1 files changed, 253 insertions, 253 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.statemachine/src/org/eclipse/papyrus/uml/diagram/statemachine/edit/policies/RegionCompartmentCanonicalEditPolicy.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.statemachine/src/org/eclipse/papyrus/uml/diagram/statemachine/edit/policies/RegionCompartmentCanonicalEditPolicy.java
index dd3e4ca1fea..cff0baa83a3 100644
--- a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.statemachine/src/org/eclipse/papyrus/uml/diagram/statemachine/edit/policies/RegionCompartmentCanonicalEditPolicy.java
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.statemachine/src/org/eclipse/papyrus/uml/diagram/statemachine/edit/policies/RegionCompartmentCanonicalEditPolicy.java
@@ -1,253 +1,253 @@
-/**
- * Copyright (c) 2014 CEA LIST.
- * 
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Contributors:
- *  CEA LIST - Initial API and implementation
- */
-package org.eclipse.papyrus.uml.diagram.statemachine.edit.policies;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Set;
-
-import org.eclipse.core.runtime.IAdaptable;
-import org.eclipse.draw2d.geometry.Dimension;
-import org.eclipse.draw2d.geometry.Point;
-import org.eclipse.draw2d.geometry.Rectangle;
-import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.ecore.EStructuralFeature;
-import org.eclipse.gef.EditPart;
-import org.eclipse.gef.commands.Command;
-import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
-import org.eclipse.gmf.runtime.diagram.ui.commands.DeferredLayoutCommand;
-import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
-import org.eclipse.gmf.runtime.diagram.ui.commands.SetBoundsCommand;
-import org.eclipse.gmf.runtime.diagram.ui.commands.SetViewMutabilityCommand;
-import org.eclipse.gmf.runtime.diagram.ui.editpolicies.CanonicalEditPolicy;
-import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;
-import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
-import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
-import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
-import org.eclipse.gmf.runtime.notation.Bounds;
-import org.eclipse.gmf.runtime.notation.Location;
-import org.eclipse.gmf.runtime.notation.Node;
-import org.eclipse.gmf.runtime.notation.Size;
-import org.eclipse.gmf.runtime.notation.View;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.CommentEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.ConstraintEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.FinalStateEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateChoiceEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateDeepHistoryEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateEntryPointEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateExitPointEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateForkEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateInitialEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateJoinEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateJunctionEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateShallowHistoryEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateTerminateEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.StateEditPart;
-import org.eclipse.papyrus.uml.diagram.statemachine.part.UMLDiagramUpdater;
-import org.eclipse.papyrus.uml.diagram.statemachine.part.UMLNodeDescriptor;
-import org.eclipse.papyrus.uml.diagram.statemachine.part.UMLVisualIDRegistry;
-import org.eclipse.uml2.uml.UMLPackage;
-
-/**
- * @generated
- */
-public class RegionCompartmentCanonicalEditPolicy extends CanonicalEditPolicy {
-	/**
-	 * @generated
-	 */
-	private Set<EStructuralFeature> myFeaturesToSynchronize;
-
-	/**
-	 * @generated
-	 */
-	protected void refreshOnActivate() {
-		// Need to activate editpart children before invoking the canonical refresh for EditParts to add event listeners
-		List<?> c = getHost().getChildren();
-		for (int i = 0; i < c.size(); i++) {
-			((EditPart) c.get(i)).activate();
-		}
-		super.refreshOnActivate();
-	}
-
-	/**
-	 * @generated
-	 */
-	protected Set<EStructuralFeature> getFeaturesToSynchronize() {
-		if (myFeaturesToSynchronize == null) {
-			myFeaturesToSynchronize = new HashSet<EStructuralFeature>();
-			myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getRegion_Subvertex());
-			myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getStateMachine_ConnectionPoint());
-			myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getElement_OwnedComment());
