345 lines
11 KiB
C++
345 lines
11 KiB
C++
/***************************************************************************
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* Copyright (c) Stefan Tröger (stefantroeger@gmx.net) 2016 *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <cassert>
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# include <algorithm>
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#endif
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#include "Extension.h"
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#include "DocumentObject.h"
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#include "Base/Exception.h"
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#include <Base/Console.h>
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/* We do not use a standart property macro for type initiation. The reason is that we want to expose all property functions,
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* to allow the derived classes to access the private property data, but we do not want to have our
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* property data a reference to the parent data. That is because the extension is used in a multi
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* inheritance way, and hence our propertydata partent data would point to the same property data
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* as any other parent of the inherited class. It makes more sense to create a total unrelated line
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* of property datas which are added as additional parent to the extended class.
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*/
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TYPESYSTEM_SOURCE_P(App::Extension);
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const App::PropertyData * App::Extension::getPropertyDataPtr(void){return &propertyData;}
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const App::PropertyData & App::Extension::getPropertyData(void) const{return propertyData;}
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App::PropertyData App::Extension::propertyData;
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void App::Extension::init(void){
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initSubclass(App::Extension::classTypeId, "App::Extension" , "App::PropertyContainer", &(App::Extension::create) );
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}
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using namespace App;
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Extension::Extension()
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{
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}
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Extension::~Extension()
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{
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}
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void Extension::initExtension(Base::Type type) {
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m_extensionType = type;
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if(m_extensionType.isBad())
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throw Base::Exception("Extension: Extension type not set");
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}
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void Extension::initExtension(DocumentObject* obj) {
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if(m_extensionType.isBad())
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throw Base::Exception("Extension: Extension type not set");
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m_base = obj;
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m_base->registerExtension( m_extensionType, this );
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}
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PyObject* Extension::getExtensionPyObject(void) {
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return nullptr;
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}
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const char* Extension::name() {
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if(m_extensionType.isBad())
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throw Base::Exception("Extension::setExtendedObject: Extension type not set");
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std::string temp(m_extensionType.getName());
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std::string::size_type pos = temp.find_last_of(":");
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if(pos != std::string::npos)
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return temp.substr(pos+1).c_str();
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else
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return std::string().c_str();
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}
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TYPESYSTEM_SOURCE(App::ExtensionContainer, App::PropertyContainer);
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ExtensionContainer::ExtensionContainer() {
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};
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ExtensionContainer::~ExtensionContainer() {
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};
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void ExtensionContainer::registerExtension(Base::Type extension, Extension* ext) {
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if(ext->getExtendedObject() != this)
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throw Base::Exception("ExtensionContainer::registerExtension: Extension has not this as base object");
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//no duplicate extensions (including base classes)
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if(hasExtension(extension)) {
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for(auto entry : _extensions) {
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if(entry.first == extension || entry.first.isDerivedFrom(extension)) {
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_extensions.erase(entry.first);
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break;
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}
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}
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}
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_extensions[extension] = ext;
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}
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bool ExtensionContainer::hasExtension(Base::Type t) const {
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//check for the exact type
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bool found = _extensions.find(t) != _extensions.end();
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if(!found) {
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//and for types derived from it, as they can be cast to the extension
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for(auto entry : _extensions) {
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if(entry.first.isDerivedFrom(t))
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return true;
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}
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return false;
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}
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return true;
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}
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bool ExtensionContainer::hasExtension(const char* name) const {
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//and for types derived from it, as they can be cast to the extension
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for(auto entry : _extensions) {
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if(strcmp(entry.second->name(), name) == 0)
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return true;
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}
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return false;
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}
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Extension* ExtensionContainer::getExtension(Base::Type t) {
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auto result = _extensions.find(t);
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if(result == _extensions.end()) {
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//we need to check for derived types
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for(auto entry : _extensions) {
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if(entry.first.isDerivedFrom(t))
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return entry.second;
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}
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//if we arive hear we don't have anything matching
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throw Base::Exception("ExtensionContainer::getExtension: No extension of given type available");
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}
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return result->second;
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}
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Extension* ExtensionContainer::getExtension(const char* name) {
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//and for types derived from it, as they can be cast to the extension
