ENH: add the DirectoryParameter to the list of handled params in the factory

Code/Wrappers/QtWidget/otbWrapperQtWidgetParameterFactory.cxx

@@ -33,6 +33,7 @@
 #include "otbWrapperQtWidgetOutputImageParameter.h"
 #include "otbWrapperQtWidgetOutputVectorDataParameter.h"
 #include "otbWrapperQtWidgetFilenameParameter.h"
+#include "otbWrapperQtWidgetDirectoryParameter.h"
 #include "otbWrapperQtWidgetParameterGroup.h"
 #include "otbWrapperQtWidgetInputVectorDataListParameter.h"
 
@@ -88,6 +89,7 @@ QtWidgetParameterFactory::CreateQtWidget( Parameter* param, QtWidgetModel* model
   CREATEWIDGET(IntParameter,            QtWidgetIntParameter)
   CREATEWIDGET(FloatParameter,          QtWidgetFloatParameter)
   CREATEWIDGET(FilenameParameter,       QtWidgetFilenameParameter)
+  CREATEWIDGET(DirectoryParameter,      QtWidgetDirectoryParameter)
   CREATEWIDGET(StringParameter,         QtWidgetStringParameter)
   CREATEWIDGET(ChoiceParameter,         QtWidgetChoiceParameter)
   CREATEWIDGET(ListViewParameter,       QtWidgetListViewParameter)