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KCal Library

listbase.h

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00001 /*
00002   This file is part of the kcal library.
00003 
00004   Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
00005 
00006   This library is free software; you can redistribute it and/or
00007   modify it under the terms of the GNU Library General Public
00008   License as published by the Free Software Foundation; either
00009   version 2 of the License, or (at your option) any later version.
00010 
00011   This library is distributed in the hope that it will be useful,
00012   but WITHOUT ANY WARRANTY; without even the implied warranty of
00013   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014   Library General Public License for more details.
00015 
00016   You should have received a copy of the GNU Library General Public License
00017   along with this library; see the file COPYING.LIB.  If not, write to
00018   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019   Boston, MA 02110-1301, USA.
00020 */
00029 #ifndef KCAL_LISTBASE_H
00030 #define KCAL_LISTBASE_H
00031 
00032 #include "kcal_export.h"
00033 #include <QtCore/QList>
00034 
00035 namespace KCal {
00036 
00043 template<class T>
00044 class ListBase : public QList<T *>
00045 {
00046   public:
00050     ListBase()
00051       : QList<T *>(), mAutoDelete( false )
00052     {
00053     }
00054 
00059     ListBase( const ListBase &other )
00060       : QList<T *>( other ), mAutoDelete( false )
00061     {
00062     }
00063 
00067     ~ListBase()
00068     {
00069       if ( mAutoDelete ) {
00070         qDeleteAll( *this );
00071       }
00072     }
00073 
00078     ListBase &operator=( const ListBase &l )
00079     {
00080       if ( this == &l ) {
00081         return *this;
00082       }
00083       QList<T *>::operator=( l );
00084       return *this;
00085     }
00086 
00093     void setAutoDelete( bool autoDelete )
00094     {
00095       mAutoDelete = autoDelete;
00096     }
00097 
00102     void clearAll()
00103     {
00104       if ( mAutoDelete ) {
00105         qDeleteAll( *this );
00106       }
00107       QList<T*>::clear();
00108     }
00109 
00116     bool removeRef( T *t )
00117     {
00118       if ( !contains( t ) ) {
00119         return false;
00120       } else {
00121         if ( mAutoDelete ) {
00122           delete t;
00123         }
00124         this->removeAll( t );
00125         return true;
00126       }
00127     }
00128 
00134     void removeRef( typename QList<T*>::iterator it )
00135     {
00136       if ( mAutoDelete ) {
00137         delete *it;
00138       }
00139       QList<T*>::erase( it );
00140     }
00141 
00142   private:
00143     //@cond PRIVATE
00144     bool mAutoDelete;
00145     //@endcond
00146 };
00147 
00148 }
00149 
00150 #endif

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