32671464175

Committed 23 Aug 2026 10:43PM UTC coverage: 23.21% (+1.6%) from 21.606%

Build # 32671464175

Build Type

push

github

Committed by

jcelerier

Commit Message

scenario: export NodalIntervalView

test_integration_nodal_viewport and test_integration_cable_drag_view_scroll
call into the class from outside the plug-in, so a shared-plugin build could
not link either of them: the library held 136 NodalIntervalView symbols and
exported none. A static-plugin build never sees it, which is why CI does not.

Coverage Stats

51875 of 223502 relevant lines covered (23.21%)

63063.32 hits per line

Source File
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39.71

/src/plugins/score-plugin-deviceexplorer/Explorer/Explorer/DeviceExplorerModel.cpp

// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
#include "DeviceExplorerModel.hpp"

#include <State/MessageListSerialization.hpp>
#include <State/ValueConversion.hpp>

#include <Device/Address/AddressSettings.hpp>
#include <Device/ItemModels/NodeBasedItemModel.hpp>
#include <Device/ItemModels/NodeDisplayMethods.hpp>
#include <Device/Node/DeviceNode.hpp>
#include <Device/Node/NodeListMimeSerialization.hpp>
#include <Device/Protocol/DeviceSettings.hpp>
#include <Device/Protocol/ProtocolFactoryInterface.hpp>
#include <Device/Protocol/ProtocolList.hpp>

#include <Explorer/Commands/Add/LoadDevice.hpp>
#include <Explorer/Commands/Update/UpdateAddressSettings.hpp>
#include <Explorer/DeviceList.hpp>
#include <Explorer/DocumentPlugin/DeviceDocumentPlugin.hpp>
#include <Explorer/DocumentPlugin/NodeUpdateProxy.hpp>
#include <Explorer/Explorer/DeviceExplorerMimeTypes.hpp>
#include <Explorer/Explorer/DeviceExplorerView.hpp>
#include <Explorer/Explorer/Widgets/DeviceEditDialog.hpp> // TODO why here??!!

#include <score/application/ApplicationContext.hpp>
#include <score/application/GUIApplicationContext.hpp>
#include <score/command/CommandStackFacade.hpp>
#include <score/document/DocumentContext.hpp>
#include <score/document/DocumentInterface.hpp>
#include <score/model/path/Path.hpp>
#include <score/model/tree/TreeNode.hpp>
#include <score/model/tree/TreeNodeSerialization.hpp>
#include <score/plugins/InterfaceList.hpp>
#include <score/plugins/StringFactoryKey.hpp>
#include <score/serialization/JSONVisitor.hpp>
#include <score/serialization/MimeVisitor.hpp>
#include <score/widgets/MessageBox.hpp>

#include <ossia/detail/ssize.hpp>
#include <ossia/network/base/node_attributes.hpp>
#include <ossia/network/common/destination_qualifiers.hpp>
#include <ossia/network/domain/domain.hpp>

#include <ossia-qt/name_utils.hpp>

#include <QAbstractProxyModel>
#include <QApplication>
#include <QMainWindow>
#include <QMap>
#include <QMimeData>
#include <QObject>
#include <QTreeView>

#include <wobjectimpl.h>

#include <iostream>
#include <string>
#include <vector>
W_OBJECT_IMPL(Explorer::DeviceExplorerModel)
namespace Explorer
{
static const QMap<Explorer::Column, QString> HEADERS{
    {Explorer::Column::Name, QObject::tr("Address")},
    {Explorer::Column::Value, QObject::tr("Value")}};

DeviceExplorerModel::DeviceExplorerModel(DeviceDocumentPlugin& plug, QObject* parent)
    : NodeBasedItemModel{parent}
    , m_devicePlugin{plug}
    , m_rootNode{plug.rootNode()}
    , m_cmdQ{plug.context().commandStack}
{
  this->setObjectName("DeviceExplorerModel");

  beginResetModel();
  endResetModel();
}

DeviceExplorerModel::~DeviceExplorerModel() { }

DeviceDocumentPlugin& DeviceExplorerModel::deviceModel() const
{
  return m_devicePlugin;
}

QModelIndexList DeviceExplorerModel::selectedIndexes() const
{
  if(!m_view)
  {
    return {};
  }
  else
  {
    // We have to do this check if we have a proxy
    if(m_view->hasProxy())
    {
      auto indexes = m_view->selectedIndexes();
      for(auto& index : indexes)
        index = static_cast<const QAbstractProxyModel*>(m_view->QTreeView::model())
                    ->mapToSource(index);
      return indexes;
    }
    else
    {
      return m_view->selectedIndexes();
    }
  }
}

QStringList DeviceExplorerModel::getColumns() const
{
  return HEADERS.values();
}

int DeviceExplorerModel::addDevice(const Device::Node& deviceNode)
{
  int row = m_rootNode.childCount();
  QModelIndex parent; // invalid

  beginInsertRows(parent, row, row);
  rootNode().push_back(deviceNode);
  endInsertRows();

  return row;
}

int DeviceExplorerModel::addDevice(Device::Node&& deviceNode)
{
  deviceNode.setParent(&rootNode());

  int row = m_rootNode.childCount();
  QModelIndex parent; // invalid

  beginInsertRows(parent, row, row);
  rootNode().push_back(std::move(deviceNode));
  endInsertRows();

  return row;
}

bool DeviceExplorerModel::replaceDevice(Device::Node&& deviceNode)
{
  const auto& name = deviceNode.get<Device::DeviceSettings>().name;
  int row = 0;
  for(auto& n : m_rootNode)
  {
    if(n.get<Device::DeviceSettings>().name == name)
    {
      const QModelIndex index = createIndex(row, 0, &n);

      deviceTreeAboutToChange(&n);

      // Out with the old children...
      if(const int count = n.childCount(); count > 0)
      {
        beginRemoveRows(index, 0, count - 1);
        n.takeChildren();
        endRemoveRows();
      }

      // ... update the settings ...
      n.set(deviceNode.get<Device::DeviceSettings>());
      dataChanged(index, createIndex(row, columnCount() - 1, &n));

      // ... and in with the new.
      if(const int count = deviceNode.childCount(); count > 0)
      {
        beginInsertRows(index, 0, count - 1);
        deviceNode.moveChildren(n);
        endInsertRows();
      }

      deviceTreeChanged(&n);
      return true;
    }
    row++;
  }
  return false;
}

void DeviceExplorerModel::updateDevice(
    const QString& name, const Device::DeviceSettings& dev)
{
  int i = 0;
  for(auto& n : m_rootNode)
  {
    if(n.get<Device::DeviceSettings>().name == name)
    {
      n.set(dev);

      QModelIndex index = createIndex(i, 0, &n);
      dataChanged(index, index);
      return;
    }
    i++;
  }
}

Device::Node* DeviceExplorerModel::addAddress(
    Device::Node* parentNode, const Device::AddressSettings& addressSettings, int row)
{
  SCORE_ASSERT(parentNode);
  SCORE_ASSERT(parentNode != &m_rootNode);

  Device::Node* grandparent = parentNode->parent();
  SCORE_ASSERT(grandparent);
  int rowParent = grandparent->indexOfChild(parentNode);
  QModelIndex parentIndex = createIndex(rowParent, 0, parentNode);

  beginInsertRows(parentIndex, row, row);

  auto it = parentNode->begin();
  std::advance(it, row);

  auto& ret = parentNode->emplace(it, addressSettings, parentNode);

  endInsertRows();

  return &ret;
}

void DeviceExplorerModel::addNode(
    Device::Node* parentNode, Device::Node&& child, int row)
{
  SCORE_ASSERT(parentNode);
  SCORE_ASSERT(parentNode != &m_rootNode);

