VisionFlowPro/NodeEditorPro/examples/calculator/NumberDisplayDataModel.cpp

#include "NumberDisplayDataModel.hpp"

#include "DecimalData.hpp"

#include <QtWidgets/QLabel>

NumberDisplayDataModel::
NumberDisplayDataModel()
  : _label{nullptr}
{
}


unsigned int
NumberDisplayDataModel::
nPorts(PortType portType) const
{
  unsigned int result = 1;

  switch (portType)
  {
    case PortType::In:
      result = 1;
      break;

    case PortType::Out:
      result = 0;

    default:
      break;
  }

  return result;
}


NodeDataType
NumberDisplayDataModel::
dataType(PortType, PortIndex) const
{
  return DecimalData().type();
}


std::shared_ptr<NodeData>
NumberDisplayDataModel::
outData(PortIndex)
{
  std::shared_ptr<NodeData> ptr;
  return ptr;
}


void
NumberDisplayDataModel::
setInData(std::shared_ptr<NodeData> data, int)
{
  auto numberData = std::dynamic_pointer_cast<DecimalData>(data);

  if (numberData)
  {
    modelValidationState = NodeValidationState::Valid;
    modelValidationError = QString();
    _label->setText(numberData->numberAsText());
  }
  else
  {
    modelValidationState = NodeValidationState::Warning;
    modelValidationError = QStringLiteral("Missing or incorrect inputs");
    _label->clear();
  }

  _label->adjustSize();
}

QWidget*
NumberDisplayDataModel::
embeddedWidget()
{
  if (!_label)
  {
    _label = new QLabel();
    _label->setMargin(3);
  }

  return _label; 
}

NodeValidationState
NumberDisplayDataModel::
validationState() const
{
  return modelValidationState;
}


QString
NumberDisplayDataModel::
validationMessage() const
{
  return modelValidationError;
}