dbe::models::tree Class Reference

#include <tree.hpp>

Inheritance diagram for dbe::models::tree:

Collaboration diagram for dbe::models::tree:

Public Types
typedef dbe::treenode	type_datum

Signals
void	ObjectFile (QString)

Public Member Functions
	~tree ()
	tree (const QStringList &Headers, QObject *parent=nullptr)
type_index	index (int row, int column, const type_index &parent) const override
type_index	parent (const type_index &child) const override
type_index	mapToSource (type_index const &i)
int	rowCount (const type_index &parent) const override
int	columnCount (const type_index &parent) const override
Qt::ItemFlags	flags (const type_index &index) const override
QVariant	data (const type_index &index, int role=Qt::DisplayRole) const override
QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override
bool	insertRows (int position, int rows, const type_index &parent) override
void	fetchMore (const type_index &parent) override
bool	canFetchMore (const type_index &parent) const override
bool	hasChildren (const type_index &parent) const override
bool	setData (const type_index &index, const QVariant &value, int role) override
QStringList	mimeTypes () const override
QMimeData *	mimeData (const QModelIndexList &indexes) const override
type_datum *	getnode (const type_index &index) const override
type_index	getindex (treenode *NodeItem, type_index const &RootIndex=QModelIndex()) const
void	ResetModel ()
void	objectsUpdated (const std::vector< dbe::dref > &objects)
Public Member Functions inherited from dbe::TreeModelInterface
virtual treenode *	getnode (const QModelIndex &index) const =0
virtual	~TreeModelInterface ()=default
Public Member Functions inherited from dbe::model_common_impl< tree >
bool	delete_objects (type_indices::iterator, type_indices::iterator) override
bool	update_objects (type_indices::iterator, type_indices::iterator) override
bool	create_objects (type_indices::iterator, type_indices::iterator) override
Public Member Functions inherited from dbe::model_common_interface
virtual	~model_common_interface ()=default
Public Member Functions inherited from dbe::model_initiate_actions_interface
virtual	~model_initiate_actions_interface ()=default
Public Member Functions inherited from dbe::model_common_data_access_interface
virtual type_object_ref	getobject (type_index const &index) const =0
virtual type_class_info	getclass (type_index const &index) const =0
virtual QAbstractItemModel *	ReturnSourceModel () const =0
virtual	~model_common_data_access_interface ()=default
Public Member Functions inherited from dbe::model_common_async_operations< tree >
MODEL_COMMON_TYPES_TOPLEVEL_DEFINITIONS	model_common_async_operations ()
void	model_common_connections ()

Private Slots
void	ToggleAbstractClassesSelectable (bool)
void	slot_create_object (QString const &src, dref const &obj)
void	slot_remove_object (QString const &src, dref const &obj)
void	slot_update_object (QString const &src, dref const &obj)
void	slot_rename_object (QString const &src, dref const &obj)

Private Attributes
bool	abstract_classes_selectable

Additional Inherited Members
Protected Member Functions inherited from dbe::model_common_interface
virtual void	remove_deleted_object (type_index const &index)=0
virtual void	rename_contained_object (type_index const &index, type_object_info const &obj)=0
virtual void	update_contained_object (type_index const &index, type_object_info const &obj)=0
virtual void	create_contained_object (type_index const &index, type_object_info const &obj)=0
virtual type_index	lookup (type_object_info const &)=0
QUuid	getuuid () const
Protected Member Functions inherited from dbe::model_common_async_operations< tree >
void	remove_object (type_object_info const &)
void	create_object (type_object_info const &)
void	rename_object (type_object_info const &)
void	update_object (type_object_info const &)
void	update_multiple_objects (std::vector< type_object_info > const &)

Detailed Description

Definition at line 24 of file tree.hpp.

Member Typedef Documentation

type_datum

typedef dbe::treenode dbe::models::tree::type_datum

Definition at line 35 of file tree.hpp.

Constructor & Destructor Documentation

~tree()

dbe::models::tree::~tree

(

)

Definition at line 32 of file tree.cpp.

{}

tree()

dbe::models::tree::tree ( const QStringList & Headers, QObject * parent = nullptr )

explicit

Definition at line 19 of file tree.cpp.

  : QAbstractItemModel(parent)
  , abstract_classes_selectable(false)
{
  confaccessor::gethandler()->root = new dbe::treenode(Headers);
 
  for (std::string const& aclass : dbe::config::api::info::onclass::allnames<std::vector<std::string>>()) {
    new ClassNode(dbe::config::api::info::onclass::definition(aclass, false), confaccessor::gethandler()->root);
  }
 
  model_common_connections();
}

Member Function Documentation

canFetchMore()

bool dbe::models::tree::canFetchMore ( const type_index & parent ) const

override

Definition at line 197 of file tree.cpp.

{
  if (parent.isValid()) {
    treenode* ParentNode = getnode(parent);
    return (!ParentNode->GetWasFetched());
  }
 
  return false;
}

columnCount()

int dbe::models::tree::columnCount ( const type_index & parent ) const

override

Definition at line 76 of file tree.cpp.

{
  if (parent.isValid()) {
    dbe::treenode* DataNode = getnode(parent);
 
    return DataNode->ColumnCount();
  } else {
    return confaccessor::gethandler()->root->ColumnCount();
  }
}

data()

QVariant dbe::models::tree::data ( const type_index & index, int role = Qt::DisplayRole ) const

override

Definition at line 106 of file tree.cpp.

{
  if (index.isValid()) {
    switch (role) {
      case Qt::ForegroundRole:
        if (ObjectNode* onode = dynamic_cast<ObjectNode*>(getnode(index))) {
          try {
            tref const& obj = onode->GetObject();
 
            if (confaccessor::check_file_rw(QString::fromStdString(obj.contained_in()))) {
              return QVariant(StyleUtility::ObjectForeground);
            } else {
              return QVariant(StyleUtility::FileReadOnlyForeground);
            }
          } catch (daq::dbe::config_object_retrieval_result_is_null const& e) {
            // nothing to do the onode refers to a removed object and has not yet been removed
            return QVariant();
          }
        }
 
        break;
 
      case Qt::BackgroundRole:
        if (ObjectNode* onode = dynamic_cast<ObjectNode*>(getnode(index))) {
          try {
            tref const& obj = onode->GetObject();
 
            if (confaccessor::check_file_rw(QString::fromStdString(obj.contained_in()))) {
              return QVariant(StyleUtility::ObjectBackground);
            } else {
              return QVariant(StyleUtility::FileReadOnlyBackground);
            }
          } catch (daq::dbe::config_object_retrieval_result_is_null const& e) {
            // nothing to do the onode refers to a removed object and has not yet been removed
            return QVariant();
          }
        }
 
        break;
 
      case Qt::ToolTipRole:
        if (auto cnode = dynamic_cast<ClassNode*>(getnode(index))) {
          return cnode->GetData(index.column(), role);
        }
        break;
 
      case Qt::DisplayRole:
      case Qt::DecorationRole:
        return getnode(index)->GetData(index.column(), role);
    }
  }
 
  return QVariant();
}

fetchMore()

void dbe::models::tree::fetchMore ( const type_index & parent )

override

Definition at line 208 of file tree.cpp.

{
  if (parent.isValid()) {
    treenode* ParentNode = getnode(parent);
 
    if (!ParentNode->GetWasFetched()) {
      insertRows(0, 0, parent);
      ParentNode->SetWasFetched(true);
    }
  }
}

flags()

Qt::ItemFlags dbe::models::tree::flags ( const type_index & index ) const

override

Definition at line 88 of file tree.cpp.

{
  treenode* node = getnode(index);
 
  if (ClassNode* classnode = dynamic_cast<ClassNode*>(node)) {
    dunedaq::conffwk::class_t classinfo = classnode->GetClassInfo();
 
    if (classinfo.p_abstract) {
      return abstract_classes_selectable ? (Qt::ItemIsEnabled | Qt::ItemIsSelectable) : (Qt::ItemIsSelectable);
    } else {
      return (Qt::ItemIsEnabled | Qt::ItemIsSelectable);
    }
  }
 
  return (Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled);
}

getindex()

QModelIndex dbe::models::tree::getindex	(	treenode *	NodeItem,
		type_index const &	RootIndex = QModelIndex() ) const

Definition at line 278 of file tree.cpp.

{
  for (int i = 0; i < rowCount(RootIndex); ++i) {
    QModelIndex ChildIndex = index(i, 0, RootIndex);
    treenode* ChildNode = getnode(ChildIndex);
 
    if (NodeItem == ChildNode) {
      return ChildIndex;
    }
 
    QModelIndex ChildChildIndex = getindex(NodeItem, ChildIndex);
 
    if (ChildChildIndex.isValid()) {
      return ChildChildIndex;
    }
  }
 
  return QModelIndex();
}

getnode()

dbe::models::tree::type_datum * dbe::models::tree::getnode ( const type_index & index ) const

override

Definition at line 306 of file tree.cpp.

{
  if (index.isValid()) {
    return static_cast<treenode*>(index.internalPointer());
  }
 
  return confaccessor::gethandler()->root;
}

hasChildren()

bool dbe::models::tree::hasChildren ( const type_index & parent ) const

override

Definition at line 221 of file tree.cpp.

{
  if (parent.isValid()) {
    treenode* ParentNode = getnode(parent);
    return (ParentNode->GetHasStructure());
  }
 
  return true;
}

headerData()

QVariant dbe::models::tree::headerData ( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const

override

Definition at line 162 of file tree.cpp.

{
  if ((orientation == Qt::Horizontal) && (role == Qt::DisplayRole)) {
    return confaccessor::gethandler()->root->GetData(section);
  }
 
  return QVariant();
}

index()

dbe::models::tree::type_index dbe::models::tree::index ( int row, int column, const type_index & parent ) const

override

Definition at line 35 of file tree.cpp.

{
  // This is standard qt implementation for a tree mode;
  dbe::treenode* up{ parent.isValid() ? getnode(parent) : confaccessor::gethandler()->root };
 
  if (dbe::treenode* down = up->GetChild(row)) {
    return createIndex(row, column, down);
  } else {
    return QModelIndex();
  }
}

insertRows()

bool dbe::models::tree::insertRows ( int position, int rows, const type_index & parent )

override

Definition at line 172 of file tree.cpp.

{
  if (ClassNode* onode = dynamic_cast<ClassNode*>(getnode(parent))) {
    rows = onode->ChildCount();
 
    beginInsertRows(parent, position, position + rows - 1);
 
    std::string const& classname = onode->GetData(static_cast<int>(tablepositions::classname)).toString().toStdString();
 
    std::vector<tref> const& objects = config::api::info::onclass::objects(classname, false);
 
    for (auto const& i : objects) {
      new ObjectNode(i, false, onode);
      emit ObjectFile(QString::fromStdString(i.contained_in()));
    }
 
    endInsertRows();
 
    return true;
  } else {
    return false;
  }
}

mapToSource()

type_index dbe::models::tree::mapToSource ( type_index const & i )

inline

Definition at line 45 of file tree.hpp.

{ return i; }

mimeData()

QMimeData * dbe::models::tree::mimeData ( const QModelIndexList & indexes ) const

override

Definition at line 250 of file tree.cpp.

{
  QMimeData* mimeData = new QMimeData();
  QByteArray encodedData;
 
  QDataStream stream(&encodedData, QIODevice::WriteOnly);
 
  foreach (QModelIndex index, indexes) {
    if (index.isValid() && index.column() == 0) {
      QStringList Text;
      treenode* NodeObject = getnode(index);
 
      tref Object = NodeObject->GetObject();
      QString ObjectUid = QString::fromStdString(Object.UID());
      QString ObjectClassName = QString::fromStdString(Object.class_name());
 
      Text.append(ObjectUid);
      Text.append(ObjectClassName);
 
      stream << Text;
    }
  }
 
  mimeData->setData("application/vnd.text.list", encodedData);
  return mimeData;
}

mimeTypes()

QStringList dbe::models::tree::mimeTypes ( ) const

override

Definition at line 242 of file tree.cpp.

{
  QStringList types;
  types << "application/vnd.text.list";
  return types;
}

ObjectFile

void dbe::models::tree::ObjectFile ( QString )

signal

objectsUpdated()

void dbe::models::tree::objectsUpdated

(

const std::vector< dbe::dref > &

objects

)

Definition at line 370 of file tree.cpp.

{
  update_multiple_objects(objects);
}

parent()

dbe::models::tree::type_index dbe::models::tree::parent ( const type_index & child ) const

override

Definition at line 48 of file tree.cpp.

{
  if (child.isValid()) {
    dbe::treenode* up = getnode(child)->GetParent();
 
    if (up != confaccessor::gethandler()->root) {
      return createIndex(up->GetRow(), 0, up);
    }
  }
 
  return QModelIndex();
}

ResetModel()

void dbe::models::tree::ResetModel

(

)

Definition at line 299 of file tree.cpp.

{
  beginResetModel();
  endResetModel();
}

rowCount()

int dbe::models::tree::rowCount ( const type_index & parent ) const

override

Definition at line 62 of file tree.cpp.

{
  dbe::treenode* ParentNode;
 
  if (!parent.isValid()) {
    ParentNode = confaccessor::gethandler()->getnode();
  } else {
    ParentNode = getnode(parent);
  }
 
  return ParentNode->ChildCount();
}

setData()

bool dbe::models::tree::setData ( const type_index & index, const QVariant & value, int role )

override

Definition at line 232 of file tree.cpp.

{
  Q_UNUSED(index)
  Q_UNUSED(value)
  Q_UNUSED(role)
 
  return true;
}

slot_create_object

void dbe::models::tree::slot_create_object ( QString const & src, dref const & obj )

privateslot

slot_remove_object

void dbe::models::tree::slot_remove_object ( QString const & src, dref const & obj )

privateslot

slot_rename_object

void dbe::models::tree::slot_rename_object ( QString const & src, dref const & obj )

privateslot

slot_update_object

void dbe::models::tree::slot_update_object ( QString const & src, dref const & obj )

privateslot

ToggleAbstractClassesSelectable

void dbe::models::tree::ToggleAbstractClassesSelectable ( bool val )

privateslot

Definition at line 363 of file tree.cpp.

{
  abstract_classes_selectable = val;
  ResetModel();
}

Member Data Documentation

abstract_classes_selectable

bool dbe::models::tree::abstract_classes_selectable

private

Definition at line 83 of file tree.hpp.

---

The documentation for this class was generated from the following files:

• /github/workspace/dunedaq/sourcecode/dbe/include/dbe/tree.hpp
• /github/workspace/dunedaq/sourcecode/dbe/src/structure/tree.cpp