ENH: add drop support for all ParameterList

Modules/Visualization/MonteverdiGui/include/mvdQtWidgetParameterInitializers.h

@@ -60,6 +60,7 @@
 #include "otbWrapperQtWidgetOutputProcessXMLParameter.h"
 #include "otbWrapperQtWidgetOutputVectorDataParameter.h"
 #include "otbWrapperQtWidgetParameterFactory.h"
+#include "otbWrapperQtWidgetListEditWidget.h"
 #endif //tag=QT4-boost-compatibility
 
 #include "OTBMonteverdiGUIExport.h"
@@ -133,7 +134,6 @@ class FileSelectionInitializer : public std::unary_function<
   >
 {
 public:
-  inline FileSelectionInitializer();
   inline result_type operator () ( argument_type widget ) const;
 };
 
@@ -150,7 +150,6 @@ class InputImageInitializer : public std::unary_function<
   >
 {
 public:
-  inline InputImageInitializer();
   inline result_type operator () ( argument_type widget ) const;
 };
 
@@ -167,12 +166,7 @@ class InputImageListInitializer : public std::unary_function<
   >
 {
 public:
-  inline InputImageListInitializer( QWidget * view );
-
   inline result_type operator () ( argument_type widget ) const;
-
-private:
-  QWidget * m_View;
 };
 
 /**
@@ -202,12 +196,7 @@ class InputVectorDataListInitializer : public std::unary_function<
   void >
 {
 public:
-  inline InputVectorDataListInitializer( QWidget * view );
-
   inline result_type operator () ( argument_type widget ) const;
-
-private:
-  QWidget * m_View;
 };
 
 /**
@@ -237,12 +226,7 @@ class InputFilenameListInitializer : public std::unary_function<
   void >
 {
 public:
-  inline InputFilenameListInitializer( QWidget * view );
-
   inline result_type operator () ( argument_type widget ) const;
-
-private:
-  QWidget * m_View;
 };
 
 /**
@@ -295,8 +279,6 @@ class OutputVectorDataInitializer : public std::unary_function<
 {
 public:
   inline result_type operator () ( argument_type widget ) const;
-
-private:
 };
 
 /**
@@ -313,8 +295,6 @@ class OutputFilenameInitializer : public std::unary_function<
 {
 public:
   inline result_type operator () ( argument_type widget ) const;
-
-private:
 };
 
 /**
@@ -331,8 +311,6 @@ class OutputProcessXMLInitializer : public std::unary_function<
 {
 public:
   inline result_type operator () ( argument_type widget ) const;
-
-private:
 };
 
 /**
@@ -348,6 +326,21 @@ public:
   inline result_type operator () ( argument_type widget ) const;
 };
 
+/**
+ * \class ParameterListInitializer
+ *
+ * \ingroup OTBMonteverdiGUI
+ *
+ * \brief WIP.
+ */
+class ParameterListInitializer : public std::unary_function<
+  otb::Wrapper::QtWidgetParameterList *,
+  void >
+{
+public:
+  inline result_type operator () ( argument_type widget ) const;
+};
+
 } // end namespace 'Wrapper'.
 
 } // end namespace 'mvd'.
@@ -381,13 +374,6 @@ namespace mvd
 namespace Wrapper
 {
 
-/*****************************************************************************/
-inline
-FileSelectionInitializer
-::FileSelectionInitializer()
-{
-}
-
 /*****************************************************************************/
 inline
 FileSelectionInitializer::result_type
@@ -399,13 +385,6 @@ FileSelectionInitializer
   SetupForFilenameDrop( widget, "You can drop filename here." );
 }
 
-/*****************************************************************************/
-inline
-InputImageInitializer
-::InputImageInitializer()
-{
-}
-
 /*****************************************************************************/
 inline
 InputImageInitializer::result_type
@@ -417,14 +396,6 @@ InputImageInitializer
   SetupForFilenameDrop( widget, "You can drop filename here." );
 }
 
-/*****************************************************************************/
-inline
-InputImageListInitializer
-::InputImageListInitializer( QWidget * view ) :
-  m_View( view )
-{
-}
-
 /*****************************************************************************/
 inline
 InputImageListInitializer::result_type
@@ -433,12 +404,7 @@ InputImageListInitializer
 {
   assert( widget!=NULL );
 