  Device::Node* grandparent = parentNode->parent();
  SCORE_ASSERT(grandparent);
  int rowParent = grandparent->indexOfChild(parentNode);
  QModelIndex parentIndex = createIndex(rowParent, 0, parentNode);

  beginInsertRows(parentIndex, row, row);

  auto it = parentNode->begin();
  std::advance(it, row);
  parentNode->emplace(it, std::move(child));

  endInsertRows();
}

void DeviceExplorerModel::updateAddress(
    Device::Node* node, const Device::AddressSettings& addressSettings)
{
  SCORE_ASSERT(node);
  SCORE_ASSERT(node != &m_rootNode);

  node->set(addressSettings);

  nodeChanged(node);

  dataChanged(
      modelIndexFromNode(*node, 0), modelIndexFromNode(*node, (int)Column::Count - 1));
}

void DeviceExplorerModel::updateValue(
    Device::Node* n, const State::AddressAccessor& addr, const ossia::value& v)
{
  if(!addr.qualifiers.get().accessors.empty())
  {
    SCORE_TODO;
  }
  n->get<Device::AddressSettings>().value = v;

  QModelIndex nodeIndex = modelIndexFromNode(*n, 1);

  dataChanged(nodeIndex, nodeIndex);
}

bool DeviceExplorerModel::checkDeviceInstantiatable(
    const Device::DeviceSettings& n) const
{
  // No name -> no love
  if(n.name.isEmpty())
    return false;

  // Request from the protocol factory the protocol to see
  // if it is compatible.
  auto& context = m_devicePlugin.context().app;
  auto prot = context.interfaces<Device::ProtocolFactoryList>().get(n.protocol);
  if(!prot)
    return false;

  // Look for other childs in the same protocol.
  bool none_incompatible = std::none_of(
      rootNode().begin(), rootNode().end(), [&](const Device::Node& child) {
    SCORE_ASSERT(child.is<Device::DeviceSettings>());
    const auto& set = child.get<Device::DeviceSettings>();
    return (set.name == n.name)
           || (set.protocol
                   == n.protocol // FIXME distinct protocols could use the same port...
               && !prot->checkCompatibility(n, child.get<Device::DeviceSettings>()));
  });
  if(!none_incompatible)
    return false;

  // Check compatibility with an empty device
  return prot->checkCompatibility(n, Device::DeviceSettings{});
}

bool DeviceExplorerModel::checkDeviceEditable(
    const QString& originalName, const Device::DeviceSettings& n) const
{
  // No name -> no love
  if(n.name.isEmpty())
    return false;

  // Request from the protocol factory the protocol to see
  // if it is compatible.
  auto& context = m_devicePlugin.context().app;
  auto prot = context.interfaces<Device::ProtocolFactoryList>().get(n.protocol);
  if(!prot)
    return false;

  // Look for other childs in the same protocol.
  bool none_incompatible = std::none_of(
      rootNode().begin(), rootNode().end(), [&](const Device::Node& child) {
    SCORE_ASSERT(child.is<Device::DeviceSettings>());
    const auto& set = child.get<Device::DeviceSettings>();
    // Ignore the device that is being edited
    if(set.name == originalName)
      return false;

    return (set.name == n.name)
           || (set.protocol == n.protocol
               && !prot->checkCompatibility(n, child.get<Device::DeviceSettings>()));
  });
  if(!none_incompatible)
    return false;

  // Check compatibility with an empty device
  return prot->checkCompatibility(n, Device::DeviceSettings{});
}

bool DeviceExplorerModel::checkAddressInstantiatable(
    Device::Node& parent, const Device::AddressSettings& addr)
{
  SCORE_ASSERT(!parent.is<InvisibleRootNode>());

  if(addr.name.isEmpty())
    return false;

  return std::none_of(parent.begin(), parent.end(), [&](const Device::Node& n) {
    return n.get<Device::AddressSettings>().name == addr.name;
  });
}

bool DeviceExplorerModel::checkAddressEditable(
    Device::Node& parent, const Device::AddressSettings& before,
    const Device::AddressSettings& after)
{
  SCORE_ASSERT(!parent.is<InvisibleRootNode>());

  if(after.name.isEmpty())
    return false;

  auto it = std::find_if(parent.begin(), parent.end(), [&](const Device::Node& n) {
    return n.get<Device::AddressSettings>().name == after.name;
  });
  if(it != parent.end())
  {
    //  We didn't change name, it's ok
    if(after.name == before.name)
      return true;
    else
      return false;
  }
  else
  {
    // Ok, no conflicts
    return true;
  }
}

bool DeviceExplorerModel::canRenameNode(const Device::Node& n) const
{
  if(!n.is<Device::AddressSettings>())
    return false;

