C++ Property::isDerivedFrom方法代码示例

void ViewProviderPythonFeatureObserver::slotAppendObject(const Gui::ViewProvider& obj)
{
    if (!obj.isDerivedFrom(Gui::ViewProviderDocumentObject::getClassTypeId()))
        return;
    const Gui::ViewProviderDocumentObject& vp = static_cast<const Gui::ViewProviderDocumentObject&>(obj);
    const App::DocumentObject* docobj = vp.getObject();
    App::Document* doc = docobj->getDocument();
    std::map<const App::Document*, ObjectProxy>::iterator it = proxyMap.find(doc);
    if (it != proxyMap.end()) {
        ObjectProxy::iterator jt = it->second.find(docobj);
        if (jt != it->second.end()) {
            Base::PyGILStateLocker lock;
            try {
                App::Property* prop = vp.getPropertyByName("Proxy");
                if (prop && prop->isDerivedFrom(App::PropertyPythonObject::getClassTypeId())) {
                    // make this delayed so that the corresponding item in the tree view is accessible
                    QApplication::postEvent(this, new PropertyEvent(prop, jt->second));
                    it->second.erase(jt);
                }
            }
            catch (Py::Exception& e) {
                e.clear();
            }
        }
        // all cached objects of the documents are already destroyed
        else {
            it->second.clear();
        }
    }
}

void ViewProviderPythonFeatureObserver::slotAppendObject(const Gui::ViewProvider& obj)
{
    if (!obj.isDerivedFrom(Gui::ViewProviderDocumentObject::getClassTypeId()))
        return;
    const Gui::ViewProviderDocumentObject& vp = static_cast<const Gui::ViewProviderDocumentObject&>(obj);
    const App::DocumentObject* docobj = vp.getObject();
    App::Document* doc = docobj->getDocument();
    std::map<const App::Document*, ObjectProxy>::iterator it = proxyMap.find(doc);
    if (it != proxyMap.end()) {
        ObjectProxy::iterator jt = it->second.find(docobj);
        if (jt != it->second.end()) {
            Base::PyGILStateLocker lock;
            try {
                App::Property* prop = vp.getPropertyByName("Proxy");
                if (prop && prop->isDerivedFrom(App::PropertyPythonObject::getClassTypeId())) {
                    static_cast<App::PropertyPythonObject*>(prop)->fromString(jt->second);
                    static_cast<App::PropertyPythonObject*>(prop)->touch();
                    it->second.erase(jt);
                }
            }
            catch (Py::Exception& e) {
                e.clear();
            }
        }
        // all cached objects of the documents are already destroyed
        else {
            it->second.clear();
        }
    }
}

void Part2DObject::Restore(Base::XMLReader &reader)
{
    //override generic restoration to convert Support property from PropertyLinkSub to PropertyLinkSubList

    reader.readElement("Properties");
    int Cnt = reader.getAttributeAsInteger("Count");

    for (int i=0 ;i<Cnt ;i++) {
        reader.readElement("Property");
        const char* PropName = reader.getAttribute("name");
        const char* TypeName = reader.getAttribute("type");
        App::Property* prop = getPropertyByName(PropName);
        // NOTE: We must also check the type of the current property because a
        // subclass of PropertyContainer might change the type of a property but
        // not its name. In this case we would force to read-in a wrong property
        // type and the behaviour would be undefined.
        try {
            if(prop){
                if (strcmp(prop->getTypeId().getName(), TypeName) == 0){
                    prop->Restore(reader);
                } else if (prop->isDerivedFrom(App::PropertyLinkSubList::getClassTypeId())){
                    //reading legacy Support - when the Support could only be a single flat face.
                    App::PropertyLinkSub tmp;
                    if (0 == strcmp(tmp.getTypeId().getName(),TypeName)) {
                        tmp.setContainer(this);
                        tmp.Restore(reader);
                        static_cast<App::PropertyLinkSubList*>(prop)->setValue(tmp.getValue(), tmp.getSubValues());
                    }
                    this->MapMode.setValue(Attacher::mmFlatFace);
                }
            }
        }
        catch (const Base::XMLParseException&) {
            throw; // re-throw
        }
        catch (const Base::Exception &e) {
            Base::Console().Error("%s\n", e.what());
        }
        catch (const std::exception &e) {
            Base::Console().Error("%s\n", e.what());
        }
        catch (const char* e) {
            Base::Console().Error("%s\n", e);
        }
#ifndef FC_DEBUG
        catch (...) {
            Base::Console().Error("PropertyContainer::Restore: Unknown C++ exception thrown");
        }
#endif

