--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/shared/qtgradienteditor/qtgradientmanager.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,135 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtgradientmanager.h"
+#include <QtGui/QPixmap>
+#include <QtCore/QMetaEnum>
+
+QT_BEGIN_NAMESPACE
+
+QtGradientManager::QtGradientManager(QObject *parent)
+    : QObject(parent)
+{
+}
+
+QMap<QString, QGradient> QtGradientManager::gradients() const
+{
+    return m_idToGradient;
+}
+
+QString QtGradientManager::uniqueId(const QString &id) const
+{
+    if (!m_idToGradient.contains(id))
+        return id;
+
+    QString base = id;
+    while (base.count() > 0 && base.at(base.count() - 1).isDigit())
+        base = base.left(base.count() - 1);
+    QString newId = base;
+    int counter = 0;
+    while (m_idToGradient.contains(newId)) {
+        ++counter;
+        newId = base + QString::number(counter);
+    }
+    return newId;
+}
+
+QString QtGradientManager::addGradient(const QString &id, const QGradient &gradient)
+{
+    QString newId = uniqueId(id);
+
+    m_idToGradient[newId] = gradient;
+
+    emit gradientAdded(newId, gradient);
+
+    return newId;
+}
+
+void QtGradientManager::removeGradient(const QString &id)
+{
+    if (!m_idToGradient.contains(id))
+        return;
+
+    emit gradientRemoved(id);
+
+    m_idToGradient.remove(id);
+}
+
+void QtGradientManager::renameGradient(const QString &id, const QString &newId)
+{
+    if (!m_idToGradient.contains(id))
+        return;
+
+    if (newId == id)
+        return;
+
+    QString changedId = uniqueId(newId);
+    QGradient gradient = m_idToGradient.value(id);
+
+    emit gradientRenamed(id, changedId);
+
+    m_idToGradient.remove(id);
+    m_idToGradient[changedId] = gradient;
+}
+
+void QtGradientManager::changeGradient(const QString &id, const QGradient &newGradient)
+{
+    if (!m_idToGradient.contains(id))
+        return;
+
+    if (m_idToGradient.value(id) == newGradient)
+        return;
+
+    emit gradientChanged(id, newGradient);
+
+    m_idToGradient[id] = newGradient;
+}
+
+void QtGradientManager::clear()
+{
+    QMap<QString, QGradient> grads = gradients();
+    QMapIterator<QString, QGradient> itGrad(grads);
+    while (itGrad.hasNext()) {
+        removeGradient(itGrad.next().key());
+    }
+}
+
+QT_END_NAMESPACE