  // Called for every visible cell: walk up to the device rather than building
  // the whole address just to read its first component.
  const Device::Node* root = &n;
  while(root->parent() && !root->is<Device::DeviceSettings>())
    root = root->parent();

  if(!root->is<Device::DeviceSettings>())
    return false;

  auto* dev = m_devicePlugin.list().findDevice(root->get<Device::DeviceSettings>().name);
  return dev && dev->capabilities().canRenameNode;
}

int DeviceExplorerModel::columnCount() const
{
  return (int)Column::Count;
}

int DeviceExplorerModel::columnCount(const QModelIndex& /*parent*/) const
{
  return (int)Column::Count;
}

// must return an invalid QVariant for cases not handled
QVariant DeviceExplorerModel::data(const QModelIndex& index, int role) const
{
  const int col = index.column();

  if(col < 0 || col >= (int)Column::Count)
  {
    return QVariant();
  }

  const Device::Node& n = nodeFromModelIndex(index);
  if(role != Qt::ToolTipRole)
  {
    switch((Column)col)
    {
      case Column::Name: {
        if(n.is<Device::AddressSettings>())
          return Device::nameColumnData(n, role);
        else if(n.is<Device::DeviceSettings>())
        {
          auto& dev_set = n.get<Device::DeviceSettings>();
          return Device::deviceNameColumnData(
              n, deviceModel().list().device(dev_set.name).connected(), role);
        }
        return {};
      }

      case Column::Value:
        return Device::valueColumnData(n, role);

      case Column::Count:
      default:
        SCORE_ABORT;
        return {};
    }
  }
  else
  {
    // Tooltip
    if(n.is<Device::AddressSettings>())
    {
      auto& addr_set = n.get<Device::AddressSettings>();
      if(const auto& desc = ossia::net::get_description(addr_set))
        return QString::fromStdString(*desc);
    }
    else
    {
      return {};
    }
  }
  return {};
}

QVariant
DeviceExplorerModel::headerData(int section, Qt::Orientation orientation, int role) const
{
  if(orientation == Qt::Horizontal && role == Qt::DisplayRole)
  {
    if(section >= 0 && section < (int)Column::Count)
    {
      return HEADERS[(Column)section];
    }
  }

  return {};
}

Qt::ItemFlags DeviceExplorerModel::flags(const QModelIndex& index) const
{
  Qt::ItemFlags f = Qt::ItemIsEnabled;
  // by default QAbstractItemModel::flags(index); returns Qt::ItemIsEnabled |
  // Qt::ItemIsSelectable

  if(index.isValid())
  {
    const Device::Node& n = nodeFromModelIndex(index);

    if(n.isSelectable())
    {
      f |= Qt::ItemIsSelectable;
    }

    // we allow drag'n drop only from the name column
    if(index.column() == (int)Column::Name)
    {
      f |= Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled;
    }

    if(n.isEditable() && index.column() == (int)Column::Value)
    {
      f |= Qt::ItemIsEditable;
    }

    if(index.column() == (int)Column::Name && n.is<Device::AddressSettings>()
       && canRenameNode(n))
    {
      f |= Qt::ItemIsEditable;
    }
  }
  else
  {
    // to be able to drop even where there is nothing
    f |= Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled;
  }

  return f;
}

/*
  return false if no change was made.
  dataChanged() & return true if a change is made.

