X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSALOME_InstallWizard.cxx;h=403011e029bb825f76441bf6ba3c52dd7f6e9ae9;hb=7f20464cbfdbb123c2880002895cdbb454e63fbf;hp=b6c2aafad0c1a84c3eb780ff9faeae9ff1aa2828;hpb=896eed97e1d0ae195b9130de5bd056a1b5b08621;p=tools%2Finstall.git

diff --git a/src/SALOME_InstallWizard.cxx b/src/SALOME_InstallWizard.cxx
index b6c2aaf..403011e 100644
--- a/src/SALOME_InstallWizard.cxx
+++ b/src/SALOME_InstallWizard.cxx
@@ -1,9 +1,9 @@
-//  File      : SALOME_InstallWizard.cxx 
+//  File      : SALOME_InstallWizard.cxx
 //  Created   : Thu Dec 18 12:01:00 2002
-//  Author    : Vadim SANDLER
+//  Author    : Vadim SANDLER, Open CASCADE SAS (vadim.sandler@opencascade.com)
 //  Project   : SALOME
 //  Module    : Installation Wizard
-//  Copyright : 2004-2005 CEA
+//  Copyright : 2002-2007 CEA
 
 #include "globals.h"
 
@@ -25,13 +25,13 @@
 #include <qcheckbox.h>
 #include <qsplitter.h>
 #include <qlayout.h>
-#include <qfiledialog.h> 
+#include <qfiledialog.h>
 #include <qapplication.h>
-#include <qfileinfo.h> 
-#include <qmessagebox.h> 
-#include <qtimer.h> 
+#include <qfileinfo.h>
+#include <qmessagebox.h>
+#include <qtimer.h>
 #include <qvbox.h>
-#include <qwhatsthis.h> 
+#include <qwhatsthis.h>
 #include <qtooltip.h>
 #include <qfile.h>
 #include <qthread.h>
@@ -39,6 +39,10 @@
 #include <qmutex.h>
 #include <qstringlist.h>
 #include <qpopupmenu.h>
+#include <qregexp.h>
+#include <qradiobutton.h>
+#include <qbuttongroup.h>
+#include <qregexp.h>
 
 #ifdef WNT
 #include <iostream.h>
@@ -80,7 +84,7 @@ public:
   virtual void run() {
     while ( hasCommands() ) {
       ___MESSAGE___( "ProcessThread::run - Processing command : " << myCommands[ 0 ].latin1() );
-      int result = system( myCommands[ 0 ] ) / 256; // return code is <errno> * 256 
+      int result = system( myCommands[ 0 ] ) / 256; // return code is <errno> * 256
       ___MESSAGE___( "ProcessThread::run - Result : " << result );
       QCheckListItem* item = myItems.first();
       myCommands.pop_front();
@@ -110,23 +114,23 @@ class WarnDialog: public QDialog
   static WarnDialog* myDlg;
   bool myCloseFlag;
 
-  WarnDialog( QWidget* parent ) 
+  WarnDialog( QWidget* parent )
   : QDialog( parent, "WarnDialog", true, WDestructiveClose ) {
     setCaption( tr( "Information" ) );
     myCloseFlag = false;
     QLabel* lab = new QLabel( tr( "Please, wait while checking native products configuration ..." ), this );
     lab->setAlignment( AlignCenter );
-    lab->setFrameStyle( QFrame::Box | QFrame::Plain ); 
+    lab->setFrameStyle( QFrame::Box | QFrame::Plain );
     QVBoxLayout* l = new QVBoxLayout( this );
     l->setMargin( 0 );
     l->add( lab );
-    this->setFixedSize( lab->sizeHint().width()  + 50, 
+    this->setFixedSize( lab->sizeHint().width()  + 50,
 		        lab->sizeHint().height() * 5 );
   }
   void accept() { return; }
   void reject() { return; }
   void closeEvent( QCloseEvent* e )
-  { if ( !myCloseFlag ) return; 
+  { if ( !myCloseFlag ) return;
     e->accept();
     QDialog::closeEvent( e );
   }
@@ -137,7 +141,7 @@ public:
       if ( !myDlg ) {
 	myDlg = new WarnDialog( parent );
 	QSize sh = myDlg->size();
-	myDlg->move( parent->x() + (parent->width()-sh.width())/2, 
+	myDlg->move( parent->x() + (parent->width()-sh.width())/2,
 		     parent->y() + (parent->height()-sh.height())/2 );
 	myDlg->show();
       }
@@ -203,7 +207,7 @@ private:
  *  Defines list of dependancies as string separated by space symbols
  */
 // ================================================================
-static QString DefineDependeces(MapProducts& theProductsMap) 
+static QString DefineDependeces(MapProducts& theProductsMap)
 {
   QStringList aProducts;
   for ( MapProducts::Iterator mapIter = theProductsMap.begin(); mapIter != theProductsMap.end(); ++mapIter ) {
@@ -211,19 +215,35 @@ static QString DefineDependeces(MapProducts& theProductsMap)
     Dependancies dep = mapIter.data();
     QStringList deps = dep.getDependancies();
     for (int i = 0; i<(int)deps.count(); i++ ) {
-      if ( !aProducts.contains( deps[i] ) )
+      if ( !aProducts.contains( deps[i] ) ) {
 	aProducts.append( deps[i] );
+	aProducts.append( deps[i] + "_src" );
+      }
     }
-    if ( !aProducts.contains( item->text(0) ) )
+    if ( !aProducts.contains( item->text(0) ) ) {
       aProducts.append( item->text(0) );
+      aProducts.append( item->text(0) + "_src" );
+    }
   }
   return aProducts.join(" ");
 }
 
+// ================================================================
+/*!
+ *  setAboutInfo [ static ]
+ *  Sets 'what's this' and 'tooltip' information for the widget
+ */
+// ================================================================
+static void setAboutInfo( QWidget* widget, const QString& tip )
+{
+  QWhatsThis::add( widget, tip );
+  QToolTip::add  ( widget, tip );
+}
+
 #define QUOTE(arg) QString("'") + QString(arg) + QString("'")
 
 /* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
-               T H E   O L D   I M P L E M E N T A T I O N 
+               T H E   O L D   I M P L E M E N T A T I O N
 static QString DefineDependeces(MapProducts& theProductsMap, QCheckListItem* product ){
   QStringList aProducts;
   if ( theProductsMap.contains( product ) ) {
@@ -317,6 +337,31 @@ static bool hasSpace( const QString& dir )
   return false;
 }
 
+// ================================================================
+/*!
+ *  makeTitle
+ *  Creates HTML-wrapped title text
+ */
+// ================================================================
+QString makeTitle( const QString& text, const QString& separator = " ", bool fl = true )
+{
+  QStringList words = QStringList::split( separator, text );
+  if ( fl ) {
+    for ( uint i = 0; i < words.count(); i++ )
+      words[i] = QString( "<font color=red>%1</font>" ).arg( words[i].left(1) ) + words[i].mid(1);
+  }
+  else {
+    if ( words.count() > 0 )
+      words[0] = QString( "<font color=red>%1</font>" ).arg( words[0] );
+    if ( words.count() > 1 )
+      words[words.count()-1] = QString( "<font color=red>%1</font>" ).arg( words[words.count()-1] );
+  }
+  QString res = words.join( separator );
+  if ( !res.isEmpty() )
+    res = QString( "<b>%1</b>" ).arg( res );
+  return res;
+}
+
 // ================================================================
 /*!
  *  QMyCheckBox class : custom check box
@@ -330,58 +375,176 @@ public:
   void setState ( ToggleState s ) { QCheckBox::setState( s ); }
 };
 
+// ================================================================
+/*!
+ *  AboutDlg
+ *  "About dialog box.
+ */
+// ================================================================
+class AboutDlg: public QDialog
+{
+public:
+  AboutDlg( SALOME_InstallWizard* parent ) : QDialog( parent, "About dialog box", true )
+  {
+    // caption
+    setCaption( QString( "About %1" ).arg( parent->getIWName() ) );
+    // palette
+    QPalette pal = palette();
+    QColorGroup cg = pal.active();
+    cg.setColor( QColorGroup::Foreground, Qt::darkBlue );
+    cg.setColor( QColorGroup::Background, Qt::white );
+    pal.setActive( cg ); pal.setInactive( cg ); pal.setDisabled( cg );
+    setPalette( pal );
+    // layout
+    QGridLayout* main = new QGridLayout( this, 1, 1, 11, 6 );
+    // image
+    QLabel* logo = new QLabel( this, "logo" );
+    logo->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) );
+    logo->setMinimumSize( 32, 32 ); logo->setMaximumSize( 32, 32 );
+    logo->setPaletteBackgroundColor( QColor( 234, 250, 234 ) );
+    logo->setFrameStyle( QLabel::NoFrame | QLabel::Plain );
+    logo->setPixmap( pixmap( pxAbout ) );
+    logo->setScaledContents( false );
+    logo->setAlignment( QLabel::AlignCenter );
+    // decoration
+    QLabel* decorLeft = new QLabel( this, "decorLeft" );
+    decorLeft->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Expanding ) );
+    decorLeft->setMinimumWidth( 32 ); decorLeft->setMaximumWidth( 32 );
+    decorLeft->setPaletteBackgroundColor( QColor( 234, 250, 234 ) );
+    decorLeft->setScaledContents( false );
+    QLabel* decorTop = new QLabel( this, "decorTop" );
+    decorTop->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ) );
+    decorTop->setMinimumHeight( 32 ); decorTop->setMaximumHeight( 32 );
+    decorTop->setPaletteBackgroundColor( QColor( 234, 250, 234 ) );
+    decorTop->setScaledContents( false );
+    // contents
+    QLabel* title = new QLabel( this, "title" );
+    QString tlt = parent->getIWName();
+    title->setText( makeTitle( tlt ) );
+    QLabel* version = new QLabel( this, "version" );
+    version->setText( QString( "<b>Version</b>: %1.%1.%1" ).arg( __IW_VERSION_MAJOR__ ) \
+		      .arg( __IW_VERSION_MINOR__ ) \
+		      .arg( __IW_VERSION_PATCH__ ) );
+    QLabel* copyright = new QLabel( this, "copyright" );
+    copyright->setText( "<b>Copyright</b> &copy; 2004-2007 CEA" );
+    QFont font = title->font();
+    font.setPointSize( (int)( font.pointSize() * 1.8 ) );
+    title->setFont( font );
+    QFrame* line = new QFrame( this, "line" );
+    line->setFrameStyle( QFrame::HLine | QFrame::Sunken );
+    QLabel* url = new QLabel( this, "url" );
+    url->setText( makeTitle( "www.salome-platform.org", ".", false ) );
+    url->setAlignment( AlignRight );
+    font = version->font();
+    font.setPointSize( (int)( font.pointSize() / 1.2 ) );
+    version->setFont( font );
+    copyright->setFont( font );
+    url->setFont( font );
+    // layout
+    main->addWidget( logo, 0, 0 );
+    main->addMultiCellWidget( decorLeft, 1, 5, 0, 0 );
+    main->addWidget( decorTop, 0, 1 );
+    main->addWidget( title, 1, 1 );
+    main->addWidget( version, 2, 1 );
+    main->addWidget( copyright, 3, 1 );
+    main->addWidget( line, 4, 1 );
+    main->addWidget( url, 5, 1 );
+    // resize
+    QFontMetrics fm( title->font() );
+    int width = (int)( fm.width( tlt ) * 1.5 );
+    title->setMinimumWidth( width );
+    setMaximumSize( minimumSize() );
+  }
+  void mousePressEvent( QMouseEvent* )
+  {
+    accept();
+  }
+};
+
 // ================================================================
 /*!
  *  SALOME_InstallWizard::SALOME_InstallWizard
  *  Constructor
  */
 // ================================================================
-SALOME_InstallWizard::SALOME_InstallWizard(QString aXmlFileName)
-     : InstallWizard( qApp->desktop(), "SALOME_InstallWizard", false, 0 ), 
-       helpWindow( NULL ), 
-       moreMode( false ), 
-       previousPage( 0 ), 
-       exitConfirmed( false )
+SALOME_InstallWizard::SALOME_InstallWizard(const QString& aXmlFileName,
+					   const QString& aTargetDir,
+					   const QString& aTmpDir)
+     : InstallWizard( qApp->desktop(), "SALOME_InstallWizard", false, 0 ),
+       helpWindow( NULL ),
+       moreMode( false ),
+       previousPage( 0 ),
+       exitConfirmed( false ),
+       hasErrors( false )
 {
-  myIWName = tr( "Installation Wizard" );
-  tmpCreated = QString::null;
-  xmlFileName = aXmlFileName;
-  QFont fnt = font(); fnt.setPointSize( 14 ); fnt.setBold( true );
+  myIWName     = tr( "Installation Wizard" );
+  tmpCreated   = QString::null;
+  xmlFileName  = aXmlFileName;
+  myTargetPath = aTargetDir;
+  myTmpPath    = aTmpDir;
+  stateChanged = true;
+  binPath = QDir::currentDirPath() + "/Products/BINARIES";
+  srcPath = QDir::currentDirPath() + "/Products/SOURCES";
+  
+  //
+  // get XML filename and current platform
+  //
+  // ... get current platform
+  curPlatform = currentPlatform();
+//   cout << "curOS = " << curPlatform << endl;
+//   curPlatform = "";
+  // ... check XML and platform definition
+  getXmlAndPlatform();
+
+  // set application font
+  QFont fnt = font();
+  fnt.setPointSize( 14 );
+  fnt.setBold( true );
   setTitleFont( fnt );
 
   // set icon
   setIcon( pixmap( pxIcon ) );
   // enable sizegrip
   setSizeGripEnabled( true );
-  
+
   // add logo
   addLogo( pixmap( pxLogo ) );
-  
+
   // set defaults
-  setVersion( "1.2" );
-  setCaption( tr( "PAL/SALOME %1" ).arg( myVersion ) );
-  setCopyright( tr( "Copyright (C) 2004 CEA" ) );
-  setLicense( tr( "All right reserved" ) );
-  setOS( "" );
+  setVersion( "3.2.7" );
+  setCaption( tr( "SALOME %1" ).arg( myVersion ) );
+  setCopyright( tr( "Copyright (C) 2007 CEA" ) );
+  setLicense( tr( "All rights reserved." ) );
 
-  ___MESSAGE___( "Config. file : " << xmlFileName );
+  ___MESSAGE___( "Configuration file : " << xmlFileName.latin1() );
+  ___MESSAGE___( "Target directory   : " << myTargetPath.latin1() );
+  ___MESSAGE___( "Temporary directory: " << myTmpPath.latin1() );
 
+  //
   // xml reader
-  QFile xmlfile(xmlFileName);
-  if ( xmlfile.exists() ) {
-    QXmlInputSource source( &xmlfile );
-    QXmlSimpleReader reader;
+  //
+  StructureParser* parser = new StructureParser( this );
+  parser->readXmlFile(xmlFileName);
 
-    StructureParser* handler = new StructureParser( this );
-    reader.setContentHandler( handler );
-    reader.parse( source );  
-  }
+  // create instance of class for starting shell script to get available disk space
+  diskSpaceProc = new QProcess( this, "procDiskSpace" );
+  connect( diskSpaceProc, SIGNAL( processExited() ), this, SLOT( updateAvailableSpace() ) );
 
   // create instance of class for starting shell install script
   shellProcess = new QProcess( this, "shellProcess" );
 
+  // create instance of class for starting shell script to check Fortran libraries
+  checkFLibProc = new QProcess( this, "checkFLibProc" );
+  connect(checkFLibProc, SIGNAL( processExited() ), this, SLOT( checkFLibResult() ) );
+
   // create introduction page
   setupIntroPage();
+  // create page to select installation type
+  setupTypePage();
+  // create page to select the reference installation platform (if necessary)
+  setupPlatformPage();
+  // create directories page
+  setupDirPage();
   // create products page
   setupProductsPage();
   // create prestart page
@@ -390,23 +553,20 @@ SALOME_InstallWizard::SALOME_InstallWizard(QString aXmlFileName)
   setupProgressPage();
   // create readme page
   setupReadmePage();
-  
+
   // common buttons
-  QWhatsThis::add( backButton(),   tr( "Returns to the previous step of the installation procedure" ) );
-  QToolTip::add  ( backButton(),   tr( "Returns to the previous step of the installation procedure" ) );
-  QWhatsThis::add( nextButton(),   tr( "Moves to the next step of the installation procedure" ) );
-  QToolTip::add  ( nextButton(),   tr( "Moves to the next step of the installation procedure" ) );
-  QWhatsThis::add( finishButton(), tr( "Finishes installation and quits program" ) );
-  QToolTip::add  ( finishButton(), tr( "Finishes installation and quits program" ) );
-  QWhatsThis::add( cancelButton(), tr( "Cancels installation and quits program" ) );
-  QToolTip::add  ( cancelButton(), tr( "Cancels installation and quits program" ) );
-  QWhatsThis::add( helpButton(),   tr( "Displays help information window" ) );
-  QToolTip::add  ( helpButton(),   tr( "Displays help information window" ) );
-  
+  setAboutInfo( backButton(),   tr( "Return to the previous step\nof the installation procedure" ) );
+  setAboutInfo( nextButton(),   tr( "Move to the next step\nof the installation procedure" ) );
+  setAboutInfo( finishButton(), tr( "Finish the installation and quit the program" ) );
+  setAboutInfo( cancelButton(), tr( "Cancel the installation and quit the program" ) );
+  setAboutInfo( helpButton(),   tr( "Show the help information" ) );
+
   // common signals connections
   connect( this, SIGNAL( selected( const QString& ) ),
-                                          this, SLOT( pageChanged( const QString& ) ) );
-  connect( this, SIGNAL( helpClicked() ), this, SLOT( helpClicked() ) );
+	                                   this, SLOT( pageChanged( const QString& ) ) );
+  connect( this, SIGNAL( helpClicked() ),  this, SLOT( helpClicked() ) );
+  connect( this, SIGNAL( aboutClicked() ), this, SLOT( onAbout() ) );
+
   // catch signals from launched script
   connect(shellProcess, SIGNAL( readyReadStdout() ), this, SLOT( readFromStdout() ) );
   connect(shellProcess, SIGNAL( readyReadStderr() ), this, SLOT( readFromStderr() ) );
@@ -415,6 +575,10 @@ SALOME_InstallWizard::SALOME_InstallWizard(QString aXmlFileName)
 