        reader.readEndElement("Property");
    }
    reader.readEndElement("Properties");
}

 void customEvent(QEvent* e)
 {
     PropertyEvent* pe = static_cast<PropertyEvent*>(e);
     std::set<const Gui::ViewProvider*>::iterator it = viewMap.find(pe->view);
     // Make sure that the object hasn't been deleted in the meantime (#0001522)
     if (it != viewMap.end()) {
         viewMap.erase(it);
         App::Property* prop = pe->view->getPropertyByName("Proxy");
         if (prop && prop->isDerivedFrom(App::PropertyPythonObject::getClassTypeId())) {
             prop->Paste(*pe->prop);
         }
     }
     delete pe->prop;
 }

void ViewProviderPythonFeatureObserver::slotDeleteObject(const Gui::ViewProvider& obj)
{
    if (!obj.isDerivedFrom(Gui::ViewProviderDocumentObject::getClassTypeId()))
        return;
    const Gui::ViewProviderDocumentObject& vp = static_cast<const Gui::ViewProviderDocumentObject&>(obj);
    const App::DocumentObject* docobj = vp.getObject();
    App::Document* doc = docobj->getDocument();
    if (!doc->getUndoMode())
        return; // object will be deleted immediately, thus we don't need to store anything
    Base::PyGILStateLocker lock;
    try {
        App::Property* prop = vp.getPropertyByName("Proxy");
        if (prop && prop->isDerivedFrom(App::PropertyPythonObject::getClassTypeId())) {
            proxyMap[doc][docobj] = prop->Copy();
        }
    }
    catch (Py::Exception& e) {
        e.clear();
    }
}

std::string DrawViewSpreadsheet::getSheetImage(void)
{
    std::stringstream result;

    App::DocumentObject* link = Source.getValue();
    std::string scellstart = CellStart.getValue();
    std::string scellend = CellEnd.getValue();

    std::vector<std::string> availcolumns = getAvailColumns();

    // build rows range and columns range
    std::vector<std::string> columns;
    std::vector<int> rows;
    try {
        for (unsigned int i=0; i<scellstart.length(); ++i) {
            if (isdigit(scellstart[i])) {
                columns.push_back(scellstart.substr(0,i));
                rows.push_back(std::atoi(scellstart.substr(i,scellstart.length()-1).c_str()));
            }
        }
        for (unsigned int i=0; i<scellend.length(); ++i) {
            if (isdigit(scellend[i])) {
                std::string startcol = columns.back();
                std::string endcol = scellend.substr(0,i);
                bool valid = false;
                for (std::vector<std::string>::const_iterator j = availcolumns.begin(); j != availcolumns.end(); ++j) {
                    if ( (*j) == startcol) {
                        if ( (*j) != endcol) {
                            valid = true;
                        }
                    } else {
                        if (valid) {
                            if ( (*j) == endcol) {
                                columns.push_back((*j));
                                valid = false;
                            } else {
                                columns.push_back((*j));
                            }
                        }
                    }
                }
                int endrow = std::atoi(scellend.substr(i,scellend.length()-1).c_str());
                for (int j=rows.back()+1; j<=endrow; ++j) {
                    rows.push_back(j);
                }
            }
        }
    } catch (std::exception) {
        Base::Console().Error("Invalid cell range for %s\n",getNameInDocument());
        return result.str();
    }

    // create the containing group
    std::string ViewName = Label.getValue();

    result << getSVGHead();

    App::Color c = TextColor.getValue();
    result  << "<g id=\"" << ViewName << "\">" << endl;