-			myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getNamespace_OwnedRule());
-		}
-		return myFeaturesToSynchronize;
-	}
-
-	/**
-	 * @generated
-	 */
-	protected List<EObject> getSemanticChildrenList() {
-		View viewObject = (View) getHost().getModel();
-		LinkedList<EObject> result = new LinkedList<EObject>();
-		List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.getRegionRegionCompartment_3002SemanticChildren(viewObject);
-		for (UMLNodeDescriptor d : childDescriptors) {
-			result.add(d.getModelElement());
-		}
-		return result;
-	}
-
-	/**
-	 * @generated
-	 */
-	protected boolean isOrphaned(Collection<EObject> semanticChildren, final View view) {
-		return isMyDiagramElement(view) && !semanticChildren.contains(view.getElement());
-	}
-
-	/**
-	 * @generated
-	 */
-	private boolean isMyDiagramElement(View view) {
-		int visualID = UMLVisualIDRegistry.getVisualID(view);
-		switch (visualID) {
-		case PseudostateInitialEditPart.VISUAL_ID:
-		case PseudostateJoinEditPart.VISUAL_ID:
-		case PseudostateForkEditPart.VISUAL_ID:
-		case PseudostateChoiceEditPart.VISUAL_ID:
-		case PseudostateJunctionEditPart.VISUAL_ID:
-		case PseudostateShallowHistoryEditPart.VISUAL_ID:
-		case PseudostateDeepHistoryEditPart.VISUAL_ID:
-		case PseudostateTerminateEditPart.VISUAL_ID:
-		case FinalStateEditPart.VISUAL_ID:
-		case StateEditPart.VISUAL_ID:
-		case PseudostateEntryPointEditPart.VISUAL_ID:
-		case PseudostateExitPointEditPart.VISUAL_ID:
-		case CommentEditPart.VISUAL_ID:
-		case ConstraintEditPart.VISUAL_ID:
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * @generated
-	 */
-	protected void refreshSemantic() {
-		if (resolveSemanticElement() == null) {
-			return;
-		}
-		LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
-		List<UMLNodeDescriptor> childDescriptors =
-				UMLDiagramUpdater.getRegionRegionCompartment_3002SemanticChildren((View) getHost().getModel());
-		LinkedList<View> orphaned = new LinkedList<View>();
-		// we care to check only views we recognize as ours
-		LinkedList<View> knownViewChildren = new LinkedList<View>();
-		for (View v : getViewChildren()) {
-			if (isMyDiagramElement(v)) {
-				knownViewChildren.add(v);
-			}
-		}
-		// alternative to #cleanCanonicalSemanticChildren(getViewChildren(), semanticChildren)
-		HashMap<UMLNodeDescriptor, LinkedList<View>> potentialViews = new HashMap<UMLNodeDescriptor, LinkedList<View>>();
-		//
-		// iteration happens over list of desired semantic elements, trying to find best matching View, while original CEP
-		// iterates views, potentially losing view (size/bounds) information - i.e. if there are few views to reference same EObject, only last one 
-		// to answer isOrphaned == true will be used for the domain element representation, see #cleanCanonicalSemanticChildren()
-		for (Iterator<UMLNodeDescriptor> descriptorsIterator = childDescriptors.iterator(); descriptorsIterator.hasNext();) {
-			UMLNodeDescriptor next = descriptorsIterator.next();
-			String hint = UMLVisualIDRegistry.getType(next.getVisualID());
-			LinkedList<View> perfectMatch = new LinkedList<View>(); // both semanticElement and hint match that of NodeDescriptor
-			LinkedList<View> potentialMatch = new LinkedList<View>(); // semanticElement matches, hint does not
-			for (View childView : getViewChildren()) {
-				EObject semanticElement = childView.getElement();
-				if (next.getModelElement().equals(semanticElement)) {
-					if (hint.equals(childView.getType())) {
-						perfectMatch.add(childView);
-						// actually, can stop iteration over view children here, but
-						// may want to use not the first view but last one as a 'real' match (the way original CEP does
-						// with its trick with viewToSemanticMap inside #cleanCanonicalSemanticChildren
-					} else {
-						potentialMatch.add(childView);
-					}
-				}
-			}
-			if (perfectMatch.size() > 0) {
-				descriptorsIterator.remove(); // precise match found no need to create anything for the NodeDescriptor
-				// use only one view (first or last?), keep rest as orphaned for further consideration
-				knownViewChildren.remove(perfectMatch.getFirst());
-			} else if (potentialMatch.size() > 0) {
-				potentialViews.put(next, potentialMatch);
-			}
-		}
-		// those left in knownViewChildren are subject to removal - they are our diagram elements we didn't find match to,
-		// or those we have potential matches to, and thus need to be recreated, preserving size/location information.
