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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 "removelastpagecommand.h"
#include "page.h"
#include "mainwindow.h"
#include "resource.h"
NedRemoveLastPageCommand::NedRemoveLastPageCommand(NedMainWindow *main_window) :
m_main_window(main_window) {}
void NedRemoveLastPageCommand::execute(bool adjust /* = false */) {
#ifdef EXECUTE_DEBUG
printf("\tNedRemoveLastPageCommand::execute\n");
#endif
GList *lptr;
if ((lptr = g_list_last(m_main_window->m_pages)) == NULL) { // friend !!
NedResource::Abort("NedAppendNewPageCommand::execute");
}
m_removed_page = (NedPage *) lptr->data;
m_main_window->m_pages = g_list_delete_link(m_main_window->m_pages, lptr);
m_main_window->setAndUpdateClefTypeAndKeySig();
m_main_window->updatePageCounter();
}
void NedRemoveLastPageCommand::unexecute(bool adjust /* = false */) {
#ifdef UNEXECUTE_DEBUG
printf("\tNedRemoveLastPageCommand::unexecute\n");
#endif
m_main_window->m_pages = g_list_append(m_main_window->m_pages, m_removed_page);
m_main_window->setAndUpdateClefTypeAndKeySig();
m_main_window->updatePageCounter();
}
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