QJSValue::UndefinedValue) << response;
callback.call(args);
}
findIds.remove(object);
findCallbacks.remove(object);
object->deleteLater();
}
}
void JsonDatabase::onQueryFinished()
{
QJsonDbReadRequest *request = qobject_cast<QJsonDbReadRequest *>(sender());
if (listCallbacks.contains(request)) {
QJSValue callback = listCallbacks[request];
QJSEngine *engine = callback.engine();
QJSValueList args;
args << QJSValue(QJSValue::UndefinedValue);
QList<QJsonObject> objects = request->takeResults();
int count = objects.count();
if (count) {
QJSValue response = engine->newArray(count);
for (int i = 0; i < count; ++i) {
QString partitionName = objects[i].value(QStringLiteral("name")).toString();
response.setProperty(i, engine->newQObject(partition(partitionName)));
}
args << response;
} else {
args << engine->newArray();
}
callback.call(args);
listCallbacks.remove(request);
}
}
void JsonDbPartition::queryStatusChanged()
{
JsonDbQueryObject *object = qobject_cast<JsonDbQueryObject*>(sender());
if (object && object->status() == JsonDbQueryObject::Error) {
int id = findIds.value(object);
QJSValue callback = findCallbacks.value(object);
QJSEngine *engine = callback.engine();
if (engine && callback.isCallable()) {
QJSValueList args;
QJSValue response = engine->newObject();
response.setProperty(JsonDbStrings::Protocol::stateNumber(), -1);
response.setProperty(JsonDbStrings::Protocol::requestId(), id);
response.setProperty(QLatin1String("items"), engine->newArray());
args << engine->toScriptValue(object->error())<< response;
callback.call(args);
}
findIds.remove(object);
findCallbacks.remove(object);
object->deleteLater();
}
}
void JsonDbPartition::callErrorCallback(QMap<QJsonDbWriteRequest*, QJSValue> &callbacks, QJsonDbWriteRequest *request,
QtJsonDb::QJsonDbRequest::ErrorCode code, const QString &message)
{
QJSValue callback = callbacks[request];
QJSEngine *engine = callback.engine();
if (!engine) {
callbacks.remove(request);
return;
}
QJSValueList args;
QVariantMap error;
error.insert(QLatin1String("code"), code);
error.insert(QLatin1String("message"), message);
// object : id
QJSValue response = engine->newObject();
response.setProperty(JsonDbStrings::Protocol::stateNumber(), -1);
response.setProperty(JsonDbStrings::Protocol::requestId(), request->property("requestId").toInt());
response.setProperty(QLatin1String("items"), engine->newArray());
args << engine->toScriptValue(QVariant(error))<< response;
callback.call(args);
callbacks.remove(request);
}
