C++ Document::commitTransaction方法代码示例

void SketcherValidation::on_fixButton_clicked()
{
    // undo command open
    App::Document* doc = sketch->getDocument();
    doc->openTransaction("add coincident constraint");
    std::vector<Sketcher::Constraint*> constr;
    for (std::vector<ConstraintIds>::iterator it = this->vertexConstraints.begin(); it != this->vertexConstraints.end(); ++it) {
        Sketcher::Constraint* c = new Sketcher::Constraint();
        c->Type = Sketcher::Coincident;
        c->First = it->First;
        c->Second = it->Second;
        c->FirstPos = it->FirstPos;
        c->SecondPos = it->SecondPos;
        constr.push_back(c);
    }

    sketch->addConstraints(constr);
    this->vertexConstraints.clear();
    ui->fixButton->setEnabled(false);
    hidePoints();
    for (std::vector<Sketcher::Constraint*>::iterator it = constr.begin(); it != constr.end(); ++it) {
        delete *it;
    }

    // finish the transaction and update
    Gui::WaitCursor wc;
    doc->commitTransaction();
    doc->recompute();
}

void MeshFillHole::closeBridge()
{
    // Do the hole-filling
    Gui::WaitCursor wc;
    TBoundary::iterator it = std::find(myPolygon.begin(), myPolygon.end(), myVertex1);
    TBoundary::iterator jt = std::find(myPolygon.begin(), myPolygon.end(), myVertex2);
    if (it != myPolygon.end() && jt != myPolygon.end()) {
        // which iterator comes first
        if (jt < it)
            std::swap(it, jt);
        // split the boundary into two loops and take the shorter one
        std::list<TBoundary> bounds;
        TBoundary loop1, loop2;
        loop1.insert(loop1.end(), myPolygon.begin(), it);
        loop1.insert(loop1.end(), jt, myPolygon.end());
        loop2.insert(loop2.end(), it, jt);
        // this happens when myVertex1 == myVertex2
        if (loop2.empty())
            bounds.push_back(loop1);
        else if (loop1.size() < loop2.size())
            bounds.push_back(loop1);
        else
            bounds.push_back(loop2);

        App::Document* doc = myMesh->getDocument();
        doc->openTransaction("Bridge && Fill hole");
        Mesh::MeshObject* pMesh = myMesh->Mesh.startEditing();
        bool ok = myHoleFiller.fillHoles(*pMesh, bounds, myVertex1, myVertex2);
        myMesh->Mesh.finishEditing();
        if (ok)
            doc->commitTransaction();
        else
            doc->abortTransaction();
    }
}

void Segmentation::accept()
{
    const Mesh::MeshObject* mesh = myMesh->Mesh.getValuePtr();
    // make a copy because we might smooth the mesh before
    MeshCore::MeshKernel kernel = mesh->getKernel();

    if (ui->checkBoxSmooth->isChecked()) {
        MeshCore::LaplaceSmoothing smoother(kernel);
        smoother.Smooth(ui->smoothSteps->value());
    }

    MeshCore::MeshSegmentAlgorithm finder(kernel);
    MeshCore::MeshCurvature meshCurv(kernel);
    meshCurv.ComputePerVertex();

    std::vector<MeshCore::MeshSurfaceSegment*> segm;
    if (ui->groupBoxCyl->isChecked()) {
        segm.push_back(new MeshCore::MeshCurvatureCylindricalSegment
            (meshCurv.GetCurvature(), ui->numCyl->value(), ui->tol1Cyl->value(), ui->tol2Cyl->value(), ui->radCyl->value().getValue()));
    }
    if (ui->groupBoxSph->isChecked()) {
        segm.push_back(new MeshCore::MeshCurvatureSphericalSegment
            (meshCurv.GetCurvature(), ui->numSph->value(), ui->tolSph->value(), ui->radSph->value().getValue()));
    }
    if (ui->groupBoxPln->isChecked()) {
        segm.push_back(new MeshCore::MeshCurvaturePlanarSegment
            (meshCurv.GetCurvature(), ui->numPln->value(), ui->tolPln->value()));
    }
    finder.FindSegments(segm);

    App::Document* document = App::GetApplication().getActiveDocument();
    document->openTransaction("Segmentation");

    std::string internalname = "Segments_";
    internalname += myMesh->getNameInDocument();
    App::DocumentObjectGroup* group = static_cast<App::DocumentObjectGroup*>(document->addObject
        ("App::DocumentObjectGroup", internalname.c_str()));
    std::string labelname = "Segments ";
    labelname += myMesh->Label.getValue();
    group->Label.setValue(labelname);
    for (std::vector<MeshCore::MeshSurfaceSegment*>::iterator it = segm.begin(); it != segm.end(); ++it) {
        const std::vector<MeshCore::MeshSegment>& data = (*it)->GetSegments();
        for (std::vector<MeshCore::MeshSegment>::const_iterator jt = data.begin(); jt != data.end(); ++jt) {
            Mesh::MeshObject* segment = mesh->meshFromSegment(*jt);
            Mesh::Feature* feaSegm = static_cast<Mesh::Feature*>(group->addObject("Mesh::Feature", "Segment"));
            Mesh::MeshObject* feaMesh = feaSegm->Mesh.startEditing();
            feaMesh->swap(*segment);
            feaSegm->Mesh.finishEditing();
            delete segment;

            std::stringstream label;
            label << feaSegm->Label.getValue() << " (" << (*it)->GetType() << ")";
            feaSegm->Label.setValue(label.str());
        }
        delete (*it);
    }
    document->commitTransaction();
}

void DlgRevolution::accept()
{
    if (ui->treeWidget->selectedItems().isEmpty()) {
        QMessageBox::critical(this, windowTitle(), 
            tr("Select a shape for revolution, first."));
        return;
    }

    Gui::WaitCursor wc;
    App::Document* activeDoc = App::GetApplication().getActiveDocument();
    activeDoc->openTransaction("Revolve");

    QString shape, type, name, solid;
    QList<QTreeWidgetItem *> items = ui->treeWidget->selectedItems();
    if (ui->checkSolid->isChecked()) {
        solid = QString::fromLatin1("True");}
    else {
        solid = QString::fromLatin1("False");}
    for (QList<QTreeWidgetItem *>::iterator it = items.begin(); it != items.end(); ++it) {
        shape = (*it)->data(0, Qt::UserRole).toString();
        type = QString::fromLatin1("Part::Revolution");
        name = QString::fromLatin1(activeDoc->getUniqueObjectName("Revolve").c_str());
        Base::Vector3d axis = this->getDirection();

        QString code = QString::fromLatin1(
            "FreeCAD.ActiveDocument.addObject(\"%1\",\"%2\")\n"
            "FreeCAD.ActiveDocument.%2.Source = FreeCAD.ActiveDocument.%3\n"
            "FreeCAD.ActiveDocument.%2.Axis = (%4,%5,%6)\n"
            "FreeCAD.ActiveDocument.%2.Base = (%7,%8,%9)\n"
            "FreeCAD.ActiveDocument.%2.Angle = %10\n"
            "FreeCAD.ActiveDocument.%2.Solid = %11\n"
            "FreeCADGui.ActiveDocument.%3.Visibility = False\n")
            .arg(type).arg(name).arg(shape)
            .arg(axis.x,0,'f',2)
            .arg(axis.y,0,'f',2)
            .arg(axis.z,0,'f',2)
            .arg(ui->xPos->value(),0,'f',2)
            .arg(ui->yPos->value(),0,'f',2)
            .arg(ui->zPos->value(),0,'f',2)
            .arg(ui->angle->value(),0,'f',2)
            .arg(solid)
            ;
        Gui::Application::Instance->runPythonCode((const char*)code.toLatin1());
        QByteArray to = name.toLatin1();
        QByteArray from = shape.toLatin1();
        Gui::Command::copyVisual(to, "ShapeColor", from);
        Gui::Command::copyVisual(to, "LineColor", from);
        Gui::Command::copyVisual(to, "PointColor", from);
    }

    activeDoc->commitTransaction();
    activeDoc->recompute();
    QDialog::accept();
}

void SketcherValidation::on_swapReversed_clicked()
{
    App::Document* doc = sketch->getDocument();
    doc->openTransaction("Sketch porting");

    int n = sketch->port_reversedExternalArcs(/*justAnalyze=*/false);
    QMessageBox::warning(this, tr("Reversed external geometry"),
        tr("%1 changes were made to constraints linking to endpoints of reversed arcs.").arg(n));
    hidePoints();
    ui->swapReversed->setEnabled(false);

    doc->commitTransaction();
}

void SketcherValidation::on_orientLockEnable_clicked()
{
    App::Document* doc = sketch->getDocument();
    doc->openTransaction("Constraint orientation lock");

    int n = sketch->changeConstraintsLocking(/*bLock=*/true);
    QMessageBox::warning(this, tr("Constraint orientation locking"),
        tr("Orientation locking was enabled and recomputed for %1 constraints. The"
           " constraints have been listed in Report view (menu View -> Views ->"
           " Report view).").arg(n));

    doc->commitTransaction();
}

void SketcherValidation::on_orientLockDisable_clicked()
{
    App::Document* doc = sketch->getDocument();
    doc->openTransaction("Constraint orientation unlock");

    int n = sketch->changeConstraintsLocking(/*bLock=*/false);
    QMessageBox::warning(this, tr("Constraint orientation locking"),
        tr("Orientation locking was disabled for %1 constraints. The"
           " constraints have been listed in Report view (menu View -> Views ->"
           " Report view). Note that for all future constraints, the locking still"
           " defaults to ON.").arg(n));

    doc->commitTransaction();
}

void ConstraintView::deleteSelectedItems()
{
    App::Document* doc = App::GetApplication().getActiveDocument();
    if (!doc) return;

    doc->openTransaction("Delete");
    std::vector<Gui::SelectionObject> sel = Gui::Selection().getSelectionEx(doc->getName());
    for (std::vector<Gui::SelectionObject>::iterator ft = sel.begin(); ft != sel.end(); ++ft) {
        Gui::ViewProvider* vp = Gui::Application::Instance->getViewProvider(ft->getObject());
        if (vp) {
            vp->onDelete(ft->getSubNames());
        }
    }
    doc->commitTransaction();
}

bool Tessellation::accept()
{
    if (ui->treeWidget->selectedItems().isEmpty()) {
        QMessageBox::critical(this, windowTitle(),
            tr("Select a shape for meshing, first."));
        return false;
    }

    App::Document* activeDoc = App::GetApplication().getDocument((const char*)this->document.toAscii());
    if (!activeDoc) {
        QMessageBox::critical(this, windowTitle(),
            tr("No such document '%1'.").arg(this->document));
        return false;
    }

    try {
        QString shape, label;
        Gui::WaitCursor wc;
        
        activeDoc->openTransaction("Meshing");
        QList<QTreeWidgetItem *> items = ui->treeWidget->selectedItems();
        std::vector<Part::Feature*> shapes = Gui::Selection().getObjectsOfType<Part::Feature>();
        for (QList<QTreeWidgetItem *>::iterator it = items.begin(); it != items.end(); ++it) {
            shape = (*it)->data(0, Qt::UserRole).toString();
            label = (*it)->text(0);

            QString cmd = QString::fromAscii(
                "__doc__=FreeCAD.getDocument(\"%1\")\n"
                "__mesh__=__doc__.addObject(\"Mesh::Feature\",\"Mesh\")\n"
                "__mesh__.Mesh=MeshPart.meshFromShape(__doc__.getObject(\"%2\").Shape,%3,0,0,%4)\n"
                "__mesh__.Label=\"%5 (Meshed)\"\n"
                "del __doc__, __mesh__\n")
                .arg(this->document)
                .arg(shape)
                .arg(ui->spinMaxEdgeLength->value())
                .arg(ui->spinDeviation->value())
                .arg(label);
            Gui::Command::doCommand(Gui::Command::Doc, (const char*)cmd.toAscii());
        }
        activeDoc->commitTransaction();
    }
    catch (const Base::Exception& e) {
        Base::Console().Error(e.what());
    }

