searchgroup.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2008-01-20
 * Description : User interface for searches
 *
 * Copyright (C) 2008-2012 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 * Copyright (C) 2011-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * 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, 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_SEARCH_GROUP_H
#define DIGIKAM_SEARCH_GROUP_H
 
// Qt includes
 
#include <QWidget>
#include <QList>
 
// Local includes
 
#include "dexpanderbox.h"
#include "searchview.h"
#include "coredbsearchxml.h"
 
class QVBoxLayout;
 
namespace Digikam
{
 
class SearchGroupLabel;
class SearchFieldGroup;
class SearchFieldGroupLabel;
 
class SearchGroup : public AbstractSearchGroupContainer
{
    Q_OBJECT
 
public:
 
    enum Type
    {
        FirstGroup,
        ChainGroup
    };
 
public:
 
    explicit SearchGroup(SearchView* const parent);
 
    void setup(Type type = FirstGroup);
 
    void read(SearchXmlCachingReader& reader);
    void write(SearchXmlWriter& writer);
    void reset();
 
    Type groupType()                    const;
 
    QList<QRect> startupAnimationArea() const;
 
Q_SIGNALS:
 
    void removeRequested();
 
protected:
 
    SearchGroup* createSearchGroup()          override;
    void addGroupToLayout(SearchGroup* group) override;
 
protected:
 
    SearchView*                   m_view;
 
    QList<SearchFieldGroup*>      m_fieldGroups;
    QList<SearchFieldGroupLabel*> m_fieldLabels;
 
    QVBoxLayout*                  m_layout;
    SearchGroupLabel*             m_label;
    QVBoxLayout*                  m_subgroupLayout;
 
    Type                          m_groupType;
};
 
// -------------------------------------------------------------------------
 
class SearchGroupLabel : public QWidget
{
    Q_OBJECT
 
public:
 
    SearchGroupLabel(SearchViewThemedPartsCache* const cache,
                     SearchGroup::Type type,
                     QWidget* const parent = nullptr);
    ~SearchGroupLabel()             override;
 
    void setGroupOperator(SearchXml::Operator op);
    void setDefaultFieldOperator(SearchXml::Operator op);
 
    SearchXml::Operator groupOperator()        const;
    SearchXml::Operator defaultFieldOperator() const;
 
Q_SIGNALS:
 
    void removeClicked();
 
protected Q_SLOTS:
 
    void toggleShowOptions();
    void toggleGroupOperator();
    void boxesToggled();
 
protected:
 
    void setExtended(bool extended);
    void adjustOperatorOptions();
    void updateGroupLabel();
 
    void paintEvent(QPaintEvent*)   override;
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_SEARCH_GROUP_H