+// Copyright (C) 2014-2017 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
+
#include "XGUI_DataModel.h"
+#include "XGUI_Workshop.h"
+#include "XGUI_ObjectsBrowser.h"
+#include "XGUI_Displayer.h"
+
+#include <ModuleBase_IconFactory.h>
+
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Events.h>
+#include <ModelAPI_ResultParameter.h>
+#include <ModelAPI_AttributeDouble.h>
+#include <ModelAPI_ResultPart.h>
+#include <ModelAPI_Feature.h>
+#include <ModelAPI_CompositeFeature.h>
+#include <ModelAPI_ResultCompSolid.h>
+#include <ModelAPI_ResultField.h>
+#include <ModelAPI_Tools.h>
+#include <ModelAPI_Folder.h>
+#include <ModelAPI_AttributeReference.h>
+
+#include <Config_FeatureMessage.h>
+#include <Config_DataModelReader.h>
+
+#include <Events_Loop.h>
+
+#include <QIcon>
+#include <QBrush>
+
+#define ACTIVE_COLOR QColor(Qt::black)
+//#define ACTIVE_COLOR QColor(0,72,140)
+//#define PASSIVE_COLOR Qt::black
+
+/// Returns ResultPart object if the given object is a Part feature
+/// Otherwise returns NULL
+
+#define SELECTABLE_COLOR QColor(80, 80, 80)
+#define DISABLED_COLOR QColor(200, 200, 200)
-XGUI_DataModel::XGUI_DataModel(QObject* theParent)
- : QAbstractItemModel(theParent)
+ResultPartPtr getPartResult(ModelAPI_Object* theObj)
{
+ ModelAPI_Feature* aFeature = dynamic_cast<ModelAPI_Feature*>(theObj);
+ if (aFeature) {
+ ResultPtr aRes = aFeature->firstResult();
+ if (aRes.get() && (aRes->groupName() == ModelAPI_ResultPart::group())) {
+ ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aRes);
+ // Use only original parts, not a placement results
+ if (aPartRes == aPartRes->original())
+ return aPartRes;
+ }
+ }
+ return ResultPartPtr();
}
+/// Returns pointer on document if the given object is document object
+ModelAPI_Document* getSubDocument(void* theObj)
+{
+ ModelAPI_Document* aDoc = 0;
+ try {
+ aDoc = dynamic_cast<ModelAPI_Document*>((ModelAPI_Entity*)theObj);
+ } catch(...) {}
+ return aDoc;
+}
+
+
+
+
+// Constructor *************************************************
+XGUI_DataModel::XGUI_DataModel(QObject* theParent) : QAbstractItemModel(theParent)//,
+ //myIsEventsProcessingBlocked(false)
+{
+ XGUI_ObjectsBrowser* aOB = qobject_cast<XGUI_ObjectsBrowser*>(theParent);
+ myWorkshop = aOB->workshop();
+
+ Events_Loop* aLoop = Events_Loop::loop();
+ aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_CREATED));
+ aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_DELETED));
+ aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
+ aLoop->registerListener(this, Events_Loop::eventByName(EVENT_ORDER_UPDATED));
+ aLoop->registerListener(this, Events_Loop::eventByName(EVENT_DOCUMENT_CHANGED));
+}
XGUI_DataModel::~XGUI_DataModel()
{
+ clear();
+}
+
+//******************************************************
+void XGUI_DataModel::processEvent(const std::shared_ptr<Events_Message>& theMessage)
+{
+ //if (myIsEventsProcessingBlocked)
+ // return;
+ DocumentPtr aRootDoc = ModelAPI_Session::get()->moduleDocument();
+ std::string aRootType = myXMLReader->rootType();
+ std::string aSubType = myXMLReader->subType();
+ int aNbFolders = foldersCount();
+
+ // Created object event *******************
+ if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)) {
+ std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
+ std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
+ std::set<ObjectPtr> aObjects = aUpdMsg->objects();
+
+ std::set<ObjectPtr>::const_iterator aIt;
+ std::string aObjType;
+ for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
+ ObjectPtr aObject = (*aIt);
+ // We do not show objects which does not need to be shown in object browser
+ if (!aObject->isInHistory())
+ continue;
+
+ aObjType = aObject->groupName();
+ DocumentPtr aDoc = aObject->document();
+ if (aDoc == aRootDoc) {
+ // Check that new folders could appear
+ QStringList aNotEmptyFolders = listOfShowNotEmptyFolders();
+ foreach (QString aNotEmptyFolder, aNotEmptyFolders) {
+ if ((aNotEmptyFolder.toStdString() == aObjType) && (aRootDoc->size(aObjType) > 0)) {
+ // Appears first object in folder which can not be shown empty
+ if (!hasShownFolder(aRootDoc, aNotEmptyFolder)) {
+ insertRow(myXMLReader->rootFolderId(aObjType));
+ addShownFolder(aRootDoc, aNotEmptyFolder);
+ }
+ }
+ }
+ // Insert new object
+ int aRow = aRootDoc->size(aObjType) - 1;
+ if (aRow != -1) {
+ if ((aObjType == aRootType) || (aObjType == ModelAPI_Folder::group())) {
+ insertRow(aRow + aNbFolders + 1);
+ } else {
+ int aFolderId = myXMLReader->rootFolderId(aObjType);
+ if (aFolderId != -1) {
+ insertRow(aRow, createIndex(aFolderId, 0, (void*)Q_NULLPTR));
+ }
+ }
+ }
+ } else {
+ // Object created in sub-document
+ QModelIndex aDocRoot = findDocumentRootIndex(aDoc.get(), 0);
+ if (aDocRoot.isValid()) {