   // create validation thread
   myThread = new ProcessThread( this );
+
+  // show about button
+  setAboutIcon( pixmap( pxAbout ) );
+  showAboutBtn( true );
 }
 // ================================================================
 /*!
@@ -431,12 +595,162 @@ SALOME_InstallWizard::~SALOME_InstallWizard()
     script += QString::number( PID );
     script += " > /dev/null";
     ___MESSAGE___( "script: " << script.latin1() );
-    if ( system( script.latin1() ) ) { 
+    if ( system( script.latin1() ) ) {
     }
   }
   delete myThread;
 }
 // ================================================================
+/*!
+ *  SALOME_InstallWizard::currentPlatform
+ *  Tries to determine the current user's operating system
+ */
+// ================================================================
+QString SALOME_InstallWizard::currentPlatform()
+{
+  // file parsing
+  QString curOS = "";
+  QString osFileName = "/etc/issue";
+  if ( QFile::exists( osFileName ) ) {
+    QFile file( osFileName );
+    if ( file.open( IO_ReadOnly ) ) {
+      QTextStream stream( &file );
+      QString str = stream.readLine();
+      file.close();
+      // line parsing
+      QString pltName = "", platVersion = "", platBit = "";
+      QRegExp rx( "(.*)[L|l]inux.*release\\s+([\\d.]*)" );
+//       str = "Debian GNU/Linux 3.1 \n \l";
+//       str = "Red Hat Enterprise Linux WS release 4 (Nahant)";
+//       str = "Mandriva Linux release 2006.0 (Official) for x86_64";
+      int pos = rx.search( str );
+      if ( pos == -1 ) {// Debian case
+	rx = QRegExp( "(.*)GNU/Linux\\s+([\\d.]*)" );
+	pos = rx.search( str );
+      }
+      if ( pos > -1 ) {
+	pltName = rx.cap( 1 );
+	platVersion = rx.cap( 2 );
+	rx = QRegExp( "x86_64" );
+	pos = rx.search( str );
+	if ( pos > -1 )
+	  platBit = "_64";
+	curOS = pltName + platVersion + platBit;
+      }
+    }
+  }
+  //   return curOS.remove( " " );
+  QString str( " " );
+  int index = 0;
+  while ( (index = curOS.find( str, index, true)) != -1 )
+    curOS.remove( index, str.length() );
+  return curOS;
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::getXmlMap
+ *  Creates a map of the supported operating systems and 
+ *  corresponding XML files.
+ */
+// ================================================================
+MapXmlFiles SALOME_InstallWizard::getXmlMap( const QString& xmlFileName )
+{
+  MapXmlFiles xmlMap;
+  QStringList xmlList;
+  if ( xmlFileName )
+    xmlList.append( xmlFileName );
+  else {
+    QDir dir( QDir::currentDirPath() );
+    xmlList = dir.entryList( "*.xml", QDir::Files | QDir::Readable );
+  }
+//   cout << xmlList.join(",") << endl;
+  // XML files parsing
+  QFile file;
+  QDomDocument doc( "xml_doc" );
+  QDomElement docElem;
+  QDomNodeList nodeList;
+  QDomNode node;
+  QDomElement elem;
+  QString platforms = "";
+  QStringList platList;
+  for ( uint i = 0; i < xmlList.count(); i++ ) {
+    file.setName( xmlList[i] );
+    if ( !doc.setContent( &file ) ) {
+      file.close();
+      continue;
+    }
+    file.close();
+    
+    docElem = doc.documentElement();
+    nodeList = docElem.elementsByTagName( "config" );
+    if ( nodeList.count() == 0 )
+      continue;      
+    node = nodeList.item( 0 );
+    if ( node.isElement() ) {
+      elem = node.toElement();
+      if ( elem.attribute( "platforms" ) ) {
+	platforms = elem.attribute( "platforms" ).stripWhiteSpace();
+	QStringList platList = QStringList::split( ",", platforms );
+	for ( uint j = 0; j < platList.count(); j++ ) {
+	  if ( !platList[j].isEmpty() && xmlMap.find( platList[j] ) == xmlMap.end() )
+	    xmlMap[ platList[j] ] = xmlList[i];
+	}
+// 	if ( !curPlatform.isEmpty() && xmlMap.find( curPlatform ) != xmlMap.end() )
+// 	  return xmlMap;
+      }
+    }
+  }
+  return xmlMap;
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::checkXmlAndPlatform
+ *  Check XML file and current platform definition
+ */
+// ================================================================
+void SALOME_InstallWizard::getXmlAndPlatform()
+{
+  MapXmlFiles xmlMap;
+  if ( xmlFileName.isNull() ) {
+    xmlMap = getXmlMap();
+    if ( !curPlatform.isEmpty() ) {
+      // try to get XML file for current platform
+      if ( xmlMap.find( curPlatform ) != xmlMap.end() )
+	xmlFileName = xmlMap[ curPlatform ];
+      else {
+	platformsMap = xmlMap;
+	warnMsg = tr( "Your Linux platform is not supported by this SALOME package" );
+      }
+    }
+    else {
+      // get all supported platforms
+      platformsMap = xmlMap;
+      warnMsg = tr( "Install Wizard can't define your Linux platform" );
+    }
+  }
+  else {
+    xmlMap = getXmlMap( xmlFileName );
+    if ( !curPlatform.isEmpty() ) {
+      // check that the user's XML file supports current platform
+      if ( xmlMap.find( curPlatform ) == xmlMap.end() ) {
+	platformsMap = getXmlMap();
+	MapXmlFiles::Iterator it;
+	for ( it = xmlMap.begin(); it != xmlMap.end(); ++it )
+	  platformsMap.insert( it.key(), it.data(), true );
+	warnMsg = tr( "The given configuration file doesn't support your Linux platform" );
+      }
+    }
+    else {
+      // get all supported platforms
+      platformsMap = getXmlMap();
+      MapXmlFiles::Iterator it;
+      for ( it = xmlMap.begin(); it != xmlMap.end(); ++it )
+	platformsMap.insert( it.key(), it.data(), true );
+      warnMsg = tr( "Install Wizard can't define your Linux platform" );
+    }
+  }
+}
+// ================================================================
 /*!
  *  SALOME_InstallWizard::eventFilter
  *  Event filter, spies for Help window closing
@@ -461,10 +775,10 @@ void SALOME_InstallWizard::closeEvent( QCloseEvent* ce )
     return;
   }
   if ( !exitConfirmed ) {
-    if ( QMessageBox::information( this, 
-				   tr( "Exit" ), 
-				   tr( "Do you want to quit %1?" ).arg( getIWName() ), 
-				   tr( "&Yes" ), 
+    if ( QMessageBox::information( this,
+				   tr( "Exit" ),
+				   tr( "Do you want to quit %1?" ).arg( getIWName() ),
+				   tr( "&Yes" ),
 				   tr( "&No" ),
 				   QString::null,
 				   0,
@@ -488,7 +802,7 @@ void SALOME_InstallWizard::setupIntroPage()
 {
   // create page
   introPage = new QWidget( this, "IntroPage" );
-  QGridLayout* pageLayout = new QGridLayout( introPage ); 
+  QGridLayout* pageLayout = new QGridLayout( introPage );
   pageLayout->setMargin( 0 ); pageLayout->setSpacing( 6 );
   // create logo picture
   logoLab = new QLabel( introPage );
@@ -533,6 +847,211 @@ void SALOME_InstallWizard::setupIntroPage()
   addPage( introPage, tr( "Introduction" ) );
 }
 // ================================================================
+/*!
+ *  SALOME_InstallWizard::setupTypePage
+ *  Creates installation types page
+ */
+// ================================================================
+void SALOME_InstallWizard::setupTypePage()
+{
+  // create page
+  typePage = new QWidget( this, "TypePage" );
+  QGridLayout* pageLayout = new QGridLayout( typePage );
+  pageLayout->setMargin( 0 ); pageLayout->setSpacing( 6 );
+  // create installation type button group
+  buttonGrp = new QButtonGroup( typePage );
+  buttonGrp->setFrameShape(QButtonGroup::NoFrame);
+  QGridLayout* buttonGrpLayout = new QGridLayout( buttonGrp );
+  buttonGrpLayout->setMargin( 0 ); buttonGrpLayout->setSpacing( 6 );
+  QSpacerItem* spacer1 = new QSpacerItem( 16, 50, QSizePolicy::Minimum, QSizePolicy::Expanding );
+  QSpacerItem* spacer2 = new QSpacerItem( 16, 50, QSizePolicy::Minimum, QSizePolicy::Expanding );
+  QLabel* selectLab = new QLabel( tr( "Select a type of the installation:" ), buttonGrp );
+  QSpacerItem* spacer3 = new QSpacerItem( 20, 20, QSizePolicy::Fixed, QSizePolicy::Minimum );
+  // ... 'install binaries' layout
+  QGridLayout* binLayout = new QGridLayout( 2, 2, 0 );
+  binBtn = new QRadioButton( tr( "Install binaries" ), buttonGrp );
+  QFont rbFont = binBtn->font();
+  rbFont.setBold( true );
+  binBtn->setFont( rbFont );
+  QSpacerItem* spacer4 = new QSpacerItem( 16, 16, QSizePolicy::Fixed, QSizePolicy::Minimum );
+  QLabel* binLab = new QLabel( tr( "- all the binaries and sources of the chosen SALOME modules will be installed.\n"
+				   "- all the binaries of the chosen prerequisites will be installed." ), 
+			       buttonGrp );
+  binLayout->addMultiCellWidget( binBtn,  0, 0, 0, 1 );
+  binLayout->addItem           ( spacer4, 1,    0    );
+  binLayout->addWidget         ( binLab,  1,    1    );
+  // ... 'install sources' layout
+  QGridLayout* srcLayout = new QGridLayout( 2, 2, 0 );
+  srcBtn = new QRadioButton( tr( "Install sources" ), buttonGrp );
+  srcBtn->setFont( rbFont );
+  QSpacerItem* spacer5 = new QSpacerItem( 16, 16, QSizePolicy::Fixed, QSizePolicy::Minimum );
+  QLabel* srcLab = new QLabel( tr( "- all the sources of the chosen modules and prerequisites will be installed without\ncompilation." ), 
+			       buttonGrp );
+  srcLayout->addMultiCellWidget( srcBtn,  0, 0, 0, 1 );
+  srcLayout->addItem           ( spacer5, 1,    0    );
+  srcLayout->addWidget         ( srcLab,  1,    1    );
+  // ... 'install sources and make compilation' layout
+  QGridLayout* srcCompileLayout = new QGridLayout( 3, 3, 0 );
+  srcCompileBtn = new QRadioButton( tr( "Install sources and make a compilation" ), buttonGrp );
+  srcCompileBtn->setFont( rbFont );
+  QSpacerItem* spacer6 = new QSpacerItem( 16, 16, QSizePolicy::Fixed, QSizePolicy::Minimum );
+  QLabel* srcCompileLab1 = new QLabel( tr( "- all the sources of the chosen modules and prerequisites will be installed and\ncompiled." ), 
+				       buttonGrp );
+  QLabel* srcCompileLab2 = new QLabel( tr( "Note:" ), 
+				       buttonGrp );
+  QFont noteFont = srcCompileLab2->font();
+  noteFont.setUnderline( true );
+  srcCompileLab2->setFont( noteFont );
+  srcCompileLab2->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Preferred ) );
+  srcCompileLab2->setAlignment( Qt::AlignHCenter | Qt::AlignTop );
+  QLabel* srcCompileLab3 = new QLabel( " " + 
+				       tr( "it is a long time operation and it can take more than 24 hours depending\n on the computer." ), 
+				       buttonGrp );
+  removeSrcBtn = new QCheckBox( tr( "Remove sources and temporary files after compilation" ), typePage );
+  setAboutInfo( removeSrcBtn, tr( "Check this option if you want to remove sources of the products\nwith all the temporary files after build finishing" ) );
+  removeSrcBtn->setChecked( false );
+  removeSrcBtn->setEnabled( false );
+  rmSrcPrevState = removeSrcBtn->isChecked();
+
+  srcCompileLayout->addMultiCellWidget( srcCompileBtn,  0, 0, 0, 2 );
+  srcCompileLayout->addMultiCell      ( spacer6,        1, 2, 0, 0 );
+  srcCompileLayout->addMultiCellWidget( srcCompileLab1, 1, 1, 1, 2 );
+  srcCompileLayout->addWidget         ( srcCompileLab2, 2,    1    );
+  srcCompileLayout->addWidget         ( srcCompileLab3, 2,    2    );
+  srcCompileLayout->addMultiCellWidget( removeSrcBtn,   3, 3, 1, 2 );
+  // layout widgets in the button group
+  buttonGrpLayout->addItem           ( spacer1,          0,    1    );
+  buttonGrpLayout->addMultiCellWidget( selectLab,        1, 1, 0, 1 );
+  buttonGrpLayout->addMultiCell      ( spacer3,          2, 4, 0, 0 );
+  buttonGrpLayout->addLayout         ( binLayout,        2,    1    );
+  buttonGrpLayout->addLayout         ( srcLayout,        3,    1    );
+  buttonGrpLayout->addLayout         ( srcCompileLayout, 4,    1    );
+  buttonGrpLayout->addItem           ( spacer2,          5,    1    );
+  // layout button group at the page
+  pageLayout->addWidget( buttonGrp, 0, 0 );
+  // connecting signals
+  connect( buttonGrp, SIGNAL( clicked(int) ), this, SLOT ( onButtonGroup(int) ) );
+  // adding page
+  addPage( typePage, tr( "Installation type" ) );
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::setupPlatformPage
+ *  Creates platforms page, if necessary
+ */
+// ================================================================
+void SALOME_InstallWizard::setupPlatformPage()
+{
+  // create page or not?
+  if ( platformsMap.isEmpty() )
+    return;
+
+  // create page
+  platformsPage = new QWidget( this, "PlatformsPage" );
+  QGridLayout* pageLayout = new QGridLayout( platformsPage );
+  pageLayout->setMargin( 0 ); pageLayout->setSpacing( 6 );
+  // create warning labels
+  QLabel* warnLab2 = new QLabel( tr( "WARNING!" ), platformsPage );
+  warnLab2->setAlignment( Qt::AlignHCenter );
+  QFont fnt = warnLab2->font();
+  fnt.setBold( true );
+  warnLab2->setFont( fnt );
+  if ( installType == Compile && platformsMap.find( curPlatform ) == platformsMap.end() )
+    warnMsg += tr( " and compilation is not tested on this one." );
+  else
+    warnMsg += ".";
+  warnLab = new QLabel( warnMsg, platformsPage );
+  warnLab->setAlignment( Qt::AlignHCenter | Qt::WordBreak );
+  QLabel* warnLab3 = new QLabel( tr( "If you want to proceed anyway, please select platform from the following list:" ), 
+				 platformsPage );
+  warnLab3->setAlignment( Qt::AlignHCenter | Qt::WordBreak );
+  // create button group
+  platBtnGrp = new QButtonGroup( platformsPage );
+  platBtnGrp->setFrameShape(QButtonGroup::LineEditPanel);
+  platBtnGrp->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Preferred ) );
+  QVBoxLayout* platBtnGrpLayout = new QVBoxLayout( platBtnGrp );
+  platBtnGrpLayout->setMargin( 11 ); platBtnGrpLayout->setSpacing( 6 );
+  // create platforms radio-buttons
+  QString plat;
+  MapXmlFiles::Iterator it;
+  for ( it = platformsMap.begin(); it != platformsMap.end(); ++it ) {
+    plat = it.key();
+    QRadioButton* rb = new QRadioButton( plat, platBtnGrp, plat );
+    platBtnGrpLayout->addWidget( rb );
+  }
+  // create spacers
+  QSpacerItem* spacer1 = new QSpacerItem( 16, 20, QSizePolicy::Minimum, QSizePolicy::Expanding );
+  QSpacerItem* spacer2 = new QSpacerItem( 16, 20, QSizePolicy::Minimum, QSizePolicy::Expanding );
+
+  // layout widgets on page
+  pageLayout->addItem           ( spacer1,    0,    0    );
+  pageLayout->addWidget         ( warnLab2,   1,    0    );
+  pageLayout->addWidget         ( warnLab,    2,    0    );
+  pageLayout->addWidget         ( warnLab3,   3,    0    );
+  pageLayout->addItem           ( spacer2,    4,    0    );
+  pageLayout->addMultiCellWidget( platBtnGrp, 0, 4, 1, 1 );
+
+  // connecting signals
+  connect( platBtnGrp, SIGNAL( clicked(int) ), this, SLOT ( onButtonGroup(int) ) );
+
+  // adding page
+  addPage( platformsPage, tr( "Installation platform" ) );
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::setupDirPage
+ *  Creates directories page
+ */
+// ================================================================
+void SALOME_InstallWizard::setupDirPage()
+{
+  // create page
+  dirPage = new QWidget( this, "DirPage" );
+  QGridLayout* pageLayout = new QGridLayout( dirPage );
+  pageLayout->setMargin( 0 ); pageLayout->setSpacing( 6 );
+  QSpacerItem* spacer1 = new QSpacerItem( 16, 50, QSizePolicy::Minimum, QSizePolicy::Expanding );
+  QSpacerItem* spacer2 = new QSpacerItem( 16, 50, QSizePolicy::Minimum, QSizePolicy::Expanding );
+  // target directory
+  QGridLayout* targetLayout = new QGridLayout( 2, 2, 0 );
+  QLabel* targetLab = new QLabel( tr( "Set a target directory to install SALOME platform:" ), dirPage );
+  targetFolder = new QLineEdit( dirPage );
+  targetBtn = new QPushButton( tr( "Browse..." ), dirPage );
+  setAboutInfo( targetBtn, tr( "Click this button to browse\nthe installation directory" ) );
+  targetLayout->addMultiCellWidget( targetLab,    0, 0, 0, 1 );
+  targetLayout->addWidget         ( targetFolder, 1,    0    );
+  targetLayout->addWidget         ( targetBtn,    1,    1    );
+  // temporary directory
+  QGridLayout* tempLayout = new QGridLayout( 2, 2, 0 );
+  QLabel* tempLab = new QLabel( tr( "Set a directory that should be used for temporary SALOME files:" ), dirPage );
+  tempFolder = new QLineEdit( dirPage );
+  tempBtn = new QPushButton( tr( "Browse..." ), dirPage );
+  setAboutInfo( tempBtn, tr( "Click this button to browse\nthe temporary directory" ) );
+  tempLayout->addMultiCellWidget( tempLab,    0, 0, 0, 1 );
+  tempLayout->addWidget         ( tempFolder, 1,    0    );
+  tempLayout->addWidget         ( tempBtn,    1,    1    );
+  // AKL: 13/08/07 - disable temporary directory setting in GUI ==>
+  tempLab->hide();
+  tempFolder->hide();
+  tempBtn->hide();
+  // AKL: 13/08/07 - disable temporary directory setting in GUI <==
+  // layout widgets
+  pageLayout->addItem  ( spacer1,      0, 0 );
+  pageLayout->addLayout( targetLayout, 1, 0 );
+  pageLayout->addLayout( tempLayout,   2, 0 );
+  pageLayout->addItem  ( spacer2,      3, 0 );
+  // connecting signals
+  connect( targetFolder,  SIGNAL( textChanged( const QString& ) ),
+	   this,          SLOT( directoryChanged( const QString& ) ) );
+  connect( targetBtn,     SIGNAL( clicked() ), 
+	   this,          SLOT( browseDirectory() ) );
+  connect( tempFolder,    SIGNAL( textChanged( const QString& ) ),
+	   this,          SLOT( directoryChanged( const QString& ) ) );
+  connect( tempBtn,       SIGNAL( clicked() ), this, SLOT( browseDirectory() ) );
+
+  // adding page
+  addPage( dirPage, tr( "Installation directory" ) );
+}
+// ================================================================
 /*!
  *  SALOME_InstallWizard::setupProductsPage
  *  Creates products page
@@ -542,147 +1061,91 @@ void SALOME_InstallWizard::setupProductsPage()
 {
   // create page
   productsPage = new QWidget( this, "ProductsPage" );
-  QGridLayout* pageLayout = new QGridLayout( productsPage ); 
+  QGridLayout* pageLayout = new QGridLayout( productsPage );
   pageLayout->setMargin( 0 ); pageLayout->setSpacing( 6 );
-  // target directory
-  QLabel* targetLab = new QLabel( tr( "Type the target directory:" ), productsPage );
-  targetFolder = new QLineEdit( productsPage );
-  QWhatsThis::add( targetFolder, tr( "Enter target root directory where products will be installed" ) );
-  QToolTip::add  ( targetFolder, tr( "Enter target root directory where products will be installed" ) );
-  targetBtn = new QPushButton( tr( "Browse..." ), productsPage );
-  QWhatsThis::add( targetBtn, tr( "Click this to browse target directory" ) );
-  QToolTip::add  ( targetBtn, tr( "Click this to browse target directory" ) );
-  // create advanced mode widgets container
-  moreBox = new QWidget( productsPage );
-  QGridLayout* moreBoxLayout = new QGridLayout( moreBox );
-  moreBoxLayout->setMargin( 0 ); moreBoxLayout->setSpacing( 6 );
-  // temp directory
-  QLabel* tempLab = new QLabel( tr( "Type the directory for the temporary files:" ), moreBox );
-  tempFolder = new QLineEdit( moreBox );
-  //  tempFolder->setText( "/tmp" ); // default is /tmp directory
-  QWhatsThis::add( tempFolder, tr( "Enter directory where to put temporary files" ) );
-  QToolTip::add  ( tempFolder, tr( "Enter directory where to put temporary files" ) );
-  tempBtn = new QPushButton( tr( "Browse..." ), moreBox );
-  tempBtn->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) );
-  QWhatsThis::add( tempBtn, tr( "Click this to browse temporary directory" ) );
-  QToolTip::add  ( tempBtn, tr( "Click this to browse temporary directory" ) );
-  // create products list
-  productsView = new ProductsView( moreBox );
-  productsView->setMinimumSize( 250, 180 );
-  QWhatsThis::add( productsView, tr( "This view lists the products you wish to be installed" ) );
-  QToolTip::add  ( productsView, tr( "This view lists the products you wish to be installed" ) );
-  // products info box
-  productsInfo = new QTextBrowser( moreBox );
-  productsInfo->setMinimumSize( 270, 135 );
-  QWhatsThis::add( productsInfo, tr( "Shows info about the product: required disk space and prerequisites" ) );
-  QToolTip::add  ( productsInfo, tr( "Shows info about the product: required disk space and prerequisites" ) );
-  // disk space labels
-  QLabel* reqLab1 = new QLabel( tr( "Total disk space required:" ), moreBox );
-  QWhatsThis::add( reqLab1, tr( "Shows total disk space required for installing selected products" ) );
-  QToolTip::add  ( reqLab1, tr( "Shows total disk space required for installing selected products" ) );
-  requiredSize = new QLabel( moreBox );
-  requiredSize->setMinimumWidth( 100 );
-  QWhatsThis::add( requiredSize, tr( "Shows total disk space required for installing selected products" ) );
-  QToolTip::add  ( requiredSize, tr( "Shows total disk space required for installing selected products" ) );
-  QLabel* reqLab2 = new QLabel( tr( "Space for temporary files:" ), moreBox );
-  QWhatsThis::add( reqLab2, tr( "Shows additional disk space which is required for temporary files" ) );
-  QToolTip::add  ( reqLab2, tr( "Shows additional disk space which is required for temporary files" ) );
-  requiredTemp = new QLabel( moreBox );
-  requiredTemp->setMinimumWidth( 100 );
-  QWhatsThis::add( requiredTemp, tr( "Shows additional disk space which is required for temporary files" ) );
-  QToolTip::add  ( requiredTemp, tr( "Shows additional disk space which is required for temporary files" ) );
-  QFont fnt = reqLab1->font();
-  fnt.setBold( true );
-  reqLab1->setFont( fnt );
-  requiredSize->setFont( fnt );
-  reqLab2->setFont( fnt );
-  requiredTemp->setFont( fnt );
+  //
+  // create left column widgets
+  //
+  QVBoxLayout* leftBoxLayout = new QVBoxLayout;
+  leftBoxLayout->setMargin( 0 ); leftBoxLayout->setSpacing( 6 );
+  // ... modules list
+  modulesView = new ProductsView( productsPage, "modulesView" );
+  setAboutInfo( modulesView, tr( "The modules available for the installation" ) );
+  modulesView->setColumnAlignment( 1, Qt::AlignRight );
+  leftBoxLayout->addWidget( modulesView );
+  // ... 'Installation with GUI' checkbox
+  installGuiBtn = new QMyCheckBox( tr( "Installation with GUI" ), productsPage );
+  setAboutInfo( installGuiBtn, tr( "Check this option if you want\nto install SALOME with GUI" ) );
+  leftBoxLayout->addWidget( installGuiBtn );
+  // ... prerequisites list
+  prereqsView = new ProductsView( productsPage, "prereqsView" );
+  prereqsView->renameColumn( 0, "Prerequisite" );
+  setAboutInfo( prereqsView, tr( "The prerequisites that can be installed" ) );
+  prereqsView->setColumnAlignment( 1, Qt::AlignRight );
+  leftBoxLayout->addWidget( prereqsView );
+  // ... 'Show/Hide prerequisites' button
+  moreBtn = new QPushButton( tr( "Show prerequisites..." ), productsPage );
+  setAboutInfo( moreBtn, tr( "Click to show list of prerequisites" ) );
+  leftBoxLayout->addWidget( moreBtn );
+  //
+  // create right column widgets
+  //
+  // ... info box
+  productInfo = new QTextBrowser( productsPage );
+  productInfo->setFrameShape( QFrame::LineEditPanel );
+  productInfo->setPaletteBackgroundColor( productsPage->paletteBackgroundColor() );
+  setAboutInfo( productInfo, tr( "Short information about the product being selected" ) );
+  // ... disk space labels
+  QLabel* reqLab1 = new QLabel( tr( "Disk space required:" ), productsPage );
+  setAboutInfo( reqLab1, tr( "Total disk space required for the installation\nof the selected products" ) );
+  requiredSize = new QLabel( productsPage );
+  setAboutInfo( requiredSize, tr( "Total disk space required for the installation\nof the selected products" ) );
+  requiredSize->setAlignment( Qt::AlignRight );
+  QLabel* reqLab2 = new QLabel( tr( "Space for temporary files:" ), productsPage );
+  setAboutInfo( reqLab2, tr( "Disk space required for the temporary files" ) );
+  requiredTemp = new QLabel( productsPage );
+  setAboutInfo( requiredTemp, tr( "Disk space required for the temporary files" ) );
+  requiredTemp->setAlignment( Qt::AlignRight );
+  QLabel* reqLab3 = new QLabel( tr( "Available disk space:" ), productsPage );
+  setAboutInfo( reqLab3, tr( "Disk space available on the selected device" ) );
+  availableSize = new QLabel( productsPage );
+  setAboutInfo( availableSize, tr( "Disk space available on the selected device" ) );
+  availableSize->setAlignment( Qt::AlignRight );
+  // layout size widgets
   QGridLayout* sizeLayout = new QGridLayout; sizeLayout->setMargin( 0 ); sizeLayout->setSpacing( 6 );
-  sizeLayout->addWidget( reqLab1,      0, 0 );
-  sizeLayout->addWidget( requiredSize, 0, 1 );
-  sizeLayout->addWidget( reqLab2,      1, 0 );
-  sizeLayout->addWidget( requiredTemp, 1, 1 );
-  // prerequisites checkbox
-  prerequisites = new QCheckBox( tr( "Auto set prerequisites products" ), moreBox );
-  prerequisites->setChecked( true );
-  QWhatsThis::add( prerequisites, tr( "Check this if you want prerequisites products to be set on automatically" ) );
-  QToolTip::add  ( prerequisites, tr( "Check this if you want prerequisites products to be set on automatically" ) );
-  // <Unselect All> button
-  unselectBtn  = new QPushButton( tr( "&Unselect All" ), moreBox );
-  QWhatsThis::add( unselectBtn, tr( "Unselects all products" ) );
-  QToolTip::add  ( unselectBtn, tr( "Unselects all products" ) );
-  // <SALOME sources> / <SALOME binaries> tri-state checkboxes
-  selectSrcBtn  = new QMyCheckBox( tr( "SALOME sources" ), moreBox );
-  selectSrcBtn->setTristate( true );
-  QWhatsThis::add( selectSrcBtn, tr( "Selects/unselects SALOME sources" ) );
-  QToolTip::add  ( selectSrcBtn, tr( "Selects/unselects SALOME sources" ) );
-  selectBinBtn  = new QMyCheckBox( tr( "SALOME binaries" ), moreBox );
-  selectBinBtn->setTristate( true );
-  QWhatsThis::add( selectBinBtn, tr( "Selects/unselects SALOME binaries" ) );
-  QToolTip::add  ( selectBinBtn, tr( "Selects/unselects SALOME binaries" ) );
-  QVBoxLayout* btnLayout = new QVBoxLayout; btnLayout->setMargin( 0 ); btnLayout->setSpacing( 6 );
-  btnLayout->addWidget( unselectBtn );
-  btnLayout->addWidget( selectSrcBtn );
-  btnLayout->addWidget( selectBinBtn );
-  // layouting advancet mode widgets
-  moreBoxLayout->addMultiCellWidget( tempLab,      0, 0, 0, 2 );
-  moreBoxLayout->addMultiCellWidget( tempFolder,   1, 1, 0, 1 );
-  moreBoxLayout->addWidget         ( tempBtn,      1,    2    );
-  moreBoxLayout->addMultiCellWidget( productsView, 2, 5, 0, 0 );
-  moreBoxLayout->addMultiCellWidget( productsInfo, 2, 2, 1, 2 );
-  moreBoxLayout->addMultiCellWidget( prerequisites,3, 3, 1, 2 );
-  moreBoxLayout->addMultiCellLayout( btnLayout,    4, 4, 1, 2 );
-  moreBoxLayout->addMultiCellLayout( sizeLayout,   5, 5, 1, 2 );
-  // <More...> button
-  moreBtn = new QPushButton( tr( "More..." ), productsPage );
-  // layouting
-  pageLayout->addMultiCellWidget( targetLab,    0, 0, 0, 1 );
-  pageLayout->addWidget         ( targetFolder, 1,    0    );
-  pageLayout->addWidget         ( targetBtn,    1,    1    );
-  pageLayout->addMultiCellWidget( moreBox,      2, 2, 0, 1 );
-  pageLayout->addWidget         ( moreBtn,      3,    1    );
-  pageLayout->setRowStretch( 2, 5 );
-  //pageLayout->addRowSpacing( 6, 10 );
-  // xml reader
-  QFile xmlfile(xmlFileName);
-  if ( xmlfile.exists() ) {
-    QXmlInputSource source( &xmlfile );
-    QXmlSimpleReader reader;
-
-    StructureParser* handler = new StructureParser( this );
-    handler->setProductsList(productsView);
-    handler->setTargetDir(targetFolder);
-    handler->setTempDir(tempFolder);
-    reader.setContentHandler( handler );
-    reader.parse( source );  
-  }
-  // set first item to be selected
-  if ( productsView->childCount() > 0 ) {
-    productsView->setSelected( productsView->firstChild(), true );
-    onSelectionChanged();
-  }
+  sizeLayout->addWidget( reqLab1,       0, 0 );
+  sizeLayout->addWidget( requiredSize,  0, 1 );
+  sizeLayout->addWidget( reqLab2,       1, 0 );
+  sizeLayout->addWidget( requiredTemp,  1, 1 );
+  sizeLayout->addWidget( reqLab3,       2, 0 );
+  sizeLayout->addWidget( availableSize, 2, 1 );
+
+  // layout common widgets
+  pageLayout->addMultiCellLayout( leftBoxLayout, 0, 1, 0, 0 );
+  pageLayout->addWidget         ( productInfo,   0,    1    );
+  pageLayout->addLayout         ( sizeLayout,    1,    1    );
+
   // adding page
-  addPage( productsPage, tr( "Installation settings" ) );
-  // connecting signals
-  connect( productsView, SIGNAL( selectionChanged() ), 
-                                              this, SLOT( onSelectionChanged() ) );
-  connect( productsView, SIGNAL( itemToggled( QCheckListItem* ) ), 
-                                              this, SLOT( onItemToggled( QCheckListItem* ) ) );
-  connect( unselectBtn,  SIGNAL( clicked() ), this, SLOT( onProdBtn() ) );
-  connect( selectSrcBtn, SIGNAL( stateChanged(int) ), 
-	                                      this, SLOT( onProdBtn() ) );
-  connect( selectBinBtn, SIGNAL( stateChanged(int) ), 
-	                                      this, SLOT( onProdBtn() ) );
+  addPage( productsPage, tr( "Choice of the products to be installed" ) );
+
   // connecting signals
-  connect( targetFolder, SIGNAL( textChanged( const QString& ) ),
-                                              this, SLOT( directoryChanged( const QString& ) ) );
-  connect( targetBtn,    SIGNAL( clicked() ), this, SLOT( browseDirectory() ) );
-  connect( tempFolder,   SIGNAL( textChanged( const QString& ) ),
-                                              this, SLOT( directoryChanged( const QString& ) ) );
-  connect( tempBtn,      SIGNAL( clicked() ), this, SLOT( browseDirectory() ) );
-  connect( moreBtn,      SIGNAL( clicked() ), this, SLOT( onMoreBtn() ) );
-  // start on default - non-advanced - mode
-  moreBox->hide();
+  connect( modulesView,   SIGNAL( selectionChanged() ),
+	   this, SLOT( onSelectionChanged() ) );
+  connect( prereqsView,   SIGNAL( selectionChanged() ),
+	   this, SLOT( onSelectionChanged() ) );
+  connect( modulesView,   SIGNAL( clicked ( QListViewItem * item ) ),
+	   this, SLOT( onSelectionChanged() ) );
+  connect( prereqsView,   SIGNAL( clicked ( QListViewItem * item ) ),
+	   this, SLOT( onSelectionChanged() ) );
+  connect( modulesView,   SIGNAL( itemToggled( QCheckListItem* ) ),
+	   this, SLOT( onItemToggled( QCheckListItem* ) ) );
+  connect( prereqsView,   SIGNAL( itemToggled( QCheckListItem* ) ),
+	   this, SLOT( onItemToggled( QCheckListItem* ) ) );
+  connect( installGuiBtn, SIGNAL( toggled( bool ) ), 
+	   this, SLOT( onInstallGuiBtn() ) );
+  connect( moreBtn, SIGNAL( clicked() ), this, SLOT( onMoreBtn() ) );
+  // start on default - non-advanced mode
+  prereqsView->hide();
 }
 // ================================================================
 /*!
@@ -694,18 +1157,15 @@ void SALOME_InstallWizard::setupCheckPage()
 {
   // create page
   prestartPage = new QWidget( this, "PrestartPage" );
-  QVBoxLayout* pageLayout = new QVBoxLayout( prestartPage ); 
+  QVBoxLayout* pageLayout = new QVBoxLayout( prestartPage );
   pageLayout->setMargin( 0 ); pageLayout->setSpacing( 6 );
   // choice text view
   choices = new QTextEdit( prestartPage );
   choices->setReadOnly( true );
   choices->setTextFormat( RichText );
   choices->setUndoRedoEnabled ( false );
-  QWhatsThis::add( choices, tr( "Displays information about installation settings you made" ) );
-  QToolTip::add  ( choices, tr( "Displays information about installation settings you made" ) );
-  QPalette pal = choices->palette();
-  pal.setColor( QColorGroup::Base, QApplication::palette().active().background() );
-  choices->setPalette( pal );
+  setAboutInfo( choices, tr( "Information about the installation choice you have made" ) );
+  choices->setPaletteBackgroundColor( prestartPage->paletteBackgroundColor() );
   choices->setMinimumHeight( 10 );
   // layouting
   pageLayout->addWidget( choices );
@@ -723,14 +1183,14 @@ void SALOME_InstallWizard::setupProgressPage()
 {
   // create page
   progressPage = new QWidget( this, "progressPage" );
-  QGridLayout* pageLayout = new QGridLayout( progressPage ); 
+  QGridLayout* pageLayout = new QGridLayout( progressPage );
   pageLayout->setMargin( 0 ); pageLayout->setSpacing( 6 );
   // top splitter
   splitter = new QSplitter( Vertical, progressPage );
   splitter->setOpaqueResize( true );
   // the parent for the widgets
   QWidget* widget = new QWidget( splitter );
-  QGridLayout* layout = new QGridLayout( widget ); 
+  QGridLayout* layout = new QGridLayout( widget );
   layout->setMargin( 0 ); layout->setSpacing( 6 );
   // installation progress view box
   installInfo = new InstallInfo( widget );
@@ -739,13 +1199,11 @@ void SALOME_InstallWizard::setupProgressPage()
   installInfo->setUndoRedoEnabled ( false );
   installInfo->setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Expanding ) );
   installInfo->setMinimumSize( 100, 10 );
-  QWhatsThis::add( installInfo, tr( "Displays installation process" ) );
-  QToolTip::add  ( installInfo, tr( "Displays installation process" ) );
+  setAboutInfo( installInfo, tr( "Installation process output" ) );
   // parameters for the script
   parametersLab = new QLabel( tr( "Enter your answer here:" ), widget );
   passedParams = new QLineEdit ( widget );
-  QWhatsThis::add( passedParams, tr( "Use this field to enter answer for the running script when it is necessary") );
-  QToolTip::add  ( passedParams, tr( "Use this field to enter answer for the running script when it is necessary") );
+  setAboutInfo( passedParams, tr( "Use this field to enter the answer\nfor the running script when it is necessary") );
   // VSR: 10/11/05 - disable answer mode ==>
   parametersLab->hide();
   passedParams->hide();
@@ -757,21 +1215,23 @@ void SALOME_InstallWizard::setupProgressPage()
   layout->addRowSpacing( 3, 6 );
   // the parent for the widgets
   widget = new QWidget( splitter );
-  layout = new QGridLayout( widget ); 
+  layout = new QGridLayout( widget );
   layout->setMargin( 0 ); layout->setSpacing( 6 );
   // installation results view box
   QLabel* resultLab = new QLabel( tr( "Installation Status:" ), widget );
   progressView = new ProgressView( widget );
   progressView->setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Expanding ) );
   progressView->setMinimumSize( 100, 10 );
-  QWhatsThis::add( progressView, tr( "Displays installation status" ) );
-  QToolTip::add  ( progressView, tr( "Displays installation status" ) );
+  statusLab = new QLabel( widget );
+  statusLab->setFrameShape( QButtonGroup::LineEditPanel );
+  setAboutInfo( progressView, tr( "Installation status on the selected products" ) );
   // layouting
   layout->addRowSpacing( 0, 6 );
   layout->addWidget( resultLab,    1, 0 );
   layout->addWidget( progressView, 2, 0 );
+  layout->addWidget( statusLab,    3, 0 );
   // layouting
-  pageLayout->addWidget( splitter, 0, 0 );
+  pageLayout->addWidget( splitter,  0, 0 );
   // adding page
   addPage( progressPage, tr( "Installation progress" ) );
   // connect signals
@@ -786,33 +1246,28 @@ void SALOME_InstallWizard::setupProgressPage()
 void SALOME_InstallWizard::setupReadmePage()
 {
   // create page
-  readmePage = new QWidget( this, "ReadmePage" );
-  QVBoxLayout* pageLayout = new QVBoxLayout( readmePage ); 
+  readmePage = new QWidget( this, "readmePage" );
+  QVBoxLayout* pageLayout = new QVBoxLayout( readmePage );
   pageLayout->setMargin( 0 ); pageLayout->setSpacing( 6 );
   // README info text box
   readme = new QTextEdit( readmePage );
   readme->setReadOnly( true );
   readme->setTextFormat( PlainText );
-  readme->setFont( QFont( "Fixed", 10 ) );
+  readme->setFont( QFont( "Fixed", 12 ) );
   readme->setUndoRedoEnabled ( false );
-  QWhatsThis::add( readme, tr( "Displays README information" ) );
-  QToolTip::add  ( readme, tr( "Displays README information" ) );
-  QPalette pal = readme->palette();
-  pal.setColor( QColorGroup::Base, QApplication::palette().active().background() );
-  readme->setPalette( pal );
+  setAboutInfo( readme, tr( "README information" ) );
+  readme->setPaletteBackgroundColor( readmePage->paletteBackgroundColor() );
   readme->setMinimumHeight( 10 );
-  // <Launch SALOME> button
-  runSalomeBtn = new QPushButton( tr( "Launch SALOME" ), readmePage );
-  QWhatsThis::add( runSalomeBtn, tr( "Click this button to run SALOME desktop" ) );
-  QToolTip::add  ( runSalomeBtn, tr( "Click this button to run SALOME desktop" ) );
-  QHBoxLayout* hLayout = new QHBoxLayout;
-  hLayout->addWidget( runSalomeBtn ); hLayout->addStretch();
-  // layouting
+
   pageLayout->addWidget( readme );
   pageLayout->setStretchFactor( readme, 5 );
+
+  // Operation buttons
+  QHBoxLayout* hLayout = new QHBoxLayout( -1, "finishButtons" );
+  hLayout->setMargin( 0 ); hLayout->setSpacing( 6 );
+  hLayout->addStretch();
   pageLayout->addLayout( hLayout );
-  // connecting signals
-  connect( runSalomeBtn, SIGNAL( clicked() ), this, SLOT( onLaunchSalome() ) );
+
   // loading README file
   QString readmeFile = QDir::currentDirPath() + "/README";
   QString text;
@@ -820,6 +1275,7 @@ void SALOME_InstallWizard::setupReadmePage()
     readme->setText( text );
   else
     readme->setText( tr( "README file has not been found" ) );
+
   // adding page
   addPage( readmePage, tr( "Finish installation" ) );
 }
@@ -838,23 +1294,22 @@ void SALOME_InstallWizard::showChoiceInfo()
   int nbProd = 0;
   QString text;
 
