C++ DocumentObject::isValid方法代码示例

void TaskGrooveParameters::apply()
{
    App::DocumentObject* groove = GrooveView->getObject();
    std::string name = groove->getNameInDocument();

    // retrieve sketch and its support object
    App::DocumentObject* sketch = 0;
    App::DocumentObject* support = 0;
    if (groove->getTypeId().isDerivedFrom(PartDesign::Groove::getClassTypeId())) {
        sketch = static_cast<PartDesign::Groove*>(groove)->Sketch.getValue<Sketcher::SketchObject*>();
        if (sketch) {
            support = static_cast<Sketcher::SketchObject*>(sketch)->Support.getValue();
        }
    }

    //Gui::Command::openCommand("Groove changed");
    ui->grooveAngle->apply();
    std::string axis = getReferenceAxis().toStdString();
    Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.ReferenceAxis = %s",name.c_str(),axis.c_str());
    Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.Midplane = %i",name.c_str(), getMidplane() ? 1 : 0);
    Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.%s.Reversed = %i",name.c_str(), getReversed() ? 1 : 0);
    Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.recompute()");
    if (groove->isValid()) {
        if (sketch)
            Gui::Command::doCommand(Gui::Command::Gui,"Gui.activeDocument().hide(\"%s\")",sketch->getNameInDocument());
        if (support)
            Gui::Command::doCommand(Gui::Command::Gui,"Gui.activeDocument().hide(\"%s\")",support->getNameInDocument());
    }
    Gui::Command::doCommand(Gui::Command::Gui,"Gui.activeDocument().resetEdit()");
    Gui::Command::commitCommand();
 }

bool TaskDlgFeatureParameters::accept() {
    App::DocumentObject* feature = vp->getObject();

    try {
        // Iterate over parameter dialogs and apply all parameters from them
        for ( QWidget *wgt : Content ) {
            TaskFeatureParameters *param = qobject_cast<TaskFeatureParameters *> (wgt);
            if(!param)
                continue;
            
            param->saveHistory ();
            param->apply ();
        }
        // Make sure the feature is what we are expecting
        // Should be fine but you never know...
        if ( !feature->getTypeId().isDerivedFrom(PartDesign::Feature::getClassTypeId()) ) {
            throw Base::Exception("Bad object processed in the feature dialog.");
        }

        App::DocumentObject* previous = static_cast<PartDesign::Feature*>(feature)->getBaseObject(/* silent = */ true );

        if (previous) {
            Gui::Command::doCommand(Gui::Command::Gui,"Gui.activeDocument().hide(\"%s\")",
                    previous->getNameInDocument());
        }

        Gui::Command::doCommand(Gui::Command::Doc,"App.ActiveDocument.recompute()");

        if (!feature->isValid()) {
            throw Base::Exception(vp->getObject()->getStatusString());
        }

        // detach the task panel from the selection to avoid to invoke
        // eventually onAddSelection when the selection changes
        std::vector<QWidget*> subwidgets = getDialogContent();
        for (auto it : subwidgets) {
            TaskSketchBasedParameters* param = qobject_cast<TaskSketchBasedParameters*>(it);
            if (param)
                param->detachSelection();
        }

        Gui::Command::doCommand(Gui::Command::Gui,"Gui.activeDocument().resetEdit()");
        Gui::Command::commitCommand();
    } catch (const Base::Exception& e) {
        // Generally the only thing that should fail is feature->isValid() others should be fine
        QMessageBox::warning( 0, tr("Input error"), QString::fromLatin1(e.what()));
        return false;
    }

    return true;
}

bool SweepWidget::accept()
{
    if (d->loop.isRunning())
        return false;
    Gui::SelectionFilter edgeFilter  ("SELECT Part::Feature SUBELEMENT Edge COUNT 1..");
    Gui::SelectionFilter partFilter  ("SELECT Part::Feature COUNT 1");
    bool matchEdge = edgeFilter.match();
    bool matchPart = partFilter.match();
    if (!matchEdge && !matchPart) {
        QMessageBox::critical(this, tr("Sweep path"), tr("Select one or more connected edges you want to sweep along."));
        return false;
    }

    // get the selected object
    std::string selection;
    std::string spineObject, spineLabel;
    const std::vector<Gui::SelectionObject>& result = matchEdge
        ? edgeFilter.Result[0] : partFilter.Result[0];
    selection = result.front().getAsPropertyLinkSubString();
    spineObject = result.front().getFeatName();
    spineLabel = result.front().getObject()->Label.getValue();

    QString list, solid, frenet;
    if (d->ui.checkSolid->isChecked())
        solid = QString::fromLatin1("True");
    else
        solid = QString::fromLatin1("False");

    if (d->ui.checkFrenet->isChecked())
        frenet = QString::fromLatin1("True");
    else
        frenet = QString::fromLatin1("False");

    QTextStream str(&list);

    int count = d->ui.selector->selectedTreeWidget()->topLevelItemCount();
    if (count < 1) {
        QMessageBox::critical(this, tr("Too few elements"), tr("At least one edge or wire is required."));
        return false;
    }
    for (int i=0; i<count; i++) {
        QTreeWidgetItem* child = d->ui.selector->selectedTreeWidget()->topLevelItem(i);
        QString name = child->data(0, Qt::UserRole).toString();
        if (name == QLatin1String(spineObject.c_str())) {
            QMessageBox::critical(this, tr("Wrong selection"), tr("'%1' cannot be used as profile and path.")
                .arg(QString::fromUtf8(spineLabel.c_str())));
            return false;
        }
        str << "App.getDocument('" << d->document.c_str() << "')." << name << ", ";
    }

    try {
        Gui::WaitCursor wc;
        QString cmd;
        cmd = QString::fromLatin1(
            "App.getDocument('%5').addObject('Part::Sweep','Sweep')\n"
            "App.getDocument('%5').ActiveObject.Sections=[%1]\n"
            "App.getDocument('%5').ActiveObject.Spine=%2\n"
            "App.getDocument('%5').ActiveObject.Solid=%3\n"
            "App.getDocument('%5').ActiveObject.Frenet=%4\n"
            )
            .arg(list)
            .arg(QLatin1String(selection.c_str()))
            .arg(solid)
            .arg(frenet)
            .arg(QString::fromLatin1(d->document.c_str()));

        Gui::Document* doc = Gui::Application::Instance->getDocument(d->document.c_str());
        if (!doc) throw Base::Exception("Document doesn't exist anymore");
        doc->openCommand("Sweep");
        Gui::Application::Instance->runPythonCode((const char*)cmd.toLatin1(), false, false);
        doc->getDocument()->recompute();
        App::DocumentObject* obj = doc->getDocument()->getActiveObject();
        if (obj && !obj->isValid()) {
            std::string msg = obj->getStatusString();
            doc->abortCommand();
            throw Base::Exception(msg);
        }
        doc->commitCommand();
    }
    catch (const Base::Exception& e) {
        QMessageBox::warning(this, tr("Input error"), QString::fromLatin1(e.what()));
        return false;
    }

    return true;
}