From 927447f2ef3379740c5435294cc488a2318b6a8d Mon Sep 17 00:00:00 2001
From: asl <asl@opencascade.com>
Date: Tue, 24 Nov 2009 10:19:57 +0000
Subject: [PATCH] new methods calculate() - calculation of expressions using
 Notebook's parameters and convert() - conversion of Notebook's parameter into
 QVariant

---
 src/SalomeApp/SalomeApp_Notebook.cxx | 29 ++++++++++++++++++++++++++--
 src/SalomeApp/SalomeApp_Notebook.h   |  3 +++
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/src/SalomeApp/SalomeApp_Notebook.cxx b/src/SalomeApp/SalomeApp_Notebook.cxx
index f2681ea69..bf53ab5af 100644
--- a/src/SalomeApp/SalomeApp_Notebook.cxx
+++ b/src/SalomeApp/SalomeApp_Notebook.cxx
@@ -95,10 +95,31 @@ void SalomeApp_Notebook::set( const QString& theName, const QVariant& theValue )
 }
 
 QVariant SalomeApp_Notebook::get( const QString& theName ) const
+{
+  return convert( myNotebook->GetParameter( theName.toLatin1().constData() ) );
+}
+
+QVariant SalomeApp_Notebook::calculate( const QString& theExpr ) const
+{
+  if( CORBA::is_nil( myTmp ) )
+  {
+    static const char TMP_NAME[] = "__notebook__tmp__";
+    myTmp = myNotebook->GetParameter( TMP_NAME );
+    if( CORBA::is_nil( myTmp ) )
+    {
+      myNotebook->AddReal( TMP_NAME, 0 );
+      myTmp = myNotebook->GetParameter( TMP_NAME );
+    }
+  }
+  myTmp->SetExpression( theExpr );
+  myTmp->Update();
+  return convert( myTmp );
+}
+
+QVariant SalomeApp_Notebook::convert( SALOME::Parameter_ptr theParam ) const
 {
   QVariant aRes;
-  SALOME::Parameter_ptr aParam = myNotebook->GetParameter( theName.toLatin1().constData() );
-  if( !CORBA::is_nil( aParam ) )
+  if( !CORBA::is_nil( theParam ) )
     switch( aParam->GetType() )
     {
     case SALOME::TBoolean:
@@ -117,6 +138,10 @@ QVariant SalomeApp_Notebook::get( const QString& theName ) const
   return aRes;
 }
 
+QVariant SalomeApp_Notebook::calculate( const QString& theExpr ) const
+{
+}
+
 void SalomeApp_Notebook::update()
 {
   myNotebook->Update();
diff --git a/src/SalomeApp/SalomeApp_Notebook.h b/src/SalomeApp/SalomeApp_Notebook.h
index 08a45ba18..8ffc0f312 100644
--- a/src/SalomeApp/SalomeApp_Notebook.h
+++ b/src/SalomeApp/SalomeApp_Notebook.h
@@ -49,6 +49,7 @@ public:
   bool isParameter( const QString& theName ) const;
   void set( const QString& theName, const QVariant& theValue );
   QVariant get( const QString& theName ) const;
+  QVariant calculate( const QString& theExpr ) const;
 
   void update();
 
@@ -59,9 +60,11 @@ public:
 
 protected:
   QStringList convert( SALOME::StringArray* theArray ) const;
+  QVariant convert( SALOME::Parameter_ptr theParam ) const;
 
 private:
   SALOME::Notebook_ptr myNotebook;
+  SALOME::Parameter_ptr myTmp;
 };
 
 #endif
-- 
2.39.2