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/* 
 *
 * $Id: k3baudiotrackwidget.cpp 619556 2007-01-03 17:38:12Z trueg $
 * Copyright (C) 2004 Sebastian Trueg <trueg@k3b.org>
 *
 * This file is part of the K3b project.
 * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
 *
 * 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" for the exact licensing terms.
 */

#include "k3baudiotrackwidget.h"
#include "k3baudioeditorwidget.h"
#include "k3baudiotrack.h"

#include <k3bmsfedit.h>
#include <k3bvalidators.h>
#include <k3bcdtextvalidator.h>

#include <qlabel.h>
#include <qcheckbox.h>
#include <qtooltip.h>
#include <qwhatsthis.h>
#include <qwidgetstack.h>
#include <qgroupbox.h>
#include <qtabwidget.h>

#include <klineedit.h>
#include <klocale.h>
#include <kdebug.h>



K3bAudioTrackWidget::K3bAudioTrackWidget( const QPtrList<K3bAudioTrack>& tracks, 
					  QWidget* parent, const char* name )
  : base_K3bAudioTrackWidget( parent, name ),
    m_tracks(tracks)
{
  m_labelPostGap->setBuddy( m_editPostGap );

  QToolTip::add( m_labelPostGap, QToolTip::textFor( m_editPostGap ) );
  QWhatsThis::add( m_labelPostGap, QWhatsThis::textFor( m_editPostGap ) );

  // no post-gap for the last track
  m_editPostGap->setDisabled( tracks.count() == 1 && !tracks.getFirst()->next() );

  K3bCdTextValidator* val = new K3bCdTextValidator( this );
  m_editSongwriter->setValidator( val );
  m_editArranger->setValidator( val );
  m_editComposer->setValidator( val );
  m_editMessage->setValidator( val );
  m_editTitle->setValidator( val );
  m_editPerformer->setValidator( val );
  m_editIsrc->setValidator( K3bValidators::isrcValidator( this ) );

  load();
}


K3bAudioTrackWidget::~K3bAudioTrackWidget()
{
}


void K3bAudioTrackWidget::load()
{
 if( !m_tracks.isEmpty() ) {

    K3bAudioTrack* track = m_tracks.first();

    m_editPostGap->setMsfValue( track->postGap() );

    m_editTitle->setText( track->title() );
    m_editPerformer->setText( track->artist() );
    m_editArranger->setText( track->arranger() );
    m_editSongwriter->setText( track->songwriter() );
    m_editComposer->setText( track->composer() );
    m_editIsrc->setText( track->isrc() );
    m_editMessage->setText( track->cdTextMessage() );
    
    m_checkCopyPermitted->setChecked( !track->copyProtection() );
    m_checkPreemphasis->setChecked( track->preEmp() );
    
    // load CD-Text for all other tracks
    for( track = m_tracks.next(); track != 0; track = m_tracks.next() ) {

      // FIXME: handle different post-gaps
      // m_editPostGap->setMsfValue( track->postGap() );

      if( track->title() != m_editTitle->text() )
	m_editTitle->setText( QString::null );

      if( track->artist() != m_editPerformer->text() )
	m_editPerformer->setText( QString::null );

      if( track->arranger() != m_editArranger->text() )
	m_editArranger->setText( QString::null );

      if( track->songwriter() != m_editSongwriter->text() )
	m_editSongwriter->setText( QString::null );

      if( track->composer() != m_editComposer->text() )
	m_editComposer->setText( QString::null );

      if( track->isrc() != m_editIsrc->text() )
	m_editIsrc->setText( QString::null );

      if( track->cdTextMessage() != m_editMessage->text() )
	m_editMessage->setText( QString::null );
    }

    if( m_tracks.count() > 1 ) {
      m_checkCopyPermitted->setNoChange();
      m_checkPreemphasis->setNoChange();
    }
  }

  m_editTitle->setFocus();
}


void K3bAudioTrackWidget::save()
{
  // save CD-Text, preemphasis, and copy protection for all tracks. no problem
  for( K3bAudioTrack* track = m_tracks.first(); track != 0; track = m_tracks.next() ) {
    
    if( m_editTitle->isModified() )
      track->setTitle( m_editTitle->text() );

    if( m_editPerformer->isModified() )
      track->setArtist( m_editPerformer->text() );

    if( m_editArranger->isModified() )
      track->setArranger( m_editArranger->text() );

    if( m_editSongwriter->isModified() )
      track->setSongwriter( m_editSongwriter->text() );

    if( m_editComposer->isModified() )
      track->setComposer( m_editComposer->text() );

    if( m_editIsrc->isModified() )
      track->setIsrc( m_editIsrc->text() );

    if( m_editMessage->isModified() )
      track->setCdTextMessage( m_editMessage->text() );

    if( m_checkCopyPermitted->state() != QButton::NoChange )
      track->setCopyProtection( !m_checkCopyPermitted->isChecked() );

    if( m_checkPreemphasis->state() != QButton::NoChange )
      track->setPreEmp( m_checkPreemphasis->isChecked() );

    track->setIndex0( track->length() - m_editPostGap->msfValue() );
  }
}

#include "k3baudiotrackwidget.moc"