    return true;
}

void MeshFaceAddition::addFace()
{
    Mesh::Feature* mf = static_cast<Mesh::Feature*>(faceView->mesh->getObject());
    App::Document* doc = mf->getDocument();
    doc->openTransaction("Add triangle");
    Mesh::MeshObject* mesh = mf->Mesh.startEditing();
    MeshCore::MeshFacet f;
    f._aulPoints[0] = faceView->index[0];
    f._aulPoints[1] = faceView->index[1];
    f._aulPoints[2] = faceView->index[2];
    std::vector<MeshCore::MeshFacet> faces;
    faces.push_back(f);
    mesh->addFacets(faces);
    mf->Mesh.finishEditing();
    doc->commitTransaction();

    clearPoints();
}

void SketcherValidation::on_delConstrExtr_clicked()
{
    int reply;
    reply =  QMessageBox::question(this,
                        tr("Delete constraints to external geom."),
                        tr("You are about to delete ALL constraints that deal with external geometry. This is useful to rescue a sketch with broken/changed links to external geometry. Are you sure you want to delete the constraints?"),
                        QMessageBox::No|QMessageBox::Yes,QMessageBox::No);
    if(reply!=QMessageBox::Yes) return;

    App::Document* doc = sketch->getDocument();
    doc->openTransaction("Delete constraints");

    sketch->delConstraintsToExternal();

    doc->commitTransaction();

    QMessageBox::warning(this, tr("Delete constraints to external geom."),
                         tr("All constraints that deal with external geometry were deleted."));
}

//.........这里部分代码省略.........

    try {
        QString shape, label;
        Gui::WaitCursor wc;

        int method = buttonGroup->checkedId();

        activeDoc->openTransaction("Meshing");
        QList<QTreeWidgetItem *> items = ui->treeWidget->selectedItems();
        std::vector<Part::Feature*> shapes = Gui::Selection().getObjectsOfType<Part::Feature>();
        for (QList<QTreeWidgetItem *>::iterator it = items.begin(); it != items.end(); ++it) {
            shape = (*it)->data(0, Qt::UserRole).toString();
            label = (*it)->text(0);

            QString cmd;
            if (method == 0) { // Standard
                double devFace = ui->spinSurfaceDeviation->value();
                cmd = QString::fromAscii(
                    "__doc__=FreeCAD.getDocument(\"%1\")\n"
                    "__mesh__=__doc__.addObject(\"Mesh::Feature\",\"Mesh\")\n"
                    "__mesh__.Mesh=Mesh.Mesh(__doc__.getObject(\"%2\").Shape.tessellate(%3))\n"
                    "__mesh__.Label=\"%4 (Meshed)\"\n"
                    "__mesh__.ViewObject.CreaseAngle=25.0\n"
                    "del __doc__, __mesh__\n")
                    .arg(this->document)
                    .arg(shape)
                    .arg(devFace)
                    .arg(label);
            }
            else if (method == 1) { // Mefisto
                double maxEdge = ui->spinMaximumEdgeLength->value();
                if (!ui->spinMaximumEdgeLength->isEnabled())
                    maxEdge = 0;
                cmd = QString::fromAscii(
                    "__doc__=FreeCAD.getDocument(\"%1\")\n"
                    "__mesh__=__doc__.addObject(\"Mesh::Feature\",\"Mesh\")\n"
                    "__mesh__.Mesh=MeshPart.meshFromShape(Shape=__doc__.getObject(\"%2\").Shape,MaxLength=%3)\n"
                    "__mesh__.Label=\"%4 (Meshed)\"\n"
                    "__mesh__.ViewObject.CreaseAngle=25.0\n"
                    "del __doc__, __mesh__\n")
                    .arg(this->document)
                    .arg(shape)
                    .arg(maxEdge)
                    .arg(label);
            }
            else if (method == 2) { // Netgen
                int fineness = ui->comboFineness->currentIndex();
                double growthRate = ui->doubleGrading->value();
                double nbSegPerEdge = ui->spinEdgeElements->value();
                double nbSegPerRadius = ui->spinCurvatureElements->value();
                bool secondOrder = ui->checkSecondOrder->isChecked();
                bool optimize = ui->checkOptimizeSurface->isChecked();
                bool allowquad = ui->checkQuadDominated->isChecked();
                if (fineness < 5) {
                    cmd = QString::fromAscii(
                        "__doc__=FreeCAD.getDocument(\"%1\")\n"
                        "__mesh__=__doc__.addObject(\"Mesh::Feature\",\"Mesh\")\n"
                        "__mesh__.Mesh=MeshPart.meshFromShape(Shape=__doc__.getObject(\"%2\").Shape,"
                        "Fineness=%3,SecondOrder=%4,Optimize=%5,AllowQuad=%6)\n"
                        "__mesh__.Label=\"%7 (Meshed)\"\n"
                        "__mesh__.ViewObject.CreaseAngle=25.0\n"
                        "del __doc__, __mesh__\n")
                        .arg(this->document)
                        .arg(shape)
                        .arg(fineness)
                        .arg(secondOrder ? 1 : 0)
                        .arg(optimize ? 1 : 0)
                        .arg(allowquad ? 1 : 0)
                        .arg(label);
                }
                else {
                    cmd = QString::fromAscii(
                        "__doc__=FreeCAD.getDocument(\"%1\")\n"
                        "__mesh__=__doc__.addObject(\"Mesh::Feature\",\"Mesh\")\n"
                        "__mesh__.Mesh=MeshPart.meshFromShape(Shape=__doc__.getObject(\"%2\").Shape,"
                        "GrowthRate=%3,SegPerEdge=%4,SegPerRadius=%5,SecondOrder=%6,Optimize=%7,AllowQuad=%8)\n"
                        "__mesh__.Label=\"%9 (Meshed)\"\n"
                        "__mesh__.ViewObject.CreaseAngle=25.0\n"
                        "del __doc__, __mesh__\n")
                        .arg(this->document)
                        .arg(shape)
                        .arg(growthRate)
                        .arg(nbSegPerEdge)
                        .arg(nbSegPerRadius)
                        .arg(secondOrder ? 1 : 0)
                        .arg(optimize ? 1 : 0)
                        .arg(allowquad ? 1 : 0)
                        .arg(label);
                }
            }
            Gui::Command::doCommand(Gui::Command::Doc, (const char*)cmd.toAscii());
        }
        activeDoc->commitTransaction();
    }
    catch (const Base::Exception& e) {
        Base::Console().Error(e.what());
    }

