### Eclipse Workspace Patch 1.0
#P org.eclipse.jpt.jpadiagrameditor.ui
Index: src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/AddJPAEntityFeature.java
===================================================================
RCS file: /cvsroot/webtools/org.eclipse.jpa/components/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/AddJPAEntityFeature.java,v
retrieving revision 1.10
diff -u -r1.10 AddJPAEntityFeature.java
--- src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/AddJPAEntityFeature.java	15 May 2012 17:39:12 -0000	1.10
+++ src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/AddJPAEntityFeature.java	28 May 2012 14:45:42 -0000
@@ -19,6 +19,9 @@
 import java.util.HashSet;
 import java.util.List;
 
+import org.eclipse.emf.transaction.RecordingCommand;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.emf.transaction.util.TransactionUtil;
 import org.eclipse.graphiti.features.IFeatureProvider;
 import org.eclipse.graphiti.features.context.IAddContext;
 import org.eclipse.graphiti.features.impl.AbstractAddShapeFeature;
@@ -56,12 +59,12 @@
 import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorPredefinedColoredAreas;
 import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorUtil;
 import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JpaArtifactFactory;
+import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.Wrp;
 
 
 @SuppressWarnings({ "restriction" })
 public class AddJPAEntityFeature extends AbstractAddShapeFeature {
 
-	private IPeUtilFacade facade;
 	private boolean shouldRearrangeIsARelations = true;
 	private static ContainerShape primaryShape;
 	private static ContainerShape relationShape;
@@ -71,12 +74,10 @@
 	public AddJPAEntityFeature(IFeatureProvider fp, boolean shouldRearrangeIsARelations) {
 		super(fp);
 		this.shouldRearrangeIsARelations = shouldRearrangeIsARelations;
-		facade = new PeUtilFacade();
 	}
 
-	public AddJPAEntityFeature(IFeatureProvider fp, IPeUtilFacade facade) {
+	public AddJPAEntityFeature(IFeatureProvider fp) {
 		super(fp);
-		this.facade = facade;
 	}
 
 	public boolean canAdd(IAddContext context) {
@@ -121,8 +122,8 @@
 		return (IJPAEditorFeatureProvider) super.getFeatureProvider();
 	}
 
-	public PictogramElement add(IAddContext context) {
-		IJPAEditorFeatureProvider fp = getFeatureProvider();
+	public PictogramElement add(final IAddContext context) {
+		final IJPAEditorFeatureProvider fp = getFeatureProvider();
 		Object newObj = context.getNewObject();
 		JavaPersistentType jpt = null;
 		if (newObj instanceof JavaPersistentType) {
@@ -136,38 +137,50 @@
 			jpt = JPAEditorUtil.getJPType(cu);
 		}
 		final Diagram targetDiagram = (Diagram) context.getTargetContainer();
-				
-	    ContainerShape entityShape = facade.createContainerShape(targetDiagram, true);
-		
-	    JPAEditorConstants.DIAGRAM_OBJECT_TYPE dot = JpaArtifactFactory.instance().determineDiagramObjectType(jpt);
-		createEntityRectangle(context, entityShape, dot,
-							  this.getFeatureProvider().getDiagramTypeProvider().getDiagram());
-		link(entityShape, jpt);
-		Shape shape = Graphiti.getPeService().createShape(entityShape, false);
-		Polyline headerBottomLine = Graphiti.getGaService().createPolyline(shape, new int[] { 0,
-				30, JPAEditorConstants.ENTITY_WIDTH, 30 });
-		headerBottomLine
-				.setForeground(manageColor(JPAEditorConstants.ENTITY_BORDER_COLOR));
-		headerBottomLine.setLineWidth(JPAEditorConstants.ENTITY_BORDER_WIDTH);
+		final Wrp wrp = new Wrp();
+		createEntity(context, fp, targetDiagram, wrp, jpt);
+		return (PictogramElement) wrp.getObj();
+	}
 
