1 files changed, 73 insertions, 0 deletions
diff --git a/sc/source/ui/undo/UndoThemeChange.cxx b/sc/source/ui/undo/UndoThemeChange.cxx
new file mode 100644
index 0000000000..a977055070
--- /dev/null
+++ b/sc/source/ui/undo/UndoThemeChange.cxx
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <undo/UndoThemeChange.hxx>
+#include <docmodel/theme/Theme.hxx>
+#include <svx/svdpage.hxx>
+#include <scresid.hxx>
+#include <globstr.hrc>
+
+namespace sc
+{
+UndoThemeChange::UndoThemeChange(ScDocShell& rDocShell,
+                                 std::shared_ptr<model::ColorSet> const& pOldColorSet,
+                                 std::shared_ptr<model::ColorSet> const& pNewColorSet)
+    : ScSimpleUndo(&rDocShell)
+    , mpOldColorSet(pOldColorSet)
+    , mpNewColorSet(pNewColorSet)
+{
+}
+
+UndoThemeChange::~UndoThemeChange() = default;
+
+namespace
+{
+std::shared_ptr<model::Theme> getTheme(ScDocShell& rDocShell)
+{
+    ScDrawLayer* pModel = rDocShell.GetDocument().GetDrawLayer();
+
+    auto pTheme = pModel->getTheme();
+    if (!pTheme)
+    {
+        pTheme = std::make_shared<model::Theme>("Office");
+        pModel->setTheme(pTheme);
+    }
+    return pTheme;
+}
+}
+
+void UndoThemeChange::Undo()
+{
+    BeginUndo();
+
+    auto pTheme = getTheme(*pDocShell);
+    pTheme->setColorSet(mpOldColorSet);
+
+    EndUndo();
+}
+
+void UndoThemeChange::Redo()
+{
+    BeginUndo();
+
+    auto pTheme = getTheme(*pDocShell);
+    pTheme->setColorSet(mpNewColorSet);
+
+    EndRedo();
+}
+
+void UndoThemeChange::Repeat(SfxRepeatTarget& /*rTarget*/) {}
+
+bool UndoThemeChange::CanRepeat(SfxRepeatTarget& /*rTarget*/) const { return false; }
+
+OUString UndoThemeChange::GetComment() const { return ScResId(STR_UNDO_THEME_CHANGE); }
+
+} // end sc namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */