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PropertyLinks.cpp
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PropertyLinks.cpp
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/***************************************************************************
* Copyright (c) 2002 Jürgen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <assert.h>
# include <sstream>
#endif
#include <QFileInfo>
#include <QDateTime>
#include <QDir>
#include <boost/algorithm/string/predicate.hpp>
#include <boost_bind_bind.hpp>
/// Here the FreeCAD includes sorted by Base,App,Gui......
#include <CXX/Objects.hxx>
#include <Base/Exception.h>
#include <Base/Reader.h>
#include <Base/Writer.h>
#include <Base/Console.h>
#include <Base/Exception.h>
#include "Application.h"
#include "DocumentObject.h"
#include "DocumentObjectPy.h"
#include "Document.h"
#include "PropertyLinks.h"
FC_LOG_LEVEL_INIT("PropertyLinks",true,true)
using namespace App;
using namespace Base;
using namespace std;
namespace bp = boost::placeholders;
//**************************************************************************
//**************************************************************************
// PropertyLinkBase
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
TYPESYSTEM_SOURCE_ABSTRACT(App::PropertyLinkBase , App::Property)
static std::unordered_map<std::string, std::set<PropertyLinkBase*> > _LabelMap;
PropertyLinkBase::PropertyLinkBase()
{}
PropertyLinkBase::~PropertyLinkBase() {
unregisterLabelReferences();
unregisterElementReference();
}
void PropertyLinkBase::setAllowExternal(bool allow) {
setFlag(LinkAllowExternal,allow);
}
void PropertyLinkBase::hasSetValue() {
auto owner = dynamic_cast<DocumentObject*>(getContainer());
if(owner)
owner->clearOutListCache();
Property::hasSetValue();
}
void PropertyLinkBase::unregisterElementReference() {
}
void PropertyLinkBase::unregisterLabelReferences()
{
for(auto &label : _LabelRefs) {
auto it = _LabelMap.find(label);
if(it!=_LabelMap.end()) {
it->second.erase(this);
if(it->second.empty())
_LabelMap.erase(it);
}
}
_LabelRefs.clear();
}
void PropertyLinkBase::getLabelReferences(std::vector<std::string> &subs,const char *subname) {
const char *dot;
for(;(subname=strchr(subname,'$'))!=0; subname=dot+1) {
++subname;
dot = strchr(subname,'.');
if(!dot) break;
subs.emplace_back(subname,dot-subname);
}
}
void PropertyLinkBase::registerLabelReferences(std::vector<std::string> &&labels, bool reset) {
if(reset)
unregisterLabelReferences();
for(auto &label : labels) {
auto res = _LabelRefs.insert(std::move(label));
if(res.second)
_LabelMap[*res.first].insert(this);
}
}
void PropertyLinkBase::checkLabelReferences(const std::vector<std::string> &subs, bool reset) {
if(reset)
unregisterLabelReferences();
std::vector<std::string> labels;
for(auto &sub : subs) {
labels.clear();
getLabelReferences(labels,sub.c_str());
registerLabelReferences(std::move(labels),false);
}
}
std::string PropertyLinkBase::updateLabelReference(const App::DocumentObject *parent,
const char *subname, App::DocumentObject *obj, const std::string &ref, const char *newLabel)
{
if(!obj || !obj->getNameInDocument() || !parent || !parent->getNameInDocument())
return std::string();
// Because the label is allowed to be the same across different
// hierarchies, we have to search for all occurrences, and make sure the
// referenced sub-object at the found hierarchy is actually the given
// object.
