oox/source/drawingml/diagram/diagramhelper.hxx

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  19
  20 #ifndef INCLUDED_OOX_DRAWINGML_DIAGRAM_DIAGRAMHELPER_HXX
  21 #define INCLUDED_OOX_DRAWINGML_DIAGRAM_DIAGRAMHELPER_HXX
  22
  23 #include <rtl/ustring.hxx>
  24 #include <oox/drawingml/theme.hxx>
  25 #include <oox/shape/ShapeFilterBase.hxx>
  26 #include <svx/svdogrp.hxx>
  27 #include <svx/diagram/IDiagramHelper.hxx>
  28
  29 namespace svx { namespace diagram {
  30     class DiagramDataState;
  31 }}
  32
  33 namespace oox::drawingml {
  34
  35 class Diagram;
  36
  37 // Advanced DiagramHelper
  38 //
  39 // This helper tries to hold all necessary data to re-layout
  40 // all XShapes/SdrObjects of an already imported Diagram. The
  41 // Diagram holds the SmarArt model data before it gets layouted,
  42 // while Theme holds the oox Fill/Line/Style definitions to
  43 // apply.
  44 // Re-Layouting (re-creating) is rather complex, for detailed
  45 // information see ::reLayout implementation.
  46 // This helper class may/should be extended to:
  47 // - deliver representative data from the Diagram-Model
  48 // - modify it eventually
  49 // - im/export Diagram model to other representations
  50 class AdvancedDiagramHelper final : public svx::diagram::IDiagramHelper
  51 {
  52     const std::shared_ptr< Diagram >            mpDiagramPtr;
  53     std::shared_ptr<::oox::drawingml::Theme>    mpThemePtr;
  54
  55     css::awt::Size maImportSize;
  56
  57     bool hasDiagramData() const;
  58
  59 public:
  60     AdvancedDiagramHelper(
  61         std::shared_ptr< Diagram > xDiagramPtr,
  62         std::shared_ptr<::oox::drawingml::Theme> xTheme,
  63         css::awt::Size aImportSize);
  64     virtual ~AdvancedDiagramHelper();
  65
  66     // re-create XShapes
  67     virtual void reLayout(SdrObjGroup& rTarget) override;
  68
  69     // get text representation of data tree
  70     virtual OUString getString() const override;
  71
  72     // get children of provided data node
  73     // use empty string for top-level nodes
  74     // returns vector of (id, text)
  75     virtual std::vector<std::pair<OUString, OUString>> getChildren(const OUString& rParentId) const override;
  76
  77     // add/remove new top-level node to data model, returns its id
  78     virtual OUString addNode(const OUString& rText) override;
  79     virtual bool removeNode(const OUString& rNodeId) override;
  80
  81     // Undo/Redo helpers to extract/restore Diagram-defining data
  82     virtual std::shared_ptr< svx::diagram::DiagramDataState > extractDiagramDataState() const override;
  83     virtual void applyDiagramDataState(const std::shared_ptr< svx::diagram::DiagramDataState >& rState) override;
  84
  85     void doAnchor(SdrObjGroup& rTarget, ::oox::drawingml::Shape& rRootShape);
  86     const std::shared_ptr< ::oox::drawingml::Theme >& getOrCreateThemePtr(
  87         rtl::Reference< oox::shape::ShapeFilterBase>& rxFilter ) const;
  88 };
  89
  90 }
  91
  92 #endif
  93
  94 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */