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/*
This file is part of KMail
Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This software 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 library; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "kmundostack.h"
KMUndoStack::KMUndoStack(int size)
: QObject(0, "undostack"), mSize(size)
{
mStack.setAutoDelete(true);
}
void KMUndoStack::clear()
{
mStack.clear();
}
void
KMUndoStack::pushAction(ulong serNum, KMFolder *folder, KMFolder *destFolder)
{
KMUndoInfo *info = new KMUndoInfo;
info->serNum = serNum;
info->folder = folder;
info->destFolder = destFolder;
if ((int) mStack.count() == mSize)
mStack.removeLast();
mStack.prepend(info);
emit undoStackChanged();
}
void
KMUndoStack::msgDestroyed( KMMsgBase* /*msg*/)
{
/*
for(KMUndoInfo *info = mStack.first(); info; )
{
if (info->msgIdMD5 == msg->msgIdMD5())
{
mStack.removeRef( info );
info = mStack.current();
}
else
info = mStack.next();
}
*/
}
void
KMUndoStack::folderDestroyed( KMFolder *folder)
{
for(KMUndoInfo *info = mStack.first(); info; )
{
if ((info->folder == folder) ||
(info->destFolder == folder))
{
mStack.removeRef( info );
info = mStack.current();
}
else
info = mStack.next();
}
emit undoStackChanged();
}
bool
KMUndoStack::popAction(ulong &serNum, KMFolder *&folder, KMFolder *&destFolder)
{
if (mStack.count() == 0) return false;
KMUndoInfo *info = mStack.take(0);
serNum = info->serNum;
folder = info->folder;
destFolder = info->destFolder;
delete info;
emit undoStackChanged();
return true;
}
#include "kmundostack.moc"