/home/pete/Work/TSE3.svn/tse3/src/tse3/app/TrackSelection.h

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/*
 * @(#)app/TrackSelection.h 1.00 17 January 2001
 *
 * Copyright (c) 2000 Pete Goodliffe (pete@cthree.org)
 *
 * This file is part of TSE3 - the Trax Sequencer Engine version 3.00.
 *
 * This library is modifiable/redistributable under the terms of the GNU
 * General Public License.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING. If not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

#ifndef TSE3_APP_TRACKSELECTION_H
#define TSE3_APP_TRACKSELECTION_H

#include "tse3/listen/app/TrackSelection.h"

#include "tse3/Notifier.h"
#include "tse3/Track.h"
#include "tse3/listen/app/PartSelection.h"

#include <vector>
#include <cstddef>

namespace TSE3
{
    class Phrase;
    class Song;
    class Track;

    namespace App
    {
        class TrackSelection : public TSE3::Listener<TSE3::TrackListener>,
                               public TSE3::Listener<PartSelectionListener>,
                               public TSE3::Notifier<TrackSelectionListener>
        {
            public:

                TrackSelection();
                ~TrackSelection();
                TrackSelection(const TrackSelection &);

                /**************************************************************
                 * Setting the selection
                 *************************************************************/

                void select(TSE3::Track *track, bool add);

                void deselect(TSE3::Track *track);

                void clear();

                void selectAll(TSE3::Song *song);

                void invert(TSE3::Song *song);

                TrackSelection &operator=(const TrackSelection &);

                /**************************************************************
                 * Access to the selected Tracks
                 *************************************************************/

                size_t size() const { return tracks.size(); }

                bool isSelected(TSE3::Track *track) const;

                typedef std::vector<TSE3::Track*>::const_iterator iterator_t;

                Track *front() const
                {
                    return tracks.size() ? tracks.front() : 0;
                }

                Track *back() const
                {
                    return tracks.size() ? tracks.back() : 0;
                }

                iterator_t begin() const { return tracks.begin(); }

                iterator_t end() const { return tracks.end(); }

                virtual void Track_Reparented(Track *);

                virtual void Notifier_Deleted(Track *);

                virtual void PartSelection_Selected
                    (PartSelection *, TSE3::Part *, bool);

            private:

                void addTrack(TSE3::Track *track);

                void removeTrack(TSE3::Track *part);

                void recalculateEnds();

                std::vector<TSE3::Track*>  tracks;
                bool                       tracksValid;
                TSE3::Track               *minTrack;
                TSE3::Track               *maxTrack;
        };
    }
}

#endif

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