  Note: this is the function that gets called when the user changes the value
  in the tree.
  It then sends a command that calls editData.
*/
bool DeviceExplorerModel::setData(
    const QModelIndex& index, const QVariant& value, int role)
{
  if(!index.isValid())
    return false;

  auto& n = nodeFromModelIndex(index);

  if(!n.is<Device::AddressSettings>())
    return false;

  auto col = Explorer::Column(index.column());

  if(role == Qt::EditRole || role == Qt::CheckStateRole)
  {
    if(col == Column::Value)
    {
      // In this case we don't make a command, but we directly push the
      // new value.
      auto copy = value.canConvert<ossia::value>() ? value.value<ossia::value>()
                                                   : State::convert::fromQVariant(value);

      // We may have to convert types.
      const ossia::value& orig = n.get<Device::AddressSettings>().value;
      if(copy.v.which() != orig.v.which() && !State::convert::convert(orig, copy))
        return false;

      n.get<Device::AddressSettings>().value = copy;

      // Note : if we want to disable remote updating, we have to do it
      // here (e.g. if this becomes a settings)
      m_devicePlugin.updateProxy.updateRemoteValue(Device::address(n).address, copy);

      dataChanged(index, index);
      return true;
    }
    else
    {
      // Here we make a command because we change the structure of the tree.
      auto settings = n.get<Device::AddressSettings>();
      if(col == Column::Name)
      {
        const QString s = value.toString();
        auto* parent = n.parent();
        if(s.isEmpty() || !parent || !canRenameNode(n))
          return false;

        auto renamed = n.get<Device::AddressSettings>();
        renamed.name = s;

        if(!checkAddressEditable(*parent, n.get<Device::AddressSettings>(), renamed))
          return false;

        settings.name = s;
      }

      if(settings != n.get<Device::AddressSettings>())
      {
        // We changed
        m_cmdQ.redoAndPush(new Explorer::Command::UpdateAddressSettings{
            this->deviceModel(), Device::NodePath{n}, settings});
        return true;
      }
    }
  }

  return false;
}

bool DeviceExplorerModel::setHeaderData(int, Qt::Orientation, const QVariant&, int)
{
  return false; // we prevent editing the (column) headers
}

/**
 * @brief DeviceExplorerModel::editData
 *
 * This functions gets called by the command
 * that edit the columns.
 */
void DeviceExplorerModel::editData(
    const Device::NodePath& path, Explorer::Column column, const ossia::value& value,
    int role)
{
  Device::Node* node = path.toNode(&rootNode());
  editData(*node, column, value, role);
}

void DeviceExplorerModel::editData(
    Device::Node& node, Column column, const ossia::value& value, int role)
{
  SCORE_ASSERT(node.parent());

  if(node.is<Device::DeviceSettings>())
    return;

  if(role == Qt::EditRole && column == Column::Value)
  {
    node.get<Device::AddressSettings>().value = value;
  }

  const QModelIndex index = modelIndexFromNode(node, (int)column);
  dataChanged(index, index);
}

QModelIndex DeviceExplorerModel::bottomIndex(const QModelIndex& index) const
{
  auto& node = nodeFromModelIndex(index);

  if(!node.hasChildren())
  {
    return index;
  }

  return bottomIndex(createIndex(
      node.childCount() - 1, index.column(), &node.childAt(node.childCount() - 1)));
}

bool DeviceExplorerModel::isDevice(QModelIndex index) const
{
  if(!index.isValid())
  {
    return false;
  }

  const Device::Node& n = nodeFromModelIndex(index);
  return n.is<Device::DeviceSettings>();
}

bool DeviceExplorerModel::isEmpty() const
{
  return m_rootNode.childCount() == 0;
}

/*
Drag and drop works by deleting the dragged items and creating a new set of
dropped items that match those dragged.
I will/may call insertRows(), removeRows(), dropMimeData(), ...
We define two MimeTypes : address and device.
It allows to distinguish whether we are drag'n dropping devices or addresses.
 */

Qt::DropActions DeviceExplorerModel::supportedDropActions() const
{
  return (Qt::CopyAction);
}

// Default supportedDragActions() implementation returns
// supportedDropActions().

