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/***************************************************************************
mreportengine.h - Kugar report engine
-------------------
begin : Sun Aug 15 1999
copyright : (C) 1999 by Mutiny Bay Software
email : info@mutinybaysoftware.com
copyright : (C) 2002 Alexander Dymo
email : cloudtemple@mksat.net
***************************************************************************/
#ifndef MREPORTENGINE_H
#define MREPORTENGINE_H
#include <qobject.h>
#include <qpicture.h>
#include <qpaintdevicemetrics.h>
#include <qsize.h>
#include <qmemarray.h>
#include <qdom.h>
#include <qguardedptr.h>
#include "mlineobject.h"
#include "mlabelobject.h"
#include "mspecialobject.h"
#include "mfieldobject.h"
#include "mreportsection.h"
#include "mreportdetail.h"
#include "mpagecollection.h"
/**Kugar report engine
*@author Mutiny Bay Software
*/
namespace Kugar
{
class MReportEngine : public QObject
{
Q_OBJECT
public:
enum PageOrientation { Portrait, Landscape };
enum PageSize {
A4, B5, Letter, Legal, Executive,
A0, A1, A2, A3, A5, A6, A7, A8, A9, B0, B1,
B10, B2, B3, B4, B6, B7, B8, B9, C5E, Comm10E,
DLE, Folio, Ledger, Tabloid, NPageSize
};
MReportEngine();
MReportEngine( const MReportEngine& mReportEngine );
MReportEngine operator=( const MReportEngine& mReportEngine );
virtual ~MReportEngine();
bool setReportData( const QString & );
bool setReportData( QIODevice * );
bool setReportData( const QDomDocument& );
bool setReportTemplate( const QString & );
bool setReportTemplate( QIODevice * );
int getRenderSteps()
{
return records.length() / 2;
}
MPageCollection* renderReport();
void addRef();
void removeRef();
public slots:
void slotCancelRendering();
signals:
void signalRenderStatus( int );
void preferedTemplate( const QString & );
protected:
void recalcDimensions();
void recalcAttribute( const QString& name, QDomNamedNodeMap attributes );
private:
MPageCollection *m_pageCollection;
bool m_needRegeneration;
/** Report data document */
QDomDocument rd;
/** Report template document */
QDomDocument rt;
/** Report painter */
QPainter p;
/** Report page size */
int pageSize;
/** Report page orientation */
int pageOrientation;
/** Report top margin */
int topMargin;
/** Report top margin */
int bottomMargin;
/** Report top margin */
int leftMargin;
/** Report top margin */
int rightMargin;
/** Report page width */
int pageWidth;
/** Report page height */
int pageHeight;
float widthDelta;
float heightDelta;
/** Report header */
MReportSection rHeader;
/** Page header */
MReportSection pHeader;
/** Detail headers */
QPtrList<MReportSection> dHeaders;
/** Detail sections */
QPtrList<MReportDetail> details;
/** Detail footers */
QPtrList<MReportSection> dFooters;
/** Page footer */
MReportSection pFooter;
/** Report footer */
MReportSection rFooter;
/** Stores the combined heights of the detail levels */
int heightOfDetails;
/** Current y position on page */
int currY;
/** Current height of page excluding margins */
int currHeight;
/** Current page number */
int currPage;
/** Current report date */
QDate currDate;
/** Grand total array */
QPtrList<QMemArray<double> > grandTotal;
/** Cancel rendering flag */
bool cancelRender;
int m_refCount;
private:
// The set of records being rendered.
QDomNodeList records;
/** Clears report formatting */
void clearFormatting();
/** Starts a new page of the report */
void startPage( MPageCollection* pages );
/** Finishes the current page of the report */
void endPage( MPageCollection* pages );
/** Finishes the current page and adds a new page */
void newPage( MPageCollection* pages );
/** Draws the report header object to the current page */
void drawReportHeader( MPageCollection* pages );
/** Draws the page header to the current page */
void drawPageHeader( MPageCollection* pages );
/** Draws the page footer to the current page */
void drawPageFooter( MPageCollection* pages );
/** Draws the report footer to the current page */
void drawReportFooter( MPageCollection* pages );
/** Gets the metrics for the selected page size */
QSize getPageMetrics( int size, int orientation );
void initData();
void initTemplate();
/** Sets the main layout attributes for the report */
void setReportAttributes( QDomNode* report );
int scaleDeltaWidth( int width ) const;
int scaleDeltaHeight( int width ) const;
/** Sets the layout attributes for the given report section */
void setSectionAttributes( MReportSection* section, QDomNode* report );
/** Sets the layout attributes for the detail headers and footers */
void setDetMiscAttributes( MReportSection* section, QDomNode* report );
/** Sets the layout attributes for the detail section */
void setDetailAttributes( QDomNode* report );
/** Sets a line's layout attributes */
void setLineAttributes( MLineObject* line, QDomNamedNodeMap* attr );
/** Sets a label's layout attributes */
void setLabelAttributes( MLabelObject* label, QDomNamedNodeMap* attr );
/** Sets a special field's layout attributes */
void setSpecialAttributes( MSpecialObject* field, QDomNamedNodeMap* attr );
/** Sets a field's layout attributes */
void setFieldAttributes( MFieldObject* field, QDomNamedNodeMap* attr );
/** Sets a calculated field's layout attributes */
void setCalculatedFieldAttributes( MCalcObject* field, QDomNamedNodeMap* attr );
/** Copies member data from one object to another.
* Used by the copy constructor and assignment operator
*/
void copy( const MReportEngine* mReportEngine );
/** Finds the detail header object, which is apropriate for the given level */
MReportSection *findDetailHeader( int level );
/** Finds the detail object, which is apropriate for the given level */
MReportDetail *findDetail( int level );
/** Finds the detail footer object, which is apropriate for the given level */
MReportSection *findDetailFooter( int level );
};
}
#endif
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