153 lines
6.5 KiB
C++
153 lines
6.5 KiB
C++
/***************************************************************************
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* Copyright (c) 2006 Werner Mayer <wmayer[at]users.sourceforge.net> *
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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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#ifndef APP_GROUPEXTENSION_H
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#define APP_GROUPEXTENSION_H
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#include "FeaturePython.h"
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#include "DocumentObject.h"
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#include "PropertyLinks.h"
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#include "DocumentObjectExtension.h"
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#include <vector>
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namespace App
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{
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class DocumentObjectGroup;
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class GroupExtensionPy;
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class AppExport GroupExtension : public DocumentObjectExtension
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{
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EXTENSION_PROPERTY_HEADER_WITH_OVERRIDE(App::GroupExtension);
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public:
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/// Constructor
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GroupExtension(void);
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virtual ~GroupExtension();
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/** @name Object handling */
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//@{
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/** Adds an object of \a sType with \a pObjectName to the document this group belongs to and
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* append it to this group as well.
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*/
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virtual DocumentObject *addObject(const char* sType, const char* pObjectName);
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/* Adds the object \a obj to this group. Returns all objects that have been added.
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*/
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virtual std::vector<DocumentObject*> addObject(DocumentObject* obj);
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/* Adds the objects \a objs to this group. Returns all objects that have been added.
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*/
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virtual std::vector<DocumentObject*> addObjects(std::vector<DocumentObject*> obj);
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/* Sets the objects in this group. Everything contained already will be removed first
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*/
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virtual std::vector< DocumentObject* > setObjects(std::vector< DocumentObject* > obj);
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/*override this function if you want only special objects
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*/
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virtual bool allowObject(DocumentObject* ) {return true;}
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/** Removes an object from this group. Returns all objects that have been removed.
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*/
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virtual std::vector<DocumentObject*> removeObject(DocumentObject* obj);
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/** Removes objects from this group. Returns all objects that have been removed.
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*/
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virtual std::vector<DocumentObject*> removeObjects(std::vector<DocumentObject*> obj);
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/** Removes all children objects from this group and the document.
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*/
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virtual void removeObjectsFromDocument();
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/** Returns the object of this group with \a Name. If the group doesn't have such an object 0 is returned.
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* @note This method might return 0 even if the document this group belongs to contains an object with this name.
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*/
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DocumentObject *getObject(const char* Name) const;
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/**
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* Checks whether the object \a obj is part of this group.
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* @param obj the object to check for.
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* @param recursive if true check also if the obj is child of some sub group (default is false).
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*/
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virtual bool hasObject(const DocumentObject* obj, bool recursive=false) const;
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/**
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* Checks whether this group object is a child (or sub-child if enabled)
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* of the given group object.
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*/
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bool isChildOf(const GroupExtension* group, bool recursive = true) const;
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/** Returns a list of all objects this group does have.
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*/
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std::vector<DocumentObject*> getObjects() const;
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/** Returns a list of all objects of \a typeId this group does have.
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*/
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std::vector<DocumentObject*> getObjectsOfType(const Base::Type& typeId) const;
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/** Returns the number of objects of \a typeId this group does have.
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*/
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int countObjectsOfType(const Base::Type& typeId) const;
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/** Returns the object group of the document which the given object \a obj is part of.
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* In case this object is not part of a group 0 is returned.
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* @note This only returns objects that are normal groups, not any special derived type
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* like GeoFeatureGroups or OriginGroups. To retrieve those please use their appropriate functions
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*/
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static DocumentObject* getGroupOfObject(const DocumentObject* obj);
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//@}
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virtual PyObject* getExtensionPyObject(void) override;
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virtual void extensionOnChanged(const Property* p) override;
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/// Properties
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PropertyLinkList Group;
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private:
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void removeObjectFromDocument(DocumentObject*);
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//this version if has object stores the already searched objects to prevent infinite recursion
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//in case of a cyclic group graph
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bool recursiveHasObject(const DocumentObject* obj, const GroupExtension* group, std::vector<const GroupExtension*> history) const;
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};
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template<typename ExtensionT>
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class GroupExtensionPythonT : public ExtensionT {
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public:
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GroupExtensionPythonT() {}
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virtual ~GroupExtensionPythonT() {}
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//override the documentobjectextension functions to make them available in python
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virtual bool allowObject(DocumentObject* obj) override {
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Py::Object pyobj = Py::asObject(obj->getPyObject());
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EXTENSION_PROXY_ONEARG(allowObject, pyobj);
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if(result.isNone())
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return ExtensionT::allowObject(obj);
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if(result.isBoolean())
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return result.isTrue();
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return false;
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};
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};
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typedef ExtensionPythonT<GroupExtensionPythonT<GroupExtension>> GroupExtensionPython;
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} //namespace App
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#endif // APP_GROUPEXTENSION_H
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