1 files changed, 77 insertions, 0 deletions
diff --git a/src/libs/modelinglib/qmt/controller/undocontroller.cpp b/src/libs/modelinglib/qmt/controller/undocontroller.cpp
new file mode 100644
index 0000000000..c341d05ecb
--- /dev/null
+++ b/src/libs/modelinglib/qmt/controller/undocontroller.cpp
@@ -0,0 +1,77 @@
+/***************************************************************************
+**
+** Copyright (C) 2015 Jochen Becher
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company.  For licensing terms and
+** conditions see http://www.qt.io/terms-conditions.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "undocontroller.h"
+
+#include "undocommand.h"
+
+#include <QUndoStack>
+
+namespace qmt {
+
+UndoController::UndoController(QObject *parent) :
+    QObject(parent),
+    m_undoStack(new QUndoStack(this)),
+    m_doNotMerge(false)
+{
+}
+
+UndoController::~UndoController()
+{
+}
+
+void UndoController::push(UndoCommand *cmd)
+{
+    cmd->setDoNotMerge(m_doNotMerge);
+    m_doNotMerge = false;
+    m_undoStack->push(cmd);
+}
+
+void UndoController::beginMergeSequence(const QString &text)
+{
+    m_undoStack->beginMacro(text);
+}
+
+void UndoController::endMergeSequence()
+{
+    m_undoStack->endMacro();
+}
+
+void UndoController::reset()
+{
+    m_undoStack->clear();
+}
+
+void UndoController::doNotMerge()
+{
+    m_doNotMerge = true;
+}
+
+} // namespace qmt