ModelView::JsonModelConverter Class Reference

Converter of SessionModel to/from json object with posibility to select one of convertion modes. More...

Inheritance diagram for ModelView::JsonModelConverter:

Collaboration diagram for ModelView::JsonModelConverter:

Public Member Functions
	JsonModelConverter (ConverterMode mode)
	~JsonModelConverter () override
void	from_json (const QJsonObject &json, SessionModel &model) const override
	Reads json object and build the model. More...
QJsonObject	to_json (const SessionModel &model) const override
	Writes content of model into json. More...

Private Attributes
ConverterMode	m_mode

Detailed Description

Converter of SessionModel to/from json object with posibility to select one of convertion modes.

Definition at line 29 of file jsonmodelconverter.h.

Constructor & Destructor Documentation

JsonModelConverter()

JsonModelConverter::JsonModelConverter

(

ConverterMode

mode

)

Definition at line 44 of file jsonmodelconverter.cpp.

: m_mode(mode) {}

~JsonModelConverter()

JsonModelConverter::~JsonModelConverter ( )

overridedefault

Member Function Documentation

from_json()

void JsonModelConverter::from_json ( const QJsonObject &  json, SessionModel &  model  ) const

overridevirtual

Reads json object and build the model.

Implements ModelView::JsonModelConverterInterface.

Definition at line 69 of file jsonmodelconverter.cpp.

{
    if (!model.rootItem())
        throw std::runtime_error("JsonModel::json_to_model() -> Error. Model is not initialized.");
 
    JsonItemFormatAssistant assistant;
    if (!assistant.isSessionModel(json))
        throw std::runtime_error("JsonModel::json_to_model() -> Error. Invalid json object.");
 
    if (json[JsonItemFormatAssistant::sessionModelKey].toString()
        != QString::fromStdString(model.modelType()))
        throw std::runtime_error(
            "JsonModel::json_to_model() -> Unexpected model type '" + model.modelType()
            + "', json key '"
            + json[JsonItemFormatAssistant::sessionModelKey].toString().toStdString() + "'");
 
    auto itemConverter = CreateConverter(model.factory(), m_mode);
 
    auto rebuild_root = [&json, &itemConverter](auto parent) {
        for (const auto ref : json[JsonItemFormatAssistant::itemsKey].toArray()) {
            auto item = itemConverter->from_json(ref.toObject());
            parent->insertItem(item.release(), TagRow::append());
        }
    };
    model.clear(rebuild_root);
}

References ModelView::TagRow::append(), ModelView::SessionModel::clear(), ModelView::SessionModel::factory(), ModelView::JsonItemFormatAssistant::isSessionModel(), ModelView::JsonItemFormatAssistant::itemsKey, m_mode, ModelView::SessionModel::modelType(), ModelView::SessionModel::rootItem(), ModelView::JsonItemFormatAssistant::sessionModelKey, and PyUtils::toString().

Referenced by TEST_F().

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to_json()

QJsonObject JsonModelConverter::to_json ( const SessionModel &  model ) const

overridevirtual

Writes content of model into json.

Implements ModelView::JsonModelConverterInterface.

Definition at line 48 of file jsonmodelconverter.cpp.

{
    QJsonObject result;
 
    if (!model.rootItem())
        throw std::runtime_error("JsonModel::to_json() -> Error. Model is not initialized.");
 
    result[JsonItemFormatAssistant::sessionModelKey] = QString::fromStdString(model.modelType());
 
    QJsonArray itemArray;
 
    auto itemConverter = CreateConverter(model.factory(), m_mode);
 
    for (auto item : model.rootItem()->children())
        itemArray.append(itemConverter->to_json(item));
 
    result[JsonItemFormatAssistant::itemsKey] = itemArray;
 
    return result;
}

References ModelView::SessionItem::children(), ModelView::SessionModel::factory(), ModelView::JsonItemFormatAssistant::itemsKey, m_mode, ModelView::SessionModel::modelType(), ModelView::SessionModel::rootItem(), and ModelView::JsonItemFormatAssistant::sessionModelKey.

Referenced by TEST_F().

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Member Data Documentation

m_mode

ConverterMode ModelView::JsonModelConverter::m_mode

private

Definition at line 41 of file jsonmodelconverter.h.

Referenced by from_json(), and to_json().

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The documentation for this class was generated from the following files:

• /home/www/ba/mvvm/model/mvvm/serialization/jsonmodelconverter.h
• /home/www/ba/mvvm/model/mvvm/serialization/jsonmodelconverter.cpp