-  if ( !xmlFileName.isEmpty() ) {
-    text += tr( "Configuration file" )+ ": <b>" + xmlFileName + "</b><br>";
-    text += "<br>";
-  }
-  if ( !myOS.isEmpty() ) {
-    text += tr( "Reference Linux platform" ) + ": <b>" + myOS + "</b><br>";
-    text += "<br>";
-  }
-  text += tr( "Native products to be used" ) + ":<ul>";
-  QCheckListItem* item = (QCheckListItem*)( productsView->firstChild() );
+  text += tr( "Current Linux platform" )+ ": <b>" + (!curPlatform.isEmpty() ? curPlatform : QString( "Unknown" )) + "</b><br>";
+  if ( !refPlatform.isEmpty() )
+    text += tr( "Reference Linux platform" ) + ": <b>" + refPlatform + "</b><br>";
+  text += "<br>";
+
+  text += tr( "Target directory:" ) + " <b>" + QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() ) + "</b><br>";
+  text += tr( "Temporary directory:" ) + " <b>" + QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() ) + "</b><br>";
+  text += "<br>";
+
+  text += tr( "SALOME modules to be installed" ) + ":<ul>";
+  QCheckListItem* item = (QCheckListItem*)( modulesView->firstChild() );
   while( item ) {
     if ( productsMap.contains( item ) ) {
-      if ( item->childCount() > 0 ) {
-        if ( productsView->isNative( item ) ) {
-          text += "<li><b>" + item->text() + "</b><br>";
-          nbProd++;
-        }
+      if ( item->isOn() ) {
+	text += "<li><b>" + item->text() + "</b><br>";
+	nbProd++;
       }
     }
     item = (QCheckListItem*)( item->nextSibling() );
@@ -864,23 +1319,13 @@ void SALOME_InstallWizard::showChoiceInfo()
   }
   text += "</ul>";
   nbProd = 0;
-  text += tr( "Products to be installed" ) + ":<ul>";
-  item = (QCheckListItem*)( productsView->firstChild() );
+  text += tr( "Prerequisites to be installed" ) + ":<ul>";
+  item = (QCheckListItem*)( prereqsView->firstChild() );
   while( item ) {
     if ( productsMap.contains( item ) ) {
-      if ( item->childCount() > 0 ) {
-        if ( productsView->isBinaries( item ) ) {
-          text += "<li><b>" + item->text() + " " + item->text(1) + "</b> " + tr( "as binaries" ) + "<br>";
-          nbProd++;
-        }
-        else if ( productsView->isSources( item ) ) {
-          text+= "<li><b>" + item->text() + " " + item->text(1) + "</b> " + tr( "as sources" ) + "<br>";
-          nbProd++;
-        }
-      }
-      else if ( item->isOn() ) {
-        text+= "<li><b>" + item->text() + "</b><br>";
-        nbProd++;
+      if ( item->isOn() ) {
+	text += "<li><b>" + item->text() + " " + productsMap[ item ].getVersion() + "</b><br>";
+	nbProd++;
       }
     }
     item = (QCheckListItem*)( item->nextSibling() );
@@ -889,15 +1334,8 @@ void SALOME_InstallWizard::showChoiceInfo()
     text += "<li><b>" + tr( "none" ) + "</b><br>";
   }
   text += "</ul>";
-  text += tr( "Total disk space required:" ) + " <b>" + QString::number( totSize ) + " Kb</b><br>" ;
-  text += tr( "Space for temporary files required:" ) + " <b>" + QString::number( tempSize ) + " Kb</b><br>" ;
-  text += "<br>";
-  text += tr( "Target directory:" ) + " <b>" + QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() ) + "</b><br>";
-  // VSR: Temporary folder is used always now and it is not necessary to disable it -->
-  // if ( tempSize > 0 )
-  // VSR: <----------------------------------------------------------------------------
-  text += tr( "Temporary directory:" ) + " <b>" + QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() ) + "</b><br>";
-  text += "<br>";
+  text += tr( "Total disk space required:" ) + " <b>" + QString::number( totSize ) + " KB</b><br>" ;
+  text += tr( "Space for temporary files required:" ) + " <b>" + QString::number( tempSize ) + " KB</b><br>" ;
   choices->setText( text );
 }
 // ================================================================
@@ -910,81 +1348,104 @@ bool SALOME_InstallWizard::acceptData( const QString& pageTitle )
 {
   QString tmpstr;
   QWidget* aPage = InstallWizard::page( pageTitle );
-  if ( aPage == productsPage ) {
-    // ########## check if any products are selected to be installed
-    long totSize, tempSize;
-    bool anySelected = checkSize( &totSize, &tempSize );
-    if ( !anySelected ) {
-      QMessageBox::warning( this, 
-                            tr( "Warning" ), 
-                            tr( "Select one or more products to install" ), 
-                            QMessageBox::Ok, 
-                            QMessageBox::NoButton,
-                            QMessageBox::NoButton );
-      return false;
+  if ( aPage == typePage ) {
+    // installation type page
+    if ( installType == Binaries ) { // 'Binary' installation type
+      // check binaries directory
+      QFileInfo fib( QDir::cleanDirPath( getBinPath() ) );
+      if ( !fib.exists() ) {
+	QMessageBox::warning( this,
+			      tr( "Warning" ),
+			      tr( "The directory %1 doesn't exist.\n"
+				  "This directory must contain sources archives.\n").arg( fib.absFilePath() ),
+			      QMessageBox::Ok,
+			      QMessageBox::NoButton, 
+			      QMessageBox::NoButton );
+	return false;
+      }
+      // check sources directory
+      QFileInfo fis( QDir::cleanDirPath( getSrcPath() ) );
+      if ( !fis.exists() )
+	if ( QMessageBox::warning( this,
+				   tr( "Warning" ),
+				   tr( "The directory %1 doesn't exist.\n"
+				       "This directory must contain sources archives.\n"
+				       "Continue?" ).arg( fis.absFilePath() ),
+				   tr( "&Yes" ),
+				   tr( "&No" ), 
+				   QString::null, 1, 1 ) == 1 )
+	  return false;
     }
+    else { // 'Source' or 'Compile' installation type
+      // check sources directory
+      QFileInfo fis( QDir::cleanDirPath( getSrcPath() ) );
+      if ( !fis.exists() ) {
+	QMessageBox::warning( this,
+			      tr( "Warning" ),
+			      tr( "The directory %1 doesn't exist.\n"
+				  "This directory must contain sources archives.\n" ).arg( fis.absFilePath() ),
+			      QMessageBox::Ok,
+			      QMessageBox::NoButton, 
+			      QMessageBox::NoButton );
+	return false;
+      }
+    }
+  }
+
+  else if ( aPage == dirPage ) {
+    // installation platform page
     // ########## check target and temp directories (existence and available disk space)
     // get dirs
     QString targetDir = QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() );
     QString tempDir   = QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() );
-    // directories should differ
-//    if (!targetDir.isEmpty() && tempDir == targetDir) {
-//      QMessageBox::warning( this, 
-//			    tr( "Warning" ), 
-//			    tr( "Target and temporary directories must be different"), 
-//			    QMessageBox::Ok, 
-//			    QMessageBox::NoButton, 
-//			    QMessageBox::NoButton );
-//	return false;
-//    }
     // check target directory
     if ( targetDir.isEmpty() ) {
-      QMessageBox::warning( this, 
-                            tr( "Warning" ), 
-                            tr( "Please, enter valid target directory path" ), 
-                            QMessageBox::Ok, 
+      QMessageBox::warning( this,
+                            tr( "Warning" ),
+                            tr( "Please, enter valid target directory path" ),
+                            QMessageBox::Ok,
                             QMessageBox::NoButton,
                             QMessageBox::NoButton );
       return false;
     }
     QFileInfo fi( QDir::cleanDirPath( targetDir ) );
     if ( !fi.exists() ) {
-      bool toCreate = 
-	QMessageBox::warning( this, 
-			      tr( "Warning" ), 
+      bool toCreate =
+	QMessageBox::warning( this,
+			      tr( "Warning" ),
 			      tr( "The directory %1 doesn't exist.\n"
-				  "Create directory?" ).arg( fi.absFilePath() ), 
-			      QMessageBox::Yes, 
+				  "Create directory?" ).arg( fi.absFilePath() ),
+			      QMessageBox::Yes,
 			      QMessageBox::No,
 			      QMessageBox::NoButton ) == QMessageBox::Yes;
-      if ( !toCreate) 
+      if ( !toCreate)
 	return false;
       if ( !makeDir( fi.absFilePath(), tmpstr ) ) {
-	QMessageBox::critical( this, 
-			       tr( "Error" ), 
-			       tr( "Can't create the directory\n%1").arg( fi.absFilePath() ), 
-			       QMessageBox::Ok, 
-			       QMessageBox::NoButton, 
+	QMessageBox::critical( this,
+			       tr( "Error" ),
+			       tr( "Can't create the directory\n%1").arg( fi.absFilePath() ),
+			       QMessageBox::Ok,
+			       QMessageBox::NoButton,
 			       QMessageBox::NoButton );
 	return false;
       }
     }
     if ( !fi.isDir() ) {
-      QMessageBox::warning( this, 
-                            tr( "Warning" ), 
+      QMessageBox::warning( this,
+                            tr( "Warning" ),
                             tr( "%1 is not a directory.\n"
-				"Please, enter valid target directory path" ).arg( fi.absFilePath() ), 
-                            QMessageBox::Ok, 
+				"Please, enter valid target directory path" ).arg( fi.absFilePath() ),
+                            QMessageBox::Ok,
                             QMessageBox::NoButton,
                             QMessageBox::NoButton );
       return false;
     }
     if ( !fi.isWritable() ) {
-      QMessageBox::warning( this, 
-                            tr( "Warning" ), 
+      QMessageBox::warning( this,
+                            tr( "Warning" ),
                             tr( "The directory %1 is not writeable.\n"
-				"Please, enter valid target directory path or change permissions" ).arg( fi.absFilePath() ), 
-                            QMessageBox::Ok, 
+				"Please, enter valid target directory path or change permissions" ).arg( fi.absFilePath() ),
+                            QMessageBox::Ok,
                             QMessageBox::NoButton,
                             QMessageBox::NoButton );
       return false;
@@ -1000,173 +1461,145 @@ bool SALOME_InstallWizard::acceptData( const QString& pageTitle )
 			       QMessageBox::NoButton ) == QMessageBox::No ) {
       return false;
     }
-    QString binDir = "./Products/BINARIES";
-    if ( !myOS.isEmpty() )
-      binDir += "/" + myOS;
-    QFileInfo fib( QDir::cleanDirPath( binDir ) );
-    if ( !fib.exists() ) {
-      QMessageBox::warning( this, 
-			    tr( "Warning" ), 
-			    tr( "The directory %1 doesn't exist.\n"
-				"This directory must contain binaries archives." ).arg( fib.absFilePath() ));
+    // check temp directory
+    if ( tempDir.isEmpty() ) {
+      QMessageBox::warning( this,
+			    tr( "Warning" ),
+			    tr( "Please, enter valid temporary directory path" ),
+			    QMessageBox::Ok,
+			    QMessageBox::NoButton,
+			    QMessageBox::NoButton );
+      return false;
+    }
+    QFileInfo fit( QDir::cleanDirPath( tempDir ) );
+    if ( !makeDir( fit.absFilePath() + TEMPDIRNAME, tmpCreated ) ) {
+      QMessageBox::critical( this,
+			     tr( "Error" ),
+ 			     tr( "Can't use temporary directory.\nCheck permissions for the %1 directory.").arg( fit.absFilePath() ),
+			     QMessageBox::Ok,
+			     QMessageBox::NoButton,
+			     QMessageBox::NoButton );
+      return false;
+    }
+  }
+
+  else if ( aPage == productsPage ) {
+    // products page
+    // ########## check if any products are selected to be installed
+    long totSize, tempSize;
+    bool anySelected = checkSize( &totSize, &tempSize );
+    if ( installType == Compile && removeSrcBtn->isOn() ) {
+      totSize += tempSize;
+    }
+    if ( !anySelected ) {
+      QMessageBox::warning( this,
+                            tr( "Warning" ),
+                            tr( "Select one or more products to install" ),
+                            QMessageBox::Ok,
+                            QMessageBox::NoButton,
+                            QMessageBox::NoButton );
+      return false;
     }
     // run script that checks available disk space for installing of products    // returns 1 in case of error
+    QFileInfo fi( QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() ) );
     QString script = "./config_files/checkSize.sh '";
     script += fi.absFilePath();
     script += "' ";
     script += QString( "%1" ).arg( totSize );
-    ___MESSAGE___( "script = " << script );
+    ___MESSAGE___( "script = " << script.latin1() );
     if ( system( script ) ) {
-      QMessageBox::critical( this, 
-                             tr( "Out of space" ), 
-                             tr( "There is no available disk space for installing of selected products" ), 
-                             QMessageBox::Ok, 
-                             QMessageBox::NoButton, 
+      QMessageBox::critical( this,
+                             tr( "Out of space" ),
+                             tr( "There is no available disk space for installing of selected products" ),
+                             QMessageBox::Ok,
+                             QMessageBox::NoButton,
                              QMessageBox::NoButton );
       return false;
     }
-    // check temp directory
-    if ( tempDir.isEmpty() ) {
-      if ( moreMode ) {
-	QMessageBox::warning( this, 
-			      tr( "Warning" ), 
-			      tr( "Please, enter valid temporary directory path" ), 
-			      QMessageBox::Ok, 
-			      QMessageBox::NoButton,
-			      QMessageBox::NoButton );
-	return false; 
-      }
-      else {
-	tempDir = "/tmp";
-	tempFolder->setText( tempDir );
-      }
-    }
-    QFileInfo fit( QDir::cleanDirPath( tempDir ) );
-    if ( !makeDir( fit.absFilePath() + TEMPDIRNAME, tmpCreated ) ) {
-      QMessageBox::critical( this, 
-			     tr( "Error" ), 
- 			     tr( "Can't use temporary directory.\nCheck permissions for the %1 directory.").arg( fit.absFilePath() ), 
-			     QMessageBox::Ok, 
-			     QMessageBox::NoButton, 
-			     QMessageBox::NoButton );
-      return false;
-    }
+    // AKL: 13/08/07 - skip tmp disk space checking (all files are unpacked into installation directory) ==>
+    /*
     // run script that check available disk space for temporary files
     // returns 1 in case of error
+    QFileInfo fit( QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() ) );
     QString tscript = "./config_files/checkSize.sh '";
     tscript += fit.absFilePath();
     tscript += "' ";
     tscript += QString( "%1" ).arg( tempSize );
-    ___MESSAGE___( "script = " << tscript );
+    ___MESSAGE___( "script = " << tscript.latin1() );
     if ( system( tscript ) ) {
-      QMessageBox::critical( this, 
-			     tr( "Out of space" ), 
-			     tr( "There is no available disk space for the temporary files" ), 
-			     QMessageBox::Ok, 
-			     QMessageBox::NoButton, 
+      QMessageBox::critical( this,
+			     tr( "Out of space" ),
+			     tr( "There is no available disk space for the temporary files" ),
+			     QMessageBox::Ok,
+			     QMessageBox::NoButton,
 			     QMessageBox::NoButton );
       return false;
-    }
-// VSR: <------------------------------------------------------------------------------
-    // ########## check native products
-    QCheckListItem* item = (QCheckListItem*)( productsView->firstChild() );
-    QStringList natives;
-    while( item ) {
-      if ( productsMap.contains( item ) ) {
-	if ( item->childCount() > 0 ) {
-	  // VSR : 29/01/05 : Check installation script even if product is not being installed
-	  //	  if ( !productsView->isNone( item ) ) {
-	    if ( item->text(2).isEmpty() || item->text(2).isNull() ) {
-	      QMessageBox::warning( this, 
-				    tr( "Error" ), 
-				    tr( "The installation script for %1 is not defined.").arg(item->text(0)), 
-				    QMessageBox::Ok, 
-				    QMessageBox::NoButton, 
+      }
+    */
+    // AKL: 13/08/07 - skip tmp disk space checking (all files are unpacked into installation directory) <==
+
+    // ########## check installation scripts
+    QCheckListItem* item;
+    ProductsView* prodsView = modulesView;
+    for ( int i = 0; i < 2; i++ ) {
+      item = (QCheckListItem*)( prodsView->firstChild() );
+      while( item ) {
+	if ( productsMap.contains( item ) && item->isOn() ) {
+	  // check installation script definition
+	  if ( item->text(2).isEmpty() || item->text(2).isNull() ) {
+	    QMessageBox::warning( this,
+				  tr( "Error" ),
+				  tr( "The installation script for %1 is not defined.").arg(item->text(0)),
+				  QMessageBox::Ok,
+				  QMessageBox::NoButton,
+				  QMessageBox::NoButton );
+	    if ( !moreMode ) onMoreBtn();
+	    QListView* listView = item->listView();
+	    listView->setCurrentItem( item );
+	    listView->setSelected( item, true );
+	    listView->ensureItemVisible( item );
+	    return false;
+	  }
+	  // check installation script existence
+	  else {
+	    QFileInfo fi( QString("./config_files/") + item->text(2) );
+	    if ( !fi.exists() || !fi.isExecutable() ) {
+	      QMessageBox::warning( this,
+				    tr( "Error" ),
+				    tr( "The script %1 required for %2 doesn't exist or doesn't have execute permissions.").arg("./config_files/" + item->text(2)).arg(item->text(0)),
+				    QMessageBox::Ok,
+				    QMessageBox::NoButton,
 				    QMessageBox::NoButton );
-              if ( !moreMode )
-	        onMoreBtn();
-	      productsView->setCurrentItem( item );
-	      productsView->setSelected( item, true );
-	      productsView->ensureItemVisible( item );
-	      //productsView->setNone( item );
+	      if ( !moreMode ) onMoreBtn();
+	      QListView* listView = item->listView();
+	      listView->setCurrentItem( item );
+	      listView->setSelected( item, true );
+	      listView->ensureItemVisible( item );
 	      return false;
-	    } else {
-	      QFileInfo fi( QString("./config_files/") + item->text(2) );
-	      if ( !fi.exists() || !fi.isExecutable() ) {
-		QMessageBox::warning( this, 
-				      tr( "Error" ),  
-				      tr( "The script %1 required for %2 doesn't exist or doesn't have execute permissions.").arg("./config_files/" + item->text(2)).arg(item->text(0)),  
-				      QMessageBox::Ok, 
-				      QMessageBox::NoButton, 
-				      QMessageBox::NoButton );
-                if ( !moreMode )
-	          onMoreBtn();
-	        productsView->setCurrentItem( item );
-	        productsView->setSelected( item, true );
-	        productsView->ensureItemVisible( item );
-		//productsView->setNone( item );
-		return false;
-	      }	      
 	    }
-	    //	  }
-	  // collect native products
-	  if ( productsView->isNative( item ) ) {
-	    if ( natives.find( item->text(0) ) == natives.end() )
-	      natives.append( item->text(0) );
-	  } 
-	  else if ( productsView->isBinaries( item ) || productsView->isSources( item ) ) {
-	    QStringList dependOn = productsMap[ item ].getDependancies();
-	    for ( int i = 0; i < (int)dependOn.count(); i++ ) {
-	      QCheckListItem* depitem = findItem( dependOn[ i ] );
-	      if ( depitem ) {
-		if ( productsView->isNative( depitem ) && natives.find( depitem->text(0) ) == natives.end() )
-		  natives.append( depitem->text(0) );
-	      } 
-	      else {
-		QMessageBox::warning( this, 
-				      tr( "Error" ), 
-				      tr( "%1 is required for %2 %3 installation.\n"
-					  "This product is missing in the configuration file %4.").arg(dependOn[ i ]).arg(item->text(0)).arg(item->text(1)).arg(xmlFileName), 
-				      QMessageBox::Ok, 
-				      QMessageBox::NoButton, 
-				      QMessageBox::NoButton );
-		return false;
-	      }
+	  }
+	  // check installation scripts dependencies
+	  QStringList dependOn = productsMap[ item ].getDependancies();
+	  QString version = productsMap[ item ].getVersion();
+	  for ( int i = 0; i < (int)dependOn.count(); i++ ) {
+	    QCheckListItem* depitem = findItem( dependOn[ i ] );
+	    if ( !depitem ) {
+	      QMessageBox::warning( this,
+				    tr( "Error" ),
+				    tr( "%1 is required for %2 %3 installation.\n"
+					"This product is missing in the configuration file %4.").arg(dependOn[ i ]).arg(item->text(0)).arg(version).arg(xmlFileName),
+				    QMessageBox::Ok,
+				    QMessageBox::NoButton,
+				    QMessageBox::NoButton );
+	      return false;
 	    }
 	  }
 	}
+	item = (QCheckListItem*)( item->nextSibling() );
       }
-      item = (QCheckListItem*)( item->nextSibling() );
-    }
-    QString tmpFolder = QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() ) + TEMPDIRNAME;
-    QString tgtFolder = QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() );
-    myThread->clearCommands();
-    if ( natives.count() > 0 ) {
-      for ( unsigned i = 0; i < natives.count(); i++ ) {
-	item = findItem( natives[ i ] );
-	if ( item ) {
-	  QString dependOn = productsMap[ item ].getDependancies().join(" ");
-	  QString script = "cd ./config_files/;" + item->text(2) + " try_native " +
-	          QFileInfo( tmpFolder ).absFilePath() + " " + QDir::currentDirPath() + "/Products " + QFileInfo( tgtFolder ).absFilePath() + " " +
-		  QUOTE(dependOn) + " " + item->text(0);
-
-	  myThread->addCommand( item, script );
-	}
-	else {
-	  QMessageBox::warning( this, 
-			        tr( "Warning" ), 
-			        tr( "%The product %1 %2 required for installation.\n"
-				    "This product is missing in the configuration file %4.").arg(item->text(0)).arg(item->text(1)).arg(xmlFileName),
-			        QMessageBox::Ok, 
-			        QMessageBox::NoButton, 
-			        QMessageBox::NoButton );
-	  return false;
-	}
-      }
-      WarnDialog::showWarnDlg( this, true );
-      myThread->start();
-      return true; // return in order to avoid default postValidateEvent() action
+      prodsView = prereqsView;
     }
+//     return true; // return in order to avoid default postValidateEvent() action
   }
   return InstallWizard::acceptData( pageTitle );
 }
@@ -1179,30 +1612,106 @@ bool SALOME_InstallWizard::acceptData( const QString& pageTitle )
 bool SALOME_InstallWizard::checkSize( long* totSize, long* tempSize )
 {
   long tots = 0, temps = 0;
+  long maxSrcTmp = 0;
   int nbSelected = 0;
 
