• Skip to content
  • Skip to link menu
  • KDE API Reference
  • kdepimlibs-4.8.3 API Reference
  • KDE Home
  • Contact Us
 

akonadi

collectionstatisticsmodel.cpp
00001 /*
00002     Copyright (c) 2006 Volker Krause <vkrause@kde.org>
00003 
00004     This library is free software; you can redistribute it and/or modify it
00005     under the terms of the GNU Library General Public License as published by
00006     the Free Software Foundation; either version 2 of the License, or (at your
00007     option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful, but WITHOUT
00010     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00011     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00012     License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to the
00016     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017     02110-1301, USA.
00018 */
00019 
00020 #include "collectionstatisticsmodel.h"
00021 
00022 #include "collection.h"
00023 #include "collectionmodel_p.h"
00024 #include "collectionstatistics.h"
00025 
00026 #include <kdebug.h>
00027 #include <KGlobal>
00028 #include <klocale.h>
00029 
00030 #include <QtGui/QFont>
00031 
00032 using namespace Akonadi;
00033 
00034 namespace Akonadi {
00035 
00036 class CollectionStatisticsModelPrivate : public CollectionModelPrivate
00037 {
00038   public:
00039     enum CountType { Total, Unread, Size };
00040     Q_DECLARE_PUBLIC( CollectionStatisticsModel )
00041     CollectionStatisticsModelPrivate( CollectionStatisticsModel *parent )
00042         : CollectionModelPrivate( parent )
00043     {}
00044 
00045     qint64 countRecursive( Collection::Id collection, CountType type ) const;
00046 };
00047 
00048 }
00049 
00050 qint64 CollectionStatisticsModelPrivate::countRecursive( Collection::Id collection,
00051                                                          CountType type ) const
00052 {
00053   qint64 result = -1;
00054   switch ( type ) {
00055     case Unread: result = collections.value( collection ).statistics().unreadCount();
00056                  break;
00057     case Total: result = collections.value( collection ).statistics().count();
00058                 break;
00059     case Size: result = collections.value( collection ).statistics().size();
00060                 break;
00061     default: Q_ASSERT( false );
00062              break;
00063   }
00064 
00065   const QVector<Collection::Id> children = childCollections.value( collection );
00066   foreach ( Collection::Id currentCollection, children ) {
00067     result += countRecursive( currentCollection, type );
00068   }
00069   return result;
00070 }
00071 
00072 CollectionStatisticsModel::CollectionStatisticsModel( QObject * parent ) :
00073     CollectionModel( new CollectionStatisticsModelPrivate( this ), parent )
00074 {
00075   fetchCollectionStatistics( true );
00076 }
00077 
00078 int CollectionStatisticsModel::columnCount( const QModelIndex & parent ) const
00079 {
00080   if ( parent.isValid() && parent.column() != 0 )
00081     return 0;
00082   return 4;
00083 }
00084 
00085 QVariant CollectionStatisticsModel::data( const QModelIndex & index, int role ) const
00086 {
00087   Q_D( const CollectionStatisticsModel );
00088   if ( !index.isValid() )
00089     return QVariant();
00090 
00091   Collection col = collectionForId( CollectionModel::data( index, CollectionIdRole ).toLongLong() );
00092   if ( !col.isValid() )
00093     return QVariant();
00094   CollectionStatistics statistics = col.statistics();
00095 
00096   qint64 total = statistics.count();
00097   qint64 unread = statistics.unreadCount();
00098   qint64 size = statistics.size();
00099   qint64 totalRecursive = d->countRecursive( col.id(),
00100                                              CollectionStatisticsModelPrivate::Total );
00101   qint64 unreadRecursive = d->countRecursive( col.id(),
00102                                               CollectionStatisticsModelPrivate::Unread );
00103   qint64 sizeRecursive = d->countRecursive( col.id(),
00104                                             CollectionStatisticsModelPrivate::Size );
00105 
00106   if ( role == TotalRole )
00107     return total;
00108   else if ( role == UnreadRole )
00109     return unread;
00110   else if ( role == SizeRole )
00111     return size;
00112   else if ( role == RecursiveUnreadRole )
00113     return unreadRecursive;
00114   else if ( role == RecursiveTotalRole )
00115     return totalRecursive;
00116   else if ( role == RecursiveSizeRole )
00117     return sizeRecursive;
00118   else if ( role == StatisticsRole ) {
00119     QVariant var;
00120     var.setValue( statistics );
00121     return var;
00122   } else if ( role == RecursiveStatisticsRole ) {
00123     QVariant var;
00124     var.setValue( statistics ); //FIXME:(tmg) returns a recursive statistic object here
00125     return var;
00126   }
00127 
00128   if ( role == Qt::DisplayRole &&
00129        ( index.column() == 1 || index.column() == 2 || index.column() == 3 ) ) {
00130 
00131     qint64 value = -1;
00132     switch ( index.column() ) {
00133       case 1 : value = unread; break;
00134       case 2 : value = total; break;
00135       case 3 : value = size; break;
00136     }
00137     if ( value < 0 )
00138       return QString();
00139     else if ( value == 0 )
00140       return QLatin1String( "-" );
00141     else if ( index.column() == 3 )
00142       return KGlobal::locale()->formatByteSize( value );
00143     else
00144       return QString::number( value );
00145   }
00146 
00147   if ( role == Qt::TextAlignmentRole && ( index.column() == 1 || index.column() == 2 || index.column() == 3 ) )
00148     return Qt::AlignRight;
00149 
00150   return CollectionModel::data( index, role );
00151 }
00152 
00153 QVariant CollectionStatisticsModel::headerData( int section, Qt::Orientation orientation, int role ) const
00154 {
00155   if ( orientation == Qt::Horizontal && role == Qt::DisplayRole )
00156     switch ( section ) {
00157       case 1: return i18nc( "@title:column, number of unread messages", "Unread" );
00158       case 2: return i18nc( "@title:column, total number of messages", "Total" );
00159       case 3: return i18nc( "@title:column, total size (in bytes) of the collection", "Size" );
00160     }
00161 
00162   return CollectionModel::headerData( section, orientation, role );
00163 }
00164 
00165 #include "collectionstatisticsmodel.moc"
This file is part of the KDE documentation.
Documentation copyright © 1996-2012 The KDE developers.
Generated on Mon May 14 2012 04:52:52 by doxygen 1.7.5 written by Dimitri van Heesch, © 1997-2006

KDE's Doxygen guidelines are available online.

akonadi

Skip menu "akonadi"
  • Main Page
  • Namespace List
  • Namespace Members
  • Alphabetical List
  • Class List
  • Class Hierarchy
  • Class Members
  • File List
  • Modules
  • Related Pages

kdepimlibs-4.8.3 API Reference

Skip menu "kdepimlibs-4.8.3 API Reference"
  • akonadi
  •   contact
  •   kmime
  • kabc
  • kalarmcal
  • kblog
  • kcal
  • kcalcore
  • kcalutils
  • kholidays
  • kimap
  • kioslave
  •   imap4
  •   mbox
  •   nntp
  • kldap
  • kmbox
  • kmime
  • kontactinterface
  • kpimidentities
  • kpimtextedit
  •   richtextbuilders
  • kpimutils
  • kresources
  • ktnef
  • kxmlrpcclient
  • mailtransport
  • microblog
  • qgpgme
  • syndication
  •   atom
  •   rdf
  •   rss2
Report problems with this website to our bug tracking system.
Contact the specific authors with questions and comments about the page contents.

KDE® and the K Desktop Environment® logo are registered trademarks of KDE e.V. | Legal