+ // Check that new folders could appear
+ QStringList aNotEmptyFolders = listOfShowNotEmptyFolders(false);
+ foreach (QString aNotEmptyFolder, aNotEmptyFolders) {
+ if ((aNotEmptyFolder.toStdString() == aObjType) && (aDoc->size(aObjType) > 0)) {
+ // Appears first object in folder which can not be shown empty
+ if (!hasShownFolder(aDoc, aNotEmptyFolder)) {
+ insertRow(myXMLReader->subFolderId(aObjType), aDocRoot);
+ addShownFolder(aDoc, aNotEmptyFolder);
+ }
+ }
+ }
+ int aRow = aDoc->index(aObject, true);
+ if (aRow != -1) {
+ int aNbSubFolders = foldersCount(aDoc.get());
+ if ((aObjType == aSubType) || (aObjType == ModelAPI_Folder::group())) {
+ // List of objects under document root
+ insertRow(aRow + aNbSubFolders, aDocRoot);
+ } else {
+ // List of objects under a folder
+ if (aRow != -1) {
+ int aFolderId = folderId(aObjType, aDoc.get());
+ if (aFolderId != -1) {
+ QModelIndex aParentFolder = createIndex(aFolderId, 0, aDoc.get());
+ insertRow(aRow, aParentFolder);
+ emit dataChanged(aParentFolder, aParentFolder);
+ }
+ }
+ }
+ } else {
+ rebuildDataTree();
+ break;
+ }
+ } else {
+ rebuildDataTree();
+ break;
+ }
+ }
+ }
+ // Deleted object event ***********************
+ } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
+ std::shared_ptr<ModelAPI_ObjectDeletedMessage> aUpdMsg =
+ std::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
+ DocumentPtr aDoc = aUpdMsg->document();
+ std::set<std::string> aMsgGroups = aUpdMsg->groups();
+
+ /// Sort groups because RootType deletion has to be done after others
+ std::string aType = (aDoc == aRootDoc)? aRootType : aSubType;
+ std::list<std::string> aGroups;
+ std::set<std::string>::const_iterator aSetIt;
+ for (aSetIt = aMsgGroups.begin(); aSetIt != aMsgGroups.end(); ++aSetIt) {
+ std::string aGroup = (*aSetIt);
+ if (aGroup == aType)
+ aGroups.push_back(aGroup);
+ else
+ aGroups.push_front(aGroup);
+ }
+
+ std::list<std::string>::const_iterator aIt;
+ for (aIt = aGroups.begin(); aIt != aGroups.end(); ++aIt) {
+ std::string aGroup = (*aIt);
+ if (aDoc == aRootDoc) { // If root objects
+ int aRow = aRootDoc->size(aGroup, true);
+ if ((aGroup == aRootType) || (aGroup == ModelAPI_Folder::group())) {
+ // Process root folder
+ removeRow(aRow + aNbFolders);
+ rebuildBranch(aNbFolders, aRow);
+ } else {
+ // Process root sub-folder
+ int aFolderId = myXMLReader->rootFolderId(aGroup);
+ if (aFolderId != -1) {
+ QModelIndex aFolderIndex = createIndex(aFolderId, 0, (void*)Q_NULLPTR);
+ removeRow(aRow, aFolderIndex);
+ //rebuildBranch(0, aRow);
+ }
+ }
+ // Check that some folders could erased
+ QStringList aNotEmptyFolders = listOfShowNotEmptyFolders();
+ foreach (QString aNotEmptyFolder, aNotEmptyFolders) {
+ if ((aNotEmptyFolder.toStdString() == aGroup) && (aRootDoc->size(aGroup, true) == 0)) {
+ // Appears first object in folder which can not be shown empty
+ removeRow(myXMLReader->rootFolderId(aGroup));
+ removeShownFolder(aRootDoc, aNotEmptyFolder);
+ //rebuildBranch(0, aNbFolders + aDoc->size(myXMLReader->rootType()));
+ break;
+ }
+ }
+ } else {
+ // Remove row for sub-document
+ QModelIndex aDocRoot = findDocumentRootIndex(aDoc.get(), 0);
+ if (aDocRoot.isValid()) {
+ int aRow = aDoc->size(aGroup, true);
+ int aNbSubFolders = foldersCount(aDoc.get());
+ if ((aGroup == aSubType) || (aGroup == ModelAPI_Folder::group())) {
+ // List of objects under document root
+ removeRow(aRow + aNbSubFolders, aDocRoot);
+ rebuildBranch(aNbSubFolders, aRow, aDocRoot);
+ } else {
+ // List of objects under a folder
+ int aFolderId = folderId(aGroup, aDoc.get());
+ if (aFolderId != -1) {
+ QModelIndex aFolderRoot = createIndex(aFolderId, 0, aDoc.get());
+ removeRow(aRow, aFolderRoot);
+ //rebuildBranch(0, aRow, aFolderRoot);
+ }
+ }
+ // Check that some folders could disappear
+ QStringList aNotEmptyFolders = listOfShowNotEmptyFolders(false);
+ int aSize = aDoc->size(aGroup, true);
+ foreach (QString aNotEmptyFolder, aNotEmptyFolders) {
+ if ((aNotEmptyFolder.toStdString() == aGroup) && (aSize == 0)) {
+ // Appears first object in folder which can not be shown empty
+ removeRow(myXMLReader->subFolderId(aGroup), aDocRoot);
+ removeShownFolder(aDoc, aNotEmptyFolder);
+ //rebuildBranch(0, aNbSubFolders + aDoc->size(myXMLReader->subType()), aDocRoot);
+ break;
+ }
+ }
+ } else {
+ rebuildDataTree();
+ break;
+ }
+ }
+ }
+ } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
+ std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
+ std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
+ std::set<ObjectPtr> aObjects = aUpdMsg->objects();
+
+ std::set<ObjectPtr>::const_iterator aIt;
+ for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
+ ObjectPtr aObject = (*aIt);
+ if (aObject->data()->isValid()) {
+ FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
+ if (aFeature.get() && aFeature->firstResult().get()
+ && (aFeature->firstResult()->groupName() == ModelAPI_ResultField::group())) {
+ ResultFieldPtr aResult =
+ std::dynamic_pointer_cast<ModelAPI_ResultField>(aFeature->firstResult());
+ QModelIndex aIndex = objectIndex(aResult, 0);
+ removeRows(0, aResult->stepsSize(), aIndex);
+ } else {
+ if (aObject->groupName() == ModelAPI_Folder::group()) {
+ rebuildDataTree();
+ } else {
+ QModelIndex aIndex = objectIndex(aObject, 0);
+ if (aIndex.isValid()) {
+ emit dataChanged(aIndex, aIndex);
+ }
+ }
+ }
+ } else {
+ rebuildDataTree();
+ break;
+ }
+ }
+ } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_ORDER_UPDATED)) {
+ std::shared_ptr<ModelAPI_OrderUpdatedMessage> aUpdMsg =
+ std::dynamic_pointer_cast<ModelAPI_OrderUpdatedMessage>(theMessage);
+ if (aUpdMsg->reordered().get()) {
+ DocumentPtr aDoc = aUpdMsg->reordered()->document();
+ std::string aGroup = aUpdMsg->reordered()->group();
+
+ QModelIndex aParent;
+ int aStartId = 0;
+ if (aDoc == aRootDoc) {
+ // Update a group under root
+ if (aGroup == myXMLReader->rootType()) // Update objects under root
+ aStartId = foldersCount();
+ else // Update objects in folder under root
+ aParent = createIndex(folderId(aGroup), 0, (void*)Q_NULLPTR);
+ } else {
+ // Update a sub-document
+ if (aGroup == myXMLReader->subType()) {
+ // Update sub-document root
+ aParent = findDocumentRootIndex(aDoc.get(), 0);
+ aStartId = foldersCount(aDoc.get());
+ } else
+ // update folder in sub-document
+ aParent = createIndex(folderId(aGroup, aDoc.get()), 0, aDoc.get());
+ }
+ int aChildNb = rowCount(aParent);
+ rebuildBranch(aStartId, aChildNb - aStartId, aParent);
+ } else {
+ rebuildDataTree();
+ }
+ } else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_DOCUMENT_CHANGED)) {
+ DocumentPtr aDoc = ModelAPI_Session::get()->activeDocument();
+ if (aDoc != aRootDoc) {
+ QModelIndex aDocRoot = findDocumentRootIndex(aDoc.get(), 0);
+ if (aDocRoot.isValid())
+ emit dataChanged(aDocRoot, aDocRoot);
+ else
+ // We have got a new document
+ rebuildDataTree();
+ }
+ }
+}
+
+//******************************************************
+void XGUI_DataModel::clear()
+{
+ beginResetModel();
+ endResetModel();
+}
+
+//******************************************************
+void XGUI_DataModel::rebuildDataTree()
+{
+ beginResetModel();
+ endResetModel();
+ emit treeRebuilt();
+}
+
+//******************************************************
+ObjectPtr XGUI_DataModel::object(const QModelIndex& theIndex) const
+{
+ if (theIndex.internalId() == 0) // this is a folder
+ return ObjectPtr();
+ ModelAPI_Object* aObj =
+ dynamic_cast<ModelAPI_Object*>((ModelAPI_Entity*)theIndex.internalPointer());
+ if (!aObj)
+ return ObjectPtr();
+ if (getSubDocument(aObj)) // the selected index is a folder of sub-document
+ return ObjectPtr();
+
+ return aObj->data()->owner();
+}
+
+//******************************************************
+QModelIndex XGUI_DataModel::objectIndex(const ObjectPtr theObject, int theColumn) const
+{
+ std::string aType = theObject->groupName();
+ DocumentPtr aDoc = theObject->document();
+ int aRow = aDoc->index(theObject, true);
+ if (aRow == -1) {
+ // it could be a part of complex object
+ FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObject);
+ if (aFeature.get()) {
+ CompositeFeaturePtr aCompFea = ModelAPI_Tools::compositeOwner(aFeature);
+ if (aCompFea.get()) {
+ for (int i = 0; i < aCompFea->numberOfSubs(true); i++) {
+ if (aCompFea->subFeature(i, true) == theObject) {
+ aRow = i;
+ break;
+ }
+ }
+ }
+ int aFRow = -1;
+ FolderPtr aFolder = aDoc->findContainingFolder(aFeature, aFRow);
+ if (aFolder.get())
+ aRow = aFRow;
+ } else {
+ ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
+ if (aResult.get()) {
+ ResultCompSolidPtr aCompRes = ModelAPI_Tools::compSolidOwner(aResult);
+ if (aCompRes.get()) {
+ aRow = ModelAPI_Tools::compSolidIndex(aResult);
+ }
+ }
+ }
+ if (aRow == -1)
+ return QModelIndex();
+ else
+ return createIndex(aRow, theColumn, theObject.get());
+ }
+ SessionPtr aSession = ModelAPI_Session::get();
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+ if (aDoc == aRootDoc &&
+ ((myXMLReader->rootType() == aType) || (aType == ModelAPI_Folder::group()))) {
+ // The object from root document
+ aRow += foldersCount();
+ } else if ((myXMLReader->subType() == aType) || (aType == ModelAPI_Folder::group())) {
+ // The object from sub document
+ aRow += foldersCount(aDoc.get());
+ }
+ return createIndex(aRow, theColumn, theObject.get());
+}
+
+//******************************************************
+QVariant XGUI_DataModel::data(const QModelIndex& theIndex, int theRole) const
+{
+ SessionPtr aSession = ModelAPI_Session::get();