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for(auto entry : _extensions) {
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if(strcmp(entry.second->name(), name) == 0)
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return entry.second;
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}
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return nullptr;
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}
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std::vector< Extension* > ExtensionContainer::getExtensionsDerivedFrom(Base::Type type) const {
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std::vector<Extension*> vec;
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//and for types derived from it, as they can be cast to the extension
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for(auto entry : _extensions) {
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if(entry.first.isDerivedFrom(type))
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vec.push_back(entry.second);
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}
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return vec;
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}
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void ExtensionContainer::getPropertyList(std::vector< Property* >& List) const {
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App::PropertyContainer::getPropertyList(List);
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension())
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entry.second->getPropertyList(List);
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}
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}
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void ExtensionContainer::getPropertyMap(std::map< std::string, Property* >& Map) const {
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App::PropertyContainer::getPropertyMap(Map);
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension())
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entry.second->getPropertyMap(Map);
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}
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}
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Property* ExtensionContainer::getPropertyByName(const char* name) const {
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auto prop = App::PropertyContainer::getPropertyByName(name);
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if(prop)
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return prop;
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension()){
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auto prop = entry.second->getPropertyByName(name);
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if(prop)
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return prop;
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}
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}
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return nullptr;
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}
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short int ExtensionContainer::getPropertyType(const Property* prop) const {
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short int res = App::PropertyContainer::getPropertyType(prop);
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if(res != 0)
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return res;
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension()) {
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res = entry.second->getPropertyType(prop);
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if(res != 0)
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return res;
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}
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}
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return 0;
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}
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short int ExtensionContainer::getPropertyType(const char* name) const {
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short int res = App::PropertyContainer::getPropertyType(name);
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if(res != 0)
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return res;
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension()) {
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res = entry.second->getPropertyType(name);
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if(res != 0)
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return res;
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}
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}
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return 0;
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}
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const char* ExtensionContainer::getPropertyName(const Property* prop) const {
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const char* res = App::PropertyContainer::getPropertyName(prop);
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if(res != 0)
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return res;
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension()) {
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res = entry.second->getPropertyName(prop);
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if(res != 0)
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return res;
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}
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}
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return 0;
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}
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const char* ExtensionContainer::getPropertyGroup(const Property* prop) const {
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const char* res = App::PropertyContainer::getPropertyGroup(prop);
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if(res != 0)
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return res;
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension()) {
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res = entry.second->getPropertyGroup(prop);
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if(res != 0)
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return res;
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}
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}
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return 0;
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}
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const char* ExtensionContainer::getPropertyGroup(const char* name) const {
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const char* res = App::PropertyContainer::getPropertyGroup(name);
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if(res != 0)
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return res;
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension()) {
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res = entry.second->getPropertyGroup(name);
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if(res != 0)
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return res;
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}
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}
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return 0;
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}
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const char* ExtensionContainer::getPropertyDocumentation(const Property* prop) const {
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const char* res = App::PropertyContainer::getPropertyDocumentation(prop);
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if(res != 0)
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return res;
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension()) {
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res = entry.second->getPropertyDocumentation(prop);
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if(res != 0)
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return res;
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}
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}
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return 0;
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}
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const char* ExtensionContainer::getPropertyDocumentation(const char* name) const {
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const char* res = App::PropertyContainer::getPropertyDocumentation(name);
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if(res != 0)
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return res;
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for(auto entry : _extensions) {
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if(entry.second->isPythonExtension()) {
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res = entry.second->getPropertyDocumentation(name);
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if(res != 0)
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return res;
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}
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}
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return 0;
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}
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