for(const char *pos=subname; ((pos=strstr(pos,ref.c_str()))!=0); pos+=ref.size()) {
auto sub = std::string(subname,pos+ref.size()-subname);
auto sobj = parent->getSubObject(sub.c_str());
if(sobj == obj) {
sub = subname;
sub.replace(pos+1-subname,ref.size()-2,newLabel);
return sub;
}
}
return std::string();
}
std::vector<std::pair<Property*, std::unique_ptr<Property> > >
PropertyLinkBase::updateLabelReferences(App::DocumentObject *obj, const char *newLabel)
{
std::vector<std::pair<Property*,std::unique_ptr<Property> > > ret;
if(!obj || !obj->getNameInDocument())
return ret;
auto it = _LabelMap.find(obj->Label.getStrValue());
if(it == _LabelMap.end())
return ret;
std::string ref("$");
ref += obj->Label.getValue();
ref += '.';
std::vector<PropertyLinkBase*> props;
props.reserve(it->second.size());
props.insert(props.end(),it->second.begin(),it->second.end());
for(auto prop : props) {
if(!prop->getContainer())
continue;
std::unique_ptr<Property> copy(prop->CopyOnLabelChange(obj,ref,newLabel));
if(copy)
ret.emplace_back(prop,std::move(copy));
}
return ret;
}
static std::string propertyName(const Property *prop) {
if(!prop)
return std::string();
if(!prop->getContainer() || !prop->getName()) {
auto xlink = Base::freecad_dynamic_cast<const PropertyXLink>(prop);
if(xlink)
return propertyName(xlink->parent());
}
return prop->getFullName();
}
void PropertyLinkBase::updateElementReferences(DocumentObject *feature, bool reverse) {
(void)feature;
(void)reverse;
}
void PropertyLinkBase::_registerElementReference(App::DocumentObject *obj, std::string &sub, ShadowSub &shadow)
{
(void)obj;
(void)sub;
(void)shadow;
}
class StringGuard {
public:
StringGuard(char *c)
:c(c)
{
v1 = c[0];
v2 = c[1];
c[0] = '.';
c[1] = 0;
}
~StringGuard()
{
c[0] = v1;
c[1] = v2;
}
char *c;
char v1;
char v2;
};
void PropertyLinkBase::restoreLabelReference(const DocumentObject *obj,
std::string &subname, ShadowSub *shadow)
{
std::ostringstream ss;
char *sub = &subname[0];
char *next=sub;
for(char *dot=strchr(next,'.');dot;next=dot+1,dot=strchr(next,'.')) {
if(dot!=next && dot[-1]!='@')
continue;
DocumentObject *sobj;
try {
StringGuard guard(dot-1);
sobj = obj->getSubObject(subname.c_str());
if(!sobj) {
FC_ERR("Failed to restore label reference " << obj->getFullName()
<< '.' << ss.str());
return;
}
}catch(...){
throw;
}
ss.write(sub,next-sub);
ss << '$' << sobj->Label.getStrValue() << '.';
sub = dot+1;
}
if(sub == subname.c_str())
return;
size_t count = sub-subname.c_str();
const auto &newSub = ss.str();
if(shadow && shadow->second.size()>=count)
shadow->second = newSub + (shadow->second.c_str()+count);
if(shadow && shadow->first.size()>=count)
shadow->first = newSub + (shadow->first.c_str()+count);
subname = newSub + sub;
}
bool PropertyLinkBase::_updateElementReference(DocumentObject *feature,
App::DocumentObject *obj, std::string &sub, ShadowSub &shadow,
bool reverse, bool notify)
{
(void)feature;
(void)obj;
(void)reverse;
(void)notify;
shadow.second = sub;
return false;
}
std::pair<DocumentObject*, std::string>
PropertyLinkBase::tryReplaceLink(const PropertyContainer *owner, DocumentObject *obj,
const DocumentObject *parent, DocumentObject *oldObj, DocumentObject *newObj, const char *subname)
{
std::pair<DocumentObject*, std::string> res;
res.first = 0;
if(oldObj == obj) {
if(owner == parent) {
// Do not throw on sub object error yet. It's better to let
// recompute find out the error and point out the affected objects
// to user.
