CQExpressionMmlStackedWidget Class Reference

#include <CQExpressionMmlStackedWidget.h>

Inheritance diagram for CQExpressionMmlStackedWidget:

Collaboration diagram for CQExpressionMmlStackedWidget:

Public Slots
void	updateWidget ()

Signals
void	signalCheckValidity (bool)

Public Member Functions
	CQExpressionMmlStackedWidget (QWidget *parent=0)
QString	getText ()
void	setReadOnly (const bool &readOnly)
	~CQExpressionMmlStackedWidget ()

Protected Slots
void	slotGoExpressionWidget ()
void	slotGoMmlWidget ()

Protected Member Functions
void	init ()

Private Slots
void	slotSaveExpression ()

Private Member Functions
void	saveMML (const QString filename)
void	savePNG (const QString filename)
void	saveTeX (const QString filename)

Private Attributes
QString	MMLStr

Detailed Description

Definition at line 18 of file CQExpressionMmlStackedWidget.h.

Constructor & Destructor Documentation

CQExpressionMmlStackedWidget::CQExpressionMmlStackedWidget

(

QWidget *

parent = 0

)

Definition at line 42 of file CQExpressionMmlStackedWidget.cpp.

References CQIconResource::copasi, CQIconResource::edit, CQIconResource::fileExport, CQIconResource::icon(), init(), and CQIconResource::renderMathML.

  : QStackedWidget(parent)
{
  setupUi(this);

  mpBtnExpressionObject->setIcon(CQIconResource::icon(CQIconResource::copasi));
  mpBtnViewExpression->setIcon(CQIconResource::icon(CQIconResource::renderMathML));
  mpBtnEditExpression->setIcon(CQIconResource::icon(CQIconResource::edit));
  mpBtnSaveExpression->setIcon(CQIconResource::icon(CQIconResource::fileExport));

  mpMmlScrollView->setStyleSheet(QString(mpMmlScrollView->widget()->metaObject()->className()) + "{background-color:" + QColor(Qt::white).name() + ";}");

#ifdef WIN32
  // on windows there ought to be a border around the MML widget
  // otherwise it is difficult to distinguish the formula from the rest of the
  // dialog
  mpMmlScrollView->setFrameShape(QFrame::Panel);
  mpMmlScrollView->setFrameStyle(QFrame::Panel | QFrame::Plain);
#endif

  init();
}

CQExpressionMmlStackedWidget::~CQExpressionMmlStackedWidget

(

)

Definition at line 68 of file CQExpressionMmlStackedWidget.cpp.

{
  // no need to delete child widgets, Qt does it all for us
}

Member Function Documentation

QString CQExpressionMmlStackedWidget::getText

(

)

Definition at line 147 of file CQExpressionMmlStackedWidget.cpp.

{
  return mpExpressionWidget->toPlainText();
}

void CQExpressionMmlStackedWidget::init ( )

protected

Definition at line 152 of file CQExpressionMmlStackedWidget.cpp.

Referenced by CQExpressionMmlStackedWidget().

{
#ifdef DEBUG_UI
  qDebug() << "L" << __LINE__ << " on CQEMSW mpExpressionWidget->text() = " << mpExpressionWidget->text();
  qDebug() << "L" << __LINE__ << " on CQEMSW: activeWidget = " << currentIndex();
#endif

#ifndef HAVE_MML
  mpBtnViewExpression->hide();
#endif // not HAVE_MML
}

void CQExpressionMmlStackedWidget::saveMML ( const QString  filename )

private

Definition at line 222 of file CQExpressionMmlStackedWidget.cpp.

References CLocaleString::fromUtf8(), and TO_UTF8.

Referenced by slotSaveExpression().

{
  std::ofstream ofile;
  ofile.open(CLocaleString::fromUtf8(TO_UTF8(outfilename)).c_str(), std::ios::trunc);

  ofile << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" << std::endl;
  ofile << "<!DOCTYPE math PUBLIC \"-//W3C//DTD MathML 2.0//EN\" \"http://www.w3.org/Math/DTD/mathml2/mathml2.dtd\">" << std::endl;
  ofile << "<math xmlns=\"http://www.w3.org/1998/Math/MathML\">" << std::endl;

  mpExpressionWidget->writeMathML(ofile);

  ofile << "</math>" << std::endl;

  ofile.close();
}

void CQExpressionMmlStackedWidget::savePNG ( const QString  filename )

private

Definition at line 202 of file CQExpressionMmlStackedWidget.cpp.

References FROM_UTF8.

Referenced by slotSaveExpression().

{
  std::ostringstream mml;
  mpExpressionWidget->writeMathML(mml);
  QtMmlDocument doc;
  doc.setBaseFontPointSize(20);
  doc.setFontName(QtMmlWidget::NormalFont, qApp->font().family());
  doc.setContent(FROM_UTF8(mml.str()));

  const QSize &size = doc.size();
  QPixmap pixmap(size.width(), size.height());
  QPainter painter(&pixmap);
  painter.setRenderHint(QPainter::Antialiasing);
  painter.setRenderHint(QPainter::SmoothPixmapTransform);
  painter.setRenderHint(QPainter::HighQualityAntialiasing);
  painter.fillRect(0, 0, size.width(), size.height(), Qt::white);
  doc.paint(&painter, QPoint(0, 0));
  pixmap.save(outfilename, "PNG");
}

void CQExpressionMmlStackedWidget::saveTeX ( const QString  filename )

private

Definition at line 238 of file CQExpressionMmlStackedWidget.cpp.

References CMathMLToTeX::convert(), FROM_UTF8, CLocaleString::fromUtf8(), and TO_UTF8.

Referenced by slotSaveExpression().

{
  std::ostringstream mml;
  mpExpressionWidget->writeMathML(mml);

  QString latexStr(FROM_UTF8(mml.str()));

  CMathMLToTeX::convert(latexStr);

  std::ofstream ofile;
  ofile.open(CLocaleString::fromUtf8(TO_UTF8(outfilename)).c_str(), std::ios::trunc);

  ofile << TO_UTF8(latexStr);

  ofile.close();
}

void CQExpressionMmlStackedWidget::setReadOnly

(

const bool &

readOnly

)

Definition at line 139 of file CQExpressionMmlStackedWidget.cpp.

{
  if (readOnly)
    mpBtnEditExpression->hide();
  else
    mpBtnEditExpression->show();
}

void CQExpressionMmlStackedWidget::signalCheckValidity ( bool  )

signal

void CQExpressionMmlStackedWidget::slotGoExpressionWidget ( )

protectedslot

Definition at line 73 of file CQExpressionMmlStackedWidget.cpp.

{
#ifdef DEBUG_UI
  qDebug() << "- here on CQExpressionMmlStackedWidget::slotGoExpressionWidget() -";
  qDebug() << "L" << __LINE__ << " on CQEMSW mpExpressionWidget->text() = " << mpExpressionWidget->text();
#endif

  setCurrentWidget(mpExpressionPage);

#ifdef DEBUG_UI
  qDebug() << "L" << __LINE__ << " on CQEMSW mpExpressionWidget->text() = " << mpExpressionWidget->text();
  qDebug() << "L" << __LINE__ << " on CQEMSW: activeWidget NEW = " << currentIndex();
#endif
}

void CQExpressionMmlStackedWidget::slotGoMmlWidget ( )

protectedslot

Definition at line 88 of file CQExpressionMmlStackedWidget.cpp.

{
#ifdef DEBUG_UI
  qDebug() << "L" << __LINE__ << " on CQEMSW mpExpressionWidget->text() = " << mpExpressionWidget->text();
#endif

  setCurrentWidget(mpMmlPage);

#ifdef DEBUG_UI
  qDebug() << "L" << __LINE__ << " on CQEMSW mpExpressionWidget->text() = " << mpExpressionWidget->text();
  qDebug() << "L" << __LINE__ << " on CQEMSW: activeWidget NEW = " << currentIndex();
#endif
}

void CQExpressionMmlStackedWidget::slotSaveExpression ( )

privateslot

Definition at line 164 of file CQExpressionMmlStackedWidget.cpp.

References C_INT32, checkSelection(), CopasiFileDialog::getSaveFileName(), saveMML(), savePNG(), and saveTeX().

{
  QString *filter = new QString;
  QString outfilename;

  C_INT32 Answer = QMessageBox::No;

  while (Answer == QMessageBox::No)
    {
      outfilename =
        CopasiFileDialog::getSaveFileName(this,
                                          "Save File Dialog",
                                          "untitled.mml",
                                          "MathML (*.mml);;TeX (*.tex);;PNG (*.png)",
//                                          "Save Expression to Disk", new QString);
                                          "Save Expression to Disk", filter);

      if (outfilename.isEmpty()) return;

      // Checks whether the file exists
      Answer = checkSelection(outfilename);

      if (Answer == QMessageBox::Cancel)
        return;
    }

#ifdef DEBUG_UI
  qDebug() << "\non CQEMSW::slotSaveExpression -> filter = " << *filter << "\n";
#endif

  if (filter->contains(".tex"))
    saveTeX(outfilename);
  else if (filter->contains(".png"))
    savePNG(outfilename);
  else
    saveMML(outfilename);
}

void CQExpressionMmlStackedWidget::updateWidget ( )

slot

Definition at line 102 of file CQExpressionMmlStackedWidget.cpp.

References FROM_UTF8.

{
#ifdef DEBUG_UI
  qDebug() << "- here on CQExpressionMmlStackedWidget::updateWidget() -";
#endif

#ifdef HAVE_MML

  std::ostringstream mml;
  std::vector<std::vector<std::string> > params;

#ifdef DEBUG_UI
  qDebug() << "L" << __LINE__ << " on CQEMSW mpExpressionWidget->text() = " << mpExpressionWidget->text();
  qDebug() << "L" << __LINE__ << " on CQEMSW: activeWidget NEW = " << currentIndex();
#endif

  if (mpExpressionWidget->toPlainText().isEmpty() || !mpExpressionWidget->isValid())
    setCurrentWidget(mpExpressionPage);
  else
    {
      mpExpressionWidget->writeMathML(mml);

#ifdef DEBUG_UI
      qDebug() << "mml.str() = " << FROM_UTF8(mml.str());
#endif

      setCurrentWidget(mpMmlPage);
      mpMmlScrollView->updateWidget(mml);
    }

#endif /* HAVE_MML */

#ifdef DEBUG_UI
  qDebug() << "L" << __LINE__ << " on CQEMSW: activeWidget = " << currentIndex();
#endif
}

Member Data Documentation

QString CQExpressionMmlStackedWidget::MMLStr

private

Definition at line 45 of file CQExpressionMmlStackedWidget.h.

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The documentation for this class was generated from the following files:

• CQExpressionMmlStackedWidget.h
• CQExpressionMmlStackedWidget.cpp