src/kugar/mreportviewer.h

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/***************************************************************************
             mreportviewer.h  -  Kugar QT report viewer widget
             -------------------
   begin     : Fri Aug 13 1999
   copyright : (C) 1999 by Mutiny Bay Software
   email     : info@mutinybaysoftware.com
   copyright : (C) 2002 Alexander Dymo
   email     : cloudtemple@mksat.net
   copyright : (C) 2002-2004 InfoSiAL S.L.
   email     : mail@infosial.com
***************************************************************************/

#ifndef MREPORTVIEWER_H
#define MREPORTVIEWER_H

#include <qapplication.h>
#include <qwidget.h>
#include <qscrollview.h>
#include <qpixmap.h>
#include <qpainter.h>
#include <qpaintdevicemetrics.h>
#include <qprogressdialog.h>
#include <qapplication.h>
#include <qmessagebox.h>
#include <qprinter.h>
#include <qprocess.h>
#include <qtimer.h>

#include "mreportengine.h"
#include "mpagecollection.h"
#include "mpagedisplay.h"

#define M_PROGRESS_DELAY 1000  // Number of ms to delay progress dialog display

#if defined(Q_OS_WIN32) || defined(Q_OS_MACX)
class PSPrinter;
#endif

class FLPosPrinter;

class FL_EXPORT MReportViewer: public QWidget
{

  Q_OBJECT

  Q_ENUMS(RenderReportFlags)

public:

  // Si cambias este Enum hazlo tambien en mreportengine.h
  enum RenderReportFlags {
    Append        = 0x00000001,
    Display       = 0x00000002,
    PageBreak     = 0x00000004,
    FillRecords   = 0x00000008
  };

  MReportViewer(QWidget *parent = 0, const char *name = 0);
  virtual ~ MReportViewer();

  bool setReportData(const QString &);
  bool setReportData(QIODevice *);
  bool setReportTemplate(const QString &);
  bool setReportTemplate(QIODevice *);
  bool renderReport(int initRow = 0, int initCol = 0,
                    bool append = false, bool display = true);
  bool renderReport(int initRow = 0, int initCol = 0,
                    uint flags = MReportViewer::Display);
  void clearReport();
  bool printReport();
  bool printReportToPS(const QString &);
  bool printReportToPDF(const QString &);

  QSize sizeHint() const;

  void setNumCopies(const int numCopies);
  void setPrintToPos(bool ptp);
  void setPrinterName(const QString &pName);

  void setResolution(int dpi);
  int resolution() const {
    return dpi_;
  }

  void setReportPages(MPageCollection *pgs);
  MPageCollection *reportPages();

public slots:

  void setReportEngine(MReportEngine * = 0);
  void slotFirstPage();
  void slotNextPage();
  void slotPrevPage();
  void slotLastPage();
  void slotZoomUp();
  void slotZoomDown();
  void slotUpdateDisplay();

signals:

  void preferedTemplate(const QString &);

private slots:

  void slotCancelPrinting();
  void slotRenderProgress(int);

protected:

  void paintEvent(QPaintEvent *event);
  void resizeEvent(QResizeEvent *event);

  bool printGhostReport();
  bool printGhostReportToPS(const QString &);
  bool printPosReport();

  QScrollView *scroller;
  MPageDisplay *display;
  MReportEngine *rptEngine;
  MPageCollection *report;
  QPrinter *printer;
  FLPosPrinter *posprinter;
#if defined(Q_OS_WIN32) || defined(Q_OS_MACX)
  PSPrinter *psprinter;
#endif
  QProgressDialog *progress;
  int totalSteps;
  int numCopies_;
  bool printToPos_;
  QString printerName_;
  int dpi_;
};

inline void MReportViewer::setNumCopies(const int numCopies)
{
  numCopies_ = numCopies;
}

inline void MReportViewer::setPrintToPos(bool ptp)
{
  printToPos_ = ptp;
}

inline void MReportViewer::setPrinterName(const QString &pName)
{
  printerName_ = pName;
}

inline void MReportViewer::setResolution(int dpi)
{
  dpi_ = dpi;
}

inline MPageCollection *MReportViewer::reportPages()
{
  return report;
}
#endif