#if 0
if(subname && subname[0] && !newObj->getSubObject(subname)) {
FC_THROWM(Base::RuntimeError,
"Sub-object '" << newObj->getFullName()
<< '.' << subname << "' not found when replacing link in "
<< owner->getFullName() << '.' << getName());
}
#endif
res.first = newObj;
if(subname) res.second = subname;
return res;
}
return res;
}
if(!subname || !subname[0])
return res;
App::DocumentObject *prev = obj;
std::size_t prevPos = 0;
std::string sub = subname;
for(auto pos=sub.find('.');pos!=std::string::npos;pos=sub.find('.',pos)) {
++pos;
char c = sub[pos];
sub[pos] = 0;
auto sobj = obj->getSubObject(sub.c_str());
sub[pos] = c;
if(!sobj)
break;
if(sobj == oldObj) {
if(prev == parent) {
#if 0
if(sub[pos] && !newObj->getSubObject(sub.c_str()+pos)) {
FC_THROWM(Base::RuntimeError,
"Sub-object '" << newObj->getFullName()
<< '.' << (sub.c_str()+pos) << "' not found when replacing link in "
<< owner->getFullName() << '.' << getName());
}
#endif
if(sub[prevPos] == '$')
sub.replace(prevPos+1,pos-1-prevPos,newObj->Label.getValue());
else
sub.replace(prevPos,pos-1-prevPos,newObj->getNameInDocument());
res.first = obj;
res.second = std::move(sub);
return res;
}
break;
}else if(prev == parent)
break;
prev = sobj;
prevPos = pos;
}
return res;
}
std::pair<DocumentObject*,std::vector<std::string> >
PropertyLinkBase::tryReplaceLinkSubs(const PropertyContainer *owner,
DocumentObject *obj, const DocumentObject *parent, DocumentObject *oldObj,
DocumentObject *newObj, const std::vector<std::string> &subs)
{
std::pair<DocumentObject*,std::vector<std::string> > res;
res.first = 0;
auto r = tryReplaceLink(owner,obj,parent,oldObj,newObj);
if(r.first) {
res.first = r.first;
res.second = subs;
return res;
}
for(auto it=subs.begin();it!=subs.end();++it) {
auto r = tryReplaceLink(owner,obj,parent,oldObj,newObj,it->c_str());
if(r.first) {
if(!res.first) {
res.first = r.first;
res.second.insert(res.second.end(),subs.begin(),it);
}
res.second.push_back(std::move(r.second));
}else if(res.first)
res.second.push_back(*it);
}
return res;
}
//**************************************************************************
//**************************************************************************
// PropertyLinkListBase
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
TYPESYSTEM_SOURCE_ABSTRACT(App::PropertyLinkListBase , App::PropertyLinkBase)
//**************************************************************************
//**************************************************************************
// PropertyLink
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
TYPESYSTEM_SOURCE(App::PropertyLink, App::PropertyLinkBase)
TYPESYSTEM_SOURCE(App::PropertyLinkChild , App::PropertyLink)
TYPESYSTEM_SOURCE(App::PropertyLinkGlobal , App::PropertyLink)
TYPESYSTEM_SOURCE(App::PropertyLinkHidden , App::PropertyLink)
//**************************************************************************
// Construction/Destruction
PropertyLink::PropertyLink()
:_pcLink(0)
{
}
PropertyLink::~PropertyLink()
{
resetLink();
}
//**************************************************************************
// Base class implementer
void PropertyLink::resetLink() {
//in case this property gets dynamically removed
#ifndef USE_OLD_DAG
// maintain the back link in the DocumentObject class if it is from a document object
if (_pcScope!=LinkScope::Hidden &&
_pcLink &&
getContainer() &&
getContainer()->isDerivedFrom(App::DocumentObject::getClassTypeId()))
{
App::DocumentObject* parent = static_cast<DocumentObject*>(getContainer());
// before accessing internals make sure the object is not about to be destroyed
// otherwise the backlink contains dangling pointers
if (!parent->testStatus(ObjectStatus::Destroy)) {
if (_pcLink)
_pcLink->_removeBackLink(parent);
}
}
#endif
_pcLink = 0;
}
void PropertyLink::setValue(App::DocumentObject * lValue)
{
auto parent = dynamic_cast<App::DocumentObject*>(getContainer());
if(!testFlag(LinkAllowExternal) && parent && lValue && parent->getDocument()!=lValue->getDocument())
throw Base::ValueError("PropertyLink does not support external object");
aboutToSetValue();
#ifndef USE_OLD_DAG
// maintain the back link in the DocumentObject class if it is from a document object
if (_pcScope!=LinkScope::Hidden && parent) {
// before accessing internals make sure the object is not about to be destroyed
// otherwise the backlink contains dangling pointers
if (!parent->testStatus(ObjectStatus::Destroy)) {
if (_pcLink)
_pcLink->_removeBackLink(parent);
if (lValue)
lValue->_addBackLink(parent);
}
}
#endif
_pcLink=lValue;
hasSetValue();
}
App::DocumentObject * PropertyLink::getValue(void) const
{
return _pcLink;
}
App::DocumentObject * PropertyLink::getValue(Base::Type t) const
{
return (_pcLink && _pcLink->getTypeId().isDerivedFrom(t)) ? _pcLink : 0;
}
PyObject *PropertyLink::getPyObject(void)
{
if (_pcLink)
return _pcLink->getPyObject();
else
Py_Return;
}
void PropertyLink::setPyObject(PyObject *value)
{
if (PyObject_TypeCheck(value, &(DocumentObjectPy::Type))) {
DocumentObjectPy *pcObject = (DocumentObjectPy*)value;
setValue(pcObject->getDocumentObjectPtr());
}
else if (Py_None == value) {
setValue(0);
}
else {
std::string error = std::string("type must be 'DocumentObject' or 'NoneType', not ");
error += value->ob_type->tp_name;
throw Base::TypeError(error);
}
}
void PropertyLink::Save (Base::Writer &writer) const
{
writer.Stream() << writer.ind() << "<Link value=\"" << (_pcLink?_pcLink->getExportName():"") <<"\"/>" << std::endl;
}
void PropertyLink::Restore(Base::XMLReader &reader)
{
// read my element
reader.readElement("Link");
// get the value of my attribute
std::string name = reader.getName(reader.getAttribute("value"));
// Property not in a DocumentObject!