   MapProducts::Iterator mapIter;
   for ( mapIter = productsMap.begin(); mapIter != productsMap.end(); ++mapIter ) {
     QCheckListItem* item = mapIter.key();
     Dependancies dep = mapIter.data();
-    if ( productsView->isBinaries( item ) ) {
-      tots += dep.getSize();
-    }
-    else if ( productsView->isSources( item ) ) {
-      tots += dep.getSize(true);
-      temps = max( temps, dep.getTempSize() );
-    }
-    if ( !productsView->isNone( item ) )
-      nbSelected++;
+    if ( !item->isOn() )
+      continue;
+    tots += ( QStringList::split( " ", item->text(1) )[0] ).toLong();
+    maxSrcTmp = max( maxSrcTmp, dep.getSize( Compile ) - dep.getSize( Binaries ) );
+    temps += dep.getTempSize( installType );
+    nbSelected++;
   }
- 
+
   if ( totSize )
+    if ( installType == Compile && removeSrcBtn->isOn() )
+      temps += maxSrcTmp;
     *totSize = tots;
   if ( tempSize )
     *tempSize = temps;
   return ( nbSelected > 0 );
 }
 // ================================================================
+/*!
+ *  SALOME_InstallWizard::updateAvailableSpace
+ *  Slot to update 'Available disk space' field
+ */
+// ================================================================
+void SALOME_InstallWizard::updateAvailableSpace()
+{
+  if ( diskSpaceProc->normalExit() )
+    availableSize->setText( diskSpaceProc->readLineStdout() + " KB");
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::checkFLibResult
+ *  Slot to take result of Fortran libraries checking
+ */
+// ================================================================
+void SALOME_InstallWizard::checkFLibResult()
+{
+  if ( checkFLibProc->normalExit() && checkFLibProc->exitStatus() == 1 ) {
+    QStringList notFoundLibsList;
+    QString record = "";
+    while ( checkFLibProc->canReadLineStdout() ) {
+      record = checkFLibProc->readLineStdout();
+      if ( !record.isEmpty() && !notFoundLibsList.contains( record ) )
+	notFoundLibsList.append( record );
+    }
+    QMessageBox::warning( this,
+			  tr( "Warning" ),
+			  tr( "The following libraries are absent on current system:\n"
+			  "%1").arg( notFoundLibsList.join( "\n" ) ),
+			  QMessageBox::Ok,
+			  QMessageBox::NoButton,
+			  QMessageBox::NoButton );
+  }
+  // Update GUI and check installation errors
+  completeInstallation();
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::updateSizeColumn
+ *  Sets required size for each product according to 
+ *  installation type and 'Remove SRC & TMP' checkbox state
+ */
+// ================================================================
+void SALOME_InstallWizard::updateSizeColumn()
+{
+  long prodSize = 0;
+  bool removeSrc = removeSrcBtn->isChecked();
+  MapProducts::Iterator mapIter;
+  for ( mapIter = productsMap.begin(); mapIter != productsMap.end(); ++mapIter ) {
+    QCheckListItem* item = mapIter.key();
+    Dependancies dep = mapIter.data();
+    // get required size for current product
+    long binSize = dep.getSize( Binaries );
+    long srcSize = dep.getSize( Sources );
+    long bldSize = dep.getSize( Compile );
+    InstallationType instType = getInstType();
+    if ( instType == Binaries ) {
+      if ( dep.getType() == "component" )
+	prodSize = binSize + srcSize;
+      else
+	prodSize = ( binSize != 0 ? binSize : srcSize );
+    }
+    else if ( instType == Sources )
+      prodSize = srcSize;
+    else
+      if ( removeSrc )
+	prodSize = ( binSize != 0 ? binSize : srcSize );
+      else {
+	prodSize = ( bldSize != 0 ? bldSize : srcSize );
+      }
+    // fill in 'Size' field
+    item->setText( 1, QString::number( prodSize )+" KB" );
+  }
+}
+// ================================================================
 /*!
  *  SALOME_InstallWizard::checkProductPage
  *  Checks products page validity (directories and products selection) and
@@ -1211,48 +1720,29 @@ bool SALOME_InstallWizard::checkSize( long* totSize, long* tempSize )
 // ================================================================
 void SALOME_InstallWizard::checkProductPage()
 {
+  if ( this->currentPage() != productsPage )
+    return;
   long tots = 0, temps = 0;
-
   // check if any product is selected;
   bool isAnyProductSelected = checkSize( &tots, &temps );
-  // check if target directory is valid
-  bool isTargetDirValid = !targetFolder->text().stripWhiteSpace().isEmpty();
-  // check if temp directory is valid
-  bool isTempDirValid = !moreMode || !tempFolder->text().stripWhiteSpace().isEmpty();
 
