/usr/include/resourcequeryprovider.h is in plasma-active-dev 1:0.5-0ubuntu2.
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Copyright (C) 2012 Marco Martin <mart@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef RESOURCEQUERYPROVIDER_H
#define RESOURCEQUERYPROVIDER_H
#include "basicqueryprovider.h"
#include "nepomukdatamodel_export.h"
#include <QSize>
#include <KFileItem>
#include <Nepomuk2/Vocabulary/NFO>
#include <Soprano/Vocabulary/NAO>
class KImageCache;
class ResourceQueryProviderPrivate;
class NEPOMUKDATAMODEL_EXPORT ResourceQueryProvider : public BasicQueryProvider
{
Q_OBJECT
/**
* @property string a free form query in the Nepomuk desktop query language
*/
Q_PROPERTY(QString queryString READ queryString WRITE setQueryString NOTIFY queryStringChanged)
/**
* @property Array list of fields the results will be sorted: their order is the priority in sorting
*/
Q_PROPERTY(QVariantList sortBy READ sortBy WRITE setSortBy NOTIFY sortByChanged)
/**
* @property SortOrder Qt.Ascending or Qt.Descending
*/
Q_PROPERTY(Qt::SortOrder sortOrder READ sortOrder WRITE setSortOrder NOTIFY sortOrderChanged)
/**
* Use this property to specify the size of thumbnail which the model should attempt to generate for the thumbnail role.
*/
Q_PROPERTY(QSize thumbnailSize READ thumbnailSize WRITE setThumbnailSize NOTIFY thumbnailSizeChanged)
public:
enum Roles {
Label = Qt::UserRole+1,
Description,
Types,
ClassName,
GenericClassName,
HasSymbol,
Icon,
Thumbnail,
IsFile,
Exists,
Rating,
NumericRating,
ResourceUri,
ResourceType,
MimeType,
Url,
Tags,
TagsNames
};
ResourceQueryProvider(QObject* parent = 0);
~ResourceQueryProvider();
//properties
void setQueryString(const QString &query);
QString queryString() const;
void setSortBy(const QVariantList &sortBy);
QVariantList sortBy() const;
void setSortOrder(Qt::SortOrder sortOrder);
Qt::SortOrder sortOrder() const;
void setThumbnailSize(const QSize &size);
QSize thumbnailSize() const;
/**
* Reimplemented from AbstractQueryProvider
*/
QVariant formatData(const Nepomuk2::Query::Result &row, const QPersistentModelIndex &index, int role) const;
Q_SIGNALS:
void queryStringChanged();
void sortByChanged();
void sortOrderChanged();
void thumbnailSizeChanged();
protected:
virtual void doQuery();
private:
ResourceQueryProviderPrivate *const d;
friend class ResourceQueryProviderPrivate;
Q_PRIVATE_SLOT(d, void showPreview(const KFileItem &item, const QPixmap &preview))
Q_PRIVATE_SLOT(d, void previewFailed(const KFileItem &item))
Q_PRIVATE_SLOT(d, void delayedPreview())
};
#endif // RESOURCEQUERYPROVIDER_H
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