assert(getContainer()->getTypeId().isDerivedFrom(App::DocumentObject::getClassTypeId()) );
if (name != "") {
DocumentObject* parent = static_cast<DocumentObject*>(getContainer());
App::Document* document = parent->getDocument();
DocumentObject* object = document ? document->getObject(name.c_str()) : 0;
if (!object) {
if (reader.isVerbose()) {
Base::Console().Warning("Lost link to '%s' while loading, maybe "
"an object was not loaded correctly\n",name.c_str());
}
}
else if (parent == object) {
if (reader.isVerbose()) {
Base::Console().Warning("Object '%s' links to itself, nullify it\n",name.c_str());
}
object = 0;
}
setValue(object);
}
else {
setValue(0);
}
}
Property *PropertyLink::Copy(void) const
{
PropertyLink *p= new PropertyLink();
p->_pcLink = _pcLink;
return p;
}
void PropertyLink::Paste(const Property &from)
{
if (!from.isDerivedFrom(PropertyLink::getClassTypeId()))
throw Base::TypeError("Incompatible property to paste to");
setValue(static_cast<const PropertyLink&>(from)._pcLink);
}
void PropertyLink::getLinks(std::vector<App::DocumentObject *> &objs,
bool all, std::vector<std::string> *subs, bool newStyle) const
{
(void)newStyle;
(void)subs;
if((all||_pcScope!=LinkScope::Hidden) && _pcLink && _pcLink->getNameInDocument())
objs.push_back(_pcLink);
}
void PropertyLink::breakLink(App::DocumentObject *obj, bool clear) {
if(_pcLink == obj || (clear && getContainer()==obj))
setValue(0);
}
bool PropertyLink::adjustLink(const std::set<App::DocumentObject*> &inList) {
(void)inList;
return false;
}
Property *PropertyLink::CopyOnLinkReplace(const App::DocumentObject *parent,
App::DocumentObject *oldObj, App::DocumentObject *newObj) const
{
auto res = tryReplaceLink(getContainer(),_pcLink,parent,oldObj,newObj);
if(res.first) {
auto p = new PropertyLink();
p->_pcLink = res.first;
return p;
}
return 0;
}
//**************************************************************************
// PropertyLinkList
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
TYPESYSTEM_SOURCE(App::PropertyLinkList, App::PropertyLinkListBase)
TYPESYSTEM_SOURCE(App::PropertyLinkListChild, App::PropertyLinkList)
TYPESYSTEM_SOURCE(App::PropertyLinkListGlobal, App::PropertyLinkList)
TYPESYSTEM_SOURCE(App::PropertyLinkListHidden, App::PropertyLinkList)
//**************************************************************************
// Construction/Destruction
PropertyLinkList::PropertyLinkList()
{
}
PropertyLinkList::~PropertyLinkList()
{
//in case this property gety dynamically removed
#ifndef USE_OLD_DAG
//maintain the back link in the DocumentObject class
if (_pcScope!=LinkScope::Hidden &&
!_lValueList.empty() &&
getContainer() &&
getContainer()->isDerivedFrom(App::DocumentObject::getClassTypeId()))
{
App::DocumentObject* parent = static_cast<DocumentObject*>(getContainer());
// before accessing internals make sure the object is not about to be destroyed
// otherwise the backlink contains dangling pointers
if (!parent->testStatus(ObjectStatus::Destroy)) {
for(auto *obj : _lValueList) {
if (obj)
obj->_removeBackLink(parent);
}
}
}
#endif
}
void PropertyLinkList::setSize(int newSize)
{
for(int i=newSize;i<(int)_lValueList.size();++i) {
auto obj = _lValueList[i];
if (!obj || !obj->getNameInDocument())
continue;
_nameMap.erase(obj->getNameInDocument());
#ifndef USE_OLD_DAG
if (_pcScope!=LinkScope::Hidden)
obj->_removeBackLink(static_cast<DocumentObject*>(getContainer()));
#endif
}
_lValueList.resize(newSize);
}
void PropertyLinkList::setSize(int newSize, const_reference def) {
auto oldSize = getSize();
setSize(newSize);
for(auto i=oldSize;i<newSize;++i)
_lValueList[i] = def;
}
void PropertyLinkList::set1Value(int idx, DocumentObject* const &value) {
DocumentObject *obj = 0;
if(idx>=0 && idx<(int)_lValueList.size()) {
obj = _lValueList[idx];
if(obj == value) return;
}
if(!value || !value->getNameInDocument())
throw Base::ValueError("invalid document object");
_nameMap.clear();
#ifndef USE_OLD_DAG