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+ int aNbFolders = foldersCount();
+ int theIndexRow = theIndex.row();
+
+ if (theRole == Qt::DecorationRole) {
+ if (theIndex == lastHistoryIndex())
+ return QIcon(":pictures/arrow.png");
+ else if (theIndex.column() == 0) {
+ VisibilityState aState = getVisibilityState(theIndex);
+ switch (aState) {
+ case NoneState:
+ return QIcon();
+ case Visible:
+ return QIcon(":pictures/eyeopen.png");
+ case SemiVisible:
+ return QIcon(":pictures/eyemiclosed.png");
+ case Hidden:
+ return QIcon(":pictures/eyeclosed.png");
+ }
+ }
+ }
+
+ //if (theIndex.column() == 1)
+ if (theIndex.column() != 1)
+ return QVariant();
+
+ quintptr aParentId = theIndex.internalId();
+ if (aParentId == 0) { // root folders
+ switch (theRole) {
+ case Qt::DisplayRole:
+ return QString(myXMLReader->rootFolderName(theIndexRow).c_str()) +
+ QString(" (%1)").arg(rowCount(theIndex));
+ case Qt::DecorationRole:
+ return QIcon(myXMLReader->rootFolderIcon(theIndexRow).c_str());
+ case Qt::ForegroundRole:
+ {
+ Qt::ItemFlags aFlags = theIndex.flags();
+ if (aFlags == Qt::ItemFlags())
+ return QBrush(DISABLED_COLOR);
+ if (!aFlags.testFlag(Qt::ItemIsEditable))
+ return QBrush(SELECTABLE_COLOR);
+ }
+ return ACTIVE_COLOR;
+ }
+ } else { // an object or sub-document
+ if (theRole == Qt::ForegroundRole) {
+ Qt::ItemFlags aFlags = theIndex.flags();
+ if (aFlags == Qt::ItemFlags())
+ return QBrush(DISABLED_COLOR);
+ if (!aFlags.testFlag(Qt::ItemIsEditable))
+ return QBrush(SELECTABLE_COLOR);
+ return ACTIVE_COLOR;
+ }
+
+ ModelAPI_Document* aSubDoc = getSubDocument(theIndex.internalPointer());
+ if (aSubDoc) { // this is a folder of sub document
+ QIntList aMissedIdx = missedFolderIndexes(aSubDoc);
+ int aRow = theIndexRow;
+ while (aMissedIdx.contains(aRow))
+ aRow++;
+ if (aRow < myXMLReader->subFoldersNumber()) {
+ switch (theRole) {
+ case Qt::DisplayRole:
+ return QString(myXMLReader->subFolderName(aRow).c_str()) +
+ QString(" (%1)").arg(rowCount(theIndex));
+ case Qt::DecorationRole:
+ return QIcon(myXMLReader->subFolderIcon(aRow).c_str());
+ }
+ }
+ } else {
+ ObjectPtr aObj = object(theIndex);
+ if (aObj) {
+ switch (theRole) {
+ case Qt::DisplayRole:
+ {
+ if (aObj->groupName() == ModelAPI_ResultParameter::group()) {
+ ResultParameterPtr aParam = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aObj);
+ AttributeDoublePtr aValueAttribute =
+ aParam->data()->real(ModelAPI_ResultParameter::VALUE());
+ QString aVal = QString::number(aValueAttribute->value());
+ QString aTitle = QString(aObj->data()->name().c_str());
+ return aTitle + " = " + aVal;
+ }
+ QString aSuffix;
+ if (aObj->groupName() == myXMLReader->subType()) {
+ ResultPartPtr aPartRes = getPartResult(aObj.get());
+ if (aPartRes.get()) {
+ if (aPartRes->partDoc().get() == NULL)
+ aSuffix = " (Not loaded)";
+ }
+ }
+ return aObj->data()->name().c_str() + aSuffix;
+ }
+ case Qt::DecorationRole:
+ {
+ if (aObj->groupName() == ModelAPI_Folder::group())
+ return QIcon(":pictures/features_folder.png");
+ else
+ return ModuleBase_IconFactory::get()->getIcon(aObj);
+ }
+ }
+ } else {
+ switch (theRole) {
+ case Qt::DisplayRole:
+ {
+ ModelAPI_ResultField::ModelAPI_FieldStep* aStep =
+ dynamic_cast<ModelAPI_ResultField::ModelAPI_FieldStep*>
+ ((ModelAPI_Entity*)theIndex.internalPointer());
+ if (aStep) {
+ return "Step " + QString::number(aStep->id() + 1) + " " +
+ aStep->field()->textLine(aStep->id()).c_str();
+ }
+ }
+ break;
+ }
+ }
+ }
+ }
+ return QVariant();
+}
+
+//******************************************************
+QVariant XGUI_DataModel::headerData(int theSection, Qt::Orientation theOrient, int theRole) const
+{
+ return QVariant();
+}
+
+//******************************************************
+int XGUI_DataModel::rowCount(const QModelIndex& theParent) const
+{
+ SessionPtr aSession = ModelAPI_Session::get();
+ if (!aSession->hasModuleDocument())
+ return 0;
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+
+ if (!theParent.isValid()) {
+ // Return number of items in root
+ int aNbFolders = foldersCount();
+ int aNbItems = 0;
+ std::string aType = myXMLReader->rootType();
+ if (!aType.empty())
+ aNbItems = aRootDoc->size(aType, true);
+ return aNbFolders + aNbItems;
+ }
+
+ quintptr aId = theParent.internalId();
+ if (aId == 0) {
+ // this is a folder under root
+ int aParentPos = theParent.row();
+ std::string aType = myXMLReader->rootFolderType(aParentPos);
+ return aRootDoc->size(aType);
+ } else {
+ // It is an object which could have children
+ ModelAPI_Document* aDoc = getSubDocument(theParent.internalPointer());
+ if (aDoc) {
+ // a folder of sub-document
+ QIntList aMissedIdx = missedFolderIndexes(aDoc);
+ int aRow = theParent.row();
+ while (aMissedIdx.contains(aRow))
+ aRow++;
+ if (aRow < myXMLReader->subFoldersNumber()) {
