/*
    Scan Tailor - Interactive post-processing tool for scanned pages.
    Copyright (C)  Joseph Artsimovich <joseph.artsimovich@gmail.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 3 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, see <http://www.gnu.org/licenses/>.
*/

#ifndef RELINKING_DIALOG_H_
#define RELINKING_DIALOG_H_

#include "ui/ui_RelinkingDialog.h"
#include "RelinkingModel.h"
#include "RelinkablePath.h"
#include "AbstractRelinker.h"
#include "IntrusivePtr.h"
#include <QDialog>

class RelinkingSortingModel;
class QAbstractButton;
class QItemSelection;
class QString;

class RelinkingDialog : public QDialog
{
    Q_OBJECT
public:
    explicit RelinkingDialog(QString const& project_file_path, QWidget* parent = 0);

    VirtualFunction1<void, RelinkablePath const&>& pathCollector()
    {
        return m_model;
    }

    /**
     * This method guarantees that
     * \code
     * dialog->relinker().get() == dialog->relinker().get()
     * \endcode
     * will hold true for the lifetime of the dialog.
     * This allows you to take the relinker right after construction
     * and then use it when accepted() signal is emitted.
     */
    IntrusivePtr<AbstractRelinker> relinker() const
    {
        return m_model.relinker();
    }
private slots:
    void selectionChanged(QItemSelection const& selected, QItemSelection const& deselected);

    /** \p type is either RelinkablePath::File or RelinkablePath::Dir */
    void pathButtonClicked(QString const& prefix_path, QString const& suffix_path, int type);

    void undoButtonClicked();

    void commitChanges();
private:
    Ui::RelinkingDialog ui;
    RelinkingModel m_model;
    RelinkingSortingModel* m_pSortingModel;
    QString m_projectFileDir;
};

#endif
