/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2021 UniPro <ugene@unipro.ru>
 * http://ugene.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.
 */

#ifndef _U2_GRAPHICS_RECTANGULAR_BRANCH_ITEM_H_
#define _U2_GRAPHICS_RECTANGULAR_BRANCH_ITEM_H_

#include <U2Core/Task.h>

#include "GraphicsBranchItem.h"

namespace U2 {

class PhyNode;
class PhyBranch;
class GraphicsButtonItem;

class U2VIEW_EXPORT GraphicsRectangularBranchItem : public QObject, public GraphicsBranchItem {
    Q_OBJECT
public:
    static const qreal DEFAULT_WIDTH;
    static const qreal MAXIMUM_WIDTH;
    static const qreal EPSILON;
    static const int DEFAULT_HEIGHT;

    GraphicsRectangularBranchItem(const QString &name, GraphicsRectangularBranchItem *pitem);
    GraphicsRectangularBranchItem();
    GraphicsRectangularBranchItem(qreal d, PhyBranch *branch, double nodeValue);
    GraphicsRectangularBranchItem(qreal x, qreal y, const QString &name, qreal d, PhyBranch *branch);
    GraphicsRectangularBranchItem(qreal x, qreal y, const QString &name);

    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
    void setParentItem(QGraphicsItem *item);

    Direction getDirection() const {
        return direction;
    }
    qreal getHeight() const {
        return height;
    }
    void setHeightW(qreal h) {
        height = h;
    }
    void setHeight(qreal h);
    void setHeightCoef(int coef);
    void setHeightCoefW(int coef) {
        cur_height_coef = coef;
    }
    void setDirection(Direction d);

    void collapse();
    void setCollapsed(bool isCollapsed) {
        collapsed = isCollapsed;
    }
    void swapSiblings();
    void redrawBranches(int &current, qreal &minDistance, qreal &maxDistance, const PhyNode *root);

    const PhyBranch *getPhyBranch() const {
        return phyBranch;
    }
    GraphicsRectangularBranchItem *getChildItemByPhyBranch(const PhyBranch *branch);

    void drawCollapsedRegion();
    void branchCollapsed(GraphicsRectangularBranchItem *branch) {
        emit si_branchCollapsed(branch);
    }

signals:
    void si_branchCollapsed(GraphicsRectangularBranchItem *collapsedBranch);

private:
    qreal height;
    int cur_height_coef;
    Direction direction;
    PhyBranch *phyBranch;
};
}    // namespace U2

#endif
