- Prevent multiple fan-in for IHierarchicElement -> IConnector connections...

- Prevent multiple fan-in for IHierarchicElement -> IConnector connections (was erroneously enabled in some cases)
- If this is desired, concrete compositors should override canConnectInterally()
refs 2233

org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/compose/HierarchicElementConnectorConnectionCompositorBase.java

@@ -17,11 +17,11 @@ $Id: codetemplates.xml 1 2011-01-01 00:00:01Z hoelzl $
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.base.ui.compose;
 
-import org.eclipse.gef.RootEditPart;
 import org.fortiss.tooling.base.model.base.EntryConnectorBase;
 import org.fortiss.tooling.base.model.element.IConnector;
 import org.fortiss.tooling.base.model.element.IHierarchicElement;
 import org.fortiss.tooling.base.ui.dnd.gef.ConnectionDragContext;
+import org.fortiss.tooling.base.ui.editpart.ElementEditPartBase;
 import org.fortiss.tooling.base.ui.editpart.FreeConnectorEditPartBase;
 import org.fortiss.tooling.kernel.extension.data.IConnectionCompositionContext;
 import org.fortiss.tooling.kernel.extension.data.ITopLevelElement;
@@ -50,7 +50,7 @@ public abstract class HierarchicElementConnectorConnectionCompositorBase<HE exte
 		if(context instanceof ConnectionDragContext) {
 			ConnectionDragContext dc = (ConnectionDragContext)context;
 			if(dc.getTarget() instanceof FreeConnectorEditPartBase &&
-					dc.getSource() instanceof RootEditPart) {
+					dc.getSource() instanceof ElementEditPartBase) {
 				return canConnectInterally();
 			}
 		}