#ifndef FINDER_H
#define FINDER_H

/*
 * Copyright (C) 2007-2009 Sergio Pistone <sergio_pistone@yahoo.com.ar>
 * Copyright (C) 2010-2017 Mladen Milinkovic <max@smoothware.net>
 *
 * 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.
 */

#include "core/subtitle.h"
#include "core/subtitleline.h"

#include <QObject>

QT_FORWARD_DECLARE_CLASS(QGroupBox)
QT_FORWARD_DECLARE_CLASS(QRadioButton)
class KFind;
class KFindDialog;

namespace SubtitleComposer {
class SubtitleIterator;

class Finder : public QObject
{
	Q_OBJECT

public:
	explicit Finder(QWidget *parent = 0);
	virtual ~Finder();

	QWidget * parentWidget();

public slots:
	void setSubtitle(Subtitle *subtitle = 0);
	void setTranslationMode(bool enabled);

	void find(const RangeList &selectionRanges, int currentIndex, const QString &text = QString(), bool findBackwards = false);
	bool findNext();
	bool findPrevious();

signals:
	void found(SubtitleLine *line, bool primary, int startIndex, int endIndex);

private slots:
	void invalidate();

	void onLinePrimaryTextChanged(const SString &text);
	void onLineSecondaryTextChanged(const SString &text);

	void onHighlight(const QString &text, int matchingIndex, int matchedLength);

	void onIteratorSynchronized(int firstIndex, int lastIndex, bool inserted);

private:
	void advance();

private:
	Subtitle *m_subtitle;
	bool m_translationMode;
	bool m_feedingPrimary;

	KFind *m_find;
	KFindDialog *m_dialog;
	QGroupBox *m_targetGroupBox;
	QRadioButton *m_targetRadioButtons[SubtitleLine::TextTargetSIZE];
	SubtitleIterator *m_iterator;
	SubtitleLine *m_dataLine;
	bool m_instancesFound;
	int m_allSearchedIndex;
};
}
#endif
