C++ Quantity::setValue方法代码示例

PyObject* SketchObjectPy::setDatum(PyObject *args)
{
    double Datum;
    int    Index;
    PyObject* object;
    Base::Quantity Quantity;
    if (PyArg_ParseTuple(args,"iO!", &Index, &(Base::QuantityPy::Type), &object)) {
        Quantity = *(static_cast<Base::QuantityPy*>(object)->getQuantityPtr());
        if (Quantity.getUnit() == Base::Unit::Angle)
            //Datum = Quantity.getValueAs(Base::Quantity::Radian);
            Datum = Base::toRadians<double>(Quantity.getValue());
        else
            Datum = Quantity.getValue();
    }
    else {
        PyErr_Clear();
        if (!PyArg_ParseTuple(args, "id", &Index, &Datum))
            return 0;
        Quantity.setValue(Datum);
    }

    int err=this->getSketchObjectPtr()->setDatum(Index, Datum);
    if (err) {
        std::stringstream str;
        if (err == -1)
            str << "Invalid constraint index: " << Index;
        else if (err == -3)
            str << "Cannot set the datum because the sketch contains conflicting constraints";
        else if (err == -2)
            str << "Datum " << (const char*)Quantity.getUserString().toUtf8() << " for the constraint with index " << Index << " is invalid";
        else if (err == -4)
            str << "Negative datum values are not valid for the constraint with index " << Index;
        else if (err == -5)
            str << "Zero is not a valid datum for the constraint with index " << Index;
        else
            str << "Unexpected problem at setting datum " << (const char*)Quantity.getUserString().toUtf8() << " for the constraint with index " << Index;
        PyErr_SetString(PyExc_ValueError, str.str().c_str());
        return 0;
    }

    Py_Return;
}

std::string  DrawViewDimension::getFormatedValue() const
{
    QString str = QString::fromUtf8(FormatSpec.getStrValue().c_str());
    double val = std::abs(getDimValue());
    //QLocale here(QLocale::German);                                           //for testing
    //here.setNumberOptions(QLocale::OmitGroupSeparator);
    QLocale here = QLocale();                                                  //system locale
    QString valText = here.toString(val, 'f',Precision.getValue());

    Base::Quantity qVal;
    qVal.setValue(val);
    if (Type.isValue("Angle")) {
        qVal.setUnit(Base::Unit::Angle);
    } else {
        qVal.setUnit(Base::Unit::Length);
    }
    QString userStr = qVal.getUserString();
    QStringList userSplit = userStr.split(QString::fromUtf8(" "),QString::SkipEmptyParts);   //break userString into number + UoM
    QString displayText;
    if (!userSplit.isEmpty()) {
       QString unitText = userSplit.back();
       displayText = valText + QString::fromUtf8(" ") + unitText;
    }

    QRegExp rx(QString::fromAscii("%(\\w+)%"));                        //any word bracketed by %
    QStringList list;
    int pos = 0;

    while ((pos = rx.indexIn(str, pos)) != -1) {
        list << rx.cap(0);
        pos += rx.matchedLength();
    }

    for(QStringList::const_iterator it = list.begin(); it != list.end(); ++it) {
        if(*it == QString::fromAscii("%value%")){
            str.replace(*it,displayText);
        } else {                                                       //insert additional placeholder replacement logic here
            str.replace(*it, QString::fromAscii(""));                  //maybe we should just leave what was there?
        }
    }
    return str.toStdString();
}

PyObject* SketchObjectPy::getDatum(PyObject *args)
{
    const std::vector<Constraint*>& vals = this->getSketchObjectPtr()->Constraints.getValues();
    Constraint* constr = 0;

    do {
        int index = 0;
        if (PyArg_ParseTuple(args,"i", &index)) {
            if (index < 0 || index >= static_cast<int>(vals.size())) {
                PyErr_SetString(PyExc_IndexError, "index out of range");
                return 0;
            }

            constr = vals[index];
            break;
        }

        PyErr_Clear();
        char* name;
        if (PyArg_ParseTuple(args,"s", &name)) {
            int id = 0;
            for (std::vector<Constraint*>::const_iterator it = vals.begin(); it != vals.end(); ++it, ++id) {
                if (Sketcher::PropertyConstraintList::getConstraintName((*it)->Name, id) == name) {
                    constr = *it;
                    break;
                }
            }

            if (!constr) {
                std::stringstream str;
                str << "Invalid constraint name: '" << name << "'";
                PyErr_SetString(PyExc_NameError, str.str().c_str());
                return 0;
            }
            else {
                break;
            }
        }

        // error handling
        PyErr_SetString(PyExc_TypeError, "Wrong arguments");
        return 0;
    }
    while (false);

    ConstraintType type = constr->Type;
    if (type != Distance &&
        type != DistanceX &&
        type != DistanceY &&
        type != Radius &&
        type != Angle) {
        PyErr_SetString(PyExc_TypeError, "Constraint is not a datum");
        return 0;
    }

    Base::Quantity datum;
    datum.setValue(constr->getValue());
    if (type == Angle) {
        datum.setValue(Base::toDegrees<double>(datum.getValue()));
        datum.setUnit(Base::Unit::Angle);
    }
    else {
        datum.setUnit(Base::Unit::Length);
    }

    return new Base::QuantityPy(new Base::Quantity(datum));
}

PyObject* SketchObjectPy::setDatum(PyObject *args)
{
    double Datum;
    int    Index;
    PyObject* object;
    Base::Quantity Quantity;

    do {
        // handle (int,Quantity)
        if (PyArg_ParseTuple(args,"iO!", &Index, &(Base::QuantityPy::Type), &object)) {
            Quantity = *(static_cast<Base::QuantityPy*>(object)->getQuantityPtr());
            if (Quantity.getUnit() == Base::Unit::Angle) {
                Datum = Base::toRadians<double>(Quantity.getValue());
                break;
            }
            else {
                Datum = Quantity.getValue();
                break;
            }
        }

        // handle (int,double)
        PyErr_Clear();
        if (PyArg_ParseTuple(args, "id", &Index, &Datum)) {
            Quantity.setValue(Datum);
            break;
        }

        // handle (string,Quantity)
        char* constrName;
        PyErr_Clear();
        if (PyArg_ParseTuple(args,"sO!", &constrName, &(Base::QuantityPy::Type), &object)) {
            Quantity = *(static_cast<Base::QuantityPy*>(object)->getQuantityPtr());
            if (Quantity.getUnit() == Base::Unit::Angle) {
                Datum = Base::toRadians<double>(Quantity.getValue());
            }
            else {
                Datum = Quantity.getValue();
            }

            int i = 0;
            Index = -1;
            const std::vector<Constraint*>& vals = this->getSketchObjectPtr()->Constraints.getValues();
            for (std::vector<Constraint*>::const_iterator it = vals.begin(); it != vals.end(); ++it, ++i) {
                if ((*it)->Name == constrName) {
                    Index = i;
                    break;
                }
            }

            if (Index >= 0) {
                break;
            }
            else {
                std::stringstream str;
                str << "Invalid constraint name: '" << constrName << "'";
                PyErr_SetString(PyExc_ValueError, str.str().c_str());
                return 0;
            }
        }

        // handle (string,double)
        PyErr_Clear();
        if (PyArg_ParseTuple(args, "sd", &constrName, &Datum)) {
            Quantity.setValue(Datum);
            int i = 0;
            Index = -1;
            const std::vector<Constraint*>& vals = this->getSketchObjectPtr()->Constraints.getValues();
            for (std::vector<Constraint*>::const_iterator it = vals.begin(); it != vals.end(); ++it, ++i) {
                if ((*it)->Name == constrName) {
                    Index = i;
                    break;
                }
            }

            if (Index >= 0) {
                break;
            }
            else {
                std::stringstream str;
                str << "Invalid constraint name: '" << constrName << "'";
                PyErr_SetString(PyExc_ValueError, str.str().c_str());
                return 0;
            }
        }

        // error handling
        PyErr_SetString(PyExc_TypeError, "Wrong arguments");
        return 0;
    }
    while (false);

    int err=this->getSketchObjectPtr()->setDatum(Index, Datum);
    if (err) {
        std::stringstream str;
        if (err == -1)
            str << "Invalid constraint index: " << Index;
        else if (err == -3)
            str << "Cannot set the datum because the sketch contains conflicting constraints";
        else if (err == -2)
//.........这里部分代码省略.........

QVariant PropertyConstraintListItem::value(const App::Property* prop) const
{
    assert(prop && prop->getTypeId().isDerivedFrom(Sketcher::PropertyConstraintList::getClassTypeId()));

    PropertyConstraintListItem* self = const_cast<PropertyConstraintListItem*>(this);

    int id = 1;

    QList<Base::Quantity> quantities;
    QList<Base::Quantity> subquantities;
    bool onlyNamed = true;

    const std::vector< Sketcher::Constraint * > &vals = static_cast<const Sketcher::PropertyConstraintList*>(prop)->getValues();
    for (std::vector< Sketcher::Constraint* >::const_iterator it = vals.begin();it != vals.end(); ++it, ++id) {
        if ((*it)->Type == Sketcher::Distance || // Datum constraint
            (*it)->Type == Sketcher::DistanceX ||
            (*it)->Type == Sketcher::DistanceY ||
            (*it)->Type == Sketcher::Radius ||
            (*it)->Type == Sketcher::Angle ) {

