/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */

/*
    Rosegarden
    A MIDI and audio sequencer and musical notation editor.
    Copyright 2000-2017 the Rosegarden development team.
 
    Other copyrights also apply to some parts of this work.  Please
    see the AUTHORS file and individual file headers for details.
 
    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.  See the file
    COPYING included with this distribution for more information.
*/

#define RG_MODULE_STRING "[SegmentInsertCommand]"

#include "SegmentInsertCommand.h"

#include "base/Composition.h"
#include "base/Segment.h"
#include "base/Studio.h"
#include "base/Track.h"
#include "document/RosegardenDocument.h"
#include "misc/ConfigGroups.h"
#include "misc/Debug.h"


#include <QApplication>
#include <QSettings>

namespace Rosegarden
{

SegmentInsertCommand::SegmentInsertCommand(RosegardenDocument *doc,
        TrackId track,
        timeT startTime,
        timeT endTime):
        NamedCommand(tr("Create Segment")),
        m_composition(&(doc->getComposition())),
        m_studio(&(doc->getStudio())),
        m_segment(0),
        m_track(track),
        m_startTime(startTime),
        m_endTime(endTime),
        m_detached(false)
{}

SegmentInsertCommand::SegmentInsertCommand(Composition *composition,
        Segment *segment,
        TrackId track):
        NamedCommand(tr("Create Segment")),
        m_composition(composition),
        m_studio(0),
        m_segment(segment),
        m_track(track),
        m_startTime(0),
        m_endTime(0),
        m_detached(false)
{}

SegmentInsertCommand::~SegmentInsertCommand()
{
    if (m_detached) {
        delete m_segment;
    }
}

Segment *
SegmentInsertCommand::getSegment() const
{
    return m_segment;
}

void
SegmentInsertCommand::execute()
{
    if (!m_segment) {
        // Create and insert Segment
        //
        m_segment = new Segment();
        m_segment->setTrack(m_track);
        m_segment->setStartTime(m_startTime);
        m_composition->addSegment(m_segment);
        m_segment->setEndTime(m_endTime);

        // Do our best to label the Segment with whatever is currently
        // showing against it.
        //
        Track *track = m_composition->getTrackById(m_track);
        std::string label;

        if (track) {
            // Get the settings value
            QSettings settings;
            settings.beginGroup(GeneralOptionsConfigGroup);
            bool useTrackName = settings.value("usetrackname", false).toBool();
            settings.endGroup();

            // If "Use track name" in configuration is selected
            if (useTrackName) {
                // Use the track name for the segment name.
                label = track->getLabel();
            } else {
                // Try to get a reasonable Segment name by Instrument.
                label = m_studio->getSegmentName(track->getInstrument());

                // If that failed, use the track name.
                if (label == "")
                    label = track->getLabel();
            }

            m_segment->setLabel(label);
        }
    } else {
        m_segment->setTrack(m_track);
        m_composition->addSegment(m_segment);
    }

    m_detached = false;
}

void
SegmentInsertCommand::unexecute()
{
    m_composition->detachSegment(m_segment);
    m_detached = true;
}

}
