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/***************************************************************************
* Copyright (C) 2009 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef DOLPHINSEARCHOPTIONSCONFIGURATOR_H
#define DOLPHINSEARCHOPTIONSCONFIGURATOR_H
#include <kurl.h>
#define DISABLE_NEPOMUK_LEGACY
#include <nepomuk/query.h>
#include <QList>
#include <QString>
#include <QWidget>
class KComboBox;
class SearchCriterionSelector;
class QPushButton;
class QVBoxLayout;
/**
* @brief Allows the user to configure a search query for Nepomuk.
*/
class DolphinSearchOptionsConfigurator : public QWidget
{
Q_OBJECT
public:
DolphinSearchOptionsConfigurator(QWidget* parent = 0);
virtual ~DolphinSearchOptionsConfigurator();
QString customSearchQuery() const;
KUrl directory() const;
/**
* Returns the sum of the configured options and the
* custom search query as Nepomuk conform search URL. If the
* query is invalid, an empty URL is returned.
* @see DolphinSearchOptionsConfigurator::setCustomSearchQuery()
*/
KUrl nepomukSearchUrl() const;
public slots:
/**
* Sets a custom search query that is added to the
* search query defined by the search options configurator.
* This is useful if a custom search user interface is
* offered outside the search options configurator.
*/
void setCustomSearchQuery(const QString& searchQuery);
/**
* Sets the directory that is used when the
* "From Here"-location-filter is used. URLs that represent
* already a Nepomuk search URL will be ignored.
*/
void setDirectory(const KUrl& dir);
signals:
void searchOptionsChanged();
protected:
virtual void showEvent(QShowEvent* event);
private slots:
void slotAddSelectorButtonClicked();
void removeCriterion();
/**
* Saves the current query by adding it as Places entry.
*/
void saveQuery();
/**
* Enables the enabled property of the search-, save-button and the
* add-selector button.
*/
void updateButtons();
private:
/**
* Adds the new search description selector to the bottom
* of the layout.
*/
void addCriterion(SearchCriterionSelector* selector);
/**
* Returns the sum of the configured options and the
* custom search query as Nepomuk confrom query.
* @see DolphinSearchOptionsConfigurator::setCustomSearchQuery()
*/
Nepomuk::Query::Query nepomukQuery() const;
private:
bool m_initialized;
KUrl m_directory;
KComboBox* m_locationBox;
KComboBox* m_whatBox;
QPushButton* m_addSelectorButton;
QPushButton* m_searchButton;
QPushButton* m_saveButton;
QVBoxLayout* m_vBoxLayout;
QList<SearchCriterionSelector*> m_criteria;
QString m_customSearchQuery;
};
#endif
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