src/playlist/UndoCommands.cpp

   1 /***************************************************************************
   2  * copyright            : (C) 2007 Ian Monroe <ian@monroe.nu>              *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License version 2        *
   6  *   as published by the Free Software Foundation.                         *
   7  ***************************************************************************/
   8
   9
  10 #include "TheInstances.h"
  11 #include "UndoCommands.h"
  12
  13 using namespace Playlist;
  14 using namespace Qt;
  15
  16 AddTracksCmd::AddTracksCmd( QUndoCommand* parent, int row, Meta::TrackList tracks )
  17     : QUndoCommand( i18n("Tracks Added"), parent )
  18     , m_tracks( tracks )
  19     , m_row( row )
  20 {  }
  21
  22
  23 void
  24 AddTracksCmd::redo()
  25 {
  26     The::playlistModel()->insertTracksCommand( m_row, m_tracks );
  27 }
  28
  29 void
  30 AddTracksCmd::undo()
  31 {
  32     The::playlistModel()->removeRowsCommand( m_row, m_tracks.size() );
  33 }
  34
  35 RemoveTracksCmd::RemoveTracksCmd( QUndoCommand* parent, int position, int numOfRows )
  36     : QUndoCommand( i18n("Tracks Removed"), parent )
  37     , m_numOfRows( numOfRows )
  38     , m_position( position )
  39 {  }
  40
  41 void
  42 RemoveTracksCmd::redo()
  43 {
  44     m_tracks = The::playlistModel()->removeRowsCommand( m_position, m_numOfRows );
  45 }
  46
  47 void
  48 RemoveTracksCmd::undo()
  49 {
  50     The::playlistModel()->insertTracksCommand( m_position, m_tracks );
  51 }