chart2/source/view/inc/LegendEntryProvider.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  19 #ifndef INCLUDED_CHART2_SOURCE_VIEW_INC_LEGENDENTRYPROVIDER_HXX
  20 #define INCLUDED_CHART2_SOURCE_VIEW_INC_LEGENDENTRYPROVIDER_HXX
  21
  22 #include <com/sun/star/beans/XPropertySet.hpp>
  23 #include <com/sun/star/chart/ChartLegendExpansion.hpp>
  24 #include <com/sun/star/chart2/XFormattedString2.hpp>
  25 #include <com/sun/star/drawing/XShape.hpp>
  26 #include <com/sun/star/drawing/XShapes.hpp>
  27 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  28 #include <com/sun/star/uno/XComponentContext.hpp>
  29
  30 #include <vector>
  31
  32 namespace chart
  33 {
  34
  35 enum LegendSymbolStyle
  36 {
  37     /** A square box with border.
  38      */
  39     LegendSymbolStyle_BOX,
  40
  41     /** A line like with a symbol.
  42      */
  43     LegendSymbolStyle_LINE,
  44
  45     /** A bordered circle which has the same bounding-box as the
  46         <member>BOX</member>.
  47      */
  48     LegendSymbolStyle_CIRCLE
  49 };
  50
  51 struct ViewLegendEntry
  52 {
  53     /** The legend symbol that represents a data series or other
  54         information contained in the legend
  55      */
  56     css::uno::Reference< css::drawing::XShape > aSymbol;
  57
  58     /** The descriptive text for a legend entry.
  59      */
  60     css::uno::Sequence<
  61         css::uno::Reference< css::chart2::XFormattedString2 > >  aLabel;
  62 };
  63
  64 class LegendEntryProvider
  65 {
  66 public:
  67     virtual css::awt::Size getPreferredLegendKeyAspectRatio()=0;
  68
  69     virtual std::vector< ViewLegendEntry > createLegendEntries(
  70             const css::awt::Size& rEntryKeyAspectRatio,
  71             css::chart::ChartLegendExpansion eLegendExpansion,
  72             const css::uno::Reference< css::beans::XPropertySet >& xTextProperties,
  73             const css::uno::Reference< css::drawing::XShapes >& xTarget,
  74             const css::uno::Reference< css::lang::XMultiServiceFactory >& xShapeFactory,
  75             const css::uno::Reference< css::uno::XComponentContext >& xContext
  76                 ) = 0;
  77
  78 protected:
  79     ~LegendEntryProvider() {}
  80 };
  81
  82 } //  namespace chart
  83
  84 // INCLUDED_CHART2_SOURCE_VIEW_INC_LEGENDENTRYPROVIDER_HXX
  85 #endif
  86
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */