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diff --git a/src/entrywidgetexternal.h b/src/entrywidgetexternal.h
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+++ b/src/entrywidgetexternal.h
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+/***************************************************************************
+*   Copyright (C) 2004-2006 by Thomas Fischer                             *
+*   [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.,                                       *
+*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+***************************************************************************/
+#ifndef KBIBTEXENTRYWIDGETEXTERNAL_H
+#define KBIBTEXENTRYWIDGETEXTERNAL_H
+
+#include <entrywidgettab.h>
+
+class KPushButton;
+class KURL;
+
+namespace KBibTeX
+{
+
+    class FieldLineEdit;
+
+    /**
+     @author Thomas Fischer <[email protected]>
+    */
+    class EntryWidgetExternal : public EntryWidgetTab
+    {
+        Q_OBJECT
+    public:
+        EntryWidgetExternal( BibTeX::File *bibtexfile, bool isReadOnly, QWidget *parent = 0, const char *name = 0 );
+        ~EntryWidgetExternal();
+
+        bool isModified();
+
+    public slots:
+        void updateGUI( BibTeX::Entry::EntryType entryType, bool enableAll );
+        void apply( BibTeX::Entry *entry );
+        void reset( BibTeX::Entry *entry );
+        void updateWarnings( BibTeX::Entry::EntryType entryType, QListView *listViewWarnings );
+
+    private slots:
+        void openURL();
+        void openURL( const QString & );
+        void openDoi();
+        void openLocalFile();
+        void browseLocalFile( int id );
+        void updateGUI();
+
+    private:
+        FieldLineEdit *m_fieldLineEditURL;
+        KPushButton *m_pushButtonOpenURL;
+        FieldLineEdit *m_fieldLineEditDoi;
+        KPushButton *m_pushButtonOpenDoi;
+        FieldLineEdit *m_fieldLineEditLocalFile;
+        KPushButton *m_pushButtonOpenLocalFile;
+        KPushButton *m_pushButtonBrowseLocalFile;
+
+        static QString m_previousDirectory;
+        static const int m_menuIdCurrentDirectory, m_menuIdPreviousDirectory;
+
+        void setupGUI();
+    };
+
+}
+
+#endif