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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 "entityhiddenattribute.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   QModelIndex rowIndex = sourceModel()->index(sourceRow, 0, sourceParent);
00064   Akonadi::Collection col = rowIndex.data(Akonadi::EntityTreeModel::CollectionRole).value<Akonadi::Collection>();
00065   if (!col.isValid())
00066     return false;
00067 
00068   if (d->includedMimeTypes.isEmpty())
00069     return true;
00070 
00071   QSet<QString> contentMimeTypes = col.contentMimeTypes().toSet();
00072 
00073   if ( contentMimeTypes.intersect(d->includedMimeTypes).isEmpty())
00074     return false;
00075   return true;
00076 }
00077 
00078 void RecursiveCollectionFilterProxyModel::addContentMimeTypeInclusionFilter(const QString& mimeType)
00079 {
00080   Q_D(RecursiveCollectionFilterProxyModel);
00081   d->includedMimeTypes << mimeType;
00082   invalidateFilter();
00083 }
00084 
00085 void RecursiveCollectionFilterProxyModel::addContentMimeTypeInclusionFilters(const QStringList& mimeTypes)
00086 {
00087   Q_D(RecursiveCollectionFilterProxyModel);
00088   d->includedMimeTypes.unite(mimeTypes.toSet());
00089   invalidateFilter();
00090 }
00091 
00092 void RecursiveCollectionFilterProxyModel::clearFilters()
00093 {
00094   Q_D(RecursiveCollectionFilterProxyModel);
00095   d->includedMimeTypes.clear();
00096   invalidateFilter();
00097 }
00098 
00099 void RecursiveCollectionFilterProxyModel::setContentMimeTypeInclusionFilters(const QStringList& mimeTypes)
00100 {
00101   Q_D(RecursiveCollectionFilterProxyModel);
00102   d->includedMimeTypes = mimeTypes.toSet();
00103   invalidateFilter();
00104 }
00105 
00106 QStringList RecursiveCollectionFilterProxyModel::contentMimeTypeInclusionFilters() const
00107 {
00108   Q_D(const RecursiveCollectionFilterProxyModel);
00109   return d->includedMimeTypes.toList();
00110 }

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