Attachment 211275 Details for Bug 364828 – Bug fix

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[patch] Bug fix

Bug 364828 - Messages_deletion.patch (text/plain), 21.15 KB, created by Yves YANG

on 2012-02-20 09:59:52 EST

(hide)

Description:

Filename:

MIME Type:

Creator: Yves YANG

Created: 2012-02-20 09:59:52 EST

Size: 21.15 KB

patch

obsolete

>Index: custom-src/org/eclipse/papyrus/uml/diagram/sequence/util/SequenceDeleteHelper.java
>===================================================================
>--- custom-src/org/eclipse/papyrus/uml/diagram/sequence/util/SequenceDeleteHelper.java	(revision 7212)
>+++ custom-src/org/eclipse/papyrus/uml/diagram/sequence/util/SequenceDeleteHelper.java	(working copy)
>@@ -21,20 +21,29 @@
> import org.eclipse.gef.EditPart;
> import org.eclipse.gef.commands.Command;
> import org.eclipse.gef.commands.CompoundCommand;
>+import org.eclipse.gef.commands.UnexecutableCommand;
>+import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
>+import org.eclipse.gmf.runtime.common.core.command.ICommand;
> import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
> import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
> import org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionNodeEditPart;
> import org.eclipse.gmf.runtime.diagram.ui.editparts.IBorderItemEditPart;
> import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
> import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
>+import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand;
>+import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
> import org.eclipse.gmf.runtime.notation.View;
>+import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
>+import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
> import org.eclipse.papyrus.uml.diagram.common.util.DiagramEditPartsUtil;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.LifelineEditPart;
> import org.eclipse.uml2.uml.DestructionOccurrenceSpecification;
> import org.eclipse.uml2.uml.Element;
>+import org.eclipse.uml2.uml.Event;
> import org.eclipse.uml2.uml.ExecutionSpecification;
> import org.eclipse.uml2.uml.Message;
> import org.eclipse.uml2.uml.MessageEnd;
>+import org.eclipse.uml2.uml.MessageOccurrenceSpecification;
> import org.eclipse.uml2.uml.OccurrenceSpecification;
> 
> /**
>@@ -201,4 +210,34 @@
> 			}
> 		}
> 	}
>+	
>+	public static Command completeDeleteMessageCommand(DestroyElementRequest req) {
>+		EObject selectedEObject = req.getElementToDestroy();
>+		IElementEditService provider = ElementEditServiceUtils
>+				.getCommandProvider(selectedEObject);
>+		if (provider != null) {
>+			// Retrieve delete command from the Element Edit service
>+			ICommand deleteCommand = provider.getEditCommand(req);
>+			if (deleteCommand != null) {
>+				CompositeCommand command = new CompositeCommand(
>+						deleteCommand.getLabel());
>+				command.add(deleteCommand);
>+				Message message = (Message) selectedEObject;
>+				MessageEnd receiveEvent = message.getReceiveEvent();
>+				if (receiveEvent != null) {
>+					DestroyElementRequest myReq = new DestroyElementRequest(
>+							req.getEditingDomain(), receiveEvent, false);
>+					command.add(new DestroyElementCommand(myReq));
>+				}
>+				MessageEnd sendEvent = message.getSendEvent();
>+				if (sendEvent != null) {
>+					DestroyElementRequest myReq = new DestroyElementRequest(
>+							req.getEditingDomain(), sendEvent, false);
>+					command.add(new DestroyElementCommand(myReq));
>+				}
>+				return new ICommandProxy(command);
>+			}
>+		}
>+		return UnexecutableCommand.INSTANCE;
>+	}
> }
>Index: src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/MessageItemSemanticEditPolicy.java
>===================================================================
>--- src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/MessageItemSemanticEditPolicy.java	(revision 7212)
>+++ src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/MessageItemSemanticEditPolicy.java	(working copy)
>@@ -13,13 +13,9 @@
>  *****************************************************************************/
> package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
> 
>-import org.eclipse.emf.ecore.EObject;
> import org.eclipse.gef.commands.Command;
> import org.eclipse.gef.commands.CompoundCommand;
>-import org.eclipse.gef.commands.UnexecutableCommand;
>-import org.eclipse.gmf.runtime.common.core.command.ICommand;
> import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
>-import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
>@@ -27,8 +23,6 @@
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
> import org.eclipse.gmf.runtime.notation.View;
>-import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
>-import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementCreateCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementReorientCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.ConstraintConstrainedElementCreateCommand;
>@@ -90,20 +84,10 @@
> 	}
> 
> 	/**
>-	 * @generated
>+	 * @generated NOT
> 	 */
> 	protected Command getDestroyElementCommand(DestroyElementRequest req) {
>-		EObject selectedEObject = req.getElementToDestroy();
>-		IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
>-		if(provider != null) {
>-			// Retrieve delete command from the Element Edit service
>-			ICommand deleteCommand = provider.getEditCommand(req);
>-
>-			if(deleteCommand != null) {
>-				return new ICommandProxy(deleteCommand);
>-			}
>-		}
>-		return UnexecutableCommand.INSTANCE;
>+		return SequenceDeleteHelper.completeDeleteMessageCommand(req);
> 	}
> 
> 	/**
>Index: src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message5ItemSemanticEditPolicy.java
>===================================================================
>--- src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message5ItemSemanticEditPolicy.java	(revision 7212)
>+++ src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message5ItemSemanticEditPolicy.java	(working copy)
