Merge branch 'bug-1639' into 'develop'

BUG: fix issue #1639 Update UserValue flag in QtWidgetParameterList

Closes #1639

See merge request orfeotoolbox/otb!142

Modules/Wrappers/QtWidget/include/otbWrapperQtWidgetListEditWidget.h

@@ -135,6 +135,7 @@ signals:
   /** */
   void Updated();
 
+  void ValueChanged();
   /*-[ PROTECTED SECTION ]---------------------------------------------------*/
 
 //

Modules/Wrappers/QtWidget/src/otbWrapperQtWidgetListEditWidget.cxx

@@ -619,6 +619,11 @@ ListEditWidget
 
   assert( GetItemModel()!=nullptr );
 
+  //Notify the ParameterList that the parameter has been modified (UserValue)
+  // ParameterList is not available in this class, transfer the signal to WidgetParameterList
+  emit ValueChanged();
+
+  //Then, trigger the update the application parameters
   emit Updated();
 }
 

Modules/Wrappers/QtWidget/src/otbWrapperQtWidgetModel.cxx

@@ -130,13 +130,13 @@ QtWidgetModel
   OutputProcessXMLParameter::Pointer outXMLParam = OutputProcessXMLParameter::New();
 
   TiXmlElement* XMLAppElement = outXMLParam->ParseApplication(m_Application);
- 
+
   //Create command line from the XML document
   TiXmlElement * pName, *pParam;
   std::ostringstream cmdLine;
 
   cmdLine << "";
-    
+
   if(XMLAppElement)
     {
     pName = XMLAppElement->FirstChildElement("name");
@@ -149,10 +149,10 @@ QtWidgetModel
 
     //Parse application parameters
     pParam = XMLAppElement->FirstChildElement("parameter");
-    
+
     while(pParam)
       {
-      //Get pareter key
+      //Get parameter key
       cmdLine << "-";
       cmdLine << pParam->FirstChildElement("key")->GetText();
       cmdLine << " ";
@@ -169,8 +169,8 @@ QtWidgetModel
           {
           cmdLine << pValue->GetText();
           cmdLine << " ";
-            
-          pValue = pValue->NextSiblingElement(); // iteration over multiple values 
+
+          pValue = pValue->NextSiblingElement(); // iteration over multiple values
           }
         }
       else
@@ -188,13 +188,13 @@ QtWidgetModel
           cmdLine << " ";
           }
         }
-        
+
       pParam = pParam->NextSiblingElement(); // iteration over parameters
       }
 
     //Insert a new line character at the end of the command line
     cmdLine << std::endl;
-    
+
     //Report the command line string to the application logger
     m_Application->GetLogger()->Write(itk::LoggerBase::INFO, cmdLine.str());
     }

Modules/Wrappers/QtWidget/src/otbWrapperQtWidgetParameterList.cxx

@@ -83,7 +83,13 @@ QtWidgetParameterList
   setLayout( gLayout );
 
   //
-  // Connections.
+  // Connections (Update UserValue flag).
+  QObject::connect(
+    widget, &ListEditWidget::ValueChanged,
+    this, [=] () { emit ParameterChanged( GetParam()->GetKey() ); }
+  );
+
+  // Connections (Update app parameters).
   QObject::connect(
     widget, SIGNAL( Updated() ),
     this, SIGNAL( NotifyUpdate() )