if (getContainer() && getContainer()->isDerivedFrom(App::DocumentObject::getClassTypeId())) {
App::DocumentObject* parent = static_cast<DocumentObject*>(getContainer());
// before accessing internals make sure the object is not about to be destroyed
// otherwise the backlink contains dangling pointers
if (!parent->testStatus(ObjectStatus::Destroy) && _pcScope!=LinkScope::Hidden) {
if(obj)
obj->_removeBackLink(static_cast<DocumentObject*>(getContainer()));
if(value)
value->_addBackLink(static_cast<DocumentObject*>(getContainer()));
}
}
#endif
inherited::set1Value(idx,value);
}
void PropertyLinkList::setValues(const std::vector<DocumentObject*>& lValue) {
if(lValue.size()==1 && !lValue[0]) {
// one null element means clear, as backward compatibility for old code
setValues(std::vector<DocumentObject*>());
return;
}
auto parent = Base::freecad_dynamic_cast<App::DocumentObject>(getContainer());
for(auto obj : lValue) {
if(!obj || !obj->getNameInDocument())
throw Base::ValueError("PropertyLinkList: invalid document object");
if(!testFlag(LinkAllowExternal) && parent && parent->getDocument()!=obj->getDocument())
throw Base::ValueError("PropertyLinkList does not support external object");
}
_nameMap.clear();
#ifndef USE_OLD_DAG
//maintain the back link in the DocumentObject class
if (parent) {
// before accessing internals make sure the object is not about to be destroyed
// otherwise the backlink contains dangling pointers
if (!parent->testStatus(ObjectStatus::Destroy) && _pcScope!=LinkScope::Hidden) {
for(auto *obj : _lValueList) {
if (obj)
obj->_removeBackLink(parent);
}
for(auto *obj : lValue) {
if (obj)
obj->_addBackLink(parent);
}
}
}
#endif
inherited::setValues(lValue);
}
PyObject *PropertyLinkList::getPyObject(void)
{
int count = getSize();
#if 0//FIXME: Should switch to tuple
Py::Tuple sequence(count);
#else
Py::List sequence(count);
#endif
for (int i = 0; i<count; i++) {
auto obj = _lValueList[i];
if(obj && obj->getNameInDocument())
sequence.setItem(i, Py::asObject(_lValueList[i]->getPyObject()));
else
sequence.setItem(i, Py::None());
}
return Py::new_reference_to(sequence);
}
DocumentObject *PropertyLinkList::getPyValue(PyObject *item) const
{
if (item == Py_None) {
return nullptr;
}
else if (PyObject_TypeCheck(item, &(DocumentObjectPy::Type))) {
return static_cast<DocumentObjectPy*>(item)->getDocumentObjectPtr();
}
std::string error = std::string("type must be 'DocumentObject', list of 'DocumentObject', or NoneType, not ");
error += item->ob_type->tp_name;
throw Base::TypeError(error);
}
void PropertyLinkList::Save(Base::Writer &writer) const
{
writer.Stream() << writer.ind() << "<LinkList count=\"" << getSize() << "\">" << endl;
writer.incInd();
for (int i = 0; i<getSize(); i++) {
DocumentObject* obj = _lValueList[i];
if (obj)
writer.Stream() << writer.ind() << "<Link value=\"" << obj->getExportName() << "\"/>" << endl;
else
writer.Stream() << writer.ind() << "<Link value=\"\"/>" << endl;
}
writer.decInd();
writer.Stream() << writer.ind() << "</LinkList>" << endl;
}
void PropertyLinkList::Restore(Base::XMLReader &reader)
{
// read my element
reader.readElement("LinkList");
// get the value of my attribute
int count = reader.getAttributeAsInteger("count");
App::PropertyContainer* container = getContainer();
if (!container)
throw Base::RuntimeError("Property is not part of a container");
if (!container->getTypeId().isDerivedFrom(App::DocumentObject::getClassTypeId())) {
std::stringstream str;
str << "Container is not a document object ("
<< container->getTypeId().getName() << ")";
throw Base::TypeError(str.str());
}
std::vector<DocumentObject*> values;
values.reserve(count);
for (int i = 0; i < count; i++) {
reader.readElement("Link");
std::string name = reader.getName(reader.getAttribute("value"));
// In order to do copy/paste it must be allowed to have defined some
// referenced objects in XML which do not exist anymore in the new
// document. Thus, we should silently ignore this.