            Base::Quantity quant;
            if ((*it)->Type == Sketcher::Angle ) {
                double datum = Base::toDegrees<double>((*it)->getValue());
                quant.setUnit(Base::Unit::Angle);
                quant.setValue(datum);
            }
            else {
                quant.setUnit(Base::Unit::Length);
                quant.setValue((*it)->getValue());
            }

            quantities.append(quant);

            // Use a 7-bit ASCII string for the internal name.
            // See also comment in PropertyConstraintListItem::initialize()
            QString internalName = QString::fromLatin1("Constraint%1").arg(id);
            PropertyConstraintListItem* self = const_cast<PropertyConstraintListItem*>(this);

            self->blockEvent = true;

            if ((*it)->Name.empty() && !onlyUnnamed) {
                onlyNamed = false;
                subquantities.append(quant);
                PropertyConstraintListItem* unnamednode = static_cast<PropertyConstraintListItem*>(self->child(self->childCount()-1));
                unnamednode->blockEvent = true;
                unnamednode->setProperty(internalName.toLatin1(), QVariant::fromValue<Base::Quantity>(quant));
                unnamednode->blockEvent = false;
            }
            else {
                self->setProperty(internalName.toLatin1(), QVariant::fromValue<Base::Quantity>(quant));
            }

            self->blockEvent = false;
        }
    }

    // The quantities of unnamed constraints are only needed for display purposes inside toString()
    if (!onlyUnnamed && !onlyNamed) {
        self->blockEvent = true;
        self->setProperty("Unnamed", QVariant::fromValue< QList<Base::Quantity> >(subquantities));
        self->blockEvent = false;
    }

    return QVariant::fromValue< QList<Base::Quantity> >(quantities);
}

//.........这里部分代码省略.........
                goto end;
            }
            if (copy.at(1) == locale.decimalPoint()
                    && (minus && copy.at(0) == QLatin1Char('-'))) {
                state = QValidator::Intermediate;
                copy.insert(1, QLatin1Char('0'));
                pos++;
                len++;
                goto end;
            }
            break;
        default:
            break;
        }

        {
            if (copy.at(0) == locale.groupSeparator()) {
                state = QValidator::Invalid;
                goto end;
            }
            else if (len > 1) {
                const int dec = copy.indexOf(locale.decimalPoint());
                if (dec != -1) {
                    if (dec + 1 < copy.size() && copy.at(dec + 1) == locale.decimalPoint() && pos == dec + 1) {
                        copy.remove(dec + 1, 1);
                    }
                    else if (copy.indexOf(locale.decimalPoint(), dec + 1) != -1) {
                        // trying to add a second decimal point is not allowed
                        state = QValidator::Invalid;
                        goto end;
                    }
                    for (int i=dec + 1; i<copy.size(); ++i) {
                        // a group separator after the decimal point is not allowed
                        if (copy.at(i) == locale.groupSeparator()) {
                            state = QValidator::Invalid;
                            goto end;
                        }
                    }
                }
            }

            bool ok = false;
            double value = min;

            if (locale.negativeSign() != QLatin1Char('-'))
                copy.replace(locale.negativeSign(), QLatin1Char('-'));
            if (locale.positiveSign() != QLatin1Char('+'))
                copy.replace(locale.positiveSign(), QLatin1Char('+'));

            try {
                QString copy2 = copy;
                copy2.remove(locale.groupSeparator());

                res = Base::Quantity::parse(copy2);
                value = res.getValue();
                ok = true;
            }
            catch (Base::Exception&) {
            }

            if (!ok) {
                // input may not be finished
                state = QValidator::Intermediate;
            }
            else if (value >= min && value <= max) {
                if (copy.endsWith(locale.decimalPoint())) {
                    // input shouldn't end with a decimal point
                    state = QValidator::Intermediate;
                }
                else if (res.getUnit().isEmpty() && !this->unit.isEmpty()) {
                    // if not dimensionless the input should have a dimension
                    state = QValidator::Intermediate;
                }
                else if (res.getUnit() != this->unit) {
                    state = QValidator::Invalid;
                }
                else {
                    state = QValidator::Acceptable;
                }
            }
            else if (max == min) { // when max and min is the same the only non-Invalid input is max (or min)
                state = QValidator::Invalid;
            }
            else {
                if ((value >= 0 && value > max) || (value < 0 && value < min)) {
                    state = QValidator::Invalid;
                }
                else {
                    state = QValidator::Intermediate;
                }
            }
        }
end:
        if (state != QValidator::Acceptable) {
            res.setValue(max > 0 ? min : max);
        }

        input = copy;
        return res;
    }