+ std::string aType = myXMLReader->subFolderType(aRow);
+ return aDoc->size(aType);
+ }
+ } else {
+ ModelAPI_Object* aObj =
+ dynamic_cast<ModelAPI_Object*>((ModelAPI_Entity*)theParent.internalPointer());
+ // Check for Part feature
+ ResultPartPtr aPartRes = getPartResult(aObj);
+ if (aPartRes.get()) {
+ DocumentPtr aSubDoc = aPartRes->partDoc();
+ if (!aSubDoc.get())
+ return 0;
+
+ int aNbSubFolders = foldersCount(aSubDoc.get());
+ int aNbSubItems = 0;
+ std::string aSubType = myXMLReader->subType();
+ if (!aSubType.empty())
+ aNbSubItems = aSubDoc->size(aSubType, true);
+ return aNbSubItems + aNbSubFolders;
+ } else {
+ // Check for composite object
+ ModelAPI_CompositeFeature* aCompFeature = dynamic_cast<ModelAPI_CompositeFeature*>(aObj);
+ if (aCompFeature)
+ return aCompFeature->numberOfSubs(true);
+ ModelAPI_ResultCompSolid* aCompRes = dynamic_cast<ModelAPI_ResultCompSolid*>(aObj);
+ if (aCompRes)
+ return aCompRes->numberOfSubs(true);
+ ModelAPI_ResultField* aFieldRes = dynamic_cast<ModelAPI_ResultField*>(aObj);
+ if (aFieldRes)
+ return aFieldRes->stepsSize();
+ ModelAPI_Folder* aFolder = dynamic_cast<ModelAPI_Folder*>(aObj);
+ if (aFolder)
+ return getNumberOfFolderItems(aFolder);
+ }
+ }
+ }
+ return 0;
+}
+
+//******************************************************
+int XGUI_DataModel::columnCount(const QModelIndex& theParent) const
+{
+ return 3;
+}
+
+//******************************************************
+QModelIndex XGUI_DataModel::index(int theRow, int theColumn, const QModelIndex &theParent) const
+{
+ SessionPtr aSession = ModelAPI_Session::get();
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+ int aNbFolders = foldersCount();
+
+ QModelIndex aIndex;
+
+ if (!theParent.isValid()) {
+ if (theRow < aNbFolders) // Return first level folder index
+ return createIndex(theRow, theColumn, (void*)Q_NULLPTR);
+ else { // return object under root index
+ std::string aType = myXMLReader->rootType();
+ int aObjId = theRow - aNbFolders;
+ if (aObjId < aRootDoc->size(aType, true)) {
+ ObjectPtr aObj = aRootDoc->object(aType, aObjId, true);
+ aIndex = objectIndex(aObj, theColumn);
+ }
+ }
+ } else {
+ quintptr aId = theParent.internalId();
+ int aParentPos = theParent.row();
+ if (aId == 0) { // return object index inside of first level of folders
+ std::string aType = myXMLReader->rootFolderType(aParentPos);
+ if (theRow < aRootDoc->size(aType)) {
+ ObjectPtr aObj = aRootDoc->object(aType, theRow, true);
+ aIndex = objectIndex(aObj, theColumn);
+ }
+ } else {
+ // It is an object which could have children
+ ModelAPI_Document* aDoc = getSubDocument(theParent.internalPointer());
+ if (aDoc) {
+ // It is a folder of sub-document
+ int aParentRow = aParentPos;
+ QIntList aMissedIdx = missedFolderIndexes(aDoc);
+ while (aMissedIdx.contains(aParentRow))
+ aParentRow++;
+ if (aParentRow < myXMLReader->subFoldersNumber()) {
+ std::string aType = myXMLReader->subFolderType(aParentRow);
+ if (theRow < aDoc->size(aType)) {
+ ObjectPtr aObj = aDoc->object(aType, theRow);
+ aIndex = objectIndex(aObj, theColumn);
+ }
+ }
+ } else {
+ ModelAPI_Object* aParentObj =
+ dynamic_cast<ModelAPI_Object*>((ModelAPI_Entity*)theParent.internalPointer());
+
+ // Check for Part feature
+ ResultPartPtr aPartRes = getPartResult(aParentObj);
+ if (aPartRes.get()) {
+ DocumentPtr aSubDoc = aPartRes->partDoc();
+ int aNbSubFolders = foldersCount(aSubDoc.get());
+ if (theRow < aNbSubFolders) { // Create a Folder of sub-document
+ aIndex = createIndex(theRow, theColumn, aSubDoc.get());
+ } else {
+ // this is an object under sub document root
+ std::string aType = myXMLReader->subType();
+ ObjectPtr aObj = aSubDoc->object(aType, theRow - aNbSubFolders, true);
+ aIndex = objectIndex(aObj, theColumn);
+ }
+ } else {
+ // Check for composite object
+ ModelAPI_CompositeFeature* aCompFeature =
+ dynamic_cast<ModelAPI_CompositeFeature*>(aParentObj);
+ if (aCompFeature) {
+ aIndex = objectIndex(aCompFeature->subFeature(theRow), theColumn);
+ } else {
+ ModelAPI_ResultCompSolid* aCompRes =
+ dynamic_cast<ModelAPI_ResultCompSolid*>(aParentObj);
+ if (aCompRes)
+ aIndex = objectIndex(aCompRes->subResult(theRow), theColumn);
+ else {
+ ModelAPI_ResultField* aFieldRes =
+ dynamic_cast<ModelAPI_ResultField*>(aParentObj);
+ if (aFieldRes) {
+ aIndex = createIndex(theRow, theColumn, aFieldRes->step(theRow));
+ } else {
+ ModelAPI_Folder* aFolder = dynamic_cast<ModelAPI_Folder*>(aParentObj);
+ ObjectPtr aObj = getObjectInFolder(aFolder, theRow);
+ if (aObj.get())
+ aIndex = objectIndex(aObj, theColumn);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ return aIndex;
+}
+
+//******************************************************
+static QModelIndex MYLastDeleted;
