8841fb0805
This is the first feature that used GeoFeatureGroupExtension and required links to the groups inside as well as to things on the same level. Hence a few modifications to link scopes have been nesseccary.
338 lines
12 KiB
C++
338 lines
12 KiB
C++
/***************************************************************************
|
|
* Copyright (c) 2006 Werner Mayer <wmayer[at]users.sourceforge.net> *
|
|
* *
|
|
* 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_
|
|
#endif
|
|
|
|
#include "DocumentObjectGroup.h"
|
|
#include "DocumentObjectGroupPy.h"
|
|
#include "GroupExtensionPy.h"
|
|
#include "Document.h"
|
|
#include "FeaturePythonPyImp.h"
|
|
#include "GeoFeatureGroupExtension.h"
|
|
#include <Base/Console.h>
|
|
|
|
using namespace App;
|
|
|
|
EXTENSION_PROPERTY_SOURCE(App::GroupExtension, App::DocumentObjectExtension)
|
|
|
|
GroupExtension::GroupExtension()
|
|
{
|
|
initExtensionType(GroupExtension::getExtensionClassTypeId());
|
|
|
|
EXTENSION_ADD_PROPERTY_TYPE(Group,(0),"Base",(App::PropertyType)(Prop_Output),"List of referenced objects");
|
|
}
|
|
|
|
GroupExtension::~GroupExtension()
|
|
{
|
|
}
|
|
|
|
DocumentObject* GroupExtension::addObject(const char* sType, const char* pObjectName)
|
|
{
|
|
DocumentObject* obj = getExtendedObject()->getDocument()->addObject(sType, pObjectName);
|
|
if(!allowObject(obj)) {
|
|
getExtendedObject()->getDocument()->remObject(obj->getNameInDocument());
|
|
return nullptr;
|
|
}
|
|
if (obj) addObject(obj);
|
|
return obj;
|
|
}
|
|
|
|
std::vector<DocumentObject*> GroupExtension::addObject(DocumentObject* obj)
|
|
{
|
|
std::vector<DocumentObject*> vec = {obj};
|
|
return addObjects(vec);
|
|
}
|
|
|
|
std::vector< DocumentObject* > GroupExtension::addObjects(std::vector< DocumentObject* > objs) {
|
|
|
|
std::vector<DocumentObject*> added;
|
|
std::vector<DocumentObject*> grp = Group.getValues();
|
|
for(auto obj : objs) {
|
|
|
|
if(!allowObject(obj))
|
|
continue;
|
|
|
|
if (hasObject(obj))
|
|
continue;
|
|
|
|
//only one group per object. Note that it is allowed to be in a group and geofeaturegroup. However,
|
|
//getGroupOfObject() returns only normal groups, no GeoFeatureGroups. Hence this works.
|
|
auto *group = App::GroupExtension::getGroupOfObject(obj);
|
|
if(group && group != getExtendedObject())
|
|
group->getExtensionByType<App::GroupExtension>()->removeObject(obj);
|
|
|
|
//if we are in a geofeaturegroup we need to ensure the object is too
|
|
auto geogrp = GeoFeatureGroupExtension::getGroupOfObject(getExtendedObject());
|
|
auto objgrp = GeoFeatureGroupExtension::getGroupOfObject(obj);
|
|
if( geogrp != objgrp ) {
|
|
//what to do depends on if we are in geofeature group or not
|
|
if(geogrp)
|
|
geogrp->getExtensionByType<GeoFeatureGroupExtension>()->addObject(obj);
|
|
else
|
|
objgrp->getExtensionByType<GeoFeatureGroupExtension>()->removeObject(obj);
|
|
}
|
|
|
|
grp.push_back(obj);
|
|
added.push_back(obj);
|
|
}
|
|
|
|
Group.setValues(grp);
|
|
|
|
return added;
|
|
}
|
|
|
|
std::vector< DocumentObject* > GroupExtension::setObjects(std::vector< DocumentObject* > obj) {
|
|
|
|
Group.setValues(std::vector< DocumentObject* > ());
|
|
return addObjects(obj);
|
|
}
|
|
|
|
