New widget pipeline : progressing ...

[bbtk.git] / kernel / src / bbtkAtomicBlackBox.cxx

diff --git a/kernel/src/bbtkAtomicBlackBox.cxx b/kernel/src/bbtkAtomicBlackBox.cxx
index 1dba6df361e943a0857a2fdaa979883317692e59..3ee7d62b05d0e98e685e87f7683b04fcbc9c382a 100644 (file)
--- a/kernel/src/bbtkAtomicBlackBox.cxx
+++ b/kernel/src/bbtkAtomicBlackBox.cxx
@@ -1,21 +1,33 @@
-/*=========================================================================
-                                                                                
+/*=========================================================================                                                                               
   Program:   bbtk
   Module:    $RCSfile: bbtkAtomicBlackBox.cxx,v $
   Language:  C++
-  Date:      $Date: 2008/04/24 10:11:27 $
-  Version:   $Revision: 1.6 $
-                                                                                
-  Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
-  l'Image). All rights reserved. See Doc/License.txt or
-  http://www.creatis.insa-lyon.fr/Public/bbtk/License.html for details.
-                                                                                
-     This software is distributed WITHOUT ANY WARRANTY; without even
-     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-     PURPOSE.  See the above copyright notices for more information.
-                                                                                
+  Date:      $Date: 2008/11/25 11:17:13 $
+  Version:   $Revision: 1.10 $
 =========================================================================*/
 
+/* ---------------------------------------------------------------------
+
+* 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 
@@ -80,7 +92,18 @@ namespace bbtk
                        "=> AtomicBlackBox::bbBackwardUpdate("
                        <<(caller?caller->GetFullName():"0")<<") ["
                        <<bbGetFullName()<<"]"<<std::endl);
-    
+
+    // If already executing : return
+    if (bbGetExecuting()) 
+      {
+       bbtkDebugMessage("process",3,
+                        " -> already executing : bailing out"<<std::endl);
+       return bbGetStatus();
+      }
+    bbSetExecuting(true);
+    bool wasExecuting = bbGlobalGetSomeBoxExecuting();
+    bbGlobalSetSomeBoxExecuting(true);
+
     bbtkDebugMessage("process",5,"Initial Status  = "<<bbGetStatus()
                     <<std::endl);
     bbtkDebugMessage("process",5,"BoxProcessMode  = "
@@ -90,26 +113,30 @@ namespace bbtk
     if ( ( bbGetStatus() == MODIFIED ) ||
         ( bbBoxProcessModeIsAlways() ) )
       {
-        bool wasExecuting = bbGlobalGetSomeBoxExecuting();
-        bbGlobalSetSomeBoxExecuting(true);
+
+       //      bbSetStatus(UPDATING);
 
         // Updates its inputs
         IOStatus s = bbUpdateInputs();
     
-        bbtkDebugMessage("process",6,"Inputs post-update status = "<<s<<std::endl);
+        bbtkDebugMessage("process",6,"=> AtomicBlackBox::bbBackwardUpdate("
+                       <<(caller?caller->GetFullName():"0")<<") ["
+                       <<bbGetFullName()<<"] : Inputs post-update status = "<<s<<std::endl);
         // If all inputs are in UPTODATE post-update status 
         // and mProcessMode is not "Always"
         // then the box is now UPTODATE
+       IOStatus new_status;
         if ( ( s == UPTODATE ) && 
             ( ! bbBoxProcessModeIsAlways() ) ) 
             {
-                bbSetStatus(UPTODATE);
+                new_status = UPTODATE;
             }
         else 
             {
                 // else it remains MODIFIED
-                bbSetStatus(MODIFIED);
+                 new_status = MODIFIED;
             }
+       bbSetStatus(new_status);
 
         // User process
         bbProcess();
@@ -117,7 +144,6 @@ namespace bbtk
         // Displays the window (WxBlackbox)
         bbShowWindow(caller);
 
-        bbGlobalSetSomeBoxExecuting(wasExecuting);
 
       }
     else 
@@ -125,12 +151,16 @@ namespace bbtk
         bbtkDebugMessage("process",5,"Up-to-date : nothing to do"<<std::endl);
       }
 
-    bbtkDebugMessage("process",5,"Final Status    = "
-            <<bbGetStatus()<<std::endl);
+    bbtkDebugMessage("process",5,"=> AtomicBlackBox::bbBackwardUpdate("
+                    <<(caller?caller->GetFullName():"0")<<") ["
+                    <<bbGetFullName()<<"] : Final Status    = "
+                    <<bbGetStatus()<<std::endl);
     bbtkDebugMessage("process",3,
             "<= AtomicBlackBox::bbBackwardUpdate() ["
             <<bbGetFullName()<<"]"<<std::endl);
 
+    bbSetExecuting(false);
+    bbGlobalSetSomeBoxExecuting(wasExecuting);
 
     return bbGetStatus();
 
@@ -197,7 +227,7 @@ namespace bbtk
                 Data data, 
                 bool setModified )
   {
-    bbtkDebugMessageInc("Data",7,
+    bbtkDebugMessageInc("data",7,
             "AtomicBlackBox::bbSetInput(\""<<name<<"\",data) ["
             <<bbGetFullName()<<"]"
             <<std::endl);  
@@ -208,7 +238,7 @@ namespace bbtk
             bbSetModifiedStatus();
         }
     
-    bbtkDebugDecTab("Data",7);
+    bbtkDebugDecTab("data",7);
   }
   //=========================================================================
   
@@ -221,7 +251,7 @@ namespace bbtk
                     bool setModified
     )
   {
-    bbtkDebugMessageInc("Data",7,
+    bbtkDebugMessageInc("data",7,
             "AtomicBlackBox::bbBruteForceSetInputPointer(\""
             <<name<<"\",data) ["
             <<bbGetFullName()<<"]"
@@ -235,7 +265,7 @@ namespace bbtk
         bbSetModifiedStatus();
       }
     
-    bbtkDebugDecTab("Data",7);
+    bbtkDebugDecTab("data",7);
   }
   //=========================================================================