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akonadi

recursivecollectionfilterproxymodel.cpp
00001 /*
00002     Copyright (c) 2009 Stephen Kelly <steveire@gmail.com>
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 "recursivecollectionfilterproxymodel.h"
00021 
00022 #include "entitytreemodel.h"
00023 #include "mimetypechecker.h"
00024 
00025 #include <kdebug.h>
00026 
00027 using namespace Akonadi;
00028 
00029 namespace Akonadi
00030 {
00031 
00032 class RecursiveCollectionFilterProxyModelPrivate
00033 {
00034   Q_DECLARE_PUBLIC(RecursiveCollectionFilterProxyModel)
00035   RecursiveCollectionFilterProxyModel *q_ptr;
00036 public:
00037   RecursiveCollectionFilterProxyModelPrivate(RecursiveCollectionFilterProxyModel *model)
00038       : q_ptr(model)
00039   {
00040 
00041   }
00042 
00043   QSet<QString> includedMimeTypes;
00044 };
00045 
00046 }
00047 
00048 RecursiveCollectionFilterProxyModel::RecursiveCollectionFilterProxyModel( QObject* parent )
00049     : KRecursiveFilterProxyModel(parent), d_ptr(new RecursiveCollectionFilterProxyModelPrivate( this ) )
00050 {
00051 
00052 }
00053 
00054 RecursiveCollectionFilterProxyModel::~RecursiveCollectionFilterProxyModel()
00055 {
00056   delete d_ptr;
00057 }
00058 
00059 bool RecursiveCollectionFilterProxyModel::acceptRow( int sourceRow, const QModelIndex &sourceParent ) const
00060 {
00061   Q_D( const RecursiveCollectionFilterProxyModel );
00062 
00063   Akonadi::MimeTypeChecker checker;
00064   checker.setWantedMimeTypes( d->includedMimeTypes.toList() );
00065 
00066   const QModelIndex rowIndex = sourceModel()->index( sourceRow, 0, sourceParent );
00067   const Akonadi::Collection collection = rowIndex.data( Akonadi::EntityTreeModel::CollectionRole ).value<Akonadi::Collection>();
00068   if ( !collection.isValid() )
00069     return false;
00070 
00071   return checker.isWantedCollection( collection );
00072 }
00073 
00074 void RecursiveCollectionFilterProxyModel::addContentMimeTypeInclusionFilter(const QString& mimeType)
00075 {
00076   Q_D(RecursiveCollectionFilterProxyModel);
00077   d->includedMimeTypes << mimeType;
00078   invalidateFilter();
00079 }
00080 
00081 void RecursiveCollectionFilterProxyModel::addContentMimeTypeInclusionFilters(const QStringList& mimeTypes)
00082 {
00083   Q_D(RecursiveCollectionFilterProxyModel);
00084   d->includedMimeTypes.unite(mimeTypes.toSet());
00085   invalidateFilter();
00086 }
00087 
00088 void RecursiveCollectionFilterProxyModel::clearFilters()
00089 {
00090   Q_D(RecursiveCollectionFilterProxyModel);
00091   d->includedMimeTypes.clear();
00092   invalidateFilter();
00093 }
00094 
00095 void RecursiveCollectionFilterProxyModel::setContentMimeTypeInclusionFilters(const QStringList& mimeTypes)
00096 {
00097   Q_D(RecursiveCollectionFilterProxyModel);
00098   d->includedMimeTypes = mimeTypes.toSet();
00099   invalidateFilter();
00100 }
00101 
00102 QStringList RecursiveCollectionFilterProxyModel::contentMimeTypeInclusionFilters() const
00103 {
00104   Q_D(const RecursiveCollectionFilterProxyModel);
00105   return d->includedMimeTypes.toList();
00106 }

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