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- # ***** BEGIN LICENSE BLOCK *****
- # Version: MPL 1.1/GPL 2.0/LGPL 2.1
- #
- # The contents of this file are subject to the Mozilla Public License Version
- # 1.1 (the "License"); you may not use this file except in compliance with
- # the License. You may obtain a copy of the License at
- # http://www.mozilla.org/MPL/
- #
- # Software distributed under the License is distributed on an "AS IS" basis,
- # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- # for the specific language governing rights and limitations under the
- # License.
- #
- # The Original Code is the Python Computer Graphics Kit.
- #
- # The Initial Developer of the Original Code is Matthias Baas.
- # Portions created by the Initial Developer are Copyright (C) 2004
- # the Initial Developer. All Rights Reserved.
- #
- # Contributor(s):
- #
- # Alternatively, the contents of this file may be used under the terms of
- # either the GNU General Public License Version 2 or later (the "GPL"), or
- # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- # in which case the provisions of the GPL or the LGPL are applicable instead
- # of those above. If you wish to allow use of your version of this file only
- # under the terms of either the GPL or the LGPL, and not to allow others to
- # use your version of this file under the terms of the MPL, indicate your
- # decision by deleting the provisions above and replace them with the notice
- # and other provisions required by the GPL or the LGPL. If you do not delete
- # the provisions above, a recipient may use your version of this file under
- # the terms of any one of the MPL, the GPL or the LGPL.
- #
- # ***** END LICENSE BLOCK *****
- # $Id: isceneitem.py,v 1.1.1.1 2004/12/12 14:31:43 mbaas Exp $
-
- from protocols import Interface
-
- class ISceneItem(Interface):
- """The base scene item protocol that must be supported by all scene items.
-
- A scene item must have an attribute \c name of type \c str which
- contains its name.
- """
-
- def protocols(self):
- """Return a list of supported protocols."""
-
-
- class ISceneItemContainer(ISceneItem):
- """This interface must be supported by scene items that can contain children.
-
- The children must support the ISceneItem protocol.
- """
-
- def lenChilds(self):
- """Return the number of children."""
-
- def iterChilds(self):
- """Return an iterator that iterates over all children."""
-
- def addChild(self, child):
- """Add a children."""
-
- def removeChild(self, child):
- """Remove an existing children."""
-
- def findChildByName(self, name):
- """Return the children with the specified name.
-
- \return Child or None.
- """
-