// Property not in an object!
DocumentObject* father = static_cast<DocumentObject*>(getContainer());
App::Document* document = father->getDocument();
DocumentObject* child = document ? document->getObject(name.c_str()) : 0;
if (child)
values.push_back(child);
else if (reader.isVerbose())
FC_WARN("Lost link to " << (document?document->getName():"") << " " << name
<< " while loading, maybe an object was not loaded correctly");
}
reader.readEndElement("LinkList");
// assignment
setValues(values);
}
Property *PropertyLinkList::CopyOnLinkReplace(const App::DocumentObject *parent,
App::DocumentObject *oldObj, App::DocumentObject *newObj) const
{
std::vector<DocumentObject*> links;
bool copied = false;
bool found = false;
for(auto it=_lValueList.begin();it!=_lValueList.end();++it) {
auto res = tryReplaceLink(getContainer(),*it,parent,oldObj,newObj);
if(res.first) {
found = true;
if(!copied) {
copied = true;
links.insert(links.end(),_lValueList.begin(),it);
}
links.push_back(res.first);
} else if(*it == newObj) {
// in case newObj already exists here, we shall remove all existing
// entry, and insert it to take over oldObj's position.
if(!copied) {
copied = true;
links.insert(links.end(),_lValueList.begin(),it);
}
}else if(copied)
links.push_back(*it);
}
if(!found)
return 0;
auto p= new PropertyLinkList();
p->_lValueList = std::move(links);
return p;
}
Property *PropertyLinkList::Copy(void) const
{
PropertyLinkList *p = new PropertyLinkList();
p->_lValueList = _lValueList;
return p;
}
void PropertyLinkList::Paste(const Property &from)
{
if(!from.isDerivedFrom(PropertyLinkList::getClassTypeId()))
throw Base::TypeError("Incompatible property to paste to");
setValues(static_cast<const PropertyLinkList&>(from)._lValueList);
}
unsigned int PropertyLinkList::getMemSize(void) const
{
return static_cast<unsigned int>(_lValueList.size() * sizeof(App::DocumentObject *));
}
DocumentObject *PropertyLinkList::find(const std::string &name, int *pindex) const {
if(_nameMap.empty() || _nameMap.size()>_lValueList.size()) {
_nameMap.clear();
for(int i=0;i<(int)_lValueList.size();++i) {
auto obj = _lValueList[i];
if(obj && obj->getNameInDocument())
_nameMap[obj->getNameInDocument()] = i;
}
}
auto it = _nameMap.find(name);
if(it == _nameMap.end())
return 0;
if(pindex) *pindex = it->second;
return _lValueList[it->second];
}
void PropertyLinkList::getLinks(std::vector<App::DocumentObject *> &objs,
bool all, std::vector<std::string> *subs, bool newStyle) const
{
(void)subs;
(void)newStyle;
if(all||_pcScope!=LinkScope::Hidden) {
objs.reserve(objs.size()+_lValueList.size());
for(auto obj : _lValueList) {
if(obj && obj->getNameInDocument())
objs.push_back(obj);
}
}
}
void PropertyLinkList::breakLink(App::DocumentObject *obj, bool clear) {
if(clear && getContainer()==obj) {
setValues({});
return;
}
std::vector<App::DocumentObject*> values;
values.reserve(_lValueList.size());
for(auto o : _lValueList) {
if(o != obj)
values.push_back(o);
}
if(values.size()!=_lValueList.size())
setValues(values);
}
bool PropertyLinkList::adjustLink(const std::set<App::DocumentObject*> &inList) {
(void)inList;
return false;
}
//**************************************************************************
// PropertyLinkSub
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
