add method to activate dtkObjectManager in composer extensions

src/dtkComposer/dtkComposer.cpp

@@ -80,6 +80,7 @@ namespace dtkComposer
         namespace _private {
             dtkComposerExtensionPluginFactory factory;
             dtkComposerExtensionPluginManager manager;
+            bool activate_obj_mgr = false;
         }
 
         dtkComposerExtensionPluginFactory& pluginFactory(void)
@@ -92,6 +93,18 @@ namespace dtkComposer
             return _private::manager;
         }
 
+        void activateObjectManager(bool val)
+        {
+            qDebug() << "set activate object manager to:" << val;
+            _private::activate_obj_mgr = val;
+        }
+
+        bool isObjectManagerActive(void)
+        {
+            qDebug() << "is active object manager ?" << _private::activate_obj_mgr ;
+            return _private::activate_obj_mgr ;
+        }
+
         void initialize(const QString& path)
         {
             QString realpath = path;

src/dtkComposer/dtkComposer.h

@@ -34,6 +34,8 @@ namespace dtkComposer {
         DTKCOMPOSER_EXPORT dtkComposerExtensionPluginFactory& pluginFactory(void);
         DTKCOMPOSER_EXPORT dtkComposerExtensionPluginManager& pluginManager(void);
         DTKCOMPOSER_EXPORT void initialize(const QString& path = "");
+        DTKCOMPOSER_EXPORT void activateObjectManager(bool val = true);
+        DTKCOMPOSER_EXPORT bool isObjectManagerActive(void);
     }
 }