Avoid potential negative array index access to cached text.
[LibreOffice.git] / chart2 / source / inc / LegendHelper.hxx
blobf2bf2e55fefb862c18539d36d28e287cbe60f46d
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
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/.
9 * This file incorporates work covered by the following license notice:
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 .
19 #pragma once
21 #include <com/sun/star/uno/Reference.hxx>
22 #include <rtl/ref.hxx>
23 #include "charttoolsdllapi.hxx"
25 namespace chart { class ChartModel; }
26 namespace com::sun::star::chart2 { class XDiagram; }
27 namespace com::sun::star::chart2 { class XLegend; }
28 namespace com::sun::star::uno { class XComponentContext; }
30 namespace chart
32 class Diagram;
33 class Legend;
35 class OOO_DLLPUBLIC_CHARTTOOLS LegendHelper
37 public:
38 static rtl::Reference< ::chart::Legend >
39 showLegend( ChartModel& rModel
40 , const css::uno::Reference< css::uno::XComponentContext >& xContext );
42 static void hideLegend( ChartModel& rModel );
44 static rtl::Reference< ::chart::Legend >
45 getLegend( ChartModel& rModel
46 , const css::uno::Reference< css::uno::XComponentContext >& xContext = nullptr
47 , bool bCreate = false );
49 /** returns <FALSE/>, if either there is no legend at the diagram, or there
50 is a legend which has a "Show" property of value <FALSE/>. Otherwise,
51 <TRUE/> is returned.
53 static bool hasLegend( const rtl::Reference< ::chart::Diagram > & xDiagram );
56 } //namespace chart
58 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */