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diff --git a/src/search/searchcriteriondescription.h b/src/search/searchcriteriondescription.h
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+/***************************************************************************
+ *   Copyright (C) 2009 by Adam Kidder <[email protected]>               *
+ *   Copyright (C) 2009 by Peter Penz <[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) 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.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
+ ***************************************************************************/
+
+#ifndef SEARCHCRITERIONDESCRIPTION_H
+#define SEARCHCRITERIONDESCRIPTION_H
+
+#include <QList>
+#include <QString>
+
+class SearchCriterionValue;
+class QWidget;
+
+/**
+ * @brief Helper class for SearchCriterionSelector.
+ *
+ * Describes a search criterion including the used
+ * widget for editing.
+ */
+class SearchCriterionDescription
+{
+public:
+    struct Comparator
+    {
+        Comparator(const QString& n, const QString& o, const QString& p) :
+            name(n), operation(o), prefix(p) {}
+        QString name;        // user visible and translated name
+        QString operation;   // Nepomuk operation that represents the comparator
+        QString prefix;      // prefix like "+" or "-" that is part of the Nepomuk query
+    };
+
+    SearchCriterionDescription(const QString& name,
+                               const QString& identifier,
+                               const QList<Comparator>& comparators,
+                               SearchCriterionValue* valueWidget);
+
+    virtual ~SearchCriterionDescription();
+
+    QString name() const;
+    QString identifier() const;
+    const QList<Comparator>& comparators() const;
+    SearchCriterionValue* valueWidget() const;
+
+private:
+    QString m_name;       // user visible name that gets translated
+    QString m_identifier; // internal Nepomuk identifier
+    QList<Comparator> m_comparators;
+    SearchCriterionValue* m_valueWidget;
+};
+
+#endif // SEARCHCRITERIONDESCRIPTION_H