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diff --git a/kgpg/KGpgSignableNode.h b/kgpg/KGpgSignableNode.h
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+/* Copyright 2008,2009,2012 Rolf Eike Beer <[email protected]>
+ *
+ * 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) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * 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/>.
+ */
+#ifndef KGPGSIGNABLENODE_H
+#define KGPGSIGNABLENODE_H
+
+#include "KGpgExpandableNode.h"
+#include "KGpgSignNode.h"
+
+/**
+ * @brief An object that may have KGpgSignNode children
+ *
+ * This class represents an object that may be signed, i.e. key nodes,
+ * user ids, user attributes, and subkeys.
+ */
+class KGpgSignableNode : public KGpgExpandableNode
+{
+	Q_OBJECT
+
+public:
+	typedef QList<KGpgSignableNode *> List;
+	typedef QList<const KGpgSignableNode *> const_List;
+
+	KGpgSignableNode(KGpgExpandableNode *parent = NULL);
+	virtual ~KGpgSignableNode();
+
+	KGpgSignNode::List getSignatures(void) const;
+	/**
+	 * @brief count signatures
+	 * @return the number of signatures to this object
+	 *
+	 * This does not include the number of signatures to child objects.
+	 */
+	virtual QString getSignCount() const;
+
+	bool operator<(const KGpgSignableNode &other) const;
+	bool operator<(const KGpgSignableNode *other) const;
+
+	/**
+	 * @brief returns the key node this node belongs to
+	 * @returns this node if the node itself is a key or it's parent otherwise
+	 */
+	virtual KGpgKeyNode *getKeyNode(void) = 0;
+	virtual const KGpgKeyNode *getKeyNode(void) const = 0;
+};
+
+#endif /* KGPGSIGNABLENODE_H */