From 0ee82b8845955352aa5bdd0113967b022d6f9bb3 Mon Sep 17 00:00:00 2001
From: apo <apo@opencascade.com>
Date: Wed, 1 Aug 2007 09:31:56 +0000
Subject: [PATCH] To introduce and handle Modified method for SUIT_Study

---
 src/STD/STD_Application.cxx   |  2 ++
 src/SUIT/SUIT_Application.cxx | 14 +++++++++++++-
 src/SUIT/SUIT_Application.h   |  3 +++
 src/SUIT/SUIT_Study.cxx       |  9 +++++++++
 src/SUIT/SUIT_Study.h         |  1 +
 5 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/STD/STD_Application.cxx b/src/STD/STD_Application.cxx
index 90690cad7..41f98bcaa 100755
--- a/src/STD/STD_Application.cxx
+++ b/src/STD/STD_Application.cxx
@@ -577,6 +577,8 @@ void STD_Application::updateDesktopTitle()
 /*!Update commands status.*/
 void STD_Application::updateCommandsStatus()
 {
+  SUIT_Application::updateCommandsStatus();
+
   bool aHasStudy = activeStudy() != 0;
   bool aIsNeedToSave = false;
   if ( aHasStudy )
diff --git a/src/SUIT/SUIT_Application.cxx b/src/SUIT/SUIT_Application.cxx
index bbe68030d..61b218470 100755
--- a/src/SUIT/SUIT_Application.cxx
+++ b/src/SUIT/SUIT_Application.cxx
@@ -46,8 +46,8 @@ myStatusLabel( 0 )
 */
 SUIT_Application::~SUIT_Application() 
 {
+  setActiveStudy( 0 );
   delete myStudy;
-  myStudy = 0;
 
   setDesktop( 0 );
 }
@@ -204,6 +204,12 @@ void SUIT_Application::onInfoClear()
     emit infoChanged( QString::null );
 }
 
+/*!
+  Updates status of the registerd actions
+*/
+void SUIT_Application::updateCommandsStatus()
+{}
+
 /*!
   Initialize with application arguments
   \param argc - number of application arguments
@@ -263,6 +269,12 @@ void SUIT_Application::setActiveStudy( SUIT_Study* study )
   if ( myStudy == study )
     return;
 
+  if(myStudy)
+    disconnect(myStudy, SIGNAL( studyModified( SUIT_Study* ) ), this, SLOT( updateCommandsStatus() ) );
+
+  if(study)
+    connect(study, SIGNAL( studyModified( SUIT_Study* ) ), this, SLOT( updateCommandsStatus() ) );
+	    
   myStudy = study;
 }
 
diff --git a/src/SUIT/SUIT_Application.h b/src/SUIT/SUIT_Application.h
index 0bf48847e..b6d69edca 100755
--- a/src/SUIT/SUIT_Application.h
+++ b/src/SUIT/SUIT_Application.h
@@ -114,6 +114,9 @@ signals:
   void                  activated( SUIT_Application* );
   void                  infoChanged( QString );
 
+public slots:
+  virtual void          updateCommandsStatus();
+
 private slots:
   void                  onInfoClear();
 
diff --git a/src/SUIT/SUIT_Study.cxx b/src/SUIT/SUIT_Study.cxx
index a3baef3ce..01387d92a 100755
--- a/src/SUIT/SUIT_Study.cxx
+++ b/src/SUIT/SUIT_Study.cxx
@@ -200,6 +200,15 @@ void SUIT_Study::setIsModified( const bool on )
   myIsModified = on;
 }
 
+/*!
+  Set study modified to \a on.
+ */
+void SUIT_Study::Modified()
+{
+  setIsModified( TRUE );
+  sendChangesNotification();
+}
+
 /*!
   Set root object.
  */
diff --git a/src/SUIT/SUIT_Study.h b/src/SUIT/SUIT_Study.h
index 156c6bc74..c206d4fbb 100755
--- a/src/SUIT/SUIT_Study.h
+++ b/src/SUIT/SUIT_Study.h
@@ -50,6 +50,7 @@ public:
 
   virtual bool      isSaved()  const;
   virtual bool      isModified() const;
+  virtual void      Modified();
 
   virtual void      createDocument();
   virtual void      closeDocument( bool = true );
-- 
2.39.2