std::vector<DocumentObject*> GroupExtension::removeObject(DocumentObject* obj)
|
|
{
|
|
std::vector<DocumentObject*> vec = {obj};
|
|
return removeObjects(vec);
|
|
}
|
|
|
|
std::vector< DocumentObject* > GroupExtension::removeObjects(std::vector< DocumentObject* > objs) {
|
|
|
|
const std::vector<DocumentObject*> & grp = Group.getValues();
|
|
std::vector<DocumentObject*> newGrp = grp;
|
|
std::vector<DocumentObject*> removed;
|
|
|
|
std::vector<DocumentObject*>::iterator end = newGrp.end();
|
|
for(auto obj : objs) {
|
|
auto res = std::remove(newGrp.begin(), end, obj);
|
|
if(res != end) {
|
|
end = res;
|
|
removed.push_back(obj);
|
|
}
|
|
}
|
|
|
|
newGrp.erase(end, newGrp.end());
|
|
if (grp.size() != newGrp.size()) {
|
|
Group.setValues (newGrp);
|
|
}
|
|
|
|
return removed;
|
|
}
|
|
|
|
void GroupExtension::removeObjectsFromDocument()
|
|
{
|
|
const std::vector<DocumentObject*> & grp = Group.getValues();
|
|
// Use set so iterate on each linked object exactly one time (in case of multiple links to the same document)
|
|
std::set<DocumentObject*> grpSet (grp.begin(), grp.end());
|
|
|
|
for (std::set<DocumentObject*>::iterator it = grpSet.begin(); it != grpSet.end(); ++it) {
|
|
removeObjectFromDocument(*it);
|
|
}
|
|
}
|
|
|
|
void GroupExtension::removeObjectFromDocument(DocumentObject* obj)
|
|
{
|
|
// remove all children
|
|
if (obj->hasExtension(GroupExtension::getExtensionClassTypeId())) {
|
|
GroupExtension *grp = static_cast<GroupExtension*>(obj->getExtension(GroupExtension::getExtensionClassTypeId()));
|
|
|
|
// recursive call to remove all subgroups
|
|
grp->removeObjectsFromDocument();
|
|
}
|
|
|
|
getExtendedObject()->getDocument()->remObject(obj->getNameInDocument());
|
|
}
|
|
|
|
DocumentObject *GroupExtension::getObject(const char *Name) const
|
|
{
|
|
DocumentObject* obj = getExtendedObject()->getDocument()->getObject(Name);
|
|
if (obj && hasObject(obj))
|
|
return obj;
|
|
return 0;
|
|
}
|
|
|
|
bool GroupExtension::hasObject(const DocumentObject* obj, bool recursive) const
|
|
{
|
|
|
|
if(obj == getExtendedObject())
|
|
return false;
|
|
|
|
const std::vector<DocumentObject*>& grp = Group.getValues();
|
|
for (auto child : grp) {
|
|
|
|
if(!child)
|
|
continue;
|
|
|
|
if (child == obj) {
|
|
return true;
|
|
} else if (child == getExtendedObject()) {
|
|
Base::Exception("Cyclic dependencies detected: Search cannot be performed");
|
|
} else if ( recursive && child->hasExtension(GroupExtension::getExtensionClassTypeId()) ) {
|
|
|
|
App::GroupExtension *subGroup = static_cast<App::GroupExtension *> (
|
|
child->getExtension(GroupExtension::getExtensionClassTypeId()));
|
|
std::vector<const GroupExtension*> history;
|
|
history.push_back(this);
|
|
|
|
if (subGroup->recursiveHasObject (obj, subGroup, history)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool GroupExtension::recursiveHasObject(const DocumentObject* obj, const GroupExtension* group,
|
|
std::vector< const GroupExtension* > history) const {
|
|
|
|
//the purpose is to prevent infinite recursion when groups form a cyclic graph. To do this
|
|
//we store every group we processed on the current leave of the tree, and if we reach an
|
|
//already processed group we know that it not really is a tree but a cycle.