    return true;
}

bool Mirroring::accept()
{
    if (ui->shapes->selectedItems().isEmpty()) {
        QMessageBox::critical(this, windowTitle(),
            tr("Select a shape for mirroring, first."));
        return false;
    }

    App::Document* activeDoc = App::GetApplication().getDocument((const char*)this->document.toLatin1());
    if (!activeDoc) {
        QMessageBox::critical(this, windowTitle(),
            tr("No such document '%1'.").arg(this->document));
        return false;
    }

    Gui::WaitCursor wc;
    unsigned int count = activeDoc->countObjectsOfType(Base::Type::fromName("Part::Mirroring"));
    activeDoc->openTransaction("Mirroring");

    QString shape, label;
    QRegExp rx(QString::fromLatin1(" \\(Mirror #\\d+\\)$"));
    QList<QTreeWidgetItem *> items = ui->shapes->selectedItems();
    float normx=0, normy=0, normz=0;
    int index = ui->comboBox->currentIndex();
    if (index == 0)
        normz = 1.0f;
    else if (index == 1)
        normy = 1.0f;
    else
        normx = 1.0f;
    double basex = ui->baseX->value();
    double basey = ui->baseY->value();
    double basez = ui->baseZ->value();
    for (QList<QTreeWidgetItem *>::iterator it = items.begin(); it != items.end(); ++it) {
        shape = (*it)->data(0, Qt::UserRole).toString();
        label = (*it)->text(0);

        // if we already have the suffix " (Mirror #<number>)" remove it
        int pos = label.indexOf(rx);
        if (pos > -1)
            label = label.left(pos);
        label.append(QString::fromLatin1(" (Mirror #%1)").arg(++count));

