next_file = xml_files.front();

    next_file = currentFile_path+"/"+next_file;

    readStateXML((const char*)next_file);

  }

}

void Main::readStateXML()

{

  //  extern Mesh mesh;

  stopSimulation();

#ifdef QDEBUG

  qDebug() << "Trying to open an OptionFileDialog" << endl;

#endif

  OptionFileDialog *fd = new OptionFileDialog( this, "read dialog", TRUE );

  fd->setMode( OptionFileDialog::ExistingFile );

  fd->setFilter( "XML files (*.xml)");

  if (working_dir) {

    fd->setDir(*working_dir);

  }

  QString fileName;

  if ( fd->exec() == QDialog::Accepted ) {

    fileName = fd->selectedFile();

    if (working_dir) {

      delete working_dir;

    }

    working_dir = fd->dir();

    if (readStateXML((const char *)fileName,fd->readGeometryP(), fd->readParametersP()) )

      return readStateXML(); // user can try again

  }

}

void Main::clear()

{

  editor->clear();

}

void Main::about()

{

  static QMessageBox* about = new QMessageBox

      "<h3>Virtual Leaf V1.0</h3>"

      "<p>"

      "An Open Source framework for cell-based modeling of plant tissue growth and development <br>"

      "(c) 2005-2008, Roeland Merks <i>et al.</i><br>"

      "    <a href=\"http://www.psb.vib-ugent.be\">VIB Department Plant Systems Biology</a>, "

      "Ghent, Belgium <br>"

      "(c) 2008-2010, <a href=\"http://www.cwi.nl/~merks\">Roeland Merks <i>et al.</i></a> <br>"

      "    <a href=\"http://www.cwi.nl\">Centrum Wiskunde & Informatica</a> and <a href=\"http://www.ncsb.nl\">Netherlands Consortium for Systems Biology</a>, Amsterdam, Netherlands <br>"

"<br>The Virtual Leaf is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.<br>"

      "<br>If you use this code for your projects, please cite our paper:"

"<br>Merks, Guravage, Inze, and Beemster. An Open Source framework for cell-based modeling of plant tissue growth and development. <i>Plant Physiology,</i> submitted.<br> . <br>"

      "<br>Please share your model plugins and extensions at <a href=\"http://virtualleaf.googlecode.com\">http://virtualleaf.googlecode.com</a>.", 

      QMessageBox::Information, 1, 0, 0, this, 0, FALSE );

  about->setButtonText( 1, "Dismiss" );

  about->show();

}

#include <string>

#include <fstream>

#include <streambuf>

void Main::gpl()

{

  static QMessageBox* gpl = new QMessageBox ( "License", "", 

      QMessageBox::Information, 1, 0, 0, this, 0, FALSE );

  std::ifstream t("../doc/GPL");

  std::string str;

  t.seekg(0, std::ios::end);   

  str.reserve(t.tellg());

  t.seekg(0, std::ios::beg);

  str.assign((std::istreambuf_iterator<char>(t)),

              std::istreambuf_iterator<char>());

  gpl->setText(QString("<h2>GNU GENERAL PUBLIC LICENSE</h2>"

		       "<h3>Version 2, June 1991</h3>"

                       "<p> Copyright (C) 1989, 1991 Free Software Foundation, Inc. "

                       "59 Temple Place, Suite 330, Boston, MA  02111-1307  USA: "

                       "Everyone is permitted to copy and distribute verbatim copies "

                       "of this license document, but changing it is not allowed.</p>"));

  gpl->setDetailedText(QString(str.c_str()));

  gpl->setButtonText( 1, "Dismiss" );

  gpl->show();

}

void Main::aboutQt(){

  QMessageBox::aboutQt( this, "Virtual Leaf" );