ScrollHelper.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_REPORTDESIGN_SOURCE_UI_INC_SCROLLHELPER_HXX
#define INCLUDED_REPORTDESIGN_SOURCE_UI_INC_SCROLLHELPER_HXX

#include <vcl/scrbar.hxx>
#include <com/sun/star/report/XSection.hpp>
#include <comphelper/propmultiplex.hxx>
#include "ReportDefines.hxx"
#include <cppuhelper/basemutex.hxx>
#include <rtl/ref.hxx>
#include "MarkedSection.hxx"
#include "ReportWindow.hxx"

namespace rptui
{
    class ODesignView;
    class OReportWindow;
    class OSectionView;

    typedef vcl::Window OScrollWindowHelper_BASE;
    class OScrollWindowHelper :     public ::cppu::BaseMutex
                                ,   public OScrollWindowHelper_BASE/*TabPage*/
                                ,   public ::comphelper::OPropertyChangeListener
                                ,   public IMarkedSection
    {
    private:
        VclPtr<ScrollBar>           m_aHScroll;
        VclPtr<ScrollBar>           m_aVScroll;
        VclPtr<ScrollBarBox>        m_aCornerWin;       // window in the bottom right corner
        Size                        m_aTotalPixelSize;
        VclPtr<ODesignView>         m_pParent;
        VclPtr<OReportWindow>       m_aReportWindow;
        ::rtl::Reference<comphelper::OPropertyChangeMultiplexer >
                                    m_pReportDefinitionMultiPlexer; // listener for property changes

        DECL_LINK( ScrollHdl, ScrollBar*, void);
        Size ResizeScrollBars();
        void ImplInitSettings();
        void impl_initScrollBar( ScrollBar& _rScrollBar ) const;

        OScrollWindowHelper(OScrollWindowHelper const &) = delete;
        void operator =(OScrollWindowHelper const &) = delete;
    protected:
        virtual void DataChanged( const DataChangedEvent& rDCEvt ) override;
        // window
        virtual void            Resize() override;
        virtual bool            EventNotify( NotifyEvent& rNEvt ) override;
        // OPropertyChangeListener
        virtual void            _propertyChanged(const css::beans::PropertyChangeEvent& _rEvent) override;
    public:
        OScrollWindowHelper( ODesignView* _pReportDesignView);
        virtual ~OScrollWindowHelper() override;
        virtual void dispose() override;

        void                    initialize();

        Point            getThumbPos() const { return Point(m_aHScroll->GetThumbPos(),m_aVScroll->GetThumbPos())/*m_aScrollOffset*/; }
        void                    setTotalSize(sal_Int32 _nWidth, sal_Int32 _nHeight);
        const Size&             getTotalSize() const { return m_aTotalPixelSize; }
        ScrollBar&       GetHScroll() { return *m_aHScroll; }
        ScrollBar&       GetVScroll() { return *m_aVScroll; }

        // forwards
        void                    SetMode( DlgEdMode _eMode );
        void                    SetInsertObj(SdrObjKind eObj, const OUString& _sShapeType);
        OUString const &        GetInsertObjString() const;
        void                    setGridSnap(bool bOn);
        void                    setDragStripes(bool bOn);
        void Copy();

        bool IsPasteAllowed() const;

        void Paste();

        void Delete();

        void SelectAll(const SdrObjKind _nObjectType);

        bool HasSelection() const;

        void                    removeSection(sal_uInt16 _nPosition);

        void                    addSection(const css::uno::Reference< css::report::XSection >& _xSection
                                    ,const OUString& _sColorEntry
                                    ,sal_uInt16 _nPosition);

        sal_uInt16                  getSectionCount() const;

        void                    toggleGrid(bool _bVisible);

        void                    unmarkAllObjects();

        void                    showRuler(bool _bShow);

        sal_Int32               getMaxMarkerWidth() const;

        bool                    handleKeyEvent(const KeyEvent& _rEvent);

        void                    setMarked(OSectionView const * _pSectionView, bool _bMark);
        void                    setMarked(const css::uno::Reference< css::report::XSection>& _xSection, bool _bMark);
        void                    setMarked(const css::uno::Sequence< css::uno::Reference< css::report::XReportComponent> >& _xShape, bool _bMark);

        // IMarkedSection
        OSectionWindow* getMarkedSection(NearSectionAccess nsa = CURRENT) const override;
        OSectionWindow* getSectionWindow(const css::uno::Reference< css::report::XSection>& _xSection) const;
        virtual void markSection(const sal_uInt16 _nPos) override;


        void fillCollapsedSections(::std::vector<sal_uInt16>& _rCollapsedPositions) const;

        void collapseSections(const css::uno::Sequence< css::beans::PropertyValue>& _aCollapsedSections);

        void alignMarkedObjects(ControlModification _nControlModification, bool _bAlignAtSection);

        sal_uInt32 getMarkedObjectCount() const;

        void zoom(const Fraction& _aZoom);

        void fillControlModelSelection(::std::vector< css::uno::Reference< css::uno::XInterface > >& _rSelection) const;

        sal_uInt16 getZoomFactor(SvxZoomType _eType) const;
    };
}
#endif // INCLUDED_REPORTDESIGN_SOURCE_UI_INC_SCROLLHELPER_HXX

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