kexisimpleprintingengine.h

/* This file is part of the KDE project
   Copyright (C) 2005-2007 Jaroslaw Staniek <js@iidea.pl>
 
   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This program 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this program; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */
 
#ifndef KEXISIMPLEPRINTINGENGINE_H
#define KEXISIMPLEPRINTINGENGINE_H
 
class KexiSimplePrintingSettings;
 
#include <kexidb/connection.h>
#include <kexidb/tableschema.h>
#include <kexidb/cursor.h>
#include <kexidb/utils.h>
#include <kexidb/queryschema.h>
#include <widget/tableview/kexitableviewdata.h>
#include <KoPageLayoutDia.h>
 
#include <tqpaintdevicemetrics.h>
#include <tqfontmetrics.h>
#include <tqfont.h>

class KexiSimplePrintingSettings
{
    public:
        KexiSimplePrintingSettings();
        ~KexiSimplePrintingSettings();
 
        static KexiSimplePrintingSettings load();
        void save();
 
        KoPageLayout pageLayout;
        KoUnit::Unit unit;
        TQFont pageTitleFont;
        bool addPageNumbers : 1;
        bool addDateAndTime : 1;
        bool addTableBorders : 1;
};

class KexiSimplePrintingEngine : public TQObject
{
    TQ_OBJECT
  
 
    public:
        KexiSimplePrintingEngine( const KexiSimplePrintingSettings& settings, TQObject* parent );
        ~KexiSimplePrintingEngine();
 
        bool init(KexiDB::Connection& conn, KexiDB::TableOrQuerySchema& tableOrQuery,
            const TQString& titleText, TQString& errorMessage);
 
        void setTitleText(const TQString& titleText);

        void calculatePagesCount(TQPainter& painter);
 
        bool done();
        void clear();
        const KexiSimplePrintingSettings* settings() const { return m_settings; }

        bool eof() const { return m_eof; }

        uint pagesCount() const { return m_pagesCount; }

        uint paintedPages() const { return m_dataOffsets.count(); }
 
    public slots:
        void paintPage(int pageNumber, TQPainter& painter, bool paint = true);
 
    protected:
        void paintRecord(TQPainter& painter, KexiTableItem *item, 
            int cellMargin, double &y, uint paintedRows, bool paint, bool printing);
 
        const KexiSimplePrintingSettings* m_settings;
 
//      TQPainter* m_painter;
        TQFont m_mainFont, m_headerFont;
        TQPaintDeviceMetrics m_pdm;
        double m_dpiX, m_dpiY;
        uint m_pageWidth, m_pageHeight;
        uint m_SCALE;
        //TQFontMetrics m_headerFM, m_mainFM;
        KexiDB::Cursor *m_cursor;
        KexiTableViewData *m_data;
//      KexiTableViewData::Iterator *m_dataIterator;
        TQPtrList<uint> m_dataOffsets;
        TQString m_headerText;
        TQString m_dateTimeText;
        uint m_dateTimeWidth;
        TQRect m_headerTextRect;
        int m_maxFieldNameWidth;
        int m_mainLineSpacing;
        int m_footerHeight;
        KexiDB::QueryColumnInfo::Vector m_fieldsExpanded;
        uint m_visibleFieldsCount;
        uint m_pagesCount;
        bool m_eof;
        bool m_paintInitialized; 
        double m_leftMargin;
        double m_rightMargin;
        double m_topMargin;
        double m_bottomMargin;
        double m_fx, m_fy;
};
 
#endif