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/* Copyright (c) 2010-2019, AOYAMA Kazuharu
* All rights reserved.
*
* This software may be used and distributed according to the terms of
* the New BSD License, which is incorporated herein by reference.
*/
#include <TAbstractModel>
#include <TModelObject>
/*!
\class TAbstractModel
\brief The TAbstractModel class is the abstract base class of models,
providing functionality common to models.
*/
/*!
Returns true if this model is null; otherwise returns false.
*/
bool TAbstractModel::isNull() const
{
return modelData()->isNull();
}
/*!
Returns true if this model is new, not created; otherwise returns false.
*/
bool TAbstractModel::isNew() const
{
return modelData()->isNull();
}
/*!
Returns true if this model is not saved; otherwise returns false.
*/
bool TAbstractModel::isSaved() const
{
return !modelData()->isNull();
}
/*!
Creates the model as a new data to the data storage.
*/
bool TAbstractModel::create()
{
return modelData()->create();
}
/*!
Saves the model to the data storage.
If the model exists in the data storage, calls update();
otherwise calls create().
*/
bool TAbstractModel::save()
{
return modelData()->save();
}
/*!
Updates the model to the data storage.
*/
bool TAbstractModel::update()
{
return modelData()->update();
}
/*!
Removes the model from the data storage.
*/
bool TAbstractModel::remove()
{
return modelData()->remove();
}
/*!
Returns a map with all properties of this text format.
*/
QVariantMap TAbstractModel::toVariantMap(const QStringList &properties) const
{
QVariantMap ret;
const QVariantMap map = modelData()->toVariantMap();
for (auto it = map.begin(); it != map.end(); ++it) {
auto name = fieldNameToVariableName(it.key());
if (properties.isEmpty() || properties.contains(name)) {
ret.insert(name, it.value());
}
}
return ret;
}
/*!
Sets the \a properties.
*/
void TAbstractModel::setProperties(const QVariantMap &properties)
{
// Creates a map of the original property name and the converted name
const QStringList moprops = modelData()->propertyNames();
QMap<QString, QString> mopropMap;
for (auto &orig : moprops) {
mopropMap.insert(fieldNameToVariableName(orig), orig);
}
QVariantMap props;
for (auto it = properties.begin(); it != properties.end(); ++it) {
const QString &p = mopropMap[it.key()];
if (!p.isEmpty()) {
props.insert(p, it.value());
}
}
modelData()->setProperties(props);
}
QString TAbstractModel::variableNameToFieldName(const QString &name) const
{
for (auto &prop : modelData()->propertyNames()) {
if (fieldNameToVariableName(prop) == name) {
return prop;
}
}
return QString();
}
QString TAbstractModel::fieldNameToVariableName(const QString &name)
{
QString ret;
bool existsLower = false;
bool existsUnders = name.contains('_');
const QLatin1Char Underscore('_');
ret.reserve(name.length());
for (int i = 0; i < name.length(); ++i) {
const QChar &c = name[i];
if (c == Underscore) {
if (i > 0 && i + 1 < name.length()) {
ret += name[++i].toUpper();
}
} else {
if (!existsLower && c.isLower()) {
existsLower = true;
}
ret += (existsLower && !existsUnders) ? c : c.toLower();
}
}
return ret;
}
/*!
Converts the model to a QJsonObject.
*/
QJsonObject TAbstractModel::toJsonObject(const QStringList &properties) const
{
return QJsonObject::fromVariantMap(toVariantMap(properties));
}
/*!
Sets the \a properties.
*/
void TAbstractModel::setProperties(const QJsonObject &properties)
{
setProperties(properties.toVariantMap());
}
/*!
Sets the \a properties.
*/
void TAbstractModel::setProperties(const QJsonDocument &properties)
{
setProperties(properties.object().toVariantMap());
}
/*!
Converts all the properies to CBOR using QCborValue::fromVariant() and
returns the map composed of those elements.
*/
QCborMap TAbstractModel::toCborMap(const QStringList &properties) const
{
return QCborMap::fromVariantMap(toVariantMap(properties));
}
/*!
\fn virtual TModelObject *TAbstractModel::modelData()
This function is reimplemented in subclasses to return a pointer
to the data stored in the model object.
*/
/*!
\fn virtual const TModelObject *TAbstractModel::modelData() const
This function is reimplemented in subclasses to return a pointer
to the data stored in the model object.
*/