SelectionHelper.hxx

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#pragma once
 
#include "DrawViewWrapper.hxx"
#include <ObjectIdentifier.hxx>
 
class SdrObject;
 
namespace com::sun::star::drawing { class XShape; }
 
namespace chart
{
 
class Selection
{
public: //methods
    bool hasSelection() const;
 
    OUString const & getSelectedCID() const;
    css::uno::Reference< css::drawing::XShape > const & getSelectedAdditionalShape() const;
    const ObjectIdentifier& getSelectedOID() const { return m_aSelectedOID;}
 
    bool isResizeableObjectSelected() const;
    bool isRotateableObjectSelected( const rtl::Reference<::chart::ChartModel>& xChartModel ) const;
    bool isDragableObjectSelected() const;
 
    bool isAdditionalShapeSelected() const;
 
    //returns true if selection has changed
    bool setSelection( const OUString& rCID );
    bool setSelection( const css::uno::Reference< css::drawing::XShape >& xShape );
 
    void clearSelection();
 
    //returns true if the selection has changed
    bool maybeSwitchSelectionAfterSingleClickWasEnsured();
    void resetPossibleSelectionAfterSingleClickWasEnsured();
 
    void remindSelectionBeforeMouseDown();
    bool isSelectionDifferentFromBeforeMouseDown() const;
 
    void adaptSelectionToNewPos( const Point& rMousePos, DrawViewWrapper const * pDrawViewWrapper
                                       , bool bIsRightMouse, bool bWaitingForDoubleClick );
 
    void applySelection( DrawViewWrapper* pDrawViewWrapper );
 
private: //member
    //the selection could be given by a CID or by a shape
    //if m_aSelectedObjectCID is not empty this indicates the selection
    //the content of m_xSelectedShape is ignored in that case
    //the strings are used for autogenerated chart specific objects
    //the shape reference is used for additional shapes
    ObjectIdentifier    m_aSelectedOID; //only single object selection so far
    ObjectIdentifier    m_aSelectedOID_beforeMouseDown;
    ObjectIdentifier    m_aSelectedOID_selectOnlyIfNoDoubleClickIsFollowing;
};
 
class SelectionHelper final : public MarkHandleProvider
{
public:
    static bool             findNamedParent( SdrObject*& pInOutObject
                                , OUString& rOutName
                                , bool bGivenObjectMayBeResult );
    static bool             findNamedParent( SdrObject*& pInOutObject
                                , ObjectIdentifier& rOutObject
                                , bool bGivenObjectMayBeResult );
    static SdrObject*       getMarkHandlesObject( SdrObject* pObj );
    static E3dScene*        getSceneToRotate( SdrObject* pObj );
    static bool             isDragableObjectHitTwice( const Point& rMPos
                                , const OUString& rNameOfSelectedObject
                                , const DrawViewWrapper& rDrawViewWrapper );
 
    static OUString getHitObjectCID(
        const Point& rMPos,
        DrawViewWrapper const & rDrawViewWrapper,
        bool bGetDiagramInsteadOf_Wall=false );
 
    static bool isRotateableObject( std::u16string_view rCID
                    , const rtl::Reference<::chart::ChartModel>& xChartModel );
 
    explicit SelectionHelper( SdrObject* pSelectedObj );
    virtual ~SelectionHelper();
 
    //MarkHandleProvider:
    virtual bool getMarkHandles( SdrHdlList& rHdlList ) override;
    virtual bool getFrameDragSingles() override;
 
    SdrObject*   getObjectToMark();//sets also internally the mark object
    //-> getMarkHandles will behave different if this method has found a Mark Object different from m_pSelectedObj
 
private:
    SdrObject*      m_pSelectedObj;//hit and logically selected object
    SdrObject*      m_pMarkObj;//object that is marked instead to have more pretty handles
};
 
} //namespace chart
 
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