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#pragma once
#include "DecimalData.hpp"
#include "MathOperationDataModel.hpp"
#include <QtCore/QObject>
#include <QtWidgets/QLabel>
#include <nodes/NodeDataModel>
/// The model dictates the number of inputs and outputs for the Node.
/// In this example it has no logic.
class SubtractionModel : public MathOperationDataModel
{
public:
virtual ~SubtractionModel()
{
}
public:
QString caption() const override
{
return QStringLiteral("Subtraction");
}
virtual bool portCaptionVisible(PortType portType, PortIndex portIndex) const override
{
Q_UNUSED(portType);
Q_UNUSED(portIndex);
return true;
}
virtual QString portCaption(PortType portType, PortIndex portIndex) const override
{
switch (portType)
{
case PortType::In:
if (portIndex == 0)
return QStringLiteral("Minuend");
else if (portIndex == 1)
return QStringLiteral("Subtrahend");
break;
case PortType::Out: return QStringLiteral("Result");
default: break;
}
return QString();
}
QString name() const override
{
return QStringLiteral("Subtraction");
}
std::unique_ptr<NodeDataModel> clone() const override
{
return std::make_unique<SubtractionModel>();
}
private:
void compute() override
{
PortIndex const outPortIndex = 0;
auto n1 = _number1.lock();
auto n2 = _number2.lock();
if (n1 && n2)
{
modelValidationState = NodeValidationState::Valid;
modelValidationError = QString();
_result = std::make_shared<DecimalData>(n1->number() - n2->number());
}
else
{
modelValidationState = NodeValidationState::Warning;
modelValidationError = QStringLiteral("Missing or incorrect inputs");
_result.reset();
}
Q_EMIT dataUpdated(outPortIndex);
}
};
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