1 files changed, 85 insertions, 0 deletions
diff --git a/src/plugins/qmldesigner/designercore/include/stylesheetmerger.h b/src/plugins/qmldesigner/designercore/include/stylesheetmerger.h
new file mode 100644
index 0000000000..8a4b3bec30
--- /dev/null
+++ b/src/plugins/qmldesigner/designercore/include/stylesheetmerger.h
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+#ifndef STYLESHEETMERGER_H
+#define STYLESHEETMERGER_H
+
+#include <QString>
+#include <QHash>
+#include <modelnode.h>
+
+namespace QmlDesigner {
+
+class AbstractView;
+
+struct ReparentInfo {
+    QString generatedId;
+    QString templateId;
+    QString templateParentId;
+    int parentIndex;
+    bool alreadyReparented;
+};
+
+
+class StylesheetMerger {
+public:
+    StylesheetMerger(AbstractView*, AbstractView*);
+    void merge();
+private:
+    void preprocessStyleSheet();
+    bool idExistsInBothModels(const QString& id);
+    void replaceNode(ModelNode&, ModelNode&);
+    void replaceRootNode(ModelNode& templateRootNode);
+    void applyStyleProperties(ModelNode &templateNode, const ModelNode &styleNode);
+    void adjustNodeIndex(ModelNode &node);
+    void setupIdRenamingHash();
+    ModelNode createReplacementNode(const ModelNode &styleNode, ModelNode &modelNode);
+    void syncNodeProperties(ModelNode &outputNode, const ModelNode &inputNode, bool skipDuplicates = false);
+    void syncNodeListProperties(ModelNode &outputNode, const ModelNode &inputNode, bool skipDuplicates = false);
+    void syncId(ModelNode &outputNode, ModelNode &inputNode);
+    void syncBindingProperties(ModelNode &outputNode, const ModelNode &inputNode);
+    void syncAuxiliaryProperties(ModelNode &outputNode, const ModelNode &inputNode);
+    void syncVariantProperties(ModelNode &outputNode, const ModelNode &inputNode);
+    void parseTemplateOptions();
+
+    AbstractView *m_templateView;
+    AbstractView *m_styleView;
+    QHash<QString, ReparentInfo> m_reparentInfoHash;
+    QHash<QString, QString> m_idReplacementHash;
+
+    struct Options {
+        bool preserveTextAlignment;
+        bool useStyleSheetPositions;
+        Options()
+            : preserveTextAlignment(false)
+            , useStyleSheetPositions(false)
+        {}
+    };
+
+    Options m_options;
+
+};
+
+}
+#endif // STYLESHEETMERGER_H