
/* BEGIN_COMMON_COPYRIGHT_HEADER
 *
 * TOra - An Oracle Toolkit for DBA's and developers
 *
 * Shared/mixed copyright is held throughout files in this product
 *
 * Portions Copyright (C) 2000-2001 Underscore AB
 * Portions Copyright (C) 2003-2005 Quest Software, Inc.
 * Portions Copyright (C) 2004-2013 Numerous Other Contributors
 *
 * 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;  only version 2 of
 * the License is valid for this program.
 *
 * 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 as the file COPYING.txt; if not, please see
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 *      As a special exception, you have permission to link this program
 *      with the Oracle Client libraries and distribute executables, as long
 *      as you follow the requirements of the GNU GPL in regard to all of the
 *      software in the executable aside from Oracle client libraries.
 *
 * All trademarks belong to their respective owners.
 *
 * END_COMMON_COPYRIGHT_HEADER */

#ifndef TORESULTDRAWING_H
#define TORESULTDRAWING_H

#include "core/toresult.h"
#include "core/utils.h"

class DotGraphView;
class QSlider;

class toResultDrawing : public QWidget, public toResult
{
    public:
        toResultDrawing(QWidget *parent = 0,
                        const char *name = 0,
                        toWFlags f = 0);

        /**
         * Reimplemented from toResult. Can handle all connections.
         */
        virtual bool canHandle(const toConnection &)
        {
            return true;
        }

        /**
         * Implemented abstract method from toResult
         */
        virtual void query(const QString &, toQueryParams const& params);

        /** Clear result widget */
        virtual void clearData();

        DotGraphView *m_dotGraphView;

        struct Table
        {
            Table(QString const& name);
            QString name;
            mutable unsigned edges; // avoid set limitations
            unsigned increment() const { return ++edges; }
        };
        struct Edge
        {
            Edge(QString const& name, QString const& from, QString const& to);
            Edge(QString const& name, QString const& from, QString const& to, unsigned minlen);
            QString name, from, to;
            unsigned minlen;
        };
    private slots:
        void setDistance(int);
    private:
        Q_OBJECT;
        QAction* refreshAct;
        QSlider* slider;
        int distance;
};


#endif