-		orphaned.addAll(knownViewChildren);
-		//
-		CompositeTransactionalCommand boundsCommand = new CompositeTransactionalCommand(host().getEditingDomain(), DiagramUIMessages.SetLocationCommand_Label_Resize);
-		ArrayList<CreateViewRequest.ViewDescriptor> viewDescriptors = new ArrayList<CreateViewRequest.ViewDescriptor>(childDescriptors.size());
-		for (UMLNodeDescriptor next : childDescriptors) {
-			String hint = UMLVisualIDRegistry.getType(next.getVisualID());
-			IAdaptable elementAdapter = new CanonicalElementAdapter(next.getModelElement(), hint);
-			CreateViewRequest.ViewDescriptor descriptor = new CreateViewRequest.ViewDescriptor(elementAdapter, Node.class, hint, ViewUtil.APPEND, false, host().getDiagramPreferencesHint());
-			viewDescriptors.add(descriptor);
-			LinkedList<View> possibleMatches = potentialViews.get(next);
-			if (possibleMatches != null) {
-				// from potential matches, leave those that were not eventually used for some other NodeDescriptor (i.e. those left as orphaned)
-				possibleMatches.retainAll(knownViewChildren);
-			}
-			if (possibleMatches != null && !possibleMatches.isEmpty()) {
-				View originalView = possibleMatches.getFirst();
-				knownViewChildren.remove(originalView); // remove not to copy properties of the same view again and again
-				// add command to copy properties
-				if (originalView instanceof Node) {
-					if (((Node) originalView).getLayoutConstraint() instanceof Bounds) {
-						Bounds b = (Bounds) ((Node) originalView).getLayoutConstraint();
-						boundsCommand.add(new SetBoundsCommand(boundsCommand.getEditingDomain(), boundsCommand.getLabel(), descriptor, new Rectangle(b.getX(), b.getY(), b.getWidth(), b.getHeight())));
-					} else if (((Node) originalView).getLayoutConstraint() instanceof Location) {
-						Location l = (Location) ((Node) originalView).getLayoutConstraint();
-						boundsCommand.add(new SetBoundsCommand(boundsCommand.getEditingDomain(), boundsCommand.getLabel(), descriptor, new Point(l.getX(), l.getY())));
-					} else if (((Node) originalView).getLayoutConstraint() instanceof Size) {
-						Size s = (Size) ((Node) originalView).getLayoutConstraint();
-						boundsCommand.add(new SetBoundsCommand(boundsCommand.getEditingDomain(), boundsCommand.getLabel(), descriptor, new Dimension(s.getWidth(), s.getHeight())));
-					}
-				}
-			}
-		}
-		boolean changed = deleteViews(orphaned.iterator());
-		//
-		CreateViewRequest request = getCreateViewRequest(viewDescriptors);
-		Command cmd = getCreateViewCommand(request);
-		if (cmd != null && cmd.canExecute()) {
-			SetViewMutabilityCommand.makeMutable(new EObjectAdapter(host().getNotationView())).execute();
-			executeCommand(cmd);
-			if (boundsCommand.canExecute()) {
-				executeCommand(new ICommandProxy(boundsCommand.reduce()));
-			}
-			@SuppressWarnings("unchecked")
-			List<IAdaptable> nl = (List<IAdaptable>) request.getNewObject();
-			createdViews.addAll(nl);
-		}
-		if (changed || createdViews.size() > 0) {
-			postProcessRefreshSemantic(createdViews);
-		}
-		if (createdViews.size() > 1) {
-			// perform a layout of the container
-			DeferredLayoutCommand layoutCmd = new DeferredLayoutCommand(host().getEditingDomain(), createdViews, host());
-			executeCommand(new ICommandProxy(layoutCmd));
-		}
-		makeViewsImmutable(createdViews);
-	}
-}
+/**
+ * Copyright (c) 2014 CEA LIST.