-		addHeader(jpt, entityShape, JPAEditorConstants.ENTITY_WIDTH, dot);
+	private void createEntity(final IAddContext context, final IJPAEditorFeatureProvider fp, final Diagram targetDiagram,
+			final Wrp wrp, final JavaPersistentType jpt) {
 		
-		createCompartments(context, jpt, entityShape);
-		fillCompartments(jpt,entityShape);
+		TransactionalEditingDomain ted = TransactionUtil.getEditingDomain(targetDiagram);
 		
-		String key = fp.getKeyForBusinessObject(jpt);
-		if (fp.getBusinessObjectForKey(key) == null)
-			fp.putKeyToBusinessObject(key, jpt);
+		ted.getCommandStack().execute(new RecordingCommand(ted) {
+			protected void doExecute() {
 
-		Graphiti.getPeService().createChopboxAnchor(entityShape);
-		entityShape.setVisible(true);
-		layoutPictogramElement(entityShape);
+				ContainerShape entityShape = Graphiti.getPeService().createContainerShape(targetDiagram, true);
 
-		UpdateAttributeFeature updateFeature = new UpdateAttributeFeature(fp);
-		updateFeature.reconnect(jpt);
-		if (shouldRearrangeIsARelations)
-			JpaArtifactFactory.instance().rearrangeIsARelations(getFeatureProvider());	
-		return entityShape;
+				JPAEditorConstants.DIAGRAM_OBJECT_TYPE dot = JpaArtifactFactory.instance().determineDiagramObjectType(jpt);
+				createEntityRectangle(context, entityShape, dot, fp.getDiagramTypeProvider().getDiagram());
+				link(entityShape, jpt);
+				Shape shape = Graphiti.getPeService().createShape(entityShape,	false);
+				Polyline headerBottomLine = Graphiti.getGaService()
+						.createPolyline(shape, new int[] { 0, 30, JPAEditorConstants.ENTITY_WIDTH, 30 });
+				headerBottomLine.setForeground(manageColor(JPAEditorConstants.ENTITY_BORDER_COLOR));
+				headerBottomLine.setLineWidth(JPAEditorConstants.ENTITY_BORDER_WIDTH);
+
+				addHeader(jpt, entityShape, JPAEditorConstants.ENTITY_WIDTH, dot);
+
+				createCompartments(context, jpt, entityShape);
+				fillCompartments(jpt, entityShape);
+
+				String key = fp.getKeyForBusinessObject(jpt);
+				if (fp.getBusinessObjectForKey(key) == null)
+					fp.putKeyToBusinessObject(key, jpt);
+
+				Graphiti.getPeService().createChopboxAnchor(entityShape);
+				entityShape.setVisible(true);
+				layoutPictogramElement(entityShape);
+
+				UpdateAttributeFeature updateFeature = new UpdateAttributeFeature(fp);
+				updateFeature.reconnect(jpt);
+				if (shouldRearrangeIsARelations)
+					JpaArtifactFactory.instance().rearrangeIsARelations(getFeatureProvider());
+				wrp.setObj(entityShape);
+			}
+		});
 	}
 	
 	private void createCompartments(IAddContext context, JavaPersistentType jpt,
@@ -295,10 +308,6 @@
 		}
 	}
 
-	public interface IPeUtilFacade {
-		public ContainerShape createContainerShape(Diagram diagram, boolean b);
-	}
-
 	public static RoundedRectangle createEntityRectangle(IAddContext context,
 														 ContainerShape entityShape, 
 														 JPAEditorConstants.DIAGRAM_OBJECT_TYPE dot,  
@@ -327,13 +336,7 @@
 						: context.getHeight());
 		return entityRectangle;
 	}
-
-	private static class PeUtilFacade implements IPeUtilFacade {
-		public ContainerShape createContainerShape(Diagram diagram, boolean b) {
-			return Graphiti.getPeService().createContainerShape(diagram, true);
-		}
-	}
-
+	
 	private ContainerShape addHeader(JavaPersistentType addedWrapper,
 									 ContainerShape entityShape, 
 									 int width,
Index: src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/RemoveAndSaveEntityFeature.java
===================================================================
RCS file: /cvsroot/webtools/org.eclipse.jpa/components/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/RemoveAndSaveEntityFeature.java,v
retrieving revision 1.2
diff -u -r1.2 RemoveAndSaveEntityFeature.java
--- src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/RemoveAndSaveEntityFeature.java	26 Mar 2012 13:54:58 -0000	1.2
+++ src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/RemoveAndSaveEntityFeature.java	28 May 2012 14:45:42 -0000
@@ -20,7 +20,11 @@
 import java.util.List;
 import java.util.Set;
 
