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>
  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,
  34                             const KABC::Addressee &otherContact ) const
  35     {
  36         int result =
  37                 QString::localeAwareCompare(
  38                     ContactFields::value( mSortField, contact ),
  39                     ContactFields::value( mSortField, otherContact ) );
  40
  41         if ( result == 0 ) {
  42             int givenNameResult =
  43                     QString::localeAwareCompare(
  44                         ContactFields::value( ContactFields::GivenName, contact ),
  45                         ContactFields::value( ContactFields::GivenName, otherContact ) );
  46
  47             if ( givenNameResult == 0 ) {
  48                 int familyNameResult =
  49                         QString::localeAwareCompare(
  50                             ContactFields::value( ContactFields::FamilyName, contact ),
  51                             ContactFields::value( ContactFields::FamilyName, otherContact ) );
  52
  53                 if ( familyNameResult == 0 ) {
  54                     result =
  55                             QString::localeAwareCompare(
  56                                 ContactFields::value( ContactFields::FormattedName, contact ),
  57                                 ContactFields::value( ContactFields::FormattedName, otherContact ) );
  58                 } else {
  59                     result = familyNameResult;
  60                 }
  61             } else {
  62                 result = givenNameResult;
  63             }
  64         }
  65
  66         bool lesser = result < 0;
  67
  68         if ( mSortOrder == Qt::DescendingOrder ) {
  69             lesser = !lesser;
  70         }
  71
  72         return lesser;
  73     }
  74
  75 private:
  76     const ContactFields::Field mSortField;
  77     const Qt::SortOrder mSortOrder;
  78 };
  79
  80 ContactSorter::ContactSorter( ContactFields::Field field, Qt::SortOrder sortOrder )
  81     : mSortField( field ), mSortOrder( sortOrder )
  82 {
  83 }
  84
  85 void ContactSorter::sort( QList<KABC::Addressee> &contacts ) const
  86 {
  87     qStableSort( contacts.begin(), contacts.end(), ContactSortHelper( mSortField, mSortOrder ) );
  88 }