+ * 
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *  CEA LIST - Initial API and implementation
+ */
+package org.eclipse.papyrus.uml.diagram.statemachine.edit.policies;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.draw2d.geometry.Dimension;
+import org.eclipse.draw2d.geometry.Point;
+import org.eclipse.draw2d.geometry.Rectangle;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EStructuralFeature;
+import org.eclipse.gef.EditPart;
+import org.eclipse.gef.commands.Command;
+import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
+import org.eclipse.gmf.runtime.diagram.ui.commands.DeferredLayoutCommand;
+import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
+import org.eclipse.gmf.runtime.diagram.ui.commands.SetBoundsCommand;
+import org.eclipse.gmf.runtime.diagram.ui.commands.SetViewMutabilityCommand;
+import org.eclipse.gmf.runtime.diagram.ui.editpolicies.CanonicalEditPolicy;
+import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages;
+import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
+import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
+import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
+import org.eclipse.gmf.runtime.notation.Bounds;
+import org.eclipse.gmf.runtime.notation.Location;
+import org.eclipse.gmf.runtime.notation.Node;
+import org.eclipse.gmf.runtime.notation.Size;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.CommentEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.ConstraintEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.FinalStateEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateChoiceEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateDeepHistoryEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateEntryPointEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateExitPointEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateForkEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateInitialEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateJoinEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateJunctionEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateShallowHistoryEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.PseudostateTerminateEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.edit.parts.StateEditPart;
+import org.eclipse.papyrus.uml.diagram.statemachine.part.UMLDiagramUpdater;
+import org.eclipse.papyrus.uml.diagram.statemachine.part.UMLNodeDescriptor;
+import org.eclipse.papyrus.uml.diagram.statemachine.part.UMLVisualIDRegistry;
+import org.eclipse.uml2.uml.UMLPackage;
+
+/**
+ * @generated
+ */
+public class RegionCompartmentCanonicalEditPolicy extends CanonicalEditPolicy {
+
+	/**
+	 * @generated
+	 */
+	private Set<EStructuralFeature> myFeaturesToSynchronize;
+
+	/**
+	 * @generated
+	 */
+	protected void refreshOnActivate() {
+		// Need to activate editpart children before invoking the canonical refresh for EditParts to add event listeners
+		List<?> c = getHost().getChildren();
+		for(int i = 0; i < c.size(); i++) {
+			((EditPart)c.get(i)).activate();
+		}
+		super.refreshOnActivate();
+	}
+
+	/**
+	 * @generated
+	 */
+	protected Set<EStructuralFeature> getFeaturesToSynchronize() {
+		if(myFeaturesToSynchronize == null) {
+			myFeaturesToSynchronize = new HashSet<EStructuralFeature>();
+			myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getRegion_Subvertex());
+			myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getStateMachine_ConnectionPoint());
+			myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getElement_OwnedComment());
+			myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getNamespace_OwnedRule());
+		}
+		return myFeaturesToSynchronize;
+	}
+
+	/**
+	 * @generated
+	 */
+	protected List<EObject> getSemanticChildrenList() {
+		View viewObject = (View)getHost().getModel();
+		LinkedList<EObject> result = new LinkedList<EObject>();
+		List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.INSTANCE.getRegionRegionCompartment_3002SemanticChildren(viewObject);
+		for(UMLNodeDescriptor d : childDescriptors) {
+			result.add(d.getModelElement());
+		}
+		return result;
+	}
+
+	/**
+	 * @generated
+	 */
+	protected boolean isOrphaned(Collection<EObject> semanticChildren, final View view) {
+		return isMyDiagramElement(view) && !semanticChildren.contains(view.getElement());
+	}
+
+	/**
+	 * @generated
+	 */
+	private boolean isMyDiagramElement(View view) {
+		int visualID = UMLVisualIDRegistry.getVisualID(view);
+		switch(visualID) {
+		case PseudostateInitialEditPart.VISUAL_ID:
+		case PseudostateJoinEditPart.VISUAL_ID:
+		case PseudostateForkEditPart.VISUAL_ID:
+		case PseudostateChoiceEditPart.VISUAL_ID:
+		case PseudostateJunctionEditPart.VISUAL_ID:
+		case PseudostateShallowHistoryEditPart.VISUAL_ID:
+		case PseudostateDeepHistoryEditPart.VISUAL_ID:
+		case PseudostateTerminateEditPart.VISUAL_ID:
+		case FinalStateEditPart.VISUAL_ID:
+		case StateEditPart.VISUAL_ID:
+		case PseudostateEntryPointEditPart.VISUAL_ID:
+		case PseudostateExitPointEditPart.VISUAL_ID:
+		case CommentEditPart.VISUAL_ID:
+		case ConstraintEditPart.VISUAL_ID:
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * @generated
+	 */
+	protected void refreshSemantic() {
+		if(resolveSemanticElement() == null) {
+			return;
+		}
+		LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
+		List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.INSTANCE.getRegionRegionCompartment_3002SemanticChildren((View)getHost().getModel());
+		LinkedList<View> orphaned = new LinkedList<View>();
+		// we care to check only views we recognize as ours
+		LinkedList<View> knownViewChildren = new LinkedList<View>();
+		for(View v : getViewChildren()) {
+			if(isMyDiagramElement(v)) {
+				knownViewChildren.add(v);
+			}
+		}
+		// alternative to #cleanCanonicalSemanticChildren(getViewChildren(), semanticChildren)
+		HashMap<UMLNodeDescriptor, LinkedList<View>> potentialViews = new HashMap<UMLNodeDescriptor, LinkedList<View>>();
+		//
+		// iteration happens over list of desired semantic elements, trying to find best matching View, while original CEP
+		// iterates views, potentially losing view (size/bounds) information - i.e. if there are few views to reference same EObject, only last one 
+		// to answer isOrphaned == true will be used for the domain element representation, see #cleanCanonicalSemanticChildren()
+		for(Iterator<UMLNodeDescriptor> descriptorsIterator = childDescriptors.iterator(); descriptorsIterator.hasNext();) {
+			UMLNodeDescriptor next = descriptorsIterator.next();
+			String hint = UMLVisualIDRegistry.getType(next.getVisualID());
+			LinkedList<View> perfectMatch = new LinkedList<View>(); // both semanticElement and hint match that of NodeDescriptor
+			LinkedList<View> potentialMatch = new LinkedList<View>(); // semanticElement matches, hint does not
+			for(View childView : getViewChildren()) {
+				EObject semanticElement = childView.getElement();
+				if(next.getModelElement().equals(semanticElement)) {
+					if(hint.equals(childView.getType())) {
+						perfectMatch.add(childView);
+						// actually, can stop iteration over view children here, but
+						// may want to use not the first view but last one as a 'real' match (the way original CEP does
+						// with its trick with viewToSemanticMap inside #cleanCanonicalSemanticChildren
+					} else {
+						potentialMatch.add(childView);
+					}
+				}
+			}
+			if(perfectMatch.size() > 0) {
+				descriptorsIterator.remove(); // precise match found no need to create anything for the NodeDescriptor
+				// use only one view (first or last?), keep rest as orphaned for further consideration
+				knownViewChildren.remove(perfectMatch.getFirst());
+			} else if(potentialMatch.size() > 0) {
+				potentialViews.put(next, potentialMatch);
+			}
+		}
+		// those left in knownViewChildren are subject to removal - they are our diagram elements we didn't find match to,
+		// or those we have potential matches to, and thus need to be recreated, preserving size/location information.
