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/****************************************************************************************/
/* */
/* 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. */
/* */
/* 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; (See "COPYING"). If not, If not, see <http://www.gnu.org/licenses/>. */
/* */
/*--------------------------------------------------------------------------------------*/
/* */
/* Copyright Joerg Anders, TU Chemnitz, Fakultaet fuer Informatik, GERMANY */
/* ja@informatik.tu-chemnitz.de */
/* */
/* */
/****************************************************************************************/
#include "ereasechordorrestcommand.h"
#include "voice.h"
#include "chordorrest.h"
#include "mainwindow.h"
#include "resource.h"
NedEreaseChordOrRestCommand::NedEreaseChordOrRestCommand(NedVoice *voice, int pos) :
m_voice(voice), m_pos(pos) {
GList *lptr;
lptr = g_list_nth(m_voice->m_chord_or_rests, m_pos); // friend !!
if (lptr == NULL) {
NedResource::Abort("NedEreaseChordOrRestCommand(1)");
}
m_chord_or_rest = ((NedChordOrRest *) lptr->data);
}
NedEreaseChordOrRestCommand::NedEreaseChordOrRestCommand(NedChordOrRest *chord) : //grace note
m_chord_or_rest(chord) {
m_voice = chord->getVoice();
if ((m_pos = g_list_index(m_voice->m_chord_or_rests, chord)) < 0) { // friend !!
NedResource::Abort("NedEreaseChordOrRestCommand(2)");
}
}
void NedEreaseChordOrRestCommand::execute(bool adjust /* = false */) {
#ifdef EXECUTE_DEBUG
printf("\tNedEreaseChordOrRestCommand::execute\n");
#endif
GList *lptr = g_list_nth(m_voice->m_chord_or_rests, m_pos); // friend !!
if (lptr == NULL) {
NedResource::Abort("NedEreaseChordOrRestCommand::execute");
}
m_voice->m_chord_or_rests = g_list_delete_link(m_voice->m_chord_or_rests, lptr); // friend !!
if (adjust) {
m_chord_or_rest->getMainWindow()->setVisible(m_chord_or_rest);
}
}
void NedEreaseChordOrRestCommand::unexecute(bool adjust /* = false */) {
#ifdef UNEXECUTE_DEBUG
printf("\tNedEreaseChordOrRestCommand::unexecute\n");
#endif
if (m_pos < 0) {
m_voice->m_chord_or_rests = g_list_append(m_voice->m_chord_or_rests, m_chord_or_rest); // friend !!
}
else {
m_voice->m_chord_or_rests = g_list_insert(m_voice->m_chord_or_rests, m_chord_or_rest, m_pos); // friend !!
}
if (adjust) {
m_chord_or_rest->getMainWindow()->setVisible(m_chord_or_rest);
}
}
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