loom

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#include "NumberSourceDataModel.hpp"
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#include "DecimalData.hpp"
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#include <QtCore/QJsonValue>
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#include <QtGui/QDoubleValidator>
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#include <QtWidgets/QLineEdit>
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NumberSourceDataModel::NumberSourceDataModel()
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    : _number(std::make_shared<DecimalData>(0.0))
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    , _lineEdit{nullptr}
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{}
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QJsonObject NumberSourceDataModel::save() const
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{
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    QJsonObject modelJson = NodeDelegateModel::save();
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    modelJson["number"] = QString::number(_number->number());
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    return modelJson;
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}
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void NumberSourceDataModel::load(QJsonObject const &p)
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{
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    QJsonValue v = p["number"];
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    if (!v.isUndefined()) {
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        QString strNum = v.toString();
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        bool ok;
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        double d = strNum.toDouble(&ok);
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        if (ok) {
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            _number = std::make_shared<DecimalData>(d);
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            if (_lineEdit)
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                _lineEdit->setText(strNum);
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        }
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    }
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}
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unsigned int NumberSourceDataModel::nPorts(PortType portType) const
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{
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    unsigned int result = 1;
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    switch (portType) {
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    case PortType::In:
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        result = 0;
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        break;
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    case PortType::Out:
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        result = 1;
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    default:
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        break;
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    }
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    return result;
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}
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void NumberSourceDataModel::onTextEdited(QString const &str)
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{
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    bool ok = false;
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    double number = str.toDouble(&ok);
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    if (ok) {
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        _number = std::make_shared<DecimalData>(number);
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        Q_EMIT dataUpdated(0);
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    } else {
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        Q_EMIT dataInvalidated(0);
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    }
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}
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NodeDataType NumberSourceDataModel::dataType(PortType, PortIndex) const
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{
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    return DecimalData().type();
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}
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std::shared_ptr<NodeData> NumberSourceDataModel::outData(PortIndex)
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{
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    return _number;
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}
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QWidget *NumberSourceDataModel::embeddedWidget()
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{
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    if (!_lineEdit) {
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        _lineEdit = new QLineEdit();
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        _lineEdit->setValidator(new QDoubleValidator());
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        _lineEdit->setMaximumSize(_lineEdit->sizeHint());
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        connect(_lineEdit, &QLineEdit::textChanged, this, &NumberSourceDataModel::onTextEdited);
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        _lineEdit->setText(QString::number(_number->number()));
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    }
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    return _lineEdit;
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}
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void NumberSourceDataModel::setNumber(double n)
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{
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    _number = std::make_shared<DecimalData>(n);
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    Q_EMIT dataUpdated(0);
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    if (_lineEdit)
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        _lineEdit->setText(QString::number(_number->number()));
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}
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