1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  *
9  * This file incorporates work covered by the following license notice:
10  *
11  *   Licensed to the Apache Software Foundation (ASF) under one or more
12  *   contributor license agreements. See the NOTICE file distributed
13  *   with this work for additional information regarding copyright
14  *   ownership. The ASF licenses this file to you under the Apache
15  *   License, Version 2.0 (the "License"); you may not use this file
16  *   except in compliance with the License. You may obtain a copy of
17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 #pragma once
20 
21 #include <com/sun/star/uno/Reference.hxx>
22 #include "charttoolsdllapi.hxx"
23 
24 namespace chart { class ChartModel; }
25 namespace com::sun::star::chart2 { class XDiagram; }
26 namespace com::sun::star::chart2 { class XLegend; }
27 namespace com::sun::star::uno { class XComponentContext; }
28 
29 namespace chart
30 {
31 
32 class OOO_DLLPUBLIC_CHARTTOOLS LegendHelper
33 {
34 public:
35     static css::uno::Reference< css::chart2::XLegend >
36         showLegend( ChartModel& rModel
37                   , const css::uno::Reference< css::uno::XComponentContext >& xContext );
38 
39     static  void hideLegend( ChartModel& rModel );
40 
41     static css::uno::Reference< css::chart2::XLegend >
42         getLegend( ChartModel& rModel
43                  , const css::uno::Reference< css::uno::XComponentContext >& xContext = nullptr
44                  , bool bCreate = false );
45 
46     /** returns <FALSE/>, if either there is no legend at the diagram, or there
47         is a legend which has a "Show" property of value <FALSE/>. Otherwise,
48         <TRUE/> is returned.
49      */
50     static bool hasLegend( const css::uno::Reference< css::chart2::XDiagram > & xDiagram );
51 };
52 
53 } //namespace chart
54 
55 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
56