-  QObject::connect(
-    widget, SIGNAL( FileSelectionWidgetAdded( QWidget * ) ),
-    m_View, SLOT( OnFileSelectionWidgetAdded0( QWidget * ) )
-  );
-
-  SetupWidget( widget, FileSelectionInitializer() );
+  // Drop support is done by ParameterListInitializer
 }
 
 /*****************************************************************************/
@@ -452,14 +418,6 @@ InputFilenameInitializer
   SetupForFilenameDrop( widget, "You can drop filename here." );
 }
 
-/*****************************************************************************/
-inline
-InputFilenameListInitializer
-::InputFilenameListInitializer( QWidget * view ) :
-  m_View( view )
-{
-}
-
 /*****************************************************************************/
 inline
 InputFilenameListInitializer::result_type
@@ -468,12 +426,7 @@ InputFilenameListInitializer
 {
   assert( widget!=NULL );
 
-  QObject::connect(
-    widget, SIGNAL( FileSelectionWidgetAdded( QWidget * ) ),
-    m_View, SLOT( OnFileSelectionWidgetAdded0( QWidget * ) )
-  );
-
-  SetupWidget( widget, FileSelectionInitializer() );
+  // Drop support is done by ParameterListInitializer
 }
 
 /*****************************************************************************/
@@ -487,14 +440,6 @@ InputVectorDataInitializer
   SetupForFilenameDrop( widget, "You can drop filename here." );
 }
 
-/*****************************************************************************/
-inline
-InputVectorDataListInitializer
-::InputVectorDataListInitializer( QWidget * view ) :
-  m_View( view )
-{
-}
-
 /*****************************************************************************/
 inline
 InputVectorDataListInitializer::result_type
@@ -503,12 +448,7 @@ InputVectorDataListInitializer
 {
   assert( widget!=NULL );
 
-  QObject::connect(
-    widget, SIGNAL( FileSelectionWidgetAdded( QWidget * ) ),
-    m_View, SLOT( OnFileSelectionWidgetAdded0( QWidget * ) )
-  );
-
-  SetupWidget( widget, FileSelectionInitializer() );
+  // Drop support is done by ParameterListInitializer
 }
 
 /*****************************************************************************/
@@ -627,6 +567,34 @@ OutputProcessXMLInitializer
   // }
 }
 
+/*****************************************************************************/
+inline
+ParameterListInitializer::result_type
+ParameterListInitializer
+::operator () ( argument_type widget ) const
+{
+  assert( widget!=nullptr );
+
+  QWidget *listWidget = widget->layout()->itemAt(0)->widget();
+
+  assert( listWidget );
+
+  otb::Wrapper::ListEditWidget *castListEdit =
+    dynamic_cast<otb::Wrapper::ListEditWidget *>(listWidget);
+
+  assert(castListEdit);
+
+  QObject* eventFilter = new FilenameDragAndDropEventFilter( castListEdit );
+  castListEdit->installEventFilter(eventFilter);
+  QObject::connect(
+    eventFilter,
+    SIGNAL( FilenameDropped( const QString& ) ),
+    // to:
+    castListEdit,
+    SLOT( OnFilenameDropped( const QString& ) )
+  );
+}
+
 /*****************************************************************************/
 template< typename W >
 void

Modules/Visualization/MonteverdiGui/src/mvdQtWidgetView.cxx

@@ -345,12 +345,13 @@ QtWidgetView
   assert( widget!=NULL );
 
   SetupWidget( widget, InputFilenameInitializer() );
-  SetupWidget( widget, InputFilenameListInitializer( this ) );
+  //SetupWidget( widget, InputFilenameListInitializer() );
   SetupWidget( widget, InputImageInitializer() );
-  SetupWidget( widget, InputImageListInitializer( this ) );
+  //SetupWidget( widget, InputImageListInitializer() );
   SetupWidget( widget, InputProcessXMLInitializer() );
   SetupWidget( widget, InputVectorDataInitializer() );
-  SetupWidget( widget, InputVectorDataListInitializer( this ) );
+  //SetupWidget( widget, InputVectorDataListInitializer() );
+  SetupWidget( widget, ParameterListInitializer() );
 #if defined( OTB_DEBUG )
   SetupWidget( widget, ToolTipInitializer() );
 #endif