    // fill the cells
    float rowoffset = 0.0;
    float coloffset = 0.0;
    float cellheight = 100;
    float cellwidth = 100;
    std::string celltext;
    Spreadsheet::Sheet* sheet = static_cast<Spreadsheet::Sheet*>(link);
    std::vector<std::string> skiplist;
    for (std::vector<std::string>::const_iterator col = columns.begin(); col != columns.end(); ++col) {
        // create a group for each column
        result << "  <g id=\"" << ViewName << "_col" << (*col) << "\">" << endl;
        for (std::vector<int>::const_iterator row = rows.begin(); row != rows.end(); ++row) {
            // get cell size
            std::stringstream srow;
            srow << (*row);
            App::CellAddress address((*col) + srow.str());
            cellwidth = sheet->getColumnWidth(address.col());
            cellheight = sheet->getRowHeight(address.row());
            celltext = "";
            // get the text
            App::Property* prop = sheet->getPropertyByName(address.toString().c_str());
            std::stringstream field;
            if (prop != 0) {
                if (prop->isDerivedFrom((App::PropertyQuantity::getClassTypeId())))
                    field << static_cast<App::PropertyQuantity*>(prop)->getValue();
                else if (prop->isDerivedFrom((App::PropertyFloat::getClassTypeId())))
                    field << static_cast<App::PropertyFloat*>(prop)->getValue();
                else if (prop->isDerivedFrom((App::PropertyString::getClassTypeId())))
                    field << static_cast<App::PropertyString*>(prop)->getValue();
                else
                    assert(0);
                celltext = field.str();
            }
            // get colors, style, alignment and span
            int alignment;
            std::string bcolor = "none";
            std::string fcolor = c.asCSSString();
            std::string textstyle = "";
            Spreadsheet::Cell* cell = sheet->getCell(address);
            if (cell) {
//.........这里部分代码省略.........

App::DocumentObjectExecReturn *FeatureViewSpreadsheet::execute(void)
{
    // quick tests
    App::DocumentObject* link = Source.getValue();
    std::string scellstart = CellStart.getValue();
    std::string scellend = CellEnd.getValue();
    if (!link)
        return new App::DocumentObjectExecReturn("No spreadsheet linked");
    if (!link->getTypeId().isDerivedFrom(Spreadsheet::Sheet::getClassTypeId()))
        return new App::DocumentObjectExecReturn("The linked object is not a spreadsheet");
    if ( (scellstart.empty()) || (scellend.empty()) )
        return new App::DocumentObjectExecReturn("Empty cell value");
    
    // build a list of available colums: A, B, C, ... AA, AB, ... ZY, ZZ.
    std::string alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    std::vector<std::string> availcolumns;
    for (int i=0; i<26; ++i) {
        std::stringstream s;
        s << alphabet[i];
        availcolumns.push_back(s.str());
    }
    for (int i=0; i<26; ++i) {
        for (int j=0; i<26; ++i) {
            std::stringstream s;
            s << alphabet[i] << alphabet[j];
            availcolumns.push_back(s.str());
        }
    }
    
    // build rows range and columns range
    std::vector<std::string> columns;
    std::vector<int> rows;
    try {
        for (unsigned int i=0; i<scellstart.length(); ++i) {
            if (isdigit(scellstart[i])) {
                columns.push_back(scellstart.substr(0,i));
                rows.push_back(std::atoi(scellstart.substr(i,scellstart.length()-1).c_str()));
            }
        }
        for (unsigned int i=0; i<scellend.length(); ++i) {
            if (isdigit(scellend[i])) {
                std::string startcol = columns.back();
                std::string endcol = scellend.substr(0,i);
                bool valid = false;
                for (std::vector<std::string>::const_iterator j = availcolumns.begin(); j != availcolumns.end(); ++j) {
                    if ( (*j) == startcol) {
                        if ( (*j) != endcol) {
                            valid = true;
                        }
                    } else {
                        if (valid) {
                            if ( (*j) == endcol) {
                                columns.push_back((*j));
                                valid = false;
                            } else {
                                columns.push_back((*j));
                            }
                        }
                    }
                }
                int endrow = std::atoi(scellend.substr(i,scellend.length()-1).c_str());
                for (int j=rows.back()+1; j<=endrow; ++j) {
                    rows.push_back(j);
                }
            }
        }
    } catch (std::exception) {
        return new App::DocumentObjectExecReturn("Invalid cell range");
    }
    
    // create the containing group
    std::string ViewName = Label.getValue();
    std::stringstream result,hr,hg,hb;
    const App::Color& c = Color.getValue();
    hr << hex << setfill('0') << setw(2) << (int)(255.0*c.r);
    hg << hex << setfill('0') << setw(2) << (int)(255.0*c.g);
    hb << hex << setfill('0') << setw(2) << (int)(255.0*c.b);
    result  << "<g id=\"" << ViewName << "\" transform=\"translate(" << X.getValue() << "," << Y.getValue() << ")"
            << " rotate(" << Rotation.getValue() << ")"
            << " scale(" << Scale.getValue() << ")\">" << endl;

