kaddressbook/contactsorter.cpp

   1 /*
   2     This file is part of KAddressBook.
   3
   4     Copyright (c) 2009 Tobias Koenig <tokoe@kde.org>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19 */
  20
  21 #include "contactsorter.h"
  22
  23 #include <kabc/addressee.h>
  24
  25 class ContactSortHelper
  26 {
  27   public:
  28     ContactSortHelper( ContactFields::Field field, Qt::SortOrder sortOrder )
  29       : mSortField( field ), mSortOrder( sortOrder )
  30     {
  31     }
  32
  33     inline bool operator()( const KABC::Addressee &contact, const KABC::Addressee &otherContact ) const
  34     {
  35       int result = QString::localeAwareCompare( ContactFields::value( mSortField, contact ),
  36                                                 ContactFields::value( mSortField, otherContact ) );
  37       if ( result == 0 ) {
  38         int givenNameResult = QString::localeAwareCompare( ContactFields::value( ContactFields::GivenName, contact ),
  39                                                            ContactFields::value( ContactFields::GivenName, otherContact ) );
  40         if ( givenNameResult == 0 ) {
  41           int familyNameResult = QString::localeAwareCompare( ContactFields::value( ContactFields::FamilyName, contact ),
  42                                                               ContactFields::value( ContactFields::FamilyName, otherContact ) );
  43           if ( familyNameResult == 0 ) {
  44             result = QString::localeAwareCompare( ContactFields::value( ContactFields::FormattedName, contact ),
  45                                                   ContactFields::value( ContactFields::FormattedName, otherContact ) );
  46           } else
  47             result = familyNameResult;
  48         } else
  49           result = givenNameResult;
  50       }
  51
  52       bool lesser = result < 0;
  53
  54       if ( mSortOrder == Qt::DescendingOrder )
  55         lesser = !lesser;
  56
  57       return lesser;
  58     }
  59
  60   private:
  61     const ContactFields::Field mSortField;
  62     const Qt::SortOrder mSortOrder;
  63 };
  64
  65 ContactSorter::ContactSorter( ContactFields::Field field, Qt::SortOrder sortOrder )
  66   : mSortField( field ), mSortOrder( sortOrder )
  67 {
  68 }
  69
  70 void ContactSorter::sort( QList<KABC::Addressee> &contacts ) const
  71 {
  72   qStableSort( contacts.begin(), contacts.end(), ContactSortHelper( mSortField, mSortOrder ) );
  73 }