+import org.eclipse.emf.transaction.RecordingCommand;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.emf.transaction.util.TransactionUtil;
 import org.eclipse.graphiti.features.IFeatureProvider;
+import org.eclipse.graphiti.features.context.IContext;
 import org.eclipse.graphiti.features.context.IRemoveContext;
 import org.eclipse.graphiti.features.context.impl.RemoveContext;
 import org.eclipse.graphiti.features.impl.DefaultRemoveFeature;
@@ -64,6 +68,23 @@
     	} 			
     }
     
+    public void execute(IContext context) {
+    	if (!IRemoveContext.class.isInstance(context)) 
+			return;
+    	final IRemoveContext removeContext = (IRemoveContext)context; 
+    	PictogramElement pe = removeContext.getPictogramElement();
+    	TransactionalEditingDomain ted = TransactionUtil.getEditingDomain(pe);
+    	ted.getCommandStack().execute(new RecordingCommand(ted) {
+			protected void doExecute() {
+				removeEntityFromDiagram(removeContext);
+			}
+		});
+    }
+    
+    public void removeEntityFromDiagram(IRemoveContext context){
+    	super.remove(context);
+    }
+    
 	public IJPAEditorFeatureProvider getFeatureProvider() {
 		return  (IJPAEditorFeatureProvider)super.getFeatureProvider();
 	}
Index: src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/RemoveJPAEntityFeature.java
===================================================================
RCS file: /cvsroot/webtools/org.eclipse.jpa/components/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/RemoveJPAEntityFeature.java,v
retrieving revision 1.3
diff -u -r1.3 RemoveJPAEntityFeature.java
--- src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/RemoveJPAEntityFeature.java	26 Mar 2012 13:54:58 -0000	1.3
+++ src/org/eclipse/jpt/jpadiagrameditor/ui/internal/feature/RemoveJPAEntityFeature.java	28 May 2012 14:45:42 -0000
@@ -20,8 +20,12 @@
 import java.util.List;
 import java.util.Set;
 
+import org.eclipse.emf.transaction.RecordingCommand;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.emf.transaction.util.TransactionUtil;
 import org.eclipse.graphiti.features.IFeatureProvider;
 import org.eclipse.graphiti.features.context.IContext;
+import org.eclipse.graphiti.features.context.IDeleteContext;
 import org.eclipse.graphiti.features.context.IRemoveContext;
 import org.eclipse.graphiti.features.context.impl.RemoveContext;
 import org.eclipse.graphiti.features.impl.DefaultRemoveFeature;
@@ -73,7 +77,7 @@
 				f.remove(ctx);    			
     		}
     		String name = ((PersistentType)bo).getName();
-			getFeatureProvider().remove(name, true);
+			getFeatureProvider().remove(name, false);
     	} 			
     }
     
@@ -85,7 +89,7 @@
 	public void execute(IContext ctx) {
 		if (!IRemoveContext.class.isInstance(ctx)) 
 			return;
-		IRemoveContext context = (IRemoveContext)ctx; 
+		final IRemoveContext context = (IRemoveContext)ctx; 
     	PictogramElement pe = context.getPictogramElement();
     	Object bo = getFeatureProvider().getBusinessObjectForPictogramElement(pe);
     	if (!JavaPersistentType.class.isInstance(bo))
@@ -105,9 +109,19 @@
 			if (dialog.open() != 0)	
 				return;    			
 		}		
-		super.execute(context);
+		TransactionalEditingDomain ted = TransactionUtil.getEditingDomain(