Qt::DropActions DeviceExplorerModel::supportedDragActions() const
{
  return (Qt::CopyAction);
}

QStringList DeviceExplorerModel::mimeTypes() const
{
  return {score::mime::device(), score::mime::address()};
}

SelectedNodes
DeviceExplorerModel::uniqueSelectedNodes(const QModelIndexList& indexes) const
{
  SelectedNodes nodes;
  ossia::transform(
      indexes, std::back_inserter(nodes.parents),
      [&](const QModelIndex& idx) { return &nodeFromModelIndex(idx); });

  ossia::remove_erase(nodes.parents, &m_rootNode);

  nodes.messages.reserve(nodes.messages.size() + nodes.parents.size());
  if(nodes.parents.size() > 1)
  {
    // Filter messages
    for(auto node : nodes.parents)
    {
      if(node->is<Device::AddressSettings>())
      {
        auto& val = node->get<Device::AddressSettings>();
        if(val.ioType == ossia::access_mode::SET)
        {
          nodes.messages.push_back(node);
        }
      }
    }

    // Filter parents
    nodes.parents = filterUniqueParents(nodes.parents);
  }
  else if(nodes.parents.size() == 1)
  {
    Device::Node* node = nodes.parents[0];
    if(node->is<Device::AddressSettings>() && node->childCount() == 0)
    {
      // If a single node is selected we copy it even if it is "get"
      nodes.messages = std::move(nodes.parents);
    }
  }

  return nodes;
}
// method called when a drag is initiated
QMimeData* DeviceExplorerModel::mimeData(const QModelIndexList& indexes) const
{
  auto uniqueNodes = uniqueSelectedNodes(indexes);

  // Handle case of a single device which can have custom mimeData
  if(uniqueNodes.parents.size() == 1
     && uniqueNodes.parents[0]->is<Device::DeviceSettings>())
  {
    auto node = uniqueNodes.parents[0];
    if(node->is<Device::DeviceSettings>())
    {
      auto& dev = deviceModel().list().device(node->get<Device::DeviceSettings>().name);
      if(auto d = dev.mimeData())
        return d;
    }
  }

  auto mimeData = new QMimeData;

  // Now we request an update to the device explorer.
  m_devicePlugin.updateProxy.refreshRemoteValues(uniqueNodes.parents);

  // The "MessagesList" part.
  State::MessageList messages;
  messages.reserve(uniqueNodes.parents.size() + uniqueNodes.messages.size());
  for(const auto& node : uniqueNodes.parents)
  {
    Device::parametersList(*node, messages);
  }

  for(const auto& node : uniqueNodes.messages)
  {
    messages.push_back(Device::message(*node));
  }

  if(!messages.empty())
  {
    Mime<State::MessageList>::Serializer s{*mimeData};
    s.serialize(messages);
  }

  // The "Nodes" part. Deserialize with FreeNodeList to get the addresses.
  {
    Mime<Device::NodeList>::Serializer s{*mimeData};
    Device::NodeList vec;
    vec.reserve(uniqueNodes.parents.size() + uniqueNodes.messages.size());
    vec.insert(vec.end(), uniqueNodes.parents.begin(), uniqueNodes.parents.end());
    vec.insert(vec.end(), uniqueNodes.messages.begin(), uniqueNodes.messages.end());
    s.serialize(vec);
  }

  if(messages.empty() && uniqueNodes.parents.empty() && uniqueNodes.messages.empty())
  {
    delete mimeData;
    return nullptr;
  }

  return mimeData;
}

bool DeviceExplorerModel::canDropMimeData(
    const QMimeData* mimeData, Qt::DropAction action, int /*row*/, int /*column*/,
    const QModelIndex& parent) const
{
  if(action == Qt::IgnoreAction)
  {
    return true;
  }

  if(action != Qt::MoveAction && action != Qt::CopyAction)
  {
    return false;
  }

  if(!mimeData
     || (!mimeData->hasFormat(score::mime::device())
         && !mimeData->hasFormat(score::mime::address())))
  {
    return false;
  }

  const Device::Node& parentNode = nodeFromModelIndex(parent);

  if(mimeData->hasFormat(score::mime::address()))
  {
    if(&parentNode == &m_rootNode)
    {
      return false;
    }
  }
  else
  {
    SCORE_ASSERT(mimeData->hasFormat(score::mime::device()));

    if(&parentNode != &m_rootNode)
    {
      return false;
    }
  }

  return true;
}

// method called when a drop occurs
// return true if drop really handled, false otherwise.
//
// if dropMimeData returns true && action==Qt::MoveAction, removeRows is called
// immediately after
bool DeviceExplorerModel::dropMimeData(
    const QMimeData* mimeData, Qt::DropAction action, int row, int column,
    const QModelIndex& parent)
{
  if(action == Qt::IgnoreAction)
  {
    return true;
  }

  if(action != Qt::MoveAction && action != Qt::CopyAction)
  {
    return false;
  }

  if(!mimeData
     || (!mimeData->hasFormat(score::mime::device())
         && !mimeData->hasFormat(score::mime::address())))
  {
    return false;
  }

  QModelIndex parentIndex; // invalid
  Device::Node* parentNode = &m_rootNode;
  QString mimeType = score::mime::device();

  if(mimeData->hasFormat(score::mime::address()))
  {
    parentIndex = parent;
    parentNode = &nodeFromModelIndex(parent);
    mimeType = score::mime::address();

    if(parentNode == &m_rootNode)
    {
      return false;
    }
  }
  else
  {
    SCORE_ASSERT(mimeData->hasFormat(score::mime::device()));
    SCORE_ASSERT(mimeType == score::mime::device());
  }

  if(parentNode)
  {
    // Note : when dropping a device,
    // if there is an existing device that would use the same ports, etc.
    // we have to open a dialog to change the device settings.

    const auto& json = readJson(mimeData->data(mimeType));
    JSONObject::Deserializer deser{json};
    Device::Node n;
    deser.writeTo(n);

    if(mimeType == score::mime::device())
    {
      checkAndLoadDevice(n);
    }
    return true;
  }
  return false;
}

void DeviceExplorerModel::checkAndLoadDevice(Device::Node n)
{
  SCORE_ASSERT(n.is<Device::DeviceSettings>());
  auto& deviceSettings = *n.target<Device::DeviceSettings>();

  // We ask the user to fix the incompatibilities by himself, maybe change
  // the name also.
  auto dialog = new DeviceEditDialog{
      *this, m_devicePlugin.context().app.interfaces<Device::ProtocolFactoryList>(),
      DeviceEditDialog::Creating, QApplication::activeWindow()};

  dialog->setSettings(deviceSettings);
  dialog->setBrowserEnabled(false);

  connect(
      dialog, &QDialog::accepted, this, [this, dialog, node = std::move(n)]() mutable {
        auto new_settings = dialog->getSettings();
        auto& deviceSettings = *node.target<Device::DeviceSettings>();
        deviceSettings = new_settings;
        if(!checkDeviceInstantiatable(deviceSettings))
        {
          score::warning(
              m_devicePlugin.context().app.mainWindow, "Error",
              "Could not create the device");
          dialog->deleteLater();
          return;
        }
        ossia::net::sanitize_device_name(deviceSettings.name);

        auto cmd = new Command::LoadDevice{deviceModel(), std::move(node)};
        m_cmdQ.redoAndPush(cmd);
        dialog->deleteLater();
      });
  connect(dialog, &QDialog::rejected, this, [dialog] { dialog->deleteLater(); });
  dialog->show();
}

void DeviceExplorerModel::checkAndLoadDevice(Device::DeviceSettings deviceSettings)
{
  // We ask the user to fix the incompatibilities by himself, maybe change
  // the name also.
  auto dialog = new DeviceEditDialog{
      *this, m_devicePlugin.context().app.interfaces<Device::ProtocolFactoryList>(),
      DeviceEditDialog::Creating, QApplication::activeWindow()};

  dialog->setSettings(deviceSettings);
  dialog->setBrowserEnabled(false);

  connect(dialog, &QDialog::accepted, this, [this, dialog] {
    auto node = dialog->getDevice();
    auto& deviceSettings = *node.target<Device::DeviceSettings>();
    if(!checkDeviceInstantiatable(deviceSettings))
    {
      score::warning(
          m_devicePlugin.context().app.mainWindow, "Error",
          "Could not create the device");
      dialog->deleteLater();
      return;
    }
    ossia::net::sanitize_device_name(deviceSettings.name);

