f@0: /*  
f@0:  CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
f@0:   
f@0:  Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
f@0: 
f@0:  This program is free software: you can redistribute it and/or modify
f@0:  it under the terms of the GNU General Public License as published by
f@0:  the Free Software Foundation, either version 3 of the License, or
f@0:  (at your option) any later version.
f@0: 
f@0:  This program is distributed in the hope that it will be useful,
f@0:  but WITHOUT ANY WARRANTY; without even the implied warranty of
f@0:  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
f@0:  GNU General Public License for more details.
f@0: 
f@0:  You should have received a copy of the GNU General Public License
f@0:  along with this program.  If not, see <http://www.gnu.org/licenses/>.
f@0: */
f@0: package uk.ac.qmul.eecs.ccmi.gui;
f@0: 
f@0: /**
f@0:  * 
f@0:  * An enum that defines the possible locks that can be granted on a shared diagram.  
f@0:  *
f@0:  */
f@0: public enum Lock {
f@0: 	/**
f@0: 	 * The element will be deleted, therefore no other operation on the same element is allowed to any other user.
f@0: 	 */
f@0: 	DELETE,
f@0: 	/**
f@0: 	 * The element will be renamed, therefore no renaming of the same element is allowed to any other user.
f@0: 	 */
f@0: 	NAME,
f@0: 	/**
f@0: 	 * The node properties will be edit, therefore no properties or modifiers editing 
f@0: 	 * on the same node will be allowed to any other user.
f@0: 	 */
f@0: 	PROPERTIES,
f@0: 	/**
f@0: 	 * The edge end is being edited (label or arrow head), therefore no end editing 
f@0: 	 * on the same edge will be allowed to any other user.
f@0: 	 */
f@0: 	EDGE_END,
f@0: 	/**
f@0: 	 * The element is being moved, therefore no move on the same element will be allowed to any other user.
f@0: 	 */
f@0: 	MOVE,
f@0: 	/**
f@0: 	 * The notes of the tree node will be edited, therefore no notes editing 
f@0: 	 * on the same tree node will be allowed to any other user.
f@0: 	 */
f@0: 	NOTES,
f@0: 	/**
f@0: 	 * The bookmarks of the tree node will be edited, therefore no bookmarks editing 
f@0: 	 * on the same tree node will be allowed to any other user.
f@0: 	 */
f@0: 	BOOKMARK,
f@0: 	/**
f@0: 	 * The element cannot be deleted by other users. 
f@0: 	 */
f@0: 	MUST_EXIST,
f@0: 	/**
f@0: 	 * {@code null} value.
f@0: 	 */
f@0: 	NONE
f@0: }