   // update required size information
-  requiredSize->setText( QString::number( tots )  + " Kb");
-  requiredTemp->setText( QString::number( temps ) + " Kb");
-  
-  // update <SALOME sources>, <SALOME binaries> check boxes state
-  int totSrc = 0, selSrc = 0;
-  int totBin = 0, selBin = 0;
-  MapProducts::Iterator itProd;
-  for ( itProd = productsMap.begin(); itProd != productsMap.end(); ++itProd ) {
-    bool srcctx = itProd.data().hasContext( "salome sources" );
-    bool binctx = itProd.data().hasContext( "salome binaries" );
-    if ( srcctx ) totSrc++;
-    if ( binctx ) totBin++;
-    if ( srcctx && !binctx && productsView->isSources( itProd.key() ) )
-      selSrc++;
-    if ( !srcctx && binctx && productsView->isBinaries( itProd.key() ) )
-      selBin++;
-    if ( srcctx && binctx && 
-	 ( productsView->isSources( itProd.key() ) || 
-	   productsView->isBinaries( itProd.key() ) ) ) {
-      selSrc++;
-      selBin++;
-    }
-  }
-  selectSrcBtn->blockSignals( true );
-  selectBinBtn->blockSignals( true );
-  selectSrcBtn->setState( selSrc == 0 ? QButton::Off : ( selSrc == totSrc ? QButton::On : QButton::NoChange  ) );
-  selectBinBtn->setState( selBin == 0 ? QButton::Off : ( selBin == totBin ? QButton::On : QButton::NoChange  ) );
-  selectSrcBtn->blockSignals( false );
-  selectBinBtn->blockSignals( false );
+  requiredSize->setText( QString::number( tots )  + " KB");
+  requiredTemp->setText( QString::number( temps ) + " KB");
+
+  // update available size information
+  QFileInfo fi( QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() ) );
+  if ( fi.exists() ) {
+    diskSpaceProc->clearArguments();
+    QString script = "./config_files/diskSpace.sh";
+    diskSpaceProc->addArgument( script );
+    diskSpaceProc->addArgument( fi.absFilePath() );
+    // run script
+    diskSpaceProc->start();
+  }
 
