TaskRevolutionParameters::TaskRevolutionParameters(ViewProviderRevolution *RevolutionView,QWidget *parent)
    : TaskBox(Gui::BitmapFactory().pixmap("PartDesign_Revolution"),tr("Revolution parameters"),true, parent),RevolutionView(RevolutionView)
{
    // we need a separate container widget to add all controls to
    proxy = new QWidget(this);
    ui = new Ui_TaskRevolutionParameters();
    ui->setupUi(proxy);
    QMetaObject::connectSlotsByName(this);

    connect(ui->doubleSpinBox, SIGNAL(valueChanged(double)),
            this, SLOT(onAngleChanged(double)));
    connect(ui->axis, SIGNAL(activated(int)),
            this, SLOT(onAxisChanged(int)));
    connect(ui->checkBoxMidplane, SIGNAL(toggled(bool)),
            this, SLOT(onMidplane(bool)));
    connect(ui->checkBoxReversed, SIGNAL(toggled(bool)),
            this, SLOT(onReversed(bool)));
    connect(ui->checkBoxUpdateView, SIGNAL(toggled(bool)),
            this, SLOT(onUpdateView(bool)));

    this->groupLayout()->addWidget(proxy);

    // Temporarily prevent unnecessary feature recomputes
    ui->doubleSpinBox->blockSignals(true);
    ui->axis->blockSignals(true);
    ui->checkBoxMidplane->blockSignals(true);
    ui->checkBoxReversed->blockSignals(true);

    PartDesign::Revolution* pcRevolution = static_cast<PartDesign::Revolution*>(RevolutionView->getObject());
    double l = pcRevolution->Angle.getValue();
    bool mirrored = pcRevolution->Midplane.getValue();
    bool reversed = pcRevolution->Reversed.getValue();

    ui->doubleSpinBox->setValue(l);

    int count=pcRevolution->getSketchAxisCount();

    for (int i=ui->axis->count()-1; i >= count+2; i--)
        ui->axis->removeItem(i);
    for (int i=ui->axis->count(); i < count+2; i++)
        ui->axis->addItem(QString::fromAscii("Sketch axis %1").arg(i-2));

    int pos=-1;

    App::DocumentObject *pcReferenceAxis = pcRevolution->ReferenceAxis.getValue();
    const std::vector<std::string> &subReferenceAxis = pcRevolution->ReferenceAxis.getSubValues();
    if (pcReferenceAxis && pcReferenceAxis == pcRevolution->Sketch.getValue()) {
        assert(subReferenceAxis.size()==1);
        if (subReferenceAxis[0] == "V_Axis")
            pos = 0;
        else if (subReferenceAxis[0] == "H_Axis")
            pos = 1;
        else if (subReferenceAxis[0].size() > 4 && subReferenceAxis[0].substr(0,4) == "Axis")
            pos = 2 + std::atoi(subReferenceAxis[0].substr(4,4000).c_str());
    }

    if (pos < 0 || pos >= ui->axis->count()) {
        ui->axis->addItem(tr("Undefined"));
        pos = ui->axis->count()-1;
    }

    ui->axis->setCurrentIndex(pos);

    ui->checkBoxMidplane->setChecked(mirrored);
    ui->checkBoxReversed->setChecked(reversed);

    ui->doubleSpinBox->blockSignals(false);
    ui->axis->blockSignals(false);
    ui->checkBoxMidplane->blockSignals(false);
    ui->checkBoxReversed->blockSignals(false);

    setFocus ();
}