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akonadi

messagemodel.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 "messagemodel.h"
00021 #include "messageparts.h"
00022 
00023 #include <akonadi/itemfetchscope.h>
00024 #include <akonadi/monitor.h>
00025 #include <akonadi/session.h>
00026 
00027 #include <kmime/kmime_message.h>
00028 #include <boost/shared_ptr.hpp>
00029 typedef boost::shared_ptr<KMime::Message> MessagePtr;
00030 
00031 #include <kdebug.h>
00032 #include <kglobal.h>
00033 #include <klocale.h>
00034 
00035 #include <QtCore/QDebug>
00036 
00037 using namespace Akonadi;
00038 
00039 class Akonadi::MessageModel::Private
00040 {
00041   public:
00042 };
00043 
00044 MessageModel::MessageModel( QObject *parent ) :
00045     ItemModel( parent ),
00046     d( new Private() )
00047 {
00048   fetchScope().fetchPayloadPart( MessagePart::Envelope );
00049 }
00050 
00051 MessageModel::~MessageModel( )
00052 {
00053   delete d;
00054 }
00055 
00056 QStringList MessageModel::mimeTypes() const
00057 {
00058   return QStringList()
00059       << QLatin1String("text/uri-list")
00060       << QLatin1String("message/rfc822");
00061 }
00062 
00063 int MessageModel::rowCount( const QModelIndex& ) const
00064 {
00065   if ( collection().isValid()
00066           && !collection().contentMimeTypes().contains( QLatin1String("message/rfc822") )
00067           && collection().contentMimeTypes() != QStringList( QLatin1String("inode/directory") ) )
00068     return 1;
00069 
00070   return ItemModel::rowCount();
00071 }
00072 
00073 int MessageModel::columnCount( const QModelIndex & parent ) const
00074 {
00075   if ( collection().isValid()
00076           && !collection().contentMimeTypes().contains( QLatin1String("message/rfc822") )
00077           && collection().contentMimeTypes() != QStringList( QLatin1String("inode/directory") ) )
00078     return 1;
00079 
00080   if ( !parent.isValid() )
00081     return 5; // keep in sync with the column type enum
00082 
00083   return 0;
00084 }
00085 
00086 QVariant MessageModel::data( const QModelIndex & index, int role ) const
00087 {
00088   if ( !index.isValid() )
00089     return QVariant();
00090   if ( index.row() >= rowCount() )
00091     return QVariant();
00092 
00093   if ( !collection().contentMimeTypes().contains( QLatin1String("message/rfc822") ) ) {
00094      if ( role == Qt::DisplayRole )
00095        return i18nc( "@label", "This model can only handle email folders. The current collection holds mimetypes: %1",
00096                        collection().contentMimeTypes().join( QLatin1String(",") ) );
00097      else
00098        return QVariant();
00099   }
00100 
00101   Item item = itemForIndex( index );
00102   if ( !item.hasPayload<MessagePtr>() )
00103     return QVariant();
00104   MessagePtr msg = item.payload<MessagePtr>();
00105   if ( role == Qt::DisplayRole ) {
00106     switch ( index.column() ) {
00107       case Subject:
00108         return msg->subject()->asUnicodeString();
00109       case Sender:
00110         return msg->from()->asUnicodeString();
00111       case Receiver:
00112         return msg->to()->asUnicodeString();
00113       case Date:
00114         return KGlobal::locale()->formatDateTime( msg->date()->dateTime().toLocalZone(), KLocale::FancyLongDate );
00115       case Size:
00116         if ( item.size() == 0 )
00117           return i18nc( "@label No size available", "-" );
00118         else
00119           return KGlobal::locale()->formatByteSize( item.size() );
00120       default:
00121         return QVariant();
00122     }
00123   } else if ( role == Qt::EditRole ) {
00124     switch ( index.column() ) {
00125       case Subject:
00126         return msg->subject()->asUnicodeString();
00127       case Sender:
00128         return msg->from()->asUnicodeString();
00129       case Receiver:
00130         return msg->to()->asUnicodeString();
00131       case Date:
00132         return msg->date()->dateTime().dateTime();
00133       case Size:
00134         return item.size();
00135       default:
00136         return QVariant();
00137     }
00138   }
00139   return ItemModel::data( index, role );
00140 }
00141 
00142 QVariant MessageModel::headerData( int section, Qt::Orientation orientation, int role ) const
00143 {
00144 
00145   if ( collection().isValid()
00146           && !collection().contentMimeTypes().contains( QLatin1String("message/rfc822") )
00147           && collection().contentMimeTypes() != QStringList( QLatin1String("inode/directory") ) )
00148     return QVariant();
00149 
00150   if ( orientation == Qt::Horizontal && role == Qt::DisplayRole ) {
00151     switch ( section ) {
00152       case Subject:
00153         return i18nc( "@title:column, message (e.g. email) subject", "Subject" );
00154       case Sender:
00155         return i18nc( "@title:column, sender of message (e.g. email)", "Sender" );
00156       case Receiver:
00157         return i18nc( "@title:column, receiver of message (e.g. email)", "Receiver" );
00158       case Date:
00159         return i18nc( "@title:column, message (e.g. email) timestamp", "Date" );
00160       case Size:
00161         return i18nc( "@title:column, message (e.g. email) size", "Size" );
00162       default:
00163         return QString();
00164     }
00165   }
00166   return ItemModel::headerData( section, orientation, role );
00167 }
00168 
00169 #include "messagemodel.moc"
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