   // enable/disable "Next" button
-  setNextEnabled( productsPage, isAnyProductSelected && isTargetDirValid && isTempDirValid );
+  setNextEnabled( productsPage, isAnyProductSelected );
 }
 // ================================================================
 /*!
@@ -1264,25 +1754,87 @@ void SALOME_InstallWizard::setPrerequisites( QCheckListItem* item )
 {
   if ( !productsMap.contains( item ) )
     return;
-  if ( productsView->isNone( item ) )
+  if ( !item->isOn() )
     return;
   // get all prerequisites
   QStringList dependOn = productsMap[ item ].getDependancies();
+  // install MED without GUI case
+  if ( installGuiBtn->state() != QButton::On && item->text(0) == "MED" ) {
+    dependOn.remove( "GUI" );
+  }
+  // setting prerequisites
   for ( int i = 0; i < (int)dependOn.count(); i++ ) {
     MapProducts::Iterator itProd;
     for ( itProd = productsMap.begin(); itProd != productsMap.end(); ++itProd ) {
       if ( itProd.data().getName() == dependOn[ i ] ) {
-	if ( productsView->isNone( itProd.key() ) ) {
-	  QString defMode = itProd.data().getDefault();
-	  if ( defMode.isEmpty() )
-	    defMode = tr( "install binaries" );
-	  if ( defMode == tr( "install binaries" ) )
-	    productsView->setBinaries( itProd.key() );
-	  else if ( defMode == tr( "install sources" ) )
-	    productsView->setSources( itProd.key() );
-	  else if ( defMode == tr( "use native" ) )
-	    productsView->setNative( itProd.key() );
-	  setPrerequisites( itProd.key() );
+ 	if ( itProd.data().getType() == "component" && !itProd.key()->isOn() )
+	  itProd.key()->setOn( true );
+	else if ( itProd.data().getType() == "prerequisite" ) {
+	  itProd.key()->setOn( true );
+	  itProd.key()->setEnabled( false );
+	}
+      }
+    }
+  }
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::unsetPrerequisites
+ *  Unsets all modules which depend of the unchecked product ( recursively )
+ */
+// ================================================================
+void SALOME_InstallWizard::unsetPrerequisites( QCheckListItem* item )
+{
+  if ( !productsMap.contains( item ) )
+    return;
+  if ( item->isOn() )
+    return;
+
+// uncheck dependent products
+  QString itemName = productsMap[ item ].getName();
+  MapProducts::Iterator itProd;
+  for ( itProd = productsMap.begin(); itProd != productsMap.end(); ++itProd ) {
+    if ( itProd.data().getType() == productsMap[ item ].getType() ) {
+      QStringList dependOn = itProd.data().getDependancies();
+      // install MED without GUI case
+      if ( installGuiBtn->state() != QButton::On && itemName == "GUI" ) {
+	dependOn.remove( "MED" );
+      }
+      for ( int i = 0; i < (int)dependOn.count(); i++ ) {
+	if ( dependOn[ i ] == itemName ) {
+ 	  if ( itProd.key()->isOn() ) {
+	    itProd.key()->setOn( false );
+ 	  }
+	}
+      }
+    }
+  }
+
+// uncheck prerequisites
+  int nbDependents;
+//   cout << "item name = " << productsMap[ item ].getName() << endl;
+  QStringList dependOnList = productsMap[ item ].getDependancies();
+  for ( int j = 0; j < (int)dependOnList.count(); j++ ) {
+    nbDependents = 0;
+    MapProducts::Iterator itProd1;
+    for ( itProd1 = productsMap.begin(); itProd1 != productsMap.end(); ++itProd1 ) {
+      if ( itProd1.data().getName() == dependOnList[ j ] ) {
+	if ( itProd1.data().getType() == "prerequisite" ) {
+	  MapProducts::Iterator itProd2;
+	  for ( itProd2 = productsMap.begin(); itProd2 != productsMap.end(); ++itProd2 ) {
+	    if ( itProd2.key()->isOn() ) {
+	      QStringList prereqsList = productsMap[ itProd2.key() ].getDependancies();
+	      for ( int k = 0; k < (int)prereqsList.count(); k++ ) {
+		if ( prereqsList[ k ] == itProd1.data().getName() ) {
+		  nbDependents++;
+		}
+	      }
+	    }
+	  }
+	  if ( nbDependents == 0 ) {
+	    itProd1.key()->setEnabled( true );
+	    itProd1.key()->setOn( false );
+	  }
 	}
       }
     }
@@ -1303,6 +1855,8 @@ void SALOME_InstallWizard::launchScript()
 
     // if found - set status to "completed"
     progressView->setStatus( prodProc, Completed );
+    // ... clear status label
+    statusLab->clear();
     // ... and call this method again
     launchScript();
     return;
@@ -1314,58 +1868,76 @@ void SALOME_InstallWizard::launchScript()
     // if found - set status to "processed" and run script
     progressView->setStatus( prodProc, Processing );
     progressView->ensureVisible( prodProc );
-
-    QCheckListItem* item = findItem( prodProc );
+    
+    QCheckListItem* item;
+    if ( prodProc != "gcc" )
+      item = findItem( prodProc );
     // fill in script parameters
     shellProcess->clearArguments();
     // ... script name
     shellProcess->setWorkingDirectory( QDir::cleanDirPath( QFileInfo( "./config_files/" ).absFilePath() ) );
-    shellProcess->addArgument( item->text(2) );
+    if ( prodProc != "gcc" )
+      shellProcess->addArgument( item->text(2) );
+    else
+      shellProcess->addArgument( "gcc-common.sh" );
 
     // ... temp folder
     QString tmpFolder = QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() ) + TEMPDIRNAME;
     //if( !tempFolder->isEnabled() )
-    //tmpFolder = "/tmp";
+    //  tmpFolder = "/tmp";
 
