AOO410/main/svtools/inc/svtools/table/gridtablerenderer.hxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 * 
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#ifndef SVTOOLS_INC_TABLE_GRIDTABLERENDERER_HXX
#define SVTOOLS_INC_TABLE_GRIDTABLERENDERER_HXX

#include <svtools/table/tablemodel.hxx>

#include <boost/scoped_ptr.hpp>

//........................................................................
namespace svt { namespace table
{
//........................................................................

    struct GridTableRenderer_Impl;

    //====================================================================
	//= GridTableRenderer
	//====================================================================
    /** a default implementation for the ->ITableRenderer interface

        This class is able to paint a table grid, table headers, and cell
        backgrounds according to the selected/active state of cells.
    */
    class GridTableRenderer : public ITableRenderer
    {
    private:
        ::boost::scoped_ptr< GridTableRenderer_Impl >   m_pImpl;

    public:
        /** creates a table renderer associated with the given model
            
            @param _rModel
                the model which should be rendered. The caller is responsible
                for lifetime control, that is, the model instance must live
                at least as long as the renderer instance lives
        */
        GridTableRenderer( ITableModel& _rModel );
        ~GridTableRenderer();

        /** returns the index of the row currently being painted

            According to the ->ITableRenderer interface, one call is made
            to the renderer with a row to prepare (->PrepareRow()), and subsequent
            calls do not carry the row index anymore, but are relative to the
            row which has previously been prepared.

            This method returns the index of the last row which has been prepared
        */
        RowPos  getCurrentRow() const;

        /** determines whether or not to paint grid lines
        */
        bool    useGridLines() const;

        /** controls whether or not to paint grid lines
        */
        void    useGridLines( bool const i_use );

    public:
        // ITableRenderer overridables
        virtual void    PaintHeaderArea(
                            OutputDevice& _rDevice, const Rectangle& _rArea,
                            bool _bIsColHeaderArea, bool _bIsRowHeaderArea,
                            const StyleSettings& _rStyle );
        virtual void    PaintColumnHeader( ColPos _nCol, bool _bActive, bool _bSelected,
                            OutputDevice& _rDevice, const Rectangle& _rArea,
                            const StyleSettings& _rStyle );
        virtual void    PrepareRow( RowPos _nRow, bool i_hasControlFocus, bool _bSelected,
                            OutputDevice& _rDevice, const Rectangle& _rRowArea,
                            const StyleSettings& _rStyle );
        virtual void    PaintRowHeader(
                            bool i_hasControlFocus, bool _bSelected,
                            OutputDevice& _rDevice, const Rectangle& _rArea,
							const StyleSettings& _rStyle );
        virtual void    PaintCell( ColPos const i_col,
                            bool i_hasControlFocus, bool _bSelected,
                            OutputDevice& _rDevice, const Rectangle& _rArea,
			                const StyleSettings& _rStyle );
        virtual void    ShowCellCursor( Window& _rView, const Rectangle& _rCursorRect);
        virtual void    HideCellCursor( Window& _rView, const Rectangle& _rCursorRect);
        virtual bool    FitsIntoCell(
                            ::com::sun::star::uno::Any const & i_cellContent,
                            ColPos const i_colPos, RowPos const i_rowPos,
                            bool const i_active, bool const i_selected,
                            OutputDevice& i_targetDevice, Rectangle const & i_targetArea
                        ) const;
        virtual bool    GetFormattedCellString(
                            ::com::sun::star::uno::Any const & i_cellValue,
                            ColPos const i_colPos, RowPos const i_rowPos,
                            ::rtl::OUString & o_cellString
                        ) const;

    private:
        struct CellRenderContext;

        void    impl_paintCellContent(
                        CellRenderContext const & i_context
                   );
        void    impl_paintCellImage(
                        CellRenderContext const & i_context,
                        Image const & i_image
                   );
        void    impl_paintCellText(
                        CellRenderContext const & i_context,
                        ::rtl::OUString const & i_text
                   );
    };
//........................................................................
} } // namespace svt::table
//........................................................................

#endif // SVTOOLS_INC_TABLE_GRIDTABLERENDERER_HXX