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/*
Copyright (c) 2007 Volker Krause <vkrause@kde.org>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#include "subscriptionmodel_p.h"
#include "collectionfetchjob.h"
#include "collectionutils_p.h"
#include "specialcollectionattribute_p.h"
#include "entityhiddenattribute.h"
#include <kdebug.h>
#include <QtCore/QStringList>
#include <QtGui/QFont>
using namespace Akonadi;
/**
* @internal
*/
class SubscriptionModel::Private
{
public:
Private( SubscriptionModel* parent ) : q( parent ), showHiddenCollection(false) {}
SubscriptionModel* q;
QHash<Collection::Id, bool> subscriptions;
QSet<Collection::Id> changes;
bool showHiddenCollection;
Collection::List changedSubscriptions( bool subscribed )
{
Collection::List list;
foreach ( Collection::Id id, changes ) {
if ( subscriptions.value( id ) == subscribed )
list << Collection( id );
}
return list;
}
void listResult( KJob* job )
{
if ( job->error() ) {
// TODO
kWarning() << job->errorString();
return;
}
Collection::List cols = static_cast<CollectionFetchJob*>( job )->collections();
foreach ( const Collection &col, cols )
if ( !CollectionUtils::isStructural( col ) )
subscriptions[ col.id() ] = true;
q->reset();
emit q->loaded();
}
bool isSubscribable( Collection::Id id )
{
Collection col = q->collectionForId( id );
if ( CollectionUtils::isStructural( col ) || CollectionUtils::isVirtual( col ) )
return false;
if ( col.hasAttribute<SpecialCollectionAttribute>() )
return false;
if ( col.contentMimeTypes().isEmpty() )
return false;
return true;
}
};
SubscriptionModel::SubscriptionModel(QObject * parent) :
CollectionModel( parent ),
d( new Private( this ) )
{
includeUnsubscribed();
CollectionFetchJob* job = new CollectionFetchJob( Collection::root(), CollectionFetchJob::Recursive, this );
connect( job, SIGNAL(result(KJob*)), this, SLOT(listResult(KJob*)) );
}
SubscriptionModel::~ SubscriptionModel()
{
delete d;
}
QVariant SubscriptionModel::data(const QModelIndex & index, int role) const
{
switch ( role ) {
case Qt::CheckStateRole:
{
const Collection::Id col = index.data( CollectionIdRole ).toLongLong();
if ( !d->isSubscribable( col ) )
return QVariant();
if ( d->subscriptions.value( col ) )
return Qt::Checked;
return Qt::Unchecked;
}
case SubscriptionChangedRole:
{
const Collection::Id col = index.data( CollectionIdRole ).toLongLong();
if ( d->changes.contains( col ) )
return true;
return false;
}
case Qt::FontRole:
{
const Collection::Id col = index.data( CollectionIdRole ).toLongLong();
QFont font = CollectionModel::data( index, role ).value<QFont>();
font.setBold( d->changes.contains( col ) );
return font;
}
}
if ( role == CollectionIdRole ) {
return CollectionModel::data( index, CollectionIdRole );
} else {
const Collection::Id collectionId = index.data( CollectionIdRole ).toLongLong();
const Collection collection = collectionForId( collectionId );
if( collection.hasAttribute<EntityHiddenAttribute>() ) {
if(d->showHiddenCollection) {
return CollectionModel::data( index, role );
} else {
return QVariant();
}
} else {
return CollectionModel::data( index, role );
}
}
}
Qt::ItemFlags SubscriptionModel::flags(const QModelIndex & index) const
{
Qt::ItemFlags flags = CollectionModel::flags( index );
if ( d->isSubscribable( index.data( CollectionIdRole ).toLongLong() ) )
return flags | Qt::ItemIsUserCheckable;
return flags;
}
bool SubscriptionModel::setData(const QModelIndex & index, const QVariant & value, int role)
{
if ( role == Qt::CheckStateRole ) {
const Collection::Id col = index.data( CollectionIdRole ).toLongLong();
if ( d->subscriptions.contains( col ) && d->subscriptions.value( col ) == (value == Qt::Checked) )
return true; // no change
d->subscriptions[ col ] = value == Qt::Checked;
if ( d->changes.contains( col ) )
d->changes.remove( col );
else
d->changes.insert( col );
emit dataChanged( index, index );
return true;
}
return CollectionModel::setData( index, value, role );
}
Akonadi::Collection::List SubscriptionModel::subscribed() const
{
return d->changedSubscriptions( true );
}
Akonadi::Collection::List SubscriptionModel::unsubscribed() const
{
return d->changedSubscriptions( false );
}
void SubscriptionModel::showHiddenCollection(bool showHidden)
{
d->showHiddenCollection = showHidden;
}
#include "subscriptionmodel_p.moc"
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