+QModelIndex XGUI_DataModel::parent(const QModelIndex& theIndex) const
+{
+ if (!theIndex.isValid())
+ return QModelIndex();
+ // To avoid additional request about index which was already deleted
+ if (theIndex == MYLastDeleted)
+ return QModelIndex();
+
+ SessionPtr aSession = ModelAPI_Session::get();
+ quintptr aId = theIndex.internalId();
+ if (aId != 0) { // The object is not a root folder
+ ModelAPI_Document* aDoc = getSubDocument(theIndex.internalPointer());
+ if (aDoc) {
+ // It is a folder of sub-document
+ return findDocumentRootIndex(aDoc);
+ }
+ ObjectPtr aObj = object(theIndex);
+ if (!aObj.get()) {
+ // It can be a step of a field
+ ModelAPI_ResultField::ModelAPI_FieldStep* aStep =
+ dynamic_cast<ModelAPI_ResultField::ModelAPI_FieldStep*>
+ ((ModelAPI_Entity*)theIndex.internalPointer());
+ if (aStep) {
+ ModelAPI_ResultField* aField = aStep->field();
+ DocumentPtr aDoc = aSession->activeDocument();
+ ObjectPtr aFld;
+ for(int i = 0; i < aDoc->size(ModelAPI_ResultField::group()); i++) {
+ aFld = aDoc->object(ModelAPI_ResultField::group(), i);
+ if (aFld.get() == aField)
+ return objectIndex(aFld);
+ }
+ }
+ // To avoid additional request about index which was already deleted
+ // If deleted it causes a crash on delete object from Part
+ MYLastDeleted = theIndex;
+ return QModelIndex();
+ }
+ // Check is it object a sub-object of a complex object
+ FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
+ if (aFeature.get()) {
+ CompositeFeaturePtr aCompFea = ModelAPI_Tools::compositeOwner(aFeature);
+ if (aCompFea.get()) {
+ return objectIndex(aCompFea);
+ }
+ DocumentPtr aDoc = aFeature->document();
+ int aRow;
+ FolderPtr aFolder = aDoc->findContainingFolder(aFeature, aRow);
+ if (aFolder.get())
+ return objectIndex(aFolder);
+ }
+ ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
+ if (aResult.get()) {
+ ResultCompSolidPtr aCompRes = ModelAPI_Tools::compSolidOwner(aResult);
+ if (aCompRes.get()) {
+ return objectIndex(aCompRes);
+ }
+ }
+ // Use as ordinary object
+ std::string aType = aObj->groupName();
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+ DocumentPtr aSubDoc = aObj->document();
+ if (aSubDoc == aRootDoc) {
+ if ((aType == myXMLReader->rootType()) || (aType == ModelAPI_Folder::group()))
+ return QModelIndex();
+ else {
+ // return first level of folder index
+ int aFolderId = myXMLReader->rootFolderId(aType);
+ // Items in a one row must have the same parent
+ return createIndex(aFolderId, 1, (void*)Q_NULLPTR);
+ }
+ } else {
+ if ((aType == myXMLReader->subType()) || (aType == ModelAPI_Folder::group()))
+ return findDocumentRootIndex(aSubDoc.get());
+ else {
+ // return first level of folder index
+ int aFolderId = folderId(aType, aSubDoc.get());
+ // Items in a one row must have the same parent
+ return createIndex(aFolderId, 1, aSubDoc.get());
+ }
+ }
+ }
+ return QModelIndex();
+}
+
+//******************************************************
+bool XGUI_DataModel::hasChildren(const QModelIndex& theParent) const
+{
+ return rowCount(theParent) > 0;
+}
+
+//******************************************************
+bool XGUI_DataModel::insertRows(int theRow, int theCount, const QModelIndex& theParent)
+{
+ beginInsertRows(theParent, theRow, theRow + theCount - 1);
+ endInsertRows();
+
+ return true;
+}
+
+//******************************************************
+bool XGUI_DataModel::removeRows(int theRow, int theCount, const QModelIndex& theParent)
+{
+ beginRemoveRows(theParent, theRow, theRow + theCount - 1);
+ endRemoveRows();
+ return true;
+}
+
+//******************************************************
+Qt::ItemFlags XGUI_DataModel::flags(const QModelIndex& theIndex) const
+{
+ quintptr aIt = theIndex.internalId();
+ ModelAPI_Object* aObj = 0;
+ ModelAPI_Document* aDoc = 0;
+ SessionPtr aSession = ModelAPI_Session::get();
+ DocumentPtr aActiveDoc = aSession->activeDocument();
+
+ Qt::ItemFlags aNullFlag;
+ Qt::ItemFlags aDefaultFlag = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
+ Qt::ItemFlags aEditingFlag = Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsEditable;
+
+
+ if (aIt == 0) {
+ // Folders under root
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+ if (aRootDoc != aActiveDoc)
+ return aDefaultFlag;
+ } else {
+ aDoc = getSubDocument(theIndex.internalPointer());
+ if (!aDoc)
+ aObj = dynamic_cast<ModelAPI_Object*>((ModelAPI_Entity*)theIndex.internalPointer());
+ }
+
+ if (aObj) {
+ // An object
+ if (aObj->isDisabled())
+ return theIndex.column() == 2? Qt::ItemIsSelectable : aNullFlag;
+
+ if (aSession->moduleDocument() != aObj->document())
+ if (aActiveDoc != aObj->document())
+ return theIndex.column() == 2? Qt::ItemIsSelectable : aNullFlag;
+
+ bool isCompositeSub = false;
+ // An object which is sub-object of a composite object can not be accessible in column 2
