[460610] Avoids abusive representation node selection.

* When selecting in the model explorer view an element which is not in
the current representation, because of an empty selection list, the
representation was selected.

Bug: 460610
Change-Id: I1a49b04b25bbfc82543c5f3665f22f85150b53a4
Signed-off-by: Florian Barbin <florian.barbin@obeo.fr>

1 files changed, 3 insertions, 1 deletions

diff --git a/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/tools/internal/views/modelexplorer/SiriusDialectLinkWithEditorSelectionListener.java b/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/tools/internal/views/modelexplorer/SiriusDialectLinkWithEditorSelectionListener.java
index fd20ef9ed8..0a88aabee4 100644
--- a/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/tools/internal/views/modelexplorer/SiriusDialectLinkWithEditorSelectionListener.java
+++ b/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/tools/internal/views/modelexplorer/SiriusDialectLinkWithEditorSelectionListener.java
@@ -119,7 +119,9 @@ public class SiriusDialectLinkWithEditorSelectionListener implements ISelectionC
                     page.bringToTop(activeEditor);
                     DialectEditor dialectEditor = (DialectEditor) activeEditor;
                     List<DRepresentationElement> representationElements = getRepresentationElements(dialectEditor.getRepresentation(), ((IStructuredSelection) selection).toList());
-                    DialectUIManager.INSTANCE.setSelection(dialectEditor, representationElements);
+                    if (!representationElements.isEmpty()) {
+                        DialectUIManager.INSTANCE.setSelection(dialectEditor, representationElements);
+                    }
                 }
             } else {
                 Set<EObject> targets = getTargetsFromSelection((IStructuredSelection) selection);