+    // ... not install : try to find preinstalled
+    if ( !progressView->isVisible( prodProc ) ) {
+      shellProcess->addArgument( "try_preinstalled" );
+      shellProcess->addArgument( QFileInfo( tmpFolder ).absFilePath() );
+      shellProcess->addArgument( QDir::currentDirPath() + "/Products" );
+      statusLab->setText( tr( "Collecting environment for '" ) + prodProc + "'..." );
+    }
     // ... binaries ?
-    if ( productsView->isBinaries( item ) ) {
+    else if ( installType == Binaries ) {
       shellProcess->addArgument( "install_binary" );
       shellProcess->addArgument( QFileInfo( tmpFolder ).absFilePath() );
-      QString binDir = QDir::currentDirPath() + "/Products/BINARIES";
-      if ( !myOS.isEmpty() )
-	binDir += "/" + myOS;
+      QString binDir = QDir::cleanDirPath( getBinPath() );
+      QString OS = getPlatform();
+      if ( !OS.isEmpty() )
+	binDir += "/" + OS;
       shellProcess->addArgument( binDir );
+      statusLab->setText( tr( "Installing '" ) + prodProc + "'..." );
     }
-    // ... sources ?
-    else if ( productsView->isSources( item ) ) {
-      shellProcess->addArgument( "install_source" );
-      shellProcess->addArgument( QFileInfo( tmpFolder ).absFilePath() );
-      shellProcess->addArgument( QDir::currentDirPath() + "/Products/SOURCES" );
-    }
-    // ... native ?
-    else if ( productsView->isNative( item ) ) {
-      shellProcess->addArgument( "try_native" );
-      shellProcess->addArgument( QFileInfo( tmpFolder ).absFilePath() );
-      shellProcess->addArgument( QDir::currentDirPath() + "/Products" );
-    }
-    // ... not install : try to find preinstalled
+    // ... sources or sources_and_compilation ?
     else {
-      shellProcess->addArgument( "try_preinstalled" );
+      shellProcess->addArgument( installType == Sources ? "install_source" : 
+				 "install_source_and_build" );
       shellProcess->addArgument( QFileInfo( tmpFolder ).absFilePath() );
-      shellProcess->addArgument( QDir::currentDirPath() + "/Products" );
+      shellProcess->addArgument( QDir::cleanDirPath( getSrcPath() ) );
+      statusLab->setText( tr( "Installing '" ) + prodProc + "'..." );
     }
     // ... target folder
     QString tgtFolder = QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() );
     shellProcess->addArgument( QFileInfo( tgtFolder ).absFilePath() );
-    
-
-    QString depproducts = DefineDependeces(productsMap); 
+    // ... list of all products
+    QString depproducts = DefineDependeces(productsMap);
+    depproducts.prepend( "gcc " );
     ___MESSAGE___( "Dependancies"<< depproducts.latin1() );
-
     shellProcess->addArgument( depproducts );
-    // ... product name - currently instaled product
-    shellProcess->addArgument( item->text(0) );
-
+    // ... product name - currently installed product
+    if ( prodProc != "gcc" )
+      shellProcess->addArgument( item->text(0) );
+    else
+      shellProcess->addArgument( "gcc" );
+    // ... list of products being installed
+    shellProcess->addArgument( prodSequence.join( " " ) );
+    // ... sources directory
+    shellProcess->addArgument( QDir::cleanDirPath( getSrcPath() ) );
+    // ... remove sources and tmp files or not?
+    if ( installType == Compile && removeSrcBtn->isOn() )
+      shellProcess->addArgument( "TRUE" );
+    else 
+      shellProcess->addArgument( "FALSE" );
+    // ... install MED with GUI or not?
+    if ( installGuiBtn->state() != QButton::On && prodProc == "MED" && 
+	 (installType == Binaries || installType == Compile) )
+      shellProcess->addArgument( "FALSE" );
     // run script
     if ( !shellProcess->start() ) {
       // error handling can be here
@@ -1375,15 +1947,15 @@ void SALOME_InstallWizard::launchScript()
   }
   ___MESSAGE___( "All products have been installed successfully" );
   // all products are installed successfully
-  QString workDir = QDir::cleanDirPath( QFileInfo( "./config_files/" ).absFilePath() );
   MapProducts::Iterator mapIter;
   ___MESSAGE___( "starting pick-up environment" );
+  QString depproducts = QUOTE( DefineDependeces(productsMap).prepend( "gcc " ) );
   for ( mapIter = productsMap.begin(); mapIter != productsMap.end(); ++mapIter ) {
     QCheckListItem* item = mapIter.key();
     Dependancies dep = mapIter.data();
-    QString depproducts = QUOTE( DefineDependeces(productsMap) ); 
-    if ( dep.pickUpEnvironment() ) {
-      ___MESSAGE___( "... for " << dep.getName() );
+    if ( item->isOn() && dep.pickUpEnvironment() ) {
+      statusLab->setText( tr( "Pick-up products environment for " ) + dep.getName().latin1() + "..." );
+      ___MESSAGE___( "... for " << dep.getName().latin1() );
       QString script;
       script += "cd " + QUOTE( QFileInfo( QDir::cleanDirPath( "./config_files/" ) ).absFilePath() ) + "; ";
       script += item->text(2) + " ";
@@ -1392,18 +1964,48 @@ void SALOME_InstallWizard::launchScript()
       script += QUOTE( QFileInfo( QDir::cleanDirPath( QDir::currentDirPath() + "/Products" ) ).absFilePath() ) + " ";
       script += QUOTE( QFileInfo( QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() ) ).absFilePath() ) + " ";
       script += depproducts + " ";
-      script += item->text(0);
+      script += item->text(0) + " ";
+      script += QUOTE( prodSequence.join( " " ) );
       ___MESSAGE___( "... --> " << script.latin1() );
-      if ( system( script.latin1() ) ) { 
-	___MESSAGE___( "ERROR" ); 
+      if ( system( script.latin1() ) ) {
+	___MESSAGE___( "ERROR" );
       }
     }
   }
+  
+  if ( installType == Binaries ) {
+    // Check Fortran libraries
+    // ... update status label
+    statusLab->setText( tr( "Check Fortran libraries..." ) );
+    // ... search "not found" libraries
+    checkFLibProc->setWorkingDirectory( QDir::cleanDirPath( QFileInfo( "./config_files/" ).absFilePath() ) );
+    checkFLibProc->addArgument( "checkFortran.sh" );
+    checkFLibProc->addArgument( "find_libraries" );
+    checkFLibProc->addArgument( QDir::cleanDirPath( QFileInfo( targetFolder->text().stripWhiteSpace() ).absFilePath() ) );
+    // ... run script
+    if ( !checkFLibProc->start() ) {
+      ___MESSAGE___( "Error: process could not start!" );
+    }
+  }
+  else
+    // Update GUI and check installation errors
+    completeInstallation();
+  
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::completeInstallation
+ *  Update GUI and check installation errors
+ */
+// ================================================================
+void SALOME_InstallWizard::completeInstallation()
+{
+  // update status label
+  statusLab->setText( tr( "Installation completed" ) );
   // <Next> button
   setNextEnabled( true );
   nextButton()->setText( tr( "&Next >" ) );
-  QWhatsThis::add( nextButton(), tr( "Moves to the next step of the installation procedure" ) );
-  QToolTip::add  ( nextButton(), tr( "Moves to the next step of the installation procedure" ) );
+  setAboutInfo( nextButton(), tr( "Move to the next step of the installation procedure" ) );
   disconnect( this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
   disconnect( this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
   connect(    this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
@@ -1417,6 +2019,48 @@ void SALOME_InstallWizard::launchScript()
   if ( isMinimized() )
     showNormal();
   raise();
+  if ( hasErrors ) {
+    if ( QMessageBox::warning( this,
+			       tr( "Warning" ),
+			       tr( "There were some errors and/or warnings during the installation.\n"
+				   "Do you want to save the installation log?" ),
+			       tr( "&Save" ),
+			       tr( "&Cancel" ),
+			       QString::null,
+			       0,
+			       1 ) == 0 )
+      saveLog();
+  }
+  hasErrors = false;
+
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::onInstallGuiBtn
+ *  <Installation with GUI> check-box slot
+ */
+// ================================================================
+void SALOME_InstallWizard::onInstallGuiBtn()
+{
+  MapProducts::Iterator itProd;
+  for ( itProd = productsMap.begin(); itProd != productsMap.end(); ++itProd ) {
+    if ( itProd.data().getType() == "component" ) {
+      if ( installGuiBtn->state() == QButton::On ) {
+	itProd.key()->setEnabled( true );
+	itProd.key()->setOn( true );
+      }
+      else {
+	QString itemName = itProd.data().getName();
+	if ( itemName != "KERNEL" && itemName != "MED" && 
+	     itemName != "SAMPLES" && itemName != "DOCUMENTATION" ) {
+	  itProd.key()->setOn( false );
+	  itProd.key()->setEnabled( false );
+	}
+	else
+	  itProd.key()->setOn( true );
+      }
+    }
+  }
 }
 // ================================================================
 /*!
@@ -1427,69 +2071,72 @@ void SALOME_InstallWizard::launchScript()
 void SALOME_InstallWizard::onMoreBtn()
 {
   if ( moreMode ) {
-    moreBox->hide();
-    moreBtn->setText( tr( "More..." ) );
+    prereqsView->hide();
+    moreBtn->setText( tr( "Show prerequisites..." ) );
+    setAboutInfo( moreBtn, tr( "Show list of prerequisites" ) );
   }
   else {
-    moreBox->show();
-    moreBtn->setText( tr( "Less..." ) );
+    prereqsView->show();
+    moreBtn->setText( tr( "Hide prerequisites" ) );
+    setAboutInfo( moreBtn, tr( "Hide list of prerequisites" ) );
   }
   qApp->processEvents();
   moreMode = !moreMode;
   InstallWizard::layOut();
   qApp->processEvents();
   if ( !isMaximized() ) {
-    //setGeometry( geometry().x(), geometry().y(), geometry().width(), 0 );
-    resize( geometry().width(), 0 );
     qApp->processEvents();
   }
   checkProductPage();
 }
 // ================================================================
 /*!
- *  SALOME_InstallWizard::onLaunchSalome
- *  <Launch Salome> button slot
+ *  SALOME_InstallWizard::onFinishButton
+ *  Operation buttons slot
  */
 // ================================================================
-void SALOME_InstallWizard::onLaunchSalome()
+void SALOME_InstallWizard::onFinishButton()
 {
-  QString msg = tr( "You don't have SALOME binaries installed in the %1 directory!" ).arg( targetFolder->text() );
-
-  QCheckListItem* item = findItem( "KERNEL-Bin" );
-  if ( item ) {
-    QFileInfo fi( targetFolder->text() + "/KERNEL_" + item->text(1) + "/bin/salome/runSalome" );
-    QFileInfo fienv( targetFolder->text() + "/KERNEL_" + item->text(1) + "/salome.sh" );
-    if ( fienv.exists() ) {
-      if ( fi.exists() ) {
-	QString script;
-	script += "cd " + targetFolder->text() + "/KERNEL_" + item->text(1) + "; ";
-	script += "source salome.sh; ";
-	script += "cd bin/salome; ";
-	script += "runSalome > /dev/null";
-	script = "(bash -c '" + script + "')";
-	___MESSAGE___( "script: " << script.latin1() );
-	if ( !system( script.latin1() ) )
-	  return;
-	else
-	  msg = tr( "Can't launch SALOME." );
+  const QObject* btn = sender();
+  ButtonList::Iterator it;
+  for ( it = buttons.begin(); it != buttons.end(); ++it ) {
+    if ( (*it).button() && (*it).button() == btn ) {
+      QString script;
+      script += "( cd " + QUOTE( QFileInfo( QDir::cleanDirPath( "./config_files/" ) ).absFilePath() ) + "; ";
+      script +=  + (*it).script();
+      script += " execute ";
+      script += QUOTE( QFileInfo( QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() ) ).absFilePath() ) + " ";
+      script += QUOTE( QFileInfo( QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() ) + TEMPDIRNAME ).absFilePath() ) + " ";
+      script += " > /dev/null )";
+      ___MESSAGE___( "script: " << script.latin1() );
+      if ( (*it).script().isEmpty() || system( script.latin1() ) ) {
+	QMessageBox::warning( this,
+			      tr( "Error" ),
+			      tr( "Can't perform action!"),
+			      QMessageBox::Ok,
+			      QMessageBox::NoButton,
+			      QMessageBox::NoButton );
       }
-      else
-	msg = tr( "Can't launch SALOME." ) + "\n" + tr( "runSalome file can not be found." );
+      return;
     }
-    else
-      msg = tr( "Can't launch SALOME." ) + "\n" + tr( "Can't find environment file." );
-  }
-  QMessageBox::warning( this, 
-		        tr( "Error" ), 
-		        msg,
-		        QMessageBox::Ok, 
-		        QMessageBox::NoButton,
-		        QMessageBox::NoButton );
+  }
+}
+// ================================================================
+/*!
+ *  SALOME_InstallWizard::onAbout
+ *  <About> button slot: shows <About> dialog box
+ */
+// ================================================================
+void SALOME_InstallWizard::onAbout()
+{
+  AboutDlg d( this );
+  d.exec();
 }
+
 // ================================================================
 /*!
  *  SALOME_InstallWizard::findItem
- *  Searches product listview item with given symbolic name 
+ *  Searches product listview item with given symbolic name
  */
 // ================================================================
 QCheckListItem* SALOME_InstallWizard::findItem( const QString& sName )
@@ -1530,10 +2177,10 @@ void SALOME_InstallWizard::reject()
 {
   ___MESSAGE___( "REJECTED" );
   if ( !exitConfirmed ) {
-    if ( QMessageBox::information( this, 
-				   tr( "Exit" ), 
-				   tr( "Do you want to quit %1?" ).arg( getIWName() ), 
-				   tr( "&Yes" ), 
+    if ( QMessageBox::information( this,
+				   tr( "Exit" ),
+				   tr( "Do you want to quit %1?" ).arg( getIWName() ),
+				   tr( "&Yes" ),
 				   tr( "&No" ),
 				   QString::null,
 				   0,
@@ -1569,23 +2216,23 @@ void SALOME_InstallWizard::clean(bool rmDir)
   myThread->clearCommands();
   myWC.wakeAll();
   while ( myThread->running() );
-  // VSR: first remove temporary files
+  // first remove temporary files
   QString script = "cd ./config_files/; remove_tmp.sh '";
   script += tempFolder->text().stripWhiteSpace() + TEMPDIRNAME;
   script += "' ";
   script += QUOTE(DefineDependeces(productsMap));
   script += " > /dev/null";
-  ___MESSAGE___( "script = " << script );
+  ___MESSAGE___( "script = " << script.latin1() );
   if ( system( script.latin1() ) ) {
   }
-  // VSR: then try to remove created temporary directory
+  // then try to remove created temporary directory
   //script = "rm -rf " + QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() ) + TEMPDIRNAME;
   if ( rmDir && !tmpCreated.isNull() ) {
     script = "rm -rf " + tmpCreated;
     script += " > /dev/null";
     if ( system( script.latin1() ) ) {
     }
-    ___MESSAGE___( "script = " << script );
+    ___MESSAGE___( "script = " << script.latin1() );
   }
 }
 // ================================================================
@@ -1597,8 +2244,7 @@ void SALOME_InstallWizard::clean(bool rmDir)
 void SALOME_InstallWizard::pageChanged( const QString & mytitle)
 {
   nextButton()->setText( tr( "&Next >" ) );
-  QWhatsThis::add( nextButton(), tr( "Moves to the next step of the installation procedure" ) );
-  QToolTip::add  ( nextButton(), tr( "Moves to the next step of the installation procedure" ) );
+  setAboutInfo( nextButton(), tr( "Move to the next step of the installation procedure" ) );
   disconnect( this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
   disconnect( this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
   connect(    this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
@@ -1609,7 +2255,70 @@ void SALOME_InstallWizard::pageChanged( const QString & mytitle)
   if ( !aPage )
     return;
   updateCaption();
-  if ( aPage == productsPage ) {
+
+  if ( aPage == typePage ) {
+    // installation type page
+    if ( buttonGrp->id( buttonGrp->selected() ) == -1 )
+      binBtn->animateClick(); // set default installation type
+  }
+  else if ( aPage == platformsPage ) {
+    // installation platforms page
+    MapXmlFiles::Iterator it;
+    if ( previousPage == typePage ) {
+      for ( it = platformsMap.begin(); it != platformsMap.end(); ++it ) {
+	QString plat = it.key();
+	QRadioButton* rb = ( (QRadioButton*) platBtnGrp->child( plat ) );
+	if ( installType == Binaries ) {
+	  QFileInfo fib( QDir::cleanDirPath( getBinPath() + "/" + plat ) );
+	  rb->setEnabled( fib.exists() );
+	}
+	else {
+	  QFileInfo fis( QDir::cleanDirPath( getSrcPath() ) );
+	  rb->setEnabled( fis.exists() );
+	}
+	rb->setChecked( rb->isChecked() && rb->isEnabled() );
+      }
+      setNextEnabled( platformsPage, platBtnGrp->id( platBtnGrp->selected() ) != -1 );
+    }
+  }
+  else  if ( aPage == dirPage ) {
+    // installation and temporary directories page
+    if ( ( indexOf( platformsPage ) != -1 ? 
+	   previousPage == platformsPage : previousPage == typePage ) 
+	 && stateChanged ) {
+      // clear global variables before reading XML file
+      modulesView->clear();
+      prereqsView->clear();
+      productsMap.clear();
+      // read XML file
+      StructureParser* parser = new StructureParser( this );
+      parser->setProductsLists( modulesView, prereqsView );
+      if ( targetFolder->text().isEmpty() )
+	parser->setTargetDir( targetFolder );
+      if ( tempFolder->text().isEmpty() )
+	parser->setTempDir( tempFolder );
+      parser->readXmlFile( xmlFileName );
+      // update required size for each product
+      updateSizeColumn();
+      // take into account command line parameters
+      if ( !myTargetPath.isEmpty() )
+	targetFolder->setText( myTargetPath );
+      if ( !myTmpPath.isEmpty() )
+	tempFolder->setText( myTmpPath );
+      // set all modules to be checked and first module to be selected
+      installGuiBtn->setState( QButton::Off );
+      installGuiBtn->setState( QButton::On );
+      if ( modulesView->childCount() > 0 && !modulesView->selectedItem() )
+	modulesView->setSelected( modulesView->firstChild(), true );
+      stateChanged = false;
+    } 
+    else if ( rmSrcPrevState != removeSrcBtn->isChecked() ) {
+      // only update required size for each product
+      updateSizeColumn();
+      rmSrcPrevState = removeSrcBtn->isChecked();
+    }
+  }
+  else if ( aPage == productsPage ) {
     // products page
     onSelectionChanged();
     checkProductPage();
@@ -1621,6 +2330,7 @@ void SALOME_InstallWizard::pageChanged( const QString & mytitle)
   else if ( aPage == progressPage ) {
     if ( previousPage == prestartPage ) {
       // progress page
+      statusLab->clear();
       progressView->clear();
       installInfo->clear();
       installInfo->setFinished( false );
@@ -1628,8 +2338,7 @@ void SALOME_InstallWizard::pageChanged( const QString & mytitle)
       passedParams->setEnabled( false );
       QFont f = parametersLab->font(); f.setBold( false ); parametersLab->setFont( f );
       nextButton()->setText( tr( "&Start" ) );
-      QWhatsThis::add( nextButton(), tr( "Starts installation process" ) );
-      QToolTip::add  ( nextButton(), tr( "Starts installation process" ) );
+      setAboutInfo( nextButton(), tr( "Start installation process" ) );
       // reconnect Next button - to use it as Start button
       disconnect( this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
       disconnect( this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
@@ -1641,16 +2350,53 @@ void SALOME_InstallWizard::pageChanged( const QString & mytitle)
     }
   }
   else if ( aPage == readmePage ) {
-    QCheckListItem* item = findItem( "KERNEL-Bin" );
-    runSalomeBtn->setEnabled( item &&
-			      QFileInfo( targetFolder->text() + "/KERNEL_" + item->text(1) + "/bin/salome/runSalome" ).exists() &&
-			      QFileInfo( targetFolder->text() + "/KERNEL_" + item->text(1) + "/salome.csh" ).exists() );
+    ButtonList::Iterator it;
+    for ( it = buttons.begin(); it != buttons.end(); ++it ) {
+      if ( (*it).button() ) {
+	QString script;
+	script += "( cd " + QUOTE( QFileInfo( QDir::cleanDirPath( "./config_files/" ) ).absFilePath() ) + "; ";
+	script +=  + (*it).script();
+	script += " check_enabled ";
+	script += QUOTE( QFileInfo( QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() ) ).absFilePath() ) + " ";
+	script += QUOTE( QFileInfo( QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() ) + TEMPDIRNAME ).absFilePath() ) + " ";
+	script += " > /dev/null )";
+	___MESSAGE___( "script: " << script.latin1() );
+	(*it).button()->setEnabled( !(*it).script().isEmpty() && !system( script.latin1() ) );
+      }
+    }
     finishButton()->setEnabled( true );
   }
   previousPage = aPage;
   ___MESSAGE___( "previousPage = " << previousPage );
 }
 // ================================================================
+/*!
+ *  SALOME_InstallWizard::onButtonGroup
+ *  Called when user selected either installation type or installation platform
+ */
+// ================================================================
+void SALOME_InstallWizard::onButtonGroup( int rbIndex )
+{
+  int prevType = installType;
+  QString prevPlat = getPlatform();
+  QWidget* aPage = InstallWizard::currentPage();
+  if ( aPage == typePage ) {
+    installType = InstallationType( rbIndex );
+    // management of the <Remove source and tmp files> check-box
+    removeSrcBtn->setEnabled( installType == Compile );
+  }
+  else if ( aPage == platformsPage ) {
+    refPlatform = platBtnGrp->find( rbIndex )->name();
+    xmlFileName = platformsMap[ refPlatform ];
+//     cout << xmlFileName << endl;
+    setNextEnabled( platformsPage, true );
+  }
+  if ( prevType != installType || 
+       ( indexOf( platformsPage ) != -1 ? prevPlat != getPlatform() : false ) ) {
+    stateChanged = true;
+  }
+}
+// ================================================================
 /*!
  *  SALOME_InstallWizard::helpClicked
  *  Shows help window
@@ -1665,8 +2411,8 @@ void SALOME_InstallWizard::helpClicked()
       helpWindow->installEventFilter( this );
     }
     else {
-      QMessageBox::warning( this, 
-			    tr( "Help file not found" ), 
+      QMessageBox::warning( this,
+			    tr( "Help file not found" ),
 			    tr( "Sorry, help is unavailable" ) );
     }
   }
@@ -1696,7 +2442,6 @@ void SALOME_InstallWizard::browseDirectory()
     theFolder->setText( typedDir );