        QString code = QString::fromLatin1(
            "__doc__=FreeCAD.getDocument(\"%1\")\n"
            "__doc__.addObject(\"Part::Mirroring\")\n"
            "__doc__.ActiveObject.Source=__doc__.getObject(\"%2\")\n"
            "__doc__.ActiveObject.Label=\"%3\"\n"
            "__doc__.ActiveObject.Normal=(%4,%5,%6)\n"
            "__doc__.ActiveObject.Base=(%7,%8,%9)\n"
            "del __doc__")
            .arg(this->document).arg(shape).arg(label)
            .arg(normx).arg(normy).arg(normz)
            .arg(basex).arg(basey).arg(basez);
        Gui::Application::Instance->runPythonCode((const char*)code.toLatin1());
        QByteArray from = shape.toLatin1();
        Gui::Command::copyVisual("ActiveObject", "ShapeColor", from);
        Gui::Command::copyVisual("ActiveObject", "LineColor", from);
        Gui::Command::copyVisual("ActiveObject", "PointColor", from);
    }

    activeDoc->commitTransaction();
    activeDoc->recompute();
    return true;
}

void DlgExtrusion::apply()
{
    try{
        if (!validate())
            throw Base::AbortException();

        if (filter) //if still selecting edge - stop. This is important for visibility automation.
            this->on_btnSelectEdge_clicked();

        Gui::WaitCursor wc;
        App::Document* activeDoc = App::GetApplication().getDocument(this->document.c_str());
        if (!activeDoc) {
            QMessageBox::critical(this, windowTitle(),
                tr("The document '%1' doesn't exist.").arg(QString::fromUtf8(this->label.c_str())));
            return;
        }
        activeDoc->openTransaction("Extrude");

        Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
            .GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/Part");
        bool addBaseName = hGrp->GetBool("AddBaseObjectName", false);

        std::vector<App::DocumentObject*> objects = this->getShapesToExtrude();
        for (App::DocumentObject* sourceObj: objects) {
            assert(sourceObj);

            if (!sourceObj->isDerivedFrom(Part::Feature::getClassTypeId())){
                std::stringstream errmsg;
                errmsg << "Object " << sourceObj->getNameInDocument() << " is not Part object (has no OCC shape). Can't extrude it.\n";
                Base::Console().Error(errmsg.str().c_str());
                continue;
            }

            std::string name;
            name = sourceObj->getDocument()->getUniqueObjectName("Extrude").c_str();
            if (addBaseName) {
                //FIXME: implement
                //QString baseName = QString::fromLatin1("Extrude_%1").arg(sourceObjectName);
                //label = QString::fromLatin1("%1_Extrude").arg((*it)->text(0));
            }

            Gui::Command::doCommand(Gui::Command::Doc, "f = FreeCAD.getDocument('%s').addObject('Part::Extrusion', '%s')", sourceObj->getDocument()->getName(), name.c_str());

            this->writeParametersToFeature(*(sourceObj->getDocument()->getObject(name.c_str())), sourceObj);

            std::string sourceObjectName = sourceObj->getNameInDocument();
            Gui::Command::copyVisual(name.c_str(), "ShapeColor", sourceObjectName.c_str());
            Gui::Command::copyVisual(name.c_str(), "LineColor", sourceObjectName.c_str());
            Gui::Command::copyVisual(name.c_str(), "PointColor", sourceObjectName.c_str());

            Gui::Command::doCommand(Gui::Command::Gui,"f.Base.ViewObject.hide()");
        }

        activeDoc->commitTransaction();
        Gui::Command::updateActive();
    }
    catch (Base::AbortException&){
        throw;
    }
    catch (Base::Exception &err){
        QMessageBox::critical(this, windowTitle(),
            tr("Creating Extrusion failed.\n\n%1").arg(QString::fromUtf8(err.what())));
        return;
    }
    catch(...) {
        QMessageBox::critical(this, windowTitle(),
            tr("Creating Extrusion failed.\n\n%1").arg(QString::fromUtf8("Unknown error")));
        return;
    }
}

void DlgExtrusion::apply()
{
    if (ui->treeWidget->selectedItems().isEmpty()) {
        QMessageBox::critical(this, windowTitle(), 
            tr("Select a shape for extrusion, first."));
        return;
    }

    Gui::WaitCursor wc;
    App::Document* activeDoc = App::GetApplication().getDocument(this->document.c_str());
    if (!activeDoc) {
        QMessageBox::critical(this, windowTitle(), 
            tr("The document '%1' doesn't exist.").arg(QString::fromUtf8(this->label.c_str())));
        return;
    }
    activeDoc->openTransaction("Extrude");

    Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
        .GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/Part");
    bool addBaseName = hGrp->GetBool("AddBaseObjectName", false);

    QString shape, type, name, label;
    QList<QTreeWidgetItem *> items = ui->treeWidget->selectedItems();
    for (QList<QTreeWidgetItem *>::iterator it = items.begin(); it != items.end(); ++it) {
        shape = (*it)->data(0, Qt::UserRole).toString();
        type = QString::fromLatin1("Part::Extrusion");
        if (addBaseName) {
            QString baseName = QString::fromLatin1("Extrude_%1").arg(shape);
            label = QString::fromLatin1("%1_Extrude").arg((*it)->text(0));
            name = QString::fromLatin1(activeDoc->getUniqueObjectName((const char*)baseName.toLatin1()).c_str());
        }
        else {
            name = QString::fromLatin1(activeDoc->getUniqueObjectName("Extrude").c_str());
            label = name;
        }

        double len = ui->dirLen->value();
        double dirX = ui->dirX->value();
        double dirY = ui->dirY->value();
        double dirZ = ui->dirZ->value();
        double angle = ui->taperAngle->value().getValue();
        bool makeSolid = ui->makeSolid->isChecked();

        // inspect geometry
        App::DocumentObject* obj = activeDoc->getObject((const char*)shape.toLatin1());
        if (!obj || !obj->isDerivedFrom(Part::Feature::getClassTypeId())) continue;
        Part::Feature* fea = static_cast<Part::Feature*>(obj);
        const TopoDS_Shape& data = fea->Shape.getValue();
        if (data.IsNull()) continue;

        // check for planes
        if (ui->checkNormal->isChecked() && data.ShapeType() == TopAbs_FACE) {
            BRepAdaptor_Surface adapt(TopoDS::Face(data));
            if (adapt.GetType() == GeomAbs_Plane) {
                double u = 0.5*(adapt.FirstUParameter() + adapt.LastUParameter());
                double v = 0.5*(adapt.FirstVParameter() + adapt.LastVParameter());
                BRepLProp_SLProps prop(adapt,u,v,1,Precision::Confusion());
                if (prop.IsNormalDefined()) {
                    gp_Pnt pnt; gp_Vec vec;
                    // handles the orientation state of the shape
                    BRepGProp_Face(TopoDS::Face(data)).Normal(u,v,pnt,vec);
                    dirX = vec.X();
                    dirY = vec.Y();
                    dirZ = vec.Z();
                }
            }
        }

        QString code = QString::fromLatin1(
            "FreeCAD.getDocument(\"%1\").addObject(\"%2\",\"%3\")\n"
            "FreeCAD.getDocument(\"%1\").%3.Base = FreeCAD.getDocument(\"%1\").%4\n"
            "FreeCAD.getDocument(\"%1\").%3.Dir = (%5,%6,%7)\n"
            "FreeCAD.getDocument(\"%1\").%3.Solid = (%8)\n"
            "FreeCAD.getDocument(\"%1\").%3.TaperAngle = (%9)\n"
            "FreeCADGui.getDocument(\"%1\").%4.Visibility = False\n"
            "FreeCAD.getDocument(\"%1\").%3.Label = '%10'\n")
            .arg(QString::fromLatin1(this->document.c_str()))
            .arg(type).arg(name).arg(shape)
            .arg(dirX*len)
            .arg(dirY*len)
            .arg(dirZ*len)
            .arg(makeSolid ? QLatin1String("True") : QLatin1String("False"))
            .arg(angle)
            .arg(label);
        Gui::Application::Instance->runPythonCode((const char*)code.toLatin1());
        QByteArray to = name.toLatin1();
        QByteArray from = shape.toLatin1();
        Gui::Command::copyVisual(to, "ShapeColor", from);
        Gui::Command::copyVisual(to, "LineColor", from);
        Gui::Command::copyVisual(to, "PointColor", from);
    }

    activeDoc->commitTransaction();
    try {
        ui->statusLabel->clear();
        activeDoc->recompute();
        ui->statusLabel->setText(QString::fromLatin1
            ("<span style=\" color:#55aa00;\">%1</span>").arg(tr("Succeeded")));
    }
    catch (const std::exception& e) {
//.........这里部分代码省略.........