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/* This file is part of the KDE project
Copyright (C) 2000, 2009 David Faure <faure@kde.org>
Copyright (C) 2002-2003 Alexander Kellett <lypanov@kde.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) version 3.
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. If not, see <http://www.gnu.org/licenses/>
*/
#include "commandhistory.h"
#include <kdebug.h>
#include "commands.h"
#include "toplevel.h"
#include <kactioncollection.h>
#include <QUndoCommand>
CmdHistory* CmdHistory::s_self = 0;
CmdHistory::CmdHistory(KActionCollection *actionCollection)
: m_commandHistory()
{
Q_ASSERT(!s_self);
s_self = this; // this is hacky
// TODO use QUndoView?
QAction* undoAction = m_commandHistory.createUndoAction(actionCollection);
connect(undoAction, SIGNAL(triggered()), this, SLOT(undo()));
QAction* redoAction = m_commandHistory.createRedoAction(actionCollection);
connect(redoAction, SIGNAL(triggered()), this, SLOT(redo()));
}
CmdHistory* CmdHistory::self()
{
Q_ASSERT(s_self);
return s_self;
}
void CmdHistory::undo()
{
const int idx = m_commandHistory.index();
const QUndoCommand* cmd = m_commandHistory.command(idx-1);
if (cmd) {
m_commandHistory.undo();
commandExecuted(cmd);
}
}
void CmdHistory::redo()
{
const int idx = m_commandHistory.index();
const QUndoCommand* cmd = m_commandHistory.command(idx);
if (cmd) {
m_commandHistory.redo();
commandExecuted(cmd);
}
}
void CmdHistory::commandExecuted(const QUndoCommand *k)
{
KEBApp::self()->notifyCommandExecuted();
const IKEBCommand * cmd = dynamic_cast<const IKEBCommand *>(k);
Q_ASSERT(cmd);
KBookmark bk = CurrentMgr::bookmarkAt(cmd->affectedBookmarks());
Q_ASSERT(bk.isGroup());
CurrentMgr::self()->notifyManagers(bk.toGroup());
}
void CmdHistory::notifyDocSaved()
{
m_commandHistory.setClean();
}
void CmdHistory::addCommand(QUndoCommand *cmd)
{
if (!cmd)
return;
m_commandHistory.push(cmd); // calls cmd->redo()
CmdHistory::commandExecuted(cmd);
}
void CmdHistory::addInFlightCommand(QUndoCommand *cmd)
{
if(!cmd)
return;
m_commandHistory.push(cmd); // TODO: HOW TO NOT CALL REDO?
}
void CmdHistory::clearHistory()
{
m_commandHistory.clear();
}
#include "commandhistory.moc"
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