diff java/src/uk/ac/qmul/eecs/ccmi/gui/Lock.java @ 0:78b7fc5391a2

first import, outcome of NIME 2014 hackaton

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/src/uk/ac/qmul/eecs/ccmi/gui/Lock.java	Tue Jul 08 16:28:59 2014 +0100
@@ -0,0 +1,67 @@
+/*  
+ CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
+  
+ Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+package uk.ac.qmul.eecs.ccmi.gui;
+
+/**
+ * 
+ * An enum that defines the possible locks that can be granted on a shared diagram.  
+ *
+ */
+public enum Lock {
+	/**
+	 * The element will be deleted, therefore no other operation on the same element is allowed to any other user.
+	 */
+	DELETE,
+	/**
+	 * The element will be renamed, therefore no renaming of the same element is allowed to any other user.
+	 */
+	NAME,
+	/**
+	 * The node properties will be edit, therefore no properties or modifiers editing 
+	 * on the same node will be allowed to any other user.
+	 */
+	PROPERTIES,
+	/**
+	 * The edge end is being edited (label or arrow head), therefore no end editing 
+	 * on the same edge will be allowed to any other user.
+	 */
+	EDGE_END,
+	/**
+	 * The element is being moved, therefore no move on the same element will be allowed to any other user.
+	 */
+	MOVE,
+	/**
+	 * The notes of the tree node will be edited, therefore no notes editing 
+	 * on the same tree node will be allowed to any other user.
+	 */
+	NOTES,
+	/**
+	 * The bookmarks of the tree node will be edited, therefore no bookmarks editing 
+	 * on the same tree node will be allowed to any other user.
+	 */
+	BOOKMARK,
+	/**
+	 * The element cannot be deleted by other users. 
+	 */
+	MUST_EXIST,
+	/**
+	 * {@code null} value.
+	 */
+	NONE
+}