SceneGraph::save(), SceneGraph::load_object() take "filename" instead

of "value" as an argument.

Author: BrunoLevy

src/lib/OGF/scene_graph/skin/application_base.cpp

@@ -212,7 +212,7 @@ namespace OGF {
         Object* scene_graph = interpreter()->resolve_object("scene_graph");
         if(scene_graph != nullptr) {
             ArgList args;
-            args.create_arg("value",filename);
+            args.create_arg("filename",filename);
             scene_graph->invoke_method("save", args);
         }
     }
@@ -231,7 +231,7 @@ namespace OGF {
         if(scene_graph != nullptr) {
             ArgList args;
             scene_graph->invoke_method("clear",args);
-            args.create_arg("value",filename);
+            args.create_arg("filename",filename);
             scene_graph->invoke_method("load_object", args);
         }
     }

src/lib/OGF/scene_graph/skin/application_base.h

@@ -367,15 +367,24 @@ namespace OGF {
 
         /**
          * \brief Saves Graphite state to a file.
+	 * \param[in] filename a filename with or without path with .graphite
+	 *   extension.
+	 * \details The Graphite state contains all the objects of the
+	 *   scene graph, their graphic attributes, the command-line parameters,
+	 *   the placement of the windows and the command history.
          */
         virtual void save_state_to_file(const std::string& filename);
 
         /**
-         * \brief Saves Graphite state to a file.
+         * \brief Loads Graphite state from a file.
+	 * \param[in] filename a filename with or without path with .graphite
+	 *   extension.
+	 * \details The Graphite state contains all the objects of the
+	 *   scene graph, their graphic attributes, the command-line parameters,
+	 *   the placement of the windows and the command history.
          */
         virtual void load_state_from_file(const std::string& filename);
 
-
         /**
          * \brief Gets the file name to be used to store a state buffer.
          * \details Used by undo() / redo(). State buffers are stored