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- #ifndef K3DSDK_INODE_H
- #define K3DSDK_INODE_H
-
- // K-3D
- // Copyright (c) 1995-2005, Timothy M. Shead
- //
- // Contact: tshead@k-3d.com
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // This program 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
- // General Public License for more details.
- //
- // You should have received a copy of the GNU General Public
- // License along with this program; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- /** \file
- \brief Declares inode, an abstract interface which MUST be implemented by ALL document nodes
- \author Tim Shead (tshead@k-3d.com)
- */
-
- #include "almost_equal.h"
- #include "iunknown.h"
- #include "signal_system.h"
-
- #include <string>
-
- namespace k3d
- {
-
- class idocument;
- class iplugin_factory;
-
- /////////////////////////////////////////////////////////////////////////////
- // inode
-
- /// Abstract interface which MUST be implemented by ALL document nodes
- class inode :
- public virtual iunknown
- {
- public:
- virtual ~inode() {}
-
- /// Sets the node name (could fail or be overridden)
- virtual void set_name(const std::string Name) = 0;
- /// Returns the node name
- virtual const std::string name() = 0;
-
- /// Returns a reference to the factory that created this node
- virtual iplugin_factory& factory() = 0;
- /// Returns a reference to the document that owns this node
- virtual idocument& document() = 0;
-
- /// Defines a signal that will be emitted iff the node is deleted
- typedef sigc::signal<void> deleted_signal_t;
- virtual deleted_signal_t& deleted_signal() = 0;
-
- /// Defines a signal that will be emitted if the node name changes (including via undo / redo)
- typedef sigc::signal<void> name_changed_signal_t;
- virtual name_changed_signal_t& name_changed_signal() = 0;
-
- protected:
- inode() {}
- inode(const inode&) {}
- inode& operator=(const inode&) { return *this; }
- };
-
- /// Specialization of almost_equal that tests inode pointers for equality
- template<>
- class almost_equal<inode*>
- {
- public:
- almost_equal(const boost::uint64_t) { }
- inline const bool operator()(inode* const A, inode* const B) const { return A == B; }
- };
-
- } // namespace k3d
-
- #endif // !K3DSDK_INODE_H
-
-