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#include "ExpressionConstantModel.hpp"
#include "ExpressionRangeData.hpp"
#include <QtCore/QDebug>
#include <QtCore/QJsonValue>
#include <QtGui/QDoubleValidator>
#include <QtWidgets/QFormLayout>
#include <QtWidgets/QHBoxLayout>
#include <QtWidgets/QLineEdit>
#include <QtWidgets/QSpinBox>
#include <QtWidgets/QWidget>
#include <algorithm>
ExpressionConstantModel::ExpressionConstantModel()
{
_widget = new QWidget();
auto l = new QFormLayout();
_variableEdit = new QLineEdit();
_variableEdit->setPlaceholderText("Variable name");
_numberEdit = new QLineEdit();
_numberEdit->setPlaceholderText("Number");
_numberEdit->setValidator(new QDoubleValidator());
_numberEdit->setText("0.0");
_spinBox = new QSpinBox();
_spinBox->setMinimum(1);
_spinBox->setMaximum(100);
_spinBox->setValue(1);
auto ll = new QHBoxLayout();
ll->addWidget(_numberEdit);
ll->addWidget(_spinBox);
_rangeEdit = new QLineEdit();
_rangeEdit->setReadOnly(true);
l->addRow("Variable", _variableEdit);
l->addRow("Constant x N", ll);
l->addRow("Range", _rangeEdit);
_widget->setLayout(l);
connect(_variableEdit, &QLineEdit::textChanged, this, &ExpressionConstantModel::onVariableEdited);
connect(_numberEdit, &QLineEdit::textChanged, this, &ExpressionConstantModel::onVariableEdited);
connect(_spinBox, SIGNAL(valueChanged(QString)), this, SLOT(onVariableEdited(QString)));
}
QJsonObject ExpressionConstantModel::save() const
{
QJsonObject modelJson = NodeDataModel::save();
if (_expression)
modelJson["expression"] = _expression->expression();
return modelJson;
}
void ExpressionConstantModel::restore(QJsonObject const &p)
{
QJsonValue v = p["expression"];
if (!v.isUndefined())
{
QString str = v.toString();
std::vector<double> range;
range.push_back(0.0);
_expression = std::make_shared<ExpressionRangeData>(str, range);
_variableEdit->setText(str);
}
}
unsigned int ExpressionConstantModel::nPorts(PortType portType) const
{
unsigned int result = 1;
switch (portType)
{
case PortType::In: result = 0; break;
case PortType::Out: result = 1;
default: break;
}
return result;
}
std::vector<double> ExpressionConstantModel::processRangeText(QString const &numberText, int times) const
{
std::vector<double> result;
QStringList numbers = numberText.split(",", QString::SkipEmptyParts);
bool ok = true;
double d = numberText.toDouble(&ok);
if (!ok)
return result;
result.resize(times);
std::fill_n(result.begin(), times, d);
return result;
}
QString ExpressionConstantModel::convertRangeToText(std::vector<double> const &range) const
{
QString result("(");
for (std::size_t i = 0; i < range.size() - 1; ++i)
{
result = result + QString::number(range[i]) + ", ";
}
result = result + QString::number(range.back()) + ")";
return result;
}
void ExpressionConstantModel::processData()
{
bool ok = false;
QString text = _variableEdit->text();
QString prefix("${%1}");
std::vector<double> range = processRangeText(_numberEdit->text(), _spinBox->value());
if (!text.isEmpty() && (range.size() > 0))
{
_expression = std::make_shared<ExpressionRangeData>(prefix.arg(text), range);
_rangeEdit->setText(convertRangeToText(range));
emit dataUpdated(0);
}
else
{
emit dataInvalidated(0);
}
}
void ExpressionConstantModel::onVariableEdited(QString const &string)
{
Q_UNUSED(string);
processData();
}
void ExpressionConstantModel::onRangeEdited(QString const &string)
{
Q_UNUSED(string);
processData();
}
std::shared_ptr<NodeDataType> ExpressionConstantModel::dataType(PortType, PortIndex) const
{
return ExpressionRangeData().type();
}
std::shared_ptr<NodeData> ExpressionConstantModel::outData(PortIndex)
{
return _expression;
}
QWidget *ExpressionConstantModel::embeddedWidget()
{
return _widget;
}
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