|
|
|
|
history.push_back(this);
|
|
|
|
for (auto child : group->Group.getValues()) {
|
|
|
|
if(!child)
|
|
continue;
|
|
|
|
if (child == obj) {
|
|
return true;
|
|
} else if ( child->hasExtension(GroupExtension::getExtensionClassTypeId()) ) {
|
|
|
|
auto ext = child->getExtensionByType<GroupExtension>();
|
|
|
|
if(std::find(history.begin(), history.end(), ext) != history.end())
|
|
Base::Exception("Cyclic dependencies detected: Search cannot be performed");
|
|
|
|
if (recursiveHasObject(obj, ext, history)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
bool GroupExtension::isChildOf(const GroupExtension* group, bool recursive) const
|
|
{
|
|
return group->hasObject(getExtendedObject(), recursive);
|
|
}
|
|
|
|
|
|
|
|
std::vector<DocumentObject*> GroupExtension::getObjects() const
|
|
{
|
|
return Group.getValues();
|
|
}
|
|
|
|
std::vector<DocumentObject*> GroupExtension::getObjectsOfType(const Base::Type& typeId) const
|
|
{
|
|
std::vector<DocumentObject*> type;
|
|
const std::vector<DocumentObject*>& grp = Group.getValues();
|
|
for (std::vector<DocumentObject*>::const_iterator it = grp.begin(); it != grp.end(); ++it) {
|
|
if ( (*it)->getTypeId().isDerivedFrom(typeId))
|
|
type.push_back(*it);
|
|
}
|
|
|
|
return type;
|
|
}
|
|
|
|
int GroupExtension::countObjectsOfType(const Base::Type& typeId) const
|
|
{
|
|
int type=0;
|
|
const std::vector<DocumentObject*>& grp = Group.getValues();
|
|
for (std::vector<DocumentObject*>::const_iterator it = grp.begin(); it != grp.end(); ++it) {
|
|
if ( (*it)->getTypeId().isDerivedFrom(typeId))
|
|
type++;
|
|
}
|
|
|
|
return type;
|
|
}
|
|
|
|
DocumentObject* GroupExtension::getGroupOfObject(const DocumentObject* obj)
|
|
{
|
|
//note that we return here only Groups, but nothing derived from it, e.g. no GeoFeatureGroups.
|
|
//That is important as there are clear differences between groups/geofeature groups (e.g. an object
|
|
//can be in only one group, and only one geofeaturegroup, however, it can be in both at the same time)
|
|
auto list = obj->getInList();
|
|
for (auto obj : list) {
|
|
if(obj->hasExtension(App::GroupExtension::getExtensionClassTypeId(), false))
|
|
return obj;
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
PyObject* GroupExtension::getExtensionPyObject(void) {
|
|
|
|
if (ExtensionPythonObject.is(Py::_None())){
|
|
// ref counter is set to 1
|
|
auto grp = new GroupExtensionPy(this);
|
|
ExtensionPythonObject = Py::Object(grp,true);
|
|
}
|
|
return Py::new_reference_to(ExtensionPythonObject);
|
|
}
|
|
|
|
void GroupExtension::extensionOnChanged(const Property* p) {
|
|
|
|
//objects are only allowed in a single group. Note that this check must only be done for normal
|
|
//groups, not any derived classes
|
|
if((this->getExtensionTypeId() == GroupExtension::getExtensionClassTypeId()) &&
|
|
(strcmp(p->getName(), "Group")==0)) {
|
|
|
|
bool error = false;
|
|
auto corrected = Group.getValues();
|
|
for(auto obj : Group.getValues()) {
|
|
|
|
//we have already set the obj into the group, so in a case of multiple groups getGroupOfObject
|
|
//would return anyone of it and hence it is possible that we miss an error. We need a custom check
|
|
auto list = obj->getInList();
|
|
for (auto in : list) {
|
|
if(in->hasExtension(App::GroupExtension::getExtensionClassTypeId(), false) &&
|
|
in != getExtendedObject()) {
|
|
error = true;
|
|
corrected.erase(std::remove(corrected.begin(), corrected.end(), obj), corrected.end());
|
|
}
|
|
}
|
|
}
|
|
|
|
//if an error was found we need to correct the values and inform the user
|
|
if(error) {
|
|
Group.setValues(corrected);
|
|
throw Base::Exception("Object can only be in a single Group");
|
|
}
|
|
}
|
|
|
|
App::Extension::extensionOnChanged(p);
|
|
}
|
|
|
|
|
|
namespace App {
|
|
EXTENSION_PROPERTY_SOURCE_TEMPLATE(App::GroupExtensionPython, App::GroupExtension)
|
|
|
|
// explicit template instantiation
|
|
template class AppExport ExtensionPythonT<GroupExtensionPythonT<GroupExtension>>;
|
|
}
|