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+/*
+ This file is part of libkcal.
+
+ Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+#ifndef KCAL_LISTBASE_H
+#define KCAL_LISTBASE_H
+
+#include <qvaluelist.h>
+
+namespace KCal {
+ class Event;
+ class Todo;
+/**
+ This class provides a template for lists of pointers. It extends QValueList<T
+ *> by auto delete funtionality known from QPtrList.
+*/
+template<class T>
+class ListBase : public QValueList<T *>
+{
+ public:
+ ListBase()
+ : QValueList<T *>(), mAutoDelete( false )
+ {
+ }
+
+ ListBase( const ListBase &l )
+ : QValueList<T *>( l ), mAutoDelete( false )
+ {
+ }
+
+ ~ListBase()
+ {
+ if ( mAutoDelete ) {
+ QValueListIterator<T *> it;
+ for( it = QValueList<T*>::begin(); it != QValueList<T*>::end(); ++it ) {
+ delete *it;
+ }
+ }
+ }
+
+ ListBase &operator=( const ListBase &l )
+ {
+ if ( this == &l ) return *this;
+ QValueList<T *>::operator=( l );
+ return *this;
+ }
+
+ void setAutoDelete( bool autoDelete )
+ {
+ mAutoDelete = autoDelete;
+ }
+
+ bool removeRef( T *t )
+ {
+ QValueListIterator<T *> it = find( t );
+ if ( it == QValueList<T*>::end() ) {
+ return false;
+ } else {
+ if ( mAutoDelete ) delete t;
+ remove( it );
+ return true;
+ }
+ }
+ void fill ( QPtrList<T> list ) {
+ QPtrListIterator<T> it (list);
+ T *item;
+ while ( (item = it.current()) != 0 ) {
+ append( item );
+ ++it;
+ }
+
+ }
+
+
+ private:
+ bool mAutoDelete;
+};
+
+}
+
+#endif