Basic functionnality adition showing the black box input ports

[bbtkGEditor.git] / lib / EditorGraphicBBS / bbsKernelEditorGraphic / Observable.cxx

diff --git a/lib/EditorGraphicBBS/bbsKernelEditorGraphic/Observable.cxx b/lib/EditorGraphicBBS/bbsKernelEditorGraphic/Observable.cxx
new file mode 100644 (file)
index 0000000..819f341
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+++ b/lib/EditorGraphicBBS/bbsKernelEditorGraphic/Observable.cxx
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+/*=========================================================================                                                                               
+Program:   bbtk
+Module:    $RCSfile$
+Language:  C++
+Date:      $Date$
+Version:   $Revision$
+=========================================================================*/
+
+/* ---------------------------------------------------------------------
+
+* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
+* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
+*
+*  This software is governed by the CeCILL-B license under French law and 
+*  abiding by the rules of distribution of free software. You can  use, 
+*  modify and/ or redistribute the software under the terms of the CeCILL-B 
+*  license as circulated by CEA, CNRS and INRIA at the following URL 
+*  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
+*  or in the file LICENSE.txt.
+*
+*  As a counterpart to the access to the source code and  rights to copy,
+*  modify and redistribute granted by the license, users are provided only
+*  with a limited warranty  and the software's author,  the holder of the
+*  economic rights,  and the successive licensors  have only  limited
+*  liability. 
+*
+*  The fact that you are presently reading this means that you have had
+*  knowledge of the CeCILL-B license and that you accept its terms.
+* ------------------------------------------------------------------------ */                                                                         
+
+/**
+*  \file 
+*  \brief Class bbtk::Observable 
+*/
+
+
+#include "Observable.h"
+
+namespace bbtk
+{
+
+
+       //=========================================================================
+       Observable::Observable()
+       {
+               _changed=false;
+       }
+
+       //=========================================================================
+       Observable::~Observable()
+       {
+       }
+       //=========================================================================
+       
+       bool Observable::hasChanged()
+       {
+               return _changed;
+       }
+
+       //=========================================================================
+       
+       void Observable::notifyObservers()
+       {
+               int i;
+               for(i=0;i<_observers.size();i++)
+               {
+                       _observers[i]->update();
+               }               
+               _changed=false;
+       }
+
+    //=========================================================================                
+       
+       void Observable::setChanged()
+       {
+               _changed=true;
+       }
+
+       //=========================================================================
+
+}  // EO namespace bbtk
+
+// EOF
+