src/viewmodel/viewmodel.cpp

#include <sstream>
#include <iomanip>
#include <array>

#include "rive/viewmodel/viewmodel.hpp"
#include "rive/viewmodel/viewmodel_property.hpp"
#include "rive/backboard.hpp"
#include "rive/importers/backboard_importer.hpp"

using namespace rive;

ViewModel::~ViewModel()
{
  for (auto& property : m_Properties)
  {
    delete property;
  }
}

void ViewModel::addProperty(ViewModelProperty* property)
{
  m_Properties.push_back(property);
}

ViewModelProperty* ViewModel::property(size_t index)
{
  if (index < m_Properties.size())
  {
    return m_Properties[index];
  }
  return nullptr;
}

ViewModelProperty* ViewModel::property(const std::string& propName)
{
  for (auto property : m_Properties)
  {
    if (property->name() == propName)
    {
      return property;
    }
  }
  return nullptr;
}

ViewModelProperty* ViewModel::property(const SymbolType symbolType)
{
  for (auto property : m_Properties)
  {
    if (property->symbolTypeValue() == static_cast<int>(symbolType))
    {
      return property;
    }
  }
  return nullptr;
}

void ViewModel::addInstance(ViewModelInstance* value)
{
  m_Instances.push_back(value);
  value->viewModel(this);
}

ViewModelInstance* ViewModel::defaultInstance()
{
  if (m_Instances.size() > 0)
  {

    return m_Instances[0];
  }
  return nullptr;
}

ViewModelInstance* ViewModel::instance(size_t index)
{
  if (index < m_Instances.size())
  {
    return m_Instances[index];
  }
  return nullptr;
}

ViewModelInstance* ViewModel::instance(const std::string& name)
{
  for (auto instance : m_Instances)
  {
    if (instance->name() == name)
    {
      return instance;
    }
  }
  return nullptr;
}

size_t ViewModel::instanceCount() const { return m_Instances.size(); }

rcp<ViewModelInstance> ViewModel::createInstance()
{
  if (m_file)
  {
    return m_file->createViewModelInstance(this);
  }
  return nullptr;
}

rcp<ViewModelInstance> ViewModel::createFromInstance(
    const std::string& instanceName)
{
  if (m_file)
  {
    return m_file->createViewModelInstance(this->name(), instanceName);
  }
  return nullptr;
}
#ifdef WITH_RIVE_EDITOR
void ViewModel::editorPrepareForDestruction()
{
  // Definitions can be externally retained after the arena retires.
  // Their instance lookup table must not expose freed arena entries.
  m_Instances.erase(
      std::remove_if(
          m_Instances.begin(),
          m_Instances.end(),
          [](auto* instance) { return instance->editorArena() != nullptr; }),
      m_Instances.end());
  m_Properties.erase(
      std::remove_if(
          m_Properties.begin(),
          m_Properties.end(),
          [](auto* c) { return c->editorArena() != nullptr; }),
      m_Properties.end());
}

#endif