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akonadi

recentcollectionaction.cpp
00001 /*
00002  * Copyright (c) 2011 Laurent Montel <montel@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  * This library is distributed in the hope that it will be useful, but WITHOUT
00009  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00010  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00011  * License for more details.
00012  *
00013  *  You should have received a copy of the GNU Library General Public License
00014  *  along with this library; see the file COPYING.LIB.  If not, write to the
00015  *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00016  *  02110-1301, USA.
00017  */
00018 
00019 #include "recentcollectionaction_p.h"
00020 #include "metatypes.h"
00021 #include <akonadi/entitytreemodel.h>
00022 #include <KConfig>
00023 #include <KConfigGroup>
00024 #include <KLocale>
00025 
00026 #include <QMenu>
00027 #include <QAction>
00028 using namespace Akonadi;
00029 
00030 static int s_maximumRecentCollection = 10;
00031 
00032 RecentCollectionAction::RecentCollectionAction(const QAbstractItemModel *model, QMenu *menu)
00033   :QObject( menu ),
00034    mMenu( menu ),
00035    mModel( model ),
00036    mRecentAction( 0 )
00037 {
00038   mAkonadiConfig = KSharedConfig::openConfig( QLatin1String( "akonadikderc" ) );
00039   KConfigGroup group( mAkonadiConfig, QLatin1String( "Recent Collections" ) );
00040 
00041   mListRecentCollection = group.readEntry( "Collections", QStringList() );
00042   mRecentAction = mMenu->addAction( i18n( "Recent Folder" ) );
00043   mMenu->addSeparator();
00044   fillRecentCollection();
00045 }
00046 
00047 RecentCollectionAction::~RecentCollectionAction()
00048 {
00049 }
00050 
00051 void RecentCollectionAction::fillRecentCollection()
00052 {
00053   delete mRecentAction->menu();
00054   if ( mListRecentCollection.isEmpty() ) {
00055     mRecentAction->setEnabled( false );
00056     return;
00057   }
00058 
00059   QMenu* popup = new QMenu;
00060   mRecentAction->setMenu( popup );
00061 
00062   const int numberOfRecentCollection(mListRecentCollection.count());
00063   for ( int i=0; i < numberOfRecentCollection; ++i )
00064   {
00065     const QModelIndex index = Akonadi::EntityTreeModel::modelIndexForCollection( mModel, Akonadi::Collection( mListRecentCollection.at( i ).toLongLong() ) );
00066     if ( index.isValid() ) {
00067       QAction *action = popup->addAction( actionName( index ) );
00068       const QIcon icon = mModel->data( index, Qt::DecorationRole ).value<QIcon>();
00069       action->setIcon( icon );
00070       action->setData( QVariant::fromValue<QModelIndex>( index ) );
00071     }
00072   }
00073 }
00074 
00075 QString RecentCollectionAction::actionName(QModelIndex index)
00076 {
00077   QString name = index.data().toString();
00078   name.replace( QLatin1String( "&" ), QLatin1String( "&&" ) );
00079 
00080   index = index.parent();
00081   QString topLevelName;
00082   while ( index != QModelIndex() ) {
00083     topLevelName = index.data().toString();
00084     index = index.parent();
00085   }
00086   if ( topLevelName.isEmpty() )
00087     return QString::fromLatin1( "%1" ).arg( name );
00088   else {
00089     topLevelName.replace( QLatin1String( "&" ), QLatin1String( "&&" ) );
00090     return QString::fromLatin1( "%1 - %2" ).arg( name ).arg( topLevelName );
00091   }
00092 }
00093 
00094 void RecentCollectionAction::addRecentCollection( Akonadi::Collection::Id id )
00095 {
00096   const QString newCollectionID = QString::number( id );
00097   if ( mListRecentCollection.isEmpty() ||
00098        !mListRecentCollection.contains( newCollectionID ) ) {
00099     if ( mListRecentCollection.count() == s_maximumRecentCollection )
00100       mListRecentCollection.removeFirst();
00101     mListRecentCollection.append( newCollectionID );
00102     writeConfig();
00103     fillRecentCollection();
00104   }
00105 }
00106 
00107 void RecentCollectionAction::writeConfig()
00108 {
00109   KConfigGroup group( mAkonadiConfig, QLatin1String( "Recent Collections" ) );
00110   group.writeEntry( "Collections", mListRecentCollection );
00111   group.sync();
00112 }
00113 
00114 void RecentCollectionAction::cleanRecentCollection()
00115 {
00116   mListRecentCollection.clear();
00117   writeConfig();
00118   fillRecentCollection();
00119 }
00120 
00121 #include "recentcollectionaction_p.moc"
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