TYPESYSTEM_SOURCE(App::PropertyLinkSub, App::PropertyLinkBase)
TYPESYSTEM_SOURCE(App::PropertyLinkSubChild, App::PropertyLinkSub)
TYPESYSTEM_SOURCE(App::PropertyLinkSubGlobal, App::PropertyLinkSub)
TYPESYSTEM_SOURCE(App::PropertyLinkSubHidden, App::PropertyLinkSub)
//**************************************************************************
// Construction/Destruction
PropertyLinkSub::PropertyLinkSub()
: _pcLinkSub(0), _restoreLabel(false)
{
}
PropertyLinkSub::~PropertyLinkSub()
{
//in case this property is dynamically removed
#ifndef USE_OLD_DAG
if (_pcLinkSub && getContainer() && getContainer()->isDerivedFrom(App::DocumentObject::getClassTypeId())) {
App::DocumentObject* parent = static_cast<DocumentObject*>(getContainer());
// before accessing internals make sure the object is not about to be destroyed
// otherwise the backlink contains dangling pointers
if (!parent->testStatus(ObjectStatus::Destroy) && _pcScope!=LinkScope::Hidden) {
if (_pcLinkSub)
_pcLinkSub->_removeBackLink(parent);
}
}
#endif
}
void PropertyLinkSub::setValue(App::DocumentObject * lValue,
const std::vector<std::string> &SubList, std::vector<ShadowSub> &&shadows)
{
setValue(lValue,std::vector<std::string>(SubList),std::move(shadows));
}
void PropertyLinkSub::setValue(App::DocumentObject * lValue,
std::vector<std::string> &&subs, std::vector<ShadowSub> &&shadows)
{
auto parent = Base::freecad_dynamic_cast<App::DocumentObject>(getContainer());
if(lValue) {
if(!lValue->getNameInDocument())
throw Base::ValueError("PropertyLinkSub: invalid document object");
if(!testFlag(LinkAllowExternal) && parent && parent->getDocument()!=lValue->getDocument())
throw Base::ValueError("PropertyLinkSub does not support external object");
}
aboutToSetValue();
#ifndef USE_OLD_DAG
if(parent) {
// before accessing internals make sure the object is not about to be destroyed
// otherwise the backlink contains dangling pointers
if (!parent->testStatus(ObjectStatus::Destroy) && _pcScope!=LinkScope::Hidden) {
if (_pcLinkSub)
_pcLinkSub->_removeBackLink(parent);
if (lValue)
lValue->_addBackLink(parent);
}
}
#endif
_pcLinkSub=lValue;
_cSubList=std::move(subs);
if(shadows.size()==_cSubList.size())
_ShadowSubList = std::move(shadows);
else
updateElementReference(0);
checkLabelReferences(_cSubList);
hasSetValue();
}
App::DocumentObject * PropertyLinkSub::getValue(void) const
{
return _pcLinkSub;
}
const std::vector<std::string>& PropertyLinkSub::getSubValues(void) const
{
return _cSubList;
}
static inline const std::string &getSubNameWithStyle(const std::string &subName,
const PropertyLinkBase::ShadowSub &shadow, bool newStyle)
{
if(!newStyle) {
if(shadow.second.size())
return shadow.second;
}else if(shadow.first.size())
return shadow.first;
return subName;
}
std::vector<std::string> PropertyLinkSub::getSubValues(bool newStyle) const {
assert(_cSubList.size() == _ShadowSubList.size());
std::vector<std::string> ret;
ret.reserve(_cSubList.size());
for(size_t i=0;i<_ShadowSubList.size();++i)
ret.push_back(getSubNameWithStyle(_cSubList[i],_ShadowSubList[i],newStyle));
return ret;
}
std::vector<std::string> PropertyLinkSub::getSubValuesStartsWith(const char* starter, bool newStyle) const
{
(void)newStyle;
std::vector<std::string> temp;