+ if (theIndex.column() == 2) {
+ ObjectPtr aObjPtr = aObj->data()->owner();
+ FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObjPtr);
+ if (aFeature.get()) {
+ CompositeFeaturePtr aCompFea = ModelAPI_Tools::compositeOwner(aFeature);
+ if (aCompFea.get())
+ isCompositeSub = true;
+ } else {
+ ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aObjPtr);
+ if (aResult.get()) {
+ ResultCompSolidPtr aCompRes = ModelAPI_Tools::compSolidOwner(aResult);
+ if (aCompRes.get())
+ isCompositeSub = true;
+ }
+ }
+ }
+ if (isCompositeSub)
+ return Qt::ItemIsSelectable;
+
+ if (aObj->document() != aActiveDoc) {
+ // The object could be a root of sub-tree
+ ResultPartPtr aPartRes = getPartResult(aObj);
+ if (aPartRes.get()) {
+ if (aPartRes->partDoc() == aActiveDoc)
+ return aEditingFlag;
+ }
+ return aDefaultFlag;
+ }
+ } else if (aDoc) {
+ // A folder under sub-document
+ if (aActiveDoc.get() != aDoc)
+ return aNullFlag;
+ }
+ return aEditingFlag;
+}
+
+//******************************************************
+QModelIndex
+ XGUI_DataModel::findDocumentRootIndex(const ModelAPI_Document* theDoc, int aColumn) const
+{
+ SessionPtr aSession = ModelAPI_Session::get();
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+ if (myXMLReader->isAttachToResult()) { // If document is attached to result
+ int aNb = aRootDoc->size(ModelAPI_ResultPart::group());
+ ObjectPtr aObj;
+ ResultPartPtr aPartRes;
+ for (int i = 0; i < aNb; i++) {
+ aObj = aRootDoc->object(ModelAPI_ResultPart::group(), i);
+ aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
+ if (aPartRes.get() && (aPartRes->partDoc().get() == theDoc)) {
+ int aRow = i;
+ if (myXMLReader->rootType() == ModelAPI_Feature::group()) {
+ aRow += foldersCount();
+ }
+ return createIndex(aRow, aColumn, aObj.get());
+ }
+ }
+ } else { // If document is attached to feature
+ int aNb = aRootDoc->size(ModelAPI_Feature::group(), true);
+ ObjectPtr aObj;
+ ResultPartPtr aPartRes;
+ for (int i = 0; i < aNb; i++) {
+ aObj = aRootDoc->object(ModelAPI_Feature::group(), i, true);
+ aPartRes = getPartResult(aObj.get());
+ if (aPartRes.get() && (aPartRes->partDoc().get() == theDoc)) {
+ int aRow = i;
+ if (myXMLReader->rootType() == ModelAPI_Feature::group())
+ aRow += foldersCount();
+ return createIndex(aRow, aColumn, aObj.get());
+ }
+ }
+ }
+ return QModelIndex();
+}
+
+//******************************************************
+QModelIndex XGUI_DataModel::documentRootIndex(DocumentPtr theDoc, int theColumn) const
+{
+ SessionPtr aSession = ModelAPI_Session::get();
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+ if (theDoc == aRootDoc)
+ return QModelIndex();
+ else
+ return findDocumentRootIndex(theDoc.get(), theColumn);
+}
+
+//******************************************************
+int XGUI_DataModel::foldersCount(ModelAPI_Document* theDoc) const
+{
+ int aNb = 0;
+ SessionPtr aSession = ModelAPI_Session::get();
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+ if ((theDoc == 0) || (theDoc == aRootDoc.get())) {
+ for (int i = 0; i < myXMLReader->rootFoldersNumber(); i++) {
+ if (myXMLReader->rootShowEmpty(i))
+ aNb++;
+ else {
+ if (aRootDoc->size(myXMLReader->rootFolderType(i)) > 0)
+ aNb++;
+ }
+ }
+ } else {
+ for (int i = 0; i < myXMLReader->subFoldersNumber(); i++) {
+ if (myXMLReader->subShowEmpty(i))
+ aNb++;
+ else {
+ if (theDoc->size(myXMLReader->subFolderType(i)) > 0)
+ aNb++;
+ }
+ }
+ }
+ return aNb;
+}
+
+
+//******************************************************
+QIntList XGUI_DataModel::missedFolderIndexes(ModelAPI_Document* theDoc) const
+{
+ QIntList aList;
+ SessionPtr aSession = ModelAPI_Session::get();
+ DocumentPtr aRootDoc = aSession->moduleDocument();
+ if ((theDoc == 0) || (theDoc == aRootDoc.get())) {
+ for (int i = 0; i < myXMLReader->rootFoldersNumber(); i++) {
+ if (!myXMLReader->rootShowEmpty(i)) {
+ if (aRootDoc->size(myXMLReader->rootFolderType(i)) == 0)
+ aList.append(i);
+ }
+ }
+ } else {
+ for (int i = 0; i < myXMLReader->subFoldersNumber(); i++) {
+ if (!myXMLReader->subShowEmpty(i)) {
+ if (theDoc->size(myXMLReader->subFolderType(i)) == 0)
+ aList.append(i);
+ }
+ }
+ }
+ return aList;
+}
+
+
+//******************************************************
+QStringList XGUI_DataModel::listOfShowNotEmptyFolders(bool fromRoot) const
+{
+ QStringList aResult;
+ if (fromRoot) {
+ for (int i = 0; i < myXMLReader->rootFoldersNumber(); i++) {
+ if (!myXMLReader->rootShowEmpty(i))
+ aResult << myXMLReader->rootFolderType(i).c_str();
+ }
+ } else {
+ for (int i = 0; i < myXMLReader->subFoldersNumber(); i++) {
+ if (!myXMLReader->subShowEmpty(i))
+ aResult << myXMLReader->subFolderType(i).c_str();
+ }
+ }
+ return aResult;
+}
+
+//******************************************************
+QModelIndex XGUI_DataModel::lastHistoryIndex() const
+{
+ SessionPtr aSession = ModelAPI_Session::get();
+ DocumentPtr aCurDoc = aSession->activeDocument();
+ FeaturePtr aFeature = aCurDoc->currentFeature(true);
+ if (aFeature.get()) {
+ QModelIndex aInd = objectIndex(aFeature);
+ return createIndex(aInd.row(), 2, aInd.internalPointer());
+ } else {
+ if (aCurDoc == aSession->moduleDocument())
+ return createIndex(foldersCount() - 1, 2, -1);
+ else
+ return createIndex(foldersCount(aCurDoc.get()) - 1, 2, aCurDoc.get());
+ }
+}
+
+//******************************************************
+bool XGUI_DataModel::hasHiddenState(const QModelIndex& theIndex)
+{
+ return getVisibilityState(theIndex) == Hidden;
+}
+
+//******************************************************
+int XGUI_DataModel::folderId(std::string theType, ModelAPI_Document* theDoc) const
+{
+ SessionPtr aSession = ModelAPI_Session::get();
+ ModelAPI_Document* aDoc = theDoc;
+ if (aDoc == 0)
+ aDoc = aSession->moduleDocument().get();
+
+ bool aUseSubDoc = (aDoc != aSession->moduleDocument().get());
+
+ int aRes = -1;
+ if (aUseSubDoc) {
+ int aId = myXMLReader->subFolderId(theType);
+ aRes = aId;
+ for (int i = 0; i < aId; i++) {
+ if (!myXMLReader->subShowEmpty(i)) {
+ if (aDoc->size(myXMLReader->subFolderType(i)) == 0)
+ aRes--;
+ }
+ }
+ } else {
+ int aId = myXMLReader->rootFolderId(theType);
+ aRes = aId;
+ for (int i = 0; i < aId; i++) {
+ if (!myXMLReader->rootShowEmpty(i)) {
+ if (aDoc->size(myXMLReader->rootFolderType(i)) == 0)
+ aRes--;
+ }
+ }
+ }
+ return aRes;
+}
+
+//******************************************************
+void XGUI_DataModel::rebuildBranch(int theRow, int theCount, const QModelIndex& theParent)
+{
+ if (theCount > 0) {
+ removeRows(theRow, theCount, theParent);
+ insertRows(theRow, theCount, theParent);
+ }
+}
+
+//******************************************************
+//bool XGUI_DataModel::blockEventsProcessing(const bool theState)
+//{
+// bool aPreviousState = myIsEventsProcessingBlocked;
+// myIsEventsProcessingBlocked = theState;
+// return aPreviousState;
+//}
+
+//******************************************************
+XGUI_DataModel::VisibilityState
+ XGUI_DataModel::getVisibilityState(const QModelIndex& theIndex) const
+{
+ Qt::ItemFlags aFlags = theIndex.flags();
+ if (aFlags == Qt::ItemFlags())
+ return NoneState;
+
+ ObjectPtr aObj = object(theIndex);
+ if (aObj.get()) {
+ if (aObj->groupName() == ModelAPI_ResultParameter::group())
+ return NoneState;
+ ResultPtr aResObj = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
+ if (aResObj.get()) {
+ XGUI_Displayer* aDisplayer = myWorkshop->displayer();
+ ResultCompSolidPtr aCompRes = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aResObj);
+ if (aCompRes.get()) {
+ VisibilityState aState = aCompRes->numberOfSubs(true) == 0 ?
+ (aDisplayer->isVisible(aCompRes)? Visible : Hidden) : NoneState;
+ for (int i = 0; i < aCompRes->numberOfSubs(true); i++) {
+ ResultPtr aSubRes = aCompRes->subResult(i, true);
+ VisibilityState aS = aDisplayer->isVisible(aSubRes)? Visible : Hidden;
+ if (aState == NoneState)
+ aState = aS;
+ else if (aState != aS) {
+ aState = SemiVisible;
+ break;
+ }
+ }
+ return aState;
+ } else {
+ if (aDisplayer->isVisible(aResObj))
+ return Visible;
+ else
+ return Hidden;
+ }
+ }
+ }
+ return NoneState;
+}
+
+
+int XGUI_DataModel::getNumberOfFolderItems(const ModelAPI_Folder* theFolder) const
+{
+ DocumentPtr aDoc = theFolder->document();
+
+ FeaturePtr aFirstFeatureInFolder;
+ AttributeReferencePtr aFirstFeatAttr =
+ theFolder->data()->reference(ModelAPI_Folder::FIRST_FEATURE_ID());
+ if (aFirstFeatAttr)
+ aFirstFeatureInFolder = ModelAPI_Feature::feature(aFirstFeatAttr->value());
+ if (!aFirstFeatureInFolder.get())
+ return 0;
+
+ FeaturePtr aLastFeatureInFolder;
+ AttributeReferencePtr aLastFeatAttr =
+ theFolder->data()->reference(ModelAPI_Folder::LAST_FEATURE_ID());
+ if (aLastFeatAttr)
+ aLastFeatureInFolder = ModelAPI_Feature::feature(aLastFeatAttr->value());
+ if (!aLastFeatureInFolder.get())
+ return 0;
+
+ int aFirst = aDoc->index(aFirstFeatureInFolder);
+ int aLast = aDoc->index(aLastFeatureInFolder);
+ return aLast - aFirst + 1;
+}
+
+ObjectPtr XGUI_DataModel::getObjectInFolder(const ModelAPI_Folder* theFolder, int theId) const
+{
+ DocumentPtr aDoc = theFolder->document();
+
+ FeaturePtr aFirstFeatureInFolder;
+ AttributeReferencePtr aFirstFeatAttr =
+ theFolder->data()->reference(ModelAPI_Folder::FIRST_FEATURE_ID());
+ if (aFirstFeatAttr)
+ aFirstFeatureInFolder = ModelAPI_Feature::feature(aFirstFeatAttr->value());
+ if (!aFirstFeatureInFolder.get())
+ return ObjectPtr();
+
+ int aFirst = aDoc->index(aFirstFeatureInFolder);
+ return aDoc->object(ModelAPI_Feature::group(), aFirst + theId);
}