/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield * * This library is open source and may be redistributed and/or modified under * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or * (at your option) any later version. The full license is in LICENSE file * included with this distribution, and on the openscenegraph.org website. * * 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 * OpenSceneGraph Public License for more details. */ #ifndef OSG_USERDATACONTAINER #define OSG_USERDATACONTAINER 1 #include #include #include namespace osg { /** Internal structure for storing all user data.*/ class OSG_EXPORT UserDataContainer : public osg::Object { public: UserDataContainer(); UserDataContainer(const UserDataContainer& udc, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast(obj)!=0; } /** return the name of the object's library. Must be defined by derived classes. The OpenSceneGraph convention is that the namespace of a library is the same as the library name.*/ virtual const char* libraryName() const { return "osg"; } /** return the name of the object's class type. Must be defined by derived classes.*/ virtual const char* className() const { return "UserDataContainer"; } /** * Set user data, data must be subclassed from Referenced to allow * automatic memory handling. If your own data isn't directly * subclassed from Referenced then create an adapter object * which points to your own object and handles the memory addressing. */ virtual void setUserData(Referenced* obj) = 0; /** Get user data.*/ virtual Referenced* getUserData() = 0; /** Get const user data.*/ virtual const Referenced* getUserData() const = 0; /** Add user data object. Returns the index position of object added. */ virtual unsigned int addUserObject(Object* obj) = 0; /** Add element to list of user data objects.*/ virtual void setUserObject(unsigned int i, Object* obj) = 0; /** Remove element from the list of user data objects.*/ virtual void removeUserObject(unsigned int i) = 0; /** Get user data object as specified index position. */ virtual Object* getUserObject(unsigned int i) = 0; /** Get const user data object as specified index position. */ virtual const Object* getUserObject(unsigned int i) const = 0; /** Get number of user objects assigned to this object.*/ virtual unsigned int getNumUserObjects() const = 0; /** Get the index position of specified user data object.*/ virtual unsigned int getUserObjectIndex(const osg::Object* obj, unsigned int startPos=0) const = 0; /** Get the index position of first user data object that matches specified name.*/ virtual unsigned int getUserObjectIndex(const std::string& name, unsigned int startPos=0) const = 0; /** Get first user data object with specified name. */ virtual Object* getUserObject(const std::string& name, unsigned int startPos=0); /** Get first const user data object with specified name. */ virtual const Object* getUserObject(const std::string& name, unsigned int startPos=0) const; typedef std::vector DescriptionList; /** Set the list of string descriptions.*/ virtual void setDescriptions(const DescriptionList& descriptions) = 0; /** Get the description list.*/ virtual DescriptionList& getDescriptions() = 0; /** Get the const description list.*/ virtual const DescriptionList& getDescriptions() const = 0; /** Get number of description strings.*/ virtual unsigned int getNumDescriptions() const = 0; /** Add a description string.*/ virtual void addDescription(const std::string& desc) = 0; protected: virtual ~UserDataContainer() {} }; /** Internal structure for storing all user data.*/ class OSG_EXPORT DefaultUserDataContainer : public osg::UserDataContainer { public: DefaultUserDataContainer(); DefaultUserDataContainer(const DefaultUserDataContainer& udc, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY); META_Object(osg, DefaultUserDataContainer) virtual void setThreadSafeRefUnref(bool threadSafe); /** * Set user data, data must be subclassed from Referenced to allow * automatic memory handling. If your own data isn't directly * subclassed from Referenced then create an adapter object * which points to your own object and handles the memory addressing. */ virtual void setUserData(Referenced* obj); /** Get user data.*/ virtual Referenced* getUserData(); /** Get const user data.*/ virtual const Referenced* getUserData() const; /** Add user data object. Returns the index position of object added. */ virtual unsigned int addUserObject(Object* obj); /** Add element to list of user data objects.*/ virtual void setUserObject(unsigned int i, Object* obj); /** Remove element from the list of user data objects.*/ virtual void removeUserObject(unsigned int i); /** Get user data object as specified index position. */ virtual Object* getUserObject(unsigned int i); /** Get const user data object as specified index position. */ virtual const Object* getUserObject(unsigned int i) const; /** Get number of user objects assigned to this object.*/ virtual unsigned int getNumUserObjects() const; /** Get the index position of specified user data object.*/ virtual unsigned int getUserObjectIndex(const osg::Object* obj, unsigned int startPos=0) const; /** Get the index position of first user data object that matches specified name.*/ virtual unsigned int getUserObjectIndex(const std::string& name, unsigned int startPos=0) const; /** Set the list of string descriptions.*/ virtual void setDescriptions(const DescriptionList& descriptions); /** Get the description list.*/ virtual DescriptionList& getDescriptions(); /** Get the const description list.*/ virtual const DescriptionList& getDescriptions() const; /** Get number of description strings.*/ virtual unsigned int getNumDescriptions() const; /** Add a description string.*/ virtual void addDescription(const std::string& desc); protected: virtual ~DefaultUserDataContainer() {} typedef std::vector< osg::ref_ptr > ObjectList; ref_ptr _userData; DescriptionList _descriptionList; ObjectList _objectList; }; /** Convenience function for getting the User Object associated with specificed name from an Object's UserDataContainer.*/ inline Object* getUserObject(osg::Object* object, const std::string& name) { osg::UserDataContainer* udc = object->getUserDataContainer(); return udc ? udc->getUserObject(name) : 0; } /** Convenience function for getting the User Object associated with specificed name from an Object's UserDataContainer.*/ inline const Object* getUserObject(const osg::Object* object, const std::string& name) { const osg::UserDataContainer* udc = object->getUserDataContainer(); return udc ? udc->getUserObject(name) : 0; } } #endif