+		orphaned.addAll(knownViewChildren);
+		//
+		CompositeTransactionalCommand boundsCommand = new CompositeTransactionalCommand(host().getEditingDomain(), DiagramUIMessages.SetLocationCommand_Label_Resize);
+		ArrayList<CreateViewRequest.ViewDescriptor> viewDescriptors = new ArrayList<CreateViewRequest.ViewDescriptor>(childDescriptors.size());
+		for(UMLNodeDescriptor next : childDescriptors) {
+			String hint = UMLVisualIDRegistry.getType(next.getVisualID());
+			IAdaptable elementAdapter = new CanonicalElementAdapter(next.getModelElement(), hint);
+			CreateViewRequest.ViewDescriptor descriptor = new CreateViewRequest.ViewDescriptor(elementAdapter, Node.class, hint, ViewUtil.APPEND, false, host().getDiagramPreferencesHint());
+			viewDescriptors.add(descriptor);
+			LinkedList<View> possibleMatches = potentialViews.get(next);
+			if(possibleMatches != null) {
+				// from potential matches, leave those that were not eventually used for some other NodeDescriptor (i.e. those left as orphaned)
+				possibleMatches.retainAll(knownViewChildren);
+			}
+			if(possibleMatches != null && !possibleMatches.isEmpty()) {
+				View originalView = possibleMatches.getFirst();
+				knownViewChildren.remove(originalView); // remove not to copy properties of the same view again and again
+				// add command to copy properties
+				if(originalView instanceof Node) {
+					if(((Node)originalView).getLayoutConstraint() instanceof Bounds) {
+						Bounds b = (Bounds)((Node)originalView).getLayoutConstraint();
+						boundsCommand.add(new SetBoundsCommand(boundsCommand.getEditingDomain(), boundsCommand.getLabel(), descriptor, new Rectangle(b.getX(), b.getY(), b.getWidth(), b.getHeight())));
+					} else if(((Node)originalView).getLayoutConstraint() instanceof Location) {
+						Location l = (Location)((Node)originalView).getLayoutConstraint();
+						boundsCommand.add(new SetBoundsCommand(boundsCommand.getEditingDomain(), boundsCommand.getLabel(), descriptor, new Point(l.getX(), l.getY())));
+					} else if(((Node)originalView).getLayoutConstraint() instanceof Size) {
+						Size s = (Size)((Node)originalView).getLayoutConstraint();
+						boundsCommand.add(new SetBoundsCommand(boundsCommand.getEditingDomain(), boundsCommand.getLabel(), descriptor, new Dimension(s.getWidth(), s.getHeight())));
+					}
+				}
+			}
+		}
+		boolean changed = deleteViews(orphaned.iterator());
+		//
+		CreateViewRequest request = getCreateViewRequest(viewDescriptors);
+		Command cmd = getCreateViewCommand(request);
+		if(cmd != null && cmd.canExecute()) {
+			SetViewMutabilityCommand.makeMutable(new EObjectAdapter(host().getNotationView())).execute();
+			executeCommand(cmd);
+			if(boundsCommand.canExecute()) {
+				executeCommand(new ICommandProxy(boundsCommand.reduce()));
+			}
+			@SuppressWarnings("unchecked")
+			List<IAdaptable> nl = (List<IAdaptable>)request.getNewObject();
+			createdViews.addAll(nl);
+		}
+		if(changed || createdViews.size() > 0) {
+			postProcessRefreshSemantic(createdViews);
+		}
+		if(createdViews.size() > 1) {
+			// perform a layout of the container
+			DeferredLayoutCommand layoutCmd = new DeferredLayoutCommand(host().getEditingDomain(), createdViews, host());
+			executeCommand(new ICommandProxy(layoutCmd));
+		}
+		makeViewsImmutable(createdViews);
+	}
+}