    auto cmd = new Command::LoadDevice{deviceModel(), std::move(node)};
    m_cmdQ.redoAndPush(cmd);
    dialog->deleteLater();
  });
  connect(dialog, &QDialog::rejected, this, [dialog] { dialog->deleteLater(); });
  dialog->show();
}

void DeviceExplorerModel::debug_printPath(const Device::NodePath& path)
{
  const int pathSize = std::ssize(path);

  for(int i = 0; i < pathSize; ++i)
  {
    std::cerr << path.at(i) << " ";
  }

  std::cerr << "\n";
}

void DeviceExplorerModel::debug_printIndexes(const QModelIndexList& indexes)
{
  std::cerr << "indexes: " << indexes.size() << " nodes: \n";
  Q_FOREACH(const QModelIndex& index, indexes)
  {
    if(index.isValid())
    {
      std::cerr << " index.row=" << index.row() << " col=" << index.column() << " ";
      Device::Node* n = &nodeFromModelIndex(index);
      std::cerr << " n=" << n << " ";
      Device::Node* parent = n->parent();

      if(n == &m_rootNode)
      {
        std::cerr << " rootNode parent=" << parent << "\n";
      }
      else
      {
        std::cerr << " n->name=" << n->displayName().toStdString();
        std::cerr << " parent=" << parent;
        std::cerr << " parent->name=" << parent->displayName().toStdString() << "\n";
      }
    }
    else
    {
      std::cerr << " invalid index \n";
    }
  }
}

State::MessageList getSelectionSnapshot(DeviceExplorerModel& model)
{
  // Filter
  auto uniqueNodes = model.uniqueSelectedNodes(model.selectedIndexes());

  // Recursive refresh
  model.deviceModel().updateProxy.refreshRemoteValues(uniqueNodes.parents);

  // Conversion
  State::MessageList messages;
  messages.reserve(uniqueNodes.parents.size() + uniqueNodes.messages.size());
  for(const auto& node : uniqueNodes.parents)
  {
    Device::parametersList(*node, messages);
  }
  for(const auto& node : uniqueNodes.messages)
  {
    messages.push_back(Device::message(*node));
  }

  return messages;
}

DeviceExplorerModel* try_deviceExplorerFromObject(const QObject& obj)
{
  auto plug = score::IDocument::documentContext(obj).findPlugin<DeviceDocumentPlugin>();
  if(plug)
    return &plug->explorer();
  return nullptr;
}

DeviceExplorerModel& deviceExplorerFromObject(const QObject& obj)
{
  auto expl = try_deviceExplorerFromObject(obj);
  SCORE_ASSERT(expl);
  return *expl;
}

DeviceExplorerModel* try_deviceExplorerFromContext(const score::DocumentContext& ctx)
{
  auto plug = ctx.findPlugin<DeviceDocumentPlugin>();
  if(plug)
    return &plug->explorer();
  return nullptr;
}

DeviceExplorerModel& deviceExplorerFromContext(const score::DocumentContext& ctx)
{
  auto expl = try_deviceExplorerFromContext(ctx);
  SCORE_ASSERT(expl);
  return *expl;
}

Device::FullAddressAccessorSettings makeFullAddressAccessorSettings(
    const State::AddressAccessor& addr, const score::DocumentContext& ctx,
    ossia::value min, ossia::value max, ossia::value val)
{
  // First try to find if there is a matching address
  // in the device explorer
  auto deviceexplorer = Explorer::try_deviceExplorerFromContext(ctx);
  if(deviceexplorer)
  {
    return Device::makeFullAddressAccessorSettings(
        addr, *deviceexplorer, std::move(min), std::move(max), std::move(val));
  }

  // If there is none, build with some default settings
  Device::FullAddressAccessorSettings s;
  s.address = addr;
  s.value = std::move(val);
  s.domain = ossia::make_domain(std::move(min), std::move(max));
  return s;
}
}

ossia / score / 32671464175

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