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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
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