>@@ -13,13 +13,9 @@
>  *****************************************************************************/
> package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
> 
>-import org.eclipse.emf.ecore.EObject;
> import org.eclipse.gef.commands.Command;
> import org.eclipse.gef.commands.CompoundCommand;
>-import org.eclipse.gef.commands.UnexecutableCommand;
>-import org.eclipse.gmf.runtime.common.core.command.ICommand;
> import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
>-import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
>@@ -27,8 +23,6 @@
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
> import org.eclipse.gmf.runtime.notation.View;
>-import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
>-import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementCreateCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementReorientCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.ConstraintConstrainedElementCreateCommand;
>@@ -90,20 +84,10 @@
> 	}
> 
> 	/**
>-	 * @generated
>+	 * @generated NOT
> 	 */
> 	protected Command getDestroyElementCommand(DestroyElementRequest req) {
>-		EObject selectedEObject = req.getElementToDestroy();
>-		IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
>-		if(provider != null) {
>-			// Retrieve delete command from the Element Edit service
>-			ICommand deleteCommand = provider.getEditCommand(req);
>-
>-			if(deleteCommand != null) {
>-				return new ICommandProxy(deleteCommand);
>-			}
>-		}
>-		return UnexecutableCommand.INSTANCE;
>+		return SequenceDeleteHelper.completeDeleteMessageCommand(req);
> 	}
> 
> 	/**
>Index: src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message7ItemSemanticEditPolicy.java
>===================================================================
>--- src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message7ItemSemanticEditPolicy.java	(revision 7212)
>+++ src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message7ItemSemanticEditPolicy.java	(working copy)
>@@ -13,13 +13,9 @@
>  *****************************************************************************/
> package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
> 
>-import org.eclipse.emf.ecore.EObject;
> import org.eclipse.gef.commands.Command;
> import org.eclipse.gef.commands.CompoundCommand;
>-import org.eclipse.gef.commands.UnexecutableCommand;
>-import org.eclipse.gmf.runtime.common.core.command.ICommand;
> import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
>-import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
>@@ -27,8 +23,6 @@
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
> import org.eclipse.gmf.runtime.notation.View;
>-import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
>-import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementCreateCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementReorientCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.ConstraintConstrainedElementCreateCommand;
>@@ -90,20 +84,10 @@
> 	}
> 
> 	/**
>-	 * @generated
>+	 * @generated NOT
> 	 */
> 	protected Command getDestroyElementCommand(DestroyElementRequest req) {
>-		EObject selectedEObject = req.getElementToDestroy();
>-		IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
>-		if(provider != null) {
>-			// Retrieve delete command from the Element Edit service
>-			ICommand deleteCommand = provider.getEditCommand(req);
>-
>-			if(deleteCommand != null) {
>-				return new ICommandProxy(deleteCommand);
>-			}
>-		}
>-		return UnexecutableCommand.INSTANCE;
>+		return SequenceDeleteHelper.completeDeleteMessageCommand(req);
> 	}
> 
> 	/**
>Index: src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message2ItemSemanticEditPolicy.java
>===================================================================
>--- src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message2ItemSemanticEditPolicy.java	(revision 7212)
>+++ src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message2ItemSemanticEditPolicy.java	(working copy)
>@@ -13,13 +13,9 @@
>  *****************************************************************************/
> package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
> 
>-import org.eclipse.emf.ecore.EObject;
> import org.eclipse.gef.commands.Command;
> import org.eclipse.gef.commands.CompoundCommand;
>-import org.eclipse.gef.commands.UnexecutableCommand;
>-import org.eclipse.gmf.runtime.common.core.command.ICommand;
> import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
>-import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
>@@ -27,8 +23,6 @@
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
> import org.eclipse.gmf.runtime.notation.View;
>-import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
>-import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementCreateCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementReorientCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.ConstraintConstrainedElementCreateCommand;
>@@ -92,20 +86,10 @@
> 	/**
> 	 * the added code to delete the messageoccurencespecification when the message is deleted
> 	 * 
>-	 * @generated
>+	 * @generated NOT
> 	 */
> 	protected Command getDestroyElementCommand(DestroyElementRequest req) {
>-		EObject selectedEObject = req.getElementToDestroy();
>-		IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
>-		if(provider != null) {
>-			// Retrieve delete command from the Element Edit service
>-			ICommand deleteCommand = provider.getEditCommand(req);
>-
>-			if(deleteCommand != null) {
>-				return new ICommandProxy(deleteCommand);
>-			}
>-		}
>-		return UnexecutableCommand.INSTANCE;
>+		return SequenceDeleteHelper.completeDeleteMessageCommand(req);
> 	}
> 
> 	/**
>Index: src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message3ItemSemanticEditPolicy.java
>===================================================================
>--- src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message3ItemSemanticEditPolicy.java	(revision 7212)