     theFolder->end( false );
   }
-  checkProductPage();
 }
 // ================================================================
 /*!
@@ -1717,54 +2462,169 @@ void SALOME_InstallWizard::directoryChanged( const QString& /*text*/ )
 void SALOME_InstallWizard::onStart()
 {
   if ( nextButton()->text() == tr( "&Stop" ) ) {
+    statusLab->setText( tr( "Aborting installation..." ) );
     shellProcess->kill();
     while( shellProcess->isRunning() );
+    statusLab->setText( tr( "Installation has been aborted by user" ) );
     return;
   }
+
+  hasErrors = false;
   progressView->clear();
   installInfo->clear();
   installInfo->setFinished( false );
   passedParams->clear();
   passedParams->setEnabled( false );
   QFont f = parametersLab->font(); f.setBold( false ); parametersLab->setFont( f );
-  // clear list of products to install ...
+
+  // update status label
+  statusLab->setText( tr( "Preparing for installation..." ) );
+  // clear lists of products
   toInstall.clear();
+  notInstall.clear();
   // ... and fill it for new process
-  QCheckListItem* item = (QCheckListItem*)( productsView->firstChild() );
+  toInstall.append( "gcc" );
+  QCheckListItem* item = (QCheckListItem*)( prereqsView->firstChild() );
   while( item ) {
-//    if ( productsView->isBinaries( item ) || productsView->isSources( item ) || productsView->isNative( item ) ) {
-      if ( productsMap.contains( item ) )
-        toInstall.append( productsMap[item].getName() );
-//    }
+    if ( productsMap.contains( item ) ) {
+      if ( item->isOn() )
+	toInstall.append( productsMap[item].getName() );
+      else
+	notInstall.append( productsMap[item].getName() );
+    }
+    item = (QCheckListItem*)( item->nextSibling() );
+  }
+  item = (QCheckListItem*)( modulesView->firstChild() );
+  while( item ) {
+    if ( productsMap.contains( item ) ) {
+      if ( item->isOn() )
+	toInstall.append( productsMap[item].getName() );
+      else
+	notInstall.append( productsMap[item].getName() );
+    }
     item = (QCheckListItem*)( item->nextSibling() );
   }
   // if something at all is selected
-  if ( !toInstall.isEmpty() ) {
+  if ( (int)toInstall.count() > 1 ) {
+
+    if ( installType == Compile ) {
+      // update status label
+      statusLab->setText( tr( "Check Fortran compiler..." ) );
+      // check Fortran compiler.
+      QString script = "./config_files/checkFortran.sh find_compilers";
+      script += " " + QUOTE( QFileInfo( QDir::cleanDirPath( tempFolder->text().stripWhiteSpace() ) + TEMPDIRNAME ).absFilePath() );
+      ___MESSAGE___( "script = " << script.latin1() );
+      if ( system( script ) ) {
+	QMessageBox::critical( this,
+			       tr( "Error" ),
+			       tr( "Fortran compiler was not found at current system!\n"
+				   "Installation can not be continued!"),
+			       QMessageBox::Ok,
+			       QMessageBox::NoButton,
+			       QMessageBox::NoButton );
+	// installation aborted
+	abort();
+	statusLab->setText( tr( "Installation has been aborted" ) );
+	// enable <Next> button
+	setNextEnabled( true );
+	nextButton()->setText( tr( "&Start" ) );
+	setAboutInfo( nextButton(), tr( "Start installation process" ) );
+	// reconnect Next button - to use it as Start button
+	disconnect( this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
+	disconnect( this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
+	connect(    this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
+	// enable <Back> button
+	setBackEnabled( true );
+	return;
+      }
+    }  
+    
+    // update status label
+    statusLab->setText( tr( "Preparing for installation..." ) );
+
     clean(false); // VSR 07/02/05 - bug fix: first we should clear temporary directory
     // disable <Next> button
     //setNextEnabled( false );
     nextButton()->setText( tr( "&Stop" ) );
-    QWhatsThis::add( nextButton(), tr( "Aborts installation process" ) );
-    QToolTip::add  ( nextButton(), tr( "Aborts installation process" ) );
+    setAboutInfo( nextButton(), tr( "Abort installation process" ) );
     // disable <Back> button
     setBackEnabled( false );
     // enable script parameters line edit
     // VSR commented: 18/09/03: passedParams->setEnabled( true );
     // VSR commented: 18/09/03: passedParams->setFocus();
-    // set status for all products
+    ProgressViewItem* progressItem;
+    // set status for installed products
     for ( int i = 0; i < (int)toInstall.count(); i++ ) {
-      item = findItem( toInstall[ i ] );
-      QString type = "";
-      if ( productsView->isBinaries( item ) )
-	type = tr( "binaries" );
-      else if ( productsView->isSources( item ) )
-	type = tr( "sources" );
-      else if ( productsView->isNative( item ) )
-	type = tr( "native" );
-      else 
-	type = tr( "not install" );
-      progressView->addProduct( item->text(0), type, item->text(2) );
+      if ( toInstall[i] != "gcc" ) {
+	item = findItem( toInstall[i] );
+	progressView->addProduct( item->text(0), item->text(2) );
+	continue;
+      }
+      progressItem = progressView->addProduct( "gcc", "gcc-common.sh" );
+      progressItem->setVisible( false );
+    }
+    // set status for not installed products
+    for ( int i = 0; i < (int)notInstall.count(); i++ ) {
+      item = findItem( notInstall[i] );
+      progressItem = progressView->addProduct( item->text(0), item->text(2) );
+      progressItem->setVisible( false );
+    }
+    // get specified list of products being installed
+    prodSequence.clear();
+    for (int i = 0; i<(int)toInstall.count(); i++ ) {
+      if ( toInstall[i] == "gcc" ) {
+	prodSequence.append( toInstall[i] );
+	continue;
+      }
+      if ( installType == Binaries ) {
+	prodSequence.append( toInstall[i] );
+	QString prodType;
+	MapProducts::Iterator mapIter;
+	for ( mapIter = productsMap.begin(); mapIter != productsMap.end(); ++mapIter ) {
+	  if ( mapIter.data().getName() == toInstall[i] && mapIter.data().getType() == "component" ) {
+	    prodSequence.append( toInstall[i] + "_src" );
+	    break;
+	  }
+	}
+      }
+      else if ( installType == Sources )
+	prodSequence.append( toInstall[i] + "_src" );
+      else {
+	prodSequence.append( toInstall[i] );
+	prodSequence.append( toInstall[i] + "_src" );
+      }
+    }
+
+    // create a backup of 'env_build.csh', 'env_build.sh', 'env_products.csh', 'env_products.sh'
+    // ( backup of 'salome.csh' and 'salome.sh' is made if pick-up environment is called )
+    QString script = "./config_files/backupEnv.sh ";
+    script += QUOTE( QFileInfo( QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() ) ).absFilePath() );
+    ___MESSAGE___( "script = " << script.latin1() );
+    if ( system( script ) ) {
+      if ( QMessageBox::warning( this,
+				 tr( "Warning" ),
+				 tr( "Backup environment files have not been created.\n"
+				     "Do you want to continue an installation process?" ),
+				 tr( "&Yes" ),
+				 tr( "&No" ), 
+				 QString::null, 0, 1 ) == 1 ) {
+	// installation aborted
+	abort();
+	statusLab->setText( tr( "Installation has been aborted by user" ) );
+	// enable <Next> button
+	setNextEnabled( true );
+	nextButton()->setText( tr( "&Start" ) );
+	setAboutInfo( nextButton(), tr( "Start installation process" ) );
+	// reconnect Next button - to use it as Start button
+	disconnect( this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
+	disconnect( this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
+	connect(    this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
+	// enable <Back> button
+	setBackEnabled( true );
+	return;
+      }
     }
+
     // launch install script
     launchScript();
   }
@@ -1789,7 +2649,7 @@ void SALOME_InstallWizard::onReturnPressed()
 /*!
   Callback function - as response for the script finishing
 */
-void SALOME_InstallWizard::productInstalled( )
+void SALOME_InstallWizard::productInstalled()
 {
   ___MESSAGE___( "process exited" );
   if ( shellProcess->normalExit() ) {
@@ -1799,6 +2659,7 @@ void SALOME_InstallWizard::productInstalled( )
   }
   else {
     ___MESSAGE___( "...abnormal exit" );
+    statusLab->setText( tr( "Installation has been aborted" ) );
     // installation aborted
     abort();
     // clear script passed parameters lineedit
@@ -1809,15 +2670,13 @@ void SALOME_InstallWizard::productInstalled( )
     // enable <Next> button
     setNextEnabled( true );
     nextButton()->setText( tr( "&Start" ) );
-    QWhatsThis::add( nextButton(), tr( "Starts installation process" ) );
-    QToolTip::add  ( nextButton(), tr( "Starts installation process" ) );
+    setAboutInfo( nextButton(), tr( "Start installation process" ) );
     // reconnect Next button - to use it as Start button
     disconnect( this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
     disconnect( this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
     connect(    this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
     //nextButton()->setText( tr( "&Next >" ) );
-    //QWhatsThis::add( nextButton(), tr( "Moves to the next step of the installation procedure" ) );
-    //QToolTip::add  ( nextButton(), tr( "Moves to the next step of the installation procedure" ) );
+    //setAboutInfo( nextButton(), tr( "Move to the next step of the installation procedure" ) );
     //disconnect( this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
     //disconnect( this, SIGNAL( nextClicked() ), this, SLOT( onStart() ) );
     //connect(    this, SIGNAL( nextClicked() ), this, SLOT( next() ) );
@@ -1834,10 +2693,10 @@ void SALOME_InstallWizard::productInstalled( )
 void SALOME_InstallWizard::tryTerminate()
 {
   if ( shellProcess->isRunning() ) {
-    if ( QMessageBox::information( this, 
-				   tr( "Exit" ), 
-				   tr( "Do you want to quit %1?" ).arg( getIWName() ), 
-				   tr( "&Yes" ), 
+    if ( QMessageBox::information( this,
+				   tr( "Exit" ),
+				   tr( "Do you want to quit %1?" ).arg( getIWName() ),
+				   tr( "&Yes" ),
 				   tr( "&No" ),
 				   QString::null,
 				   0,
@@ -1871,51 +2730,40 @@ void SALOME_InstallWizard::onCancel()
 /*!
  *  SALOME_InstallWizard::onSelectionChanged
  *  Called when selection is changed in the products list view
+ *  to fill in the 'Information about product' text box
  */
 // ================================================================
 void SALOME_InstallWizard::onSelectionChanged()
 {
-  productsInfo->clear();
-  QListViewItem* item = productsView->selectedItem();
+  const QObject* snd = sender();
+  QListViewItem* item = modulesView->selectedItem();
+  if ( snd == prereqsView )
+    item = prereqsView->selectedItem();
   if ( !item )
     return;
-  if ( item->parent() )
-    item = item->parent();
-  QCheckListItem* aItem = (QCheckListItem*)item;
-  if ( !productsMap.contains( aItem ) )
+  productInfo->clear();
+  QCheckListItem* anItem = (QCheckListItem*)item;
+  if ( !productsMap.contains( anItem ) )
     return;
-  Dependancies dep = productsMap[ aItem ];
-  QString text = "<b>" + aItem->text(0) + "</b>" + "<br>";
-  if ( !aItem->text(1).stripWhiteSpace().isEmpty() )
-    text += tr( "Version" ) + ": " + aItem->text(1) + "<br>";
+  Dependancies dep = productsMap[ anItem ];
+  QString text = "<b>" + anItem->text(0) + "</b>" + "<br>";
+  if ( !dep.getVersion().isEmpty() )
+    text += tr( "Version" ) + ": " + dep.getVersion() + "<br>";
   text += "<br>";
   if ( !dep.getDescription().isEmpty() ) {
     text += "<i>" + dep.getDescription() + "</i><br><br>";
   }
-  text += tr( "User choice" ) + ": ";
-  long totSize = 0, tempSize = 0;
-  if ( productsView->isBinaries( aItem ) ) {
-    text += "<b>" + tr( "install binaries" ) + "</b>" + "<br>";
-    totSize = dep.getSize();
-  }
-  else if ( productsView->isSources( aItem ) ) {
-    text += "<b>" + tr( "install sources" ) + "</b>" + "<br>";
-    totSize = dep.getSize( true );
-    tempSize = dep.getTempSize();
-  }
-  else if ( productsView->isNative( aItem ) ) {
-    text += "<b>" + tr( "use native" ) + "</b>" + "<br>";
-  }
-  else {
-    text += "<b>" + tr( "not install" ) + "</b>" + "<br>";
-  }
-  
-  text += tr( "Disk space required" ) + ": " + QString::number( totSize ) + " Kb<br>";
-  text += tr( "Disk space for tmp files required" ) + ": " + QString::number( tempSize ) + " Kb<br>";
+  /* AKL: 07/08/28 - hide required disk space for tmp files for each product ==>
+     long tempSize = 0;
+     tempSize = dep.getTempSize( installType );
+     text += tr( "Disk space for tmp files required" ) + ": " + QString::number( tempSize ) + " KB<br>";
+     AKL: 07/08/28 - hide required disk space for tmp files for each product <==
+  */
+  text += tr( "Disk space required" ) + ": " + item->text(1) + "<br>";
   text += "<br>";
   QString req = ( dep.getDependancies().count() > 0 ? dep.getDependancies().join(", ") : tr( "none" ) );
   text +=  tr( "Prerequisites" ) + ": " + req;
-  productsInfo->setText( text );
+  productInfo->setText( text );
 }
 // ================================================================
 /*!
@@ -1926,79 +2774,16 @@ void SALOME_InstallWizard::onSelectionChanged()
 // ================================================================
 void SALOME_InstallWizard::onItemToggled( QCheckListItem* item )
 {
-  if ( prerequisites->isChecked() ) {
-    if ( item->parent() )
-      item = (QCheckListItem*)( item->parent() );
-    if ( productsMap.contains( item ) ) {
-      productsView->blockSignals( true );
+  if ( productsMap.contains( item ) ) {
+    if ( item->isOn() )
       setPrerequisites( item );
-      productsView->blockSignals( false );
-    }
+    else 
+      unsetPrerequisites( item );
   }
   onSelectionChanged();
   checkProductPage();
 }
 // ================================================================
-/*!
- *  SALOME_InstallWizard::onProdBtn
- *  This slot is called when user clicks one of <Select Sources>,
- *  <Select Binaries>, <Unselect All> buttons ( products page )
- */
-// ================================================================
-void SALOME_InstallWizard::onProdBtn()
-{
-  const QObject* snd = sender();
-  productsView->blockSignals( true );
-  selectSrcBtn->blockSignals( true );
-  selectBinBtn->blockSignals( true );
-  if ( snd == unselectBtn ) {
-    QCheckListItem* item = (QCheckListItem*)( productsView->firstChild() );
-    while( item ) {
-      productsView->setNone( item );
-      item = (QCheckListItem*)( item->nextSibling() );
-    }
-  }
-  else if ( snd == selectSrcBtn )  {
-    QMyCheckBox* checkBox = ( QMyCheckBox* )snd;
-    if ( checkBox->state() == QButton::NoChange )
-      checkBox->setState( QButton::On );
-    MapProducts::Iterator itProd;
-    for ( itProd = productsMap.begin(); itProd != productsMap.end(); ++itProd ) {
-      if ( itProd.data().hasContext( "salome sources" ) ) {
-	if ( checkBox->state() == QButton::Off )
-	  productsView->setNone( itProd.key() );
-	else {
-	  productsView->setSources( itProd.key() );
-	  if ( prerequisites->isChecked() )
-	    setPrerequisites( itProd.key() );
-	}
-      }
-    }
-  }
-  else if ( snd == selectBinBtn )  {
-    QMyCheckBox* checkBox = ( QMyCheckBox* )snd;
-    if ( checkBox->state() == QButton::NoChange )
-      checkBox->setState( QButton::On );
-    MapProducts::Iterator itProd;
-    for ( itProd = productsMap.begin(); itProd != productsMap.end(); ++itProd ) {
-      if ( itProd.data().hasContext( "salome binaries" ) ) {
-	if ( checkBox->state() == QButton::Off )
-	  productsView->setNone( itProd.key() );
-	else {
-	  productsView->setBinaries( itProd.key() );
-	  if ( prerequisites->isChecked() )
-	    setPrerequisites( itProd.key() );
-	}
-      }
-    }
-  }
-  selectSrcBtn->blockSignals( false );
-  selectBinBtn->blockSignals( false );
-  productsView->blockSignals( false );
-  onSelectionChanged();
-  checkProductPage();
-}
-// ================================================================
 /*!
  *  SALOME_InstallWizard::wroteToStdin
  *  QProcess slot: -->something was written to stdin
@@ -2042,11 +2827,13 @@ void SALOME_InstallWizard::readFromStderr( )
   while ( shellProcess->canReadLineStderr() ) {
     installInfo->append( OUTLINE_TEXT( QString( shellProcess->readLineStderr() ) ) );
     installInfo->scrollToBottom();
+    hasErrors = true;
   }
   QString str( shellProcess->readStderr() );
   if ( !str.isEmpty() ) {
     installInfo->append( OUTLINE_TEXT( str ) );
     installInfo->scrollToBottom();
+    hasErrors = true;
   }
   // VSR: 10/11/05 - disable answer mode ==>
   // passedParams->setEnabled( true );
@@ -2065,6 +2852,42 @@ void SALOME_InstallWizard::setDependancies( QCheckListItem* item, Dependancies d
   productsMap[item] = dep;
 }
 // ================================================================
+/*!
+ *  SALOME_InstallWizard::addFinishButton
+ *  Add button for the <Finish> page.
+ *  Clear list of buttons if <toClear> flag is true.
+ */
+// ================================================================
+void SALOME_InstallWizard::addFinishButton( const QString& label,
+					    const QString& tooltip,
+					    const QString& script,
+					    bool toClear )
+{
+  ButtonList btns;
+  if ( toClear ) {
+    btns = buttons;
+    buttons.clear();
+  }
+  buttons.append( Button( label, tooltip, script ) );
+  // create finish buttons
+  QButton* b = new QPushButton( tr( buttons.last().label() ), readmePage );
+  if ( !buttons.last().tootip().isEmpty() )
+    setAboutInfo( b, tr( buttons.last().tootip() ) );
+  QHBoxLayout* hLayout = (QHBoxLayout*)readmePage->layout()->child("finishButtons");
+  if ( toClear ) {
+    // remove previous buttons
+    ButtonList::Iterator it;
+    for ( it = btns.begin(); it != btns.end(); ++it ) {
+      hLayout->removeChild( (*it).button() );
+      delete (*it).button();
+    }
+  }
+  // add buttons to finish page
+  hLayout->insertWidget( buttons.count()-1, b );
+  buttons.last().setButton( b );
+  connect( b, SIGNAL( clicked() ), this, SLOT( onFinishButton() ) );
+}
+// ================================================================
 /*!
  *  SALOME_InstallWizard::polish
  *  Polishing of the widget - to set right initial size
@@ -2089,6 +2912,7 @@ void SALOME_InstallWizard::saveLog()
   QDateTime dt = QDateTime::currentDateTime();
   QString fileName = dt.toString("ddMMyy-hhmm");
   fileName.prepend("install-"); fileName.append(".html");
+  fileName = QFileInfo( QDir::cleanDirPath( targetFolder->text().stripWhiteSpace() ), fileName ).absFilePath();
   fileName = QFileDialog::getSaveFileName( fileName,
 					   QString( "HTML files (*.htm *.html)" ),
 					   this, 0,
@@ -2101,11 +2925,11 @@ void SALOME_InstallWizard::saveLog()
       f.close();
     }
     else {
-      QMessageBox::critical( this, 
-			     tr( "Error" ), 
- 			     tr( "Can't save file %1.\nCheck path and permissions.").arg( fileName ), 
-			     QMessageBox::Ok, 
-			     QMessageBox::NoButton, 
+      QMessageBox::critical( this,
+			     tr( "Error" ),
+ 			     tr( "Can't save file %1.\nCheck path and permissions.").arg( fileName ),
+			     QMessageBox::Ok,
+			     QMessageBox::NoButton,
 			     QMessageBox::NoButton );
     }
   }
@@ -2119,7 +2943,7 @@ void SALOME_InstallWizard::saveLog()
 void SALOME_InstallWizard::updateCaption()
 {
   QWidget* aPage = InstallWizard::currentPage();
-  if ( !aPage ) 
+  if ( !aPage )
     return;
   InstallWizard::setCaption( tr( myCaption ) + " " +
 			     tr( getIWName() ) + " - " +
@@ -2141,59 +2965,7 @@ void SALOME_InstallWizard::processValidateEvent( const int val, void* data )
   }
   myMutex.lock();
   myMutex.unlock();
-  QCheckListItem* item = (QCheckListItem*)data;
   if ( val > 0 ) {
-    if ( val == 2 ) {
-      WarnDialog::showWarnDlg( 0, false );
-      // when try_native returns 2 it means that native product version is higher than that is prerequisited
-      if ( QMessageBox::warning( this, 
-				 tr( "Warning" ), 
-				 tr( "You have newer version of %1 installed on your computer than that is required (%2).\nContinue?").arg(item->text(0)).arg(item->text(1)),
-				QMessageBox::Yes, 
-				QMessageBox::No, 
-				QMessageBox::NoButton ) == QMessageBox::No ) {
-	myThread->clearCommands();
-	myWC.wakeAll();
-	setNextEnabled( true );
-	setBackEnabled( true );
-	return;
-      }
-      WarnDialog::showWarnDlg( this, true );
-    }
-    else {
-      WarnDialog::showWarnDlg( 0, false );
-      bool binMode = productsView->hasBinaries( item );
-      bool srcMode = productsView->hasSources( item );
-      QStringList buttons;
-      buttons.append( binMode ? tr( "Install binaries" ) : ( srcMode ? tr( "Install sources" ) : 
-							               tr( "Select manually" ) ) );
-      buttons.append( binMode ? ( srcMode ? tr( "Install sources" ) : tr( "Select manually" ) ) :
-                                ( srcMode ? tr( "Select manually" ) : QString::null ) );
-      buttons.append( binMode && srcMode ? tr( "Select manually" ) : QString::null );
-      int answer = QMessageBox::warning( this, 
-					 tr( "Warning" ), 
-					 tr( "You don't have native %1 %2 on your computer.\nPlease, change your installation settings.").arg(item->text(0)).arg(item->text(1)), 
-					 buttons[0],
-					 buttons[1],
-					 buttons[2] );
-      if ( buttons[ answer ] == tr( "Install binaries" ) )
-        productsView->setBinaries( item );
-      else if ( buttons[ answer ] == tr( "Install sources" ) )
-        productsView->setSources( item );
-      else {
-        if ( !moreMode )
-	  onMoreBtn();
-	productsView->setCurrentItem( item );
-	productsView->setSelected( item, true );
-	productsView->ensureItemVisible( item );
-        myThread->clearCommands();
-        myWC.wakeAll();
-        setNextEnabled( true );
-        setBackEnabled( true );
-        return;
-      }
-      WarnDialog::showWarnDlg( this, true );
-    }
   }
   if ( myThread->hasCommands() )
     myWC.wakeAll();