[475727] Be able to drag'n drop additional layer into other diagramDesc

- Customize DiagramDescriptionItemProvider.getChildFeature() to return
DiagramDescription.additionalLayers feature to manage drag'n drop.

Bug: 475727
Change-Id: I0a5824cee1625ffa5e25ea370561c7380c2cf63c
Signed-off-by: Esteban Dugueperoux <esteban.dugueperoux@obeo.fr>

1 files changed, 5 insertions, 1 deletions

diff --git a/plugins/org.eclipse.sirius.diagram.ui/src-gen/org/eclipse/sirius/diagram/description/provider/DiagramDescriptionItemProvider.java b/plugins/org.eclipse.sirius.diagram.ui/src-gen/org/eclipse/sirius/diagram/description/provider/DiagramDescriptionItemProvider.java
index 709538acf7..d9462dc9ad 100644
--- a/plugins/org.eclipse.sirius.diagram.ui/src-gen/org/eclipse/sirius/diagram/description/provider/DiagramDescriptionItemProvider.java
+++ b/plugins/org.eclipse.sirius.diagram.ui/src-gen/org/eclipse/sirius/diagram/description/provider/DiagramDescriptionItemProvider.java
@@ -23,6 +23,7 @@ import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
 import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
 import org.eclipse.emf.edit.provider.ViewerNotification;
 import org.eclipse.sirius.business.api.query.IdentifiedElementQuery;
+import org.eclipse.sirius.diagram.description.AdditionalLayer;
 import org.eclipse.sirius.diagram.description.DescriptionFactory;
 import org.eclipse.sirius.diagram.description.DiagramDescription;
 import org.eclipse.sirius.diagram.description.EdgeMapping;
@@ -451,13 +452,16 @@ public class DiagramDescriptionItemProvider extends DragAndDropTargetDescription
     /**
      * <!-- begin-user-doc --> <!-- end-user-doc -->
      * 
-     * @generated
+     * @generated NOT
      */
     @Override
     protected EStructuralFeature getChildFeature(Object object, Object child) {
         // Check the type of the specified child object and return the proper
         // feature to use for
         // adding (see {@link AddCommand}) it as a child.
+        if (object instanceof DiagramDescription && child instanceof AdditionalLayer) {
+            return org.eclipse.sirius.diagram.description.DescriptionPackage.Literals.DIAGRAM_DESCRIPTION__ADDITIONAL_LAYERS;
+        }
 
         return super.getChildFeature(object, child);
     }