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/*
  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.
*/

#ifndef PICTURESWIDGET_H
#define PICTURESWIDGET_H

#include <QtWidgets/QWidget>
#include <QSqlDatabase>

#include "smtreemodel.h"
#include "pictureviewer2.h"
#include "smtreeview.h"

class PictureView;
class MappingTreeWidget;
class MappingEditWidget;
class MappingEditDialog;
class MappingTreeModel;
class QSqlQuery;
class PicFilesModel;
class QSortFilterProxyModel;
class QHideEvent;
class QEvent;
class HoverWindow;
class PictureViewer2;
class QAction;
class QActionGroup;
struct MappingData;

class PicturesWidget : public QWidget {
    Q_OBJECT
    public:
        explicit PicturesWidget(QWidget *parent = 0);
        PictureView *picView() { return mPictureView; }
        void setPicViewerAction(QAction *action) { mPicViewerA = action; }
        PictureViewer2 *picViewer2() { return mPicViewer; }

    public slots:
        void showPicViewer(bool toggled);
        void writeSettings();
        void readSettings();
        void constructWindowTitle();

    private slots:
        void editMappings();
        void showInPicViewer(const QModelIndex &idx);

    signals:
        void needWindowTitleChange(QString);
        void editMappingsDone();

    private:
        MappingTreeWidget *mMappingTree;
        PictureView *mPictureView;
        PictureViewer2 *mPicViewer;
        MappingEditDialog *mEditDialog;
        const QString mWindowTitleBase;
        QAction *mPicViewerA;
};

class PictureView : public SmTreeView {
    Q_OBJECT
    public:
        explicit PictureView(QWidget *parent = 0);
        QList<int> fileMappings() { return mFilesMappings; }
        PicFilesModel *filesModel() { return mModel; }
        QSortFilterProxyModel *proxy() { return mProxy; }
        void setPV(PictureViewer2 *pv) { mPV = pv; }
        PictureViewer2 *PV() { return mPV; }

    public slots:
        void mappingChanged(int pMapId);
        void deletePics();
        void refresh();
        void setPVData(int replace = false);
        void setPVAll();
        void setHoverWinVisible(bool visible) const;

    protected:
        virtual void hideEvent(QHideEvent *);
        virtual bool event(QEvent *e);
        virtual void contextMenuEvent(QContextMenuEvent *e);

    private slots:
        void selectedFilesChanged();

    signals:
        void newMappings(QString);
        void numSelected(int);
        void selectedSize(qint64);
        void editPicsMappings();

    private:
        HoverWindow *mHoverWin;
        QModelIndex mCurHover;
        QSortFilterProxyModel *mProxy;
        PicFilesModel *mModel;
        int mCursorOffset;
        QList<int> mFilesMappings;
        PictureViewer2 *mPV;
        MappingTreeModel *mMappingTreeModel;
};

#endif // PICTURESWIDGET_H