>+++ src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message3ItemSemanticEditPolicy.java	(working copy)
>@@ -13,13 +13,9 @@
>  *****************************************************************************/
> package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
> 
>-import org.eclipse.emf.ecore.EObject;
> import org.eclipse.gef.commands.Command;
> import org.eclipse.gef.commands.CompoundCommand;
>-import org.eclipse.gef.commands.UnexecutableCommand;
>-import org.eclipse.gmf.runtime.common.core.command.ICommand;
> import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
>-import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
>@@ -27,8 +23,6 @@
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
> import org.eclipse.gmf.runtime.notation.View;
>-import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
>-import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementCreateCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementReorientCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.ConstraintConstrainedElementCreateCommand;
>@@ -90,20 +84,10 @@
> 	}
> 
> 	/**
>-	 * @generated
>+	 * @generated NOT
> 	 */
> 	protected Command getDestroyElementCommand(DestroyElementRequest req) {
>-		EObject selectedEObject = req.getElementToDestroy();
>-		IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
>-		if(provider != null) {
>-			// Retrieve delete command from the Element Edit service
>-			ICommand deleteCommand = provider.getEditCommand(req);
>-
>-			if(deleteCommand != null) {
>-				return new ICommandProxy(deleteCommand);
>-			}
>-		}
>-		return UnexecutableCommand.INSTANCE;
>+		return SequenceDeleteHelper.completeDeleteMessageCommand(req);
> 	}
> 
> 	/**
>Index: src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message4ItemSemanticEditPolicy.java
>===================================================================
>--- src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message4ItemSemanticEditPolicy.java	(revision 7212)
>+++ src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message4ItemSemanticEditPolicy.java	(working copy)
>@@ -13,13 +13,9 @@
>  *****************************************************************************/
> package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
> 
>-import org.eclipse.emf.ecore.EObject;
> import org.eclipse.gef.commands.Command;
> import org.eclipse.gef.commands.CompoundCommand;
>-import org.eclipse.gef.commands.UnexecutableCommand;
>-import org.eclipse.gmf.runtime.common.core.command.ICommand;
> import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
>-import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
>@@ -27,8 +23,6 @@
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
> import org.eclipse.gmf.runtime.notation.View;
>-import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
>-import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementCreateCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementReorientCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.ConstraintConstrainedElementCreateCommand;
>@@ -90,20 +84,10 @@
> 	}
> 
> 	/**
>-	 * @generated
>+	 * @generated NOT
> 	 */
> 	protected Command getDestroyElementCommand(DestroyElementRequest req) {
>-		EObject selectedEObject = req.getElementToDestroy();
>-		IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
>-		if(provider != null) {
>-			// Retrieve delete command from the Element Edit service
>-			ICommand deleteCommand = provider.getEditCommand(req);
>-
>-			if(deleteCommand != null) {
>-				return new ICommandProxy(deleteCommand);
>-			}
>-		}
>-		return UnexecutableCommand.INSTANCE;
>+		return SequenceDeleteHelper.completeDeleteMessageCommand(req);
> 	}
> 
> 	/**
>Index: src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message6ItemSemanticEditPolicy.java
>===================================================================
>--- src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message6ItemSemanticEditPolicy.java	(revision 7212)
>+++ src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/Message6ItemSemanticEditPolicy.java	(working copy)
>@@ -13,13 +13,9 @@
>  *****************************************************************************/
> package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
> 
>-import org.eclipse.emf.ecore.EObject;
> import org.eclipse.gef.commands.Command;
> import org.eclipse.gef.commands.CompoundCommand;
>-import org.eclipse.gef.commands.UnexecutableCommand;
>-import org.eclipse.gmf.runtime.common.core.command.ICommand;
> import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand;
>-import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
>@@ -27,8 +23,6 @@
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
> import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
> import org.eclipse.gmf.runtime.notation.View;
>-import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
>-import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementCreateCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.CommentAnnotatedElementReorientCommand;
> import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.ConstraintConstrainedElementCreateCommand;
>@@ -90,20 +84,10 @@
> 	}
> 
> 	/**
>-	 * @generated
>+	 * @generated NOT
> 	 */
> 	protected Command getDestroyElementCommand(DestroyElementRequest req) {
>-		EObject selectedEObject = req.getElementToDestroy();
>-		IElementEditService provider = ElementEditServiceUtils.getCommandProvider(selectedEObject);
>-		if(provider != null) {
>-			// Retrieve delete command from the Element Edit service
>-			ICommand deleteCommand = provider.getEditCommand(req);
>-
>-			if(deleteCommand != null) {
>-				return new ICommandProxy(deleteCommand);
>-			}
>-		}
>-		return UnexecutableCommand.INSTANCE;
>+		return SequenceDeleteHelper.completeDeleteMessageCommand(req);
> 	}
> 
> 	/**

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Attachments on bug 364828: 211275