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Diffstat (limited to 'svtools/inc/svtools/table/tablerenderer.hxx')
| -rw-r--r-- | svtools/inc/svtools/table/tablerenderer.hxx | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/svtools/inc/svtools/table/tablerenderer.hxx b/svtools/inc/svtools/table/tablerenderer.hxx new file mode 100644 index 000000000000..f81771dd22e6 --- /dev/null +++ b/svtools/inc/svtools/table/tablerenderer.hxx @@ -0,0 +1,274 @@ +/************************************************************************* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * +************************************************************************/ + +#ifndef SVTOOLS_INC_TABLE_TABLERENDERER_HXX +#define SVTOOLS_INC_TABLE_TABLERENDERER_HXX + +#include <svtools/table/tabletypes.hxx> + +#include <vcl/outdev.hxx> + +#include <boost/shared_ptr.hpp> + +//........................................................................ +namespace svt { namespace table +{ +//........................................................................ + + //==================================================================== + //= ITableRenderer + //==================================================================== + /** interface to implement by components rendering a ->TableControl + */ + class SAL_NO_VTABLE ITableRenderer + { + public: + /** paints a (part of) header area + + There are two header areas in a table control: + <ul><li>The row containing all column headers, i.e. <em>above</em> all rows containing the data</li> + <li>The column containing all row headers. i.e. <em>left of</em> all columns containing the data</li> + </ul> + + A header area is more than the union of the single column/row headers. + + First, there might be less columns than fit into the view - in this case, right + beside the right-most column, there's still room which belongs to the column header + area, but is not occupied by any particular column header.<br/> + An equivalent statement holds for the row header area, if there are less rows than + fit into the view. + + Second, if the table control has both a row header and a column header, + the intersection between those both belongs to both the column header area and the + row header area, but not to any particular column or row header. + + There are two flags specifying whether the to-be-painted area is part of the column + and/or row header area. + <ul><li>If both are <TRUE/>, the intersection of both areas is to be painted.</li> + <li>If ->_bIsColHeaderArea is <TRUE/> and ->_bIsRowHeaderArea is <FALSE/>, + then ->_rArea denotes the column header area <em>excluding</em> the + intersection between row and column header area.</li> + <li>Equivalently for ->_bIsColHeaderArea being <FALSE/> and ->_bIsRowHeaderArea + being <TRUE/></li> + </ul> + Note that it's not possible for both ->_bIsColHeaderArea and ->_bIsRowHeaderArea + to be <FALSE/> at the same time. + + @param _rDevice + the device to paint onto + @param _rArea + the area to paint into + @param _bIsColHeaderArea + <TRUE/> if and only if ->_rArea is part of the column header area. + @param _bIsRowHeaderArea + <TRUE/> if and only if ->_rArea is part of the row header area. + @param _rStyle + the style to be used for drawing + */ + virtual void PaintHeaderArea( + OutputDevice& _rDevice, const Rectangle& _rArea, + bool _bIsColHeaderArea, bool _bIsRowHeaderArea, + const StyleSettings& _rStyle ) = 0; + + /** paints the header for a given column + + @param _nCol + the index of the column to paint + @param _bActive + <TRUE/> if and only if the column whose column is to be painted + contains the active cell. + @param _bSelected + <TRUE/> if and only if the column whose column is to be painted + is selected currently. + @param _rDevice + denotes the device to paint onto + @param _rArea + the are into which the column header should be painted + @param _rStyle + the style to be used for drawing + */ + virtual void PaintColumnHeader( ColPos _nCol, bool _bActive, bool _bSelected, + OutputDevice& _rDevice, const Rectangle& _rArea, + const StyleSettings& _rStyle ) = 0; + + /** prepares a row for painting + + Painting a table means painting rows as necessary, in an increasing + order. The assumption is that retrieving data for two different rows + is (potentially) more expensive than retrieving data for two different + columns. Thus, the renderer will get the chance to "seek" to a certain + row, and then has to render all cells in this row, before another + row is going to be painted. + + @param _nRow + the row which is going to be painted. The renderer should + at least remember this row, since subsequent calls to + ->PaintRowHeader(), ->PaintCell(), and ->FinishRow() will + not pass this parameter again. + + However, the renderer is also allowed to render any + cell-independent content of this row. + + @param _bActive + <TRUE/> if and only if the row to be painted contains the + currently active cell. + @param _bSelected + <TRUE/> if and only if the row to be prepared is + selected currently. + @param _rDevice + denotes the device to paint onto + @param _rRowArea + the are into which the row should be painted. This excludes + the row header area, if applicable. + @param _rStyle + the style to be used for drawing + */ + virtual void PrepareRow( RowPos _nRow, bool _bActive, bool _bSelected, + OutputDevice& _rDevice, const Rectangle& _rRowArea, + const StyleSettings& _rStyle ) = 0; + + /** paints the header of a row + + The row to be painted is denoted by the most recent call to + ->PrepareRow. + + @param _bActive + <TRUE/> if and only if the row to be painted contains the + currently active cell. + <br/> + Note that this flag is equal to the respective flag in the + previous ->PrepareRow call, it's passed here for convinience + only. + @param _bSelected + <TRUE/> if and only if the row whose header cell is to be + painted is selected currently. + <br/> + Note that this flag is equal to the respective flag in the + previous ->PrepareRow call, it's passed here for convinience + only. + @param _rDevice + denotes the device to paint onto + @param _rArea + the are into which the row header should be painted + @param _rStyle + the style to be used for drawing + @param _rText + the title of the header row + */ + virtual void PaintRowHeader( bool _bActive, bool _bSelected, + OutputDevice& _rDevice, const Rectangle& _rArea, + const StyleSettings& _rStyle, rtl::OUString& _rText ) = 0; + + /** paints a certain cell + + The row to be painted is denoted by the most recent call to + ->PrepareRow. + + @param _bSelected + <TRUE/> if and only if the cell to be painted is + selected currently. This is the case if either + the row or the column of the cell is currently selected. + <br/> + Note that this flag is equal to the respective flag in the + previous ->PrepareRow call, it's passed here for convinience + only. + @param _bActive + <TRUE/> if the cell is currently active. + <br/> + Note that this flag is equal to the respective flag in the + previous ->PrepareRow call, it's passed here for convinience + only. + @param _rDevice + denotes the device to paint onto + @param _rArea + the are into which the cell should be painted + @param _rStyle + the style to be used for drawing + @param _pCellData + the content of the cell + */ + virtual void PaintCellImage( ColPos _nColumn, + bool _bActive, bool _bSelected, + OutputDevice& _rDevice, const Rectangle& _rArea, + const StyleSettings& _rStyle, Image* _pCellData ) = 0; + + /** paints a certain cell + + The row to be painted is denoted by the most recent call to + ->PrepareRow. + + @param _bSelected + <TRUE/> if and only if the cell to be painted is + selected currently. This is the case if either + the row or the column of the cell is currently selected. + <br/> + Note that this flag is equal to the respective flag in the + previous ->PrepareRow call, it's passed here for convinience + only. + @param _bActive + <TRUE/> if the cell is currently active. + <br/> + Note that this flag is equal to the respective flag in the + previous ->PrepareRow call, it's passed here for convinience + only. + @param _rDevice + denotes the device to paint onto + @param _rArea + the are into which the cell should be painted + @param _rStyle + the style to be used for drawing + @param _rText + the content of the cell + */ + virtual void PaintCellString( ColPos _nColumn, + bool _bActive, bool _bSelected, + OutputDevice& _rDevice, const Rectangle& _rArea, + const StyleSettings& _rStyle, rtl::OUString& _rText ) = 0; + + /** draws a cell cursor in the given rectangle + + The cell cursor is used to indicate the active/current cell + of a table control. + */ + virtual void ShowCellCursor( Window& _rView, const Rectangle& _rCursorRect) = 0; + + /** hides the cell cursor previously drawn into the given rectangle + + The cell cursor is used to indicate the active/current cell + of a table control. + */ + virtual void HideCellCursor( Window& _rView, const Rectangle& _rCursorRect) = 0; + + /// deletes the renderer instance + virtual ~ITableRenderer() { } + }; + typedef ::boost::shared_ptr< ITableRenderer > PTableRenderer; + +//........................................................................ +} } // namespace svt::table +//........................................................................ + +#endif // SVTOOLS_INC_TABLE_TABLERENDERER_HXX |