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path: root/chart2/source/view/inc/LegendEntryProvider.hxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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 ************************************************************************/
#ifndef CHART2_VIEW_LEGENDENTRYPROVIDER_HXX
#define CHART2_VIEW_LEGENDENTRYPROVIDER_HXX

#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/chart/ChartLegendExpansion.hpp>
#include <com/sun/star/chart2/XFormattedString.hpp>
#include <com/sun/star/drawing/XShape.hpp>
#include <com/sun/star/drawing/XShapes.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>

#include <vector>

namespace chart
{

enum LegendSymbolStyle
{
    /** A square box with border.
     */
    LegendSymbolStyle_BOX,

    /** A line like with a symbol.
     */
    LegendSymbolStyle_LINE,

    /** A bordered circle which has the same bounding-box as the
        <member>BOX</member>.
     */
    LegendSymbolStyle_CIRCLE
};

struct ViewLegendEntry
{
    /** The legend symbol that represents a data series or other
        information contained in the legend
     */
    ::com::sun::star::uno::Reference<
        ::com::sun::star::drawing::XShape > aSymbol;

    /** The descriptive text for a legend entry.
     */
    ::com::sun::star::uno::Sequence<
        ::com::sun::star::uno::Reference<
            ::com::sun::star::chart2::XFormattedString > >  aLabel;
};

class LegendEntryProvider
{
public:
    virtual ::com::sun::star::awt::Size getPreferredLegendKeyAspectRatio()=0;

    virtual std::vector< ViewLegendEntry > createLegendEntries(
            const ::com::sun::star::awt::Size& rEntryKeyAspectRatio,
            ::com::sun::star::chart::ChartLegendExpansion eLegendExpansion,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::beans::XPropertySet >& xTextProperties,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::drawing::XShapes >& xTarget,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::lang::XMultiServiceFactory >& xShapeFactory,
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::uno::XComponentContext >& xContext
                ) = 0;
};

} //  namespace chart

// CHART2_VIEW_LEGENDENTRYPROVIDER_HXX
#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */