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diff --git a/chart2/source/controller/main/FeatureCommandDispatchBase.hxx b/chart2/source/controller/main/FeatureCommandDispatchBase.hxx
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+++ b/chart2/source/controller/main/FeatureCommandDispatchBase.hxx
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+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#pragma once
+
+#include "CommandDispatch.hxx"
+
+#include <com/sun/star/frame/DispatchInformation.hpp>
+
+namespace chart
+{
+
+struct ControllerFeature: public css::frame::DispatchInformation
+{
+    sal_uInt16 nFeatureId;
+};
+
+typedef std::map< OUString,
+                    ControllerFeature > SupportedFeatures;
+
+struct FeatureState
+{
+    bool bEnabled;
+    css::uno::Any aState;
+
+    FeatureState() : bEnabled( false ) { }
+};
+
+/** This is a base class for CommandDispatch implementations with feature support.
+ */
+class FeatureCommandDispatchBase: public CommandDispatch
+{
+public:
+    explicit FeatureCommandDispatchBase( const css::uno::Reference< css::uno::XComponentContext >& rxContext );
+    virtual ~FeatureCommandDispatchBase() override;
+
+    // late initialisation, especially for adding as listener
+    virtual void initialize() override;
+
+    virtual bool isFeatureSupported( const OUString& rCommandURL );
+
+protected:
+    // XDispatch
+    virtual void SAL_CALL dispatch( const css::util::URL& URL,
+        const css::uno::Sequence< css::beans::PropertyValue >& Arguments ) override;
+
+    virtual void fireStatusEvent( const OUString& rURL,
+        const css::uno::Reference< css::frame::XStatusListener >& xSingleListener ) override;
+
+    // state of a feature
+    virtual FeatureState getState( const OUString& rCommand ) = 0;
+
+    // execute a feature
+    virtual void execute( const OUString& rCommand, const css::uno::Sequence< css::beans::PropertyValue>& rArgs ) = 0;
+
+    // all the features which should be handled by this class
+    virtual void describeSupportedFeatures() = 0;
+
+    /** describes a feature supported by the controller
+
+        Must not be called outside <member>describeSupportedFeatures</member>.
+
+        @param pAsciiCommandURL
+            the URL of the feature command
+        @param nId
+            the id of the feature. Later references to this feature usually happen by id, not by
+            URL.
+        @param nGroup
+            the command group of the feature. This is important for configuring the controller UI
+            by the user, see also <type scope="css::frame">CommandGroup</type>.
+    */
+    void implDescribeSupportedFeature( const char* pAsciiCommandURL, sal_uInt16 nId,
+        sal_Int16 nGroup );
+
+    mutable SupportedFeatures m_aSupportedFeatures;
+
+    sal_uInt16 m_nFeatureId;
+};
+
+} //  namespace chart
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */