Merge branch 'develop' of https://git.orfeo-toolbox.org/git/otb into develop

Modules/Wrappers/QtWidget/src/otbWrapperQtWidgetInputVectorDataParameter.cxx

@@ -38,9 +38,12 @@ QtWidgetInputVectorDataParameter::~QtWidgetInputVectorDataParameter()
 void QtWidgetInputVectorDataParameter::DoUpdateGUI()
 {
   //update lineedit
-  QString text( m_InputVectorDataParam->GetFileName().c_str() );
-  if (text != m_Input->text())
-    m_Input->setText(text);
+  if(m_InputVectorDataParam->HasUserValue())
+    {
+    QString text( m_InputVectorDataParam->GetFileName().c_str() );
+    if (text != m_Input->text())
+      m_Input->setText(text);
+    }
 }
 
 void QtWidgetInputVectorDataParameter::DoCreateWidget()