    // fill the cells
    float rowoffset = 0.0;
    float coloffset = 0.0;
    float cellheight = 100;
    float cellwidth = 100;
    std::string celltext;
    Spreadsheet::Sheet* sheet = static_cast<Spreadsheet::Sheet*>(link); 
    std::vector<std::string> skiplist;   
    for (std::vector<std::string>::const_iterator col = columns.begin(); col != columns.end(); ++col) {
        // create a group for each column
        result << "  <g id=\"" << ViewName << "_col" << (*col) << "\">" << endl;
        for (std::vector<int>::const_iterator row = rows.begin(); row != rows.end(); ++row) {
            // get cell size
            std::stringstream srow;
            srow << (*row);
            App::CellAddress address((*col) + srow.str());
            cellwidth = sheet->getColumnWidth(address.col());
            cellheight = sheet->getRowHeight(address.row());
            celltext = "";
//.........这里部分代码省略.........

void DrawView::Restore(Base::XMLReader &reader)
{
// this is temporary code for backwards compat (within v0.17).  can probably be deleted once there are no development
// fcstd files with old property types in use. 
    reader.readElement("Properties");
    int Cnt = reader.getAttributeAsInteger("Count");

    for (int i=0 ;i<Cnt ;i++) {
        reader.readElement("Property");
        const char* PropName = reader.getAttribute("name");
        const char* TypeName = reader.getAttribute("type");
        App::Property* schemaProp = getPropertyByName(PropName);
        try {
            if(schemaProp){
                if (strcmp(schemaProp->getTypeId().getName(), TypeName) == 0){        //if the property type in obj == type in schema
                    schemaProp->Restore(reader);                                      //nothing special to do
                } else  {
                    if (strcmp(PropName, "Scale") == 0) {
                        if (schemaProp->isDerivedFrom(App::PropertyFloatConstraint::getClassTypeId())){  //right property type
                            schemaProp->Restore(reader);                                                  //nothing special to do (redundant)
                        } else {                                                                //Scale, but not PropertyFloatConstraint
                            App::PropertyFloat tmp;
                            if (strcmp(tmp.getTypeId().getName(),TypeName)) {                   //property in file is Float
                                tmp.setContainer(this);
                                tmp.Restore(reader);
                                double tmpValue = tmp.getValue();
                                if (tmpValue > 0.0) {
                                    static_cast<App::PropertyFloatConstraint*>(schemaProp)->setValue(tmpValue);
                                } else {
                                    static_cast<App::PropertyFloatConstraint*>(schemaProp)->setValue(1.0);
                                }
                            } else {
                                // has Scale prop that isn't Float! 
                                Base::Console().Log("DrawView::Restore - old Document Scale is Not Float!\n");
                                // no idea
                            }
                        }
                    } else if (strcmp(PropName, "Source") == 0) {
                        App::PropertyLinkGlobal glink;
                        App::PropertyLink link;
                        if (strcmp(glink.getTypeId().getName(),TypeName) == 0) {            //property in file is plg
                            glink.setContainer(this);
                            glink.Restore(reader);
                            if (glink.getValue() != nullptr) {
                                static_cast<App::PropertyLinkList*>(schemaProp)->setScope(App::LinkScope::Global);
                                static_cast<App::PropertyLinkList*>(schemaProp)->setValue(glink.getValue());
                            }
                        } else if (strcmp(link.getTypeId().getName(),TypeName) == 0) {            //property in file is pl
                            link.setContainer(this);
                            link.Restore(reader);
                            if (link.getValue() != nullptr) {
                                static_cast<App::PropertyLinkList*>(schemaProp)->setScope(App::LinkScope::Global);
                                static_cast<App::PropertyLinkList*>(schemaProp)->setValue(link.getValue());
                            }
                        
                        } else {
                            // has Source prop isn't PropertyLink or PropertyLinkGlobal! 
                            Base::Console().Log("DrawView::Restore - old Document Source is weird: %s\n", TypeName);
                            // no idea
                        }
                    } else {
                        Base::Console().Log("DrawView::Restore - old Document has unknown Property\n");
                    }
                }
            }
        }
        catch (const Base::XMLParseException&) {
            throw; // re-throw
        }
        catch (const Base::Exception &e) {
            Base::Console().Error("%s\n", e.what());
        }
        catch (const std::exception &e) {
            Base::Console().Error("%s\n", e.what());
        }
        catch (const char* e) {
            Base::Console().Error("%s\n", e);
        }
#ifndef FC_DEBUG
        catch (...) {
            Base::Console().Error("PropertyContainer::Restore: Unknown C++ exception thrown\n");
        }
#endif

        reader.readEndElement("Property");
    }
    reader.readEndElement("Properties");
}