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+//
+// $Id$
+//
+// SPTreeNode.h
+// sequel-pro
+//
+// Created by Stuart Connolly (stuconnolly.com) on November 23, 2010
+// Copyright (c) 2010 Stuart Connolly. All rights reserved.
+//
+// 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
+//
+// More info at <http://code.google.com/p/sequel-pro/>
+
+/**
+ * @class SPTreeNode SPTreeNode.h
+ *
+ * @author Stuart Connolly http://stuconnolly.com/
+ *
+ * NSTreeNode subclass which adds some convenience methods.
+ */
+@interface SPTreeNode : NSTreeNode <NSCoding>
+{
+ BOOL isGroup;
+}
+
+/**
+ * @property isGroup Indicates whether or not the node is a group.
+ */
+@property (readwrite, assign) BOOL isGroup;
+
+- (void)removeObjectFromChildren:(id)object;
+
+- (NSMutableArray *)descendants;
+- (NSMutableArray *)childLeafs;
+- (NSMutableArray *)allChildLeafs;
+- (NSMutableArray *)groupChildren;
+
+- (SPTreeNode *)parentFromArray:(NSArray *)array;
+
+- (BOOL)isDescendantOfOrOneOfNodes:(NSArray *)nodes;
+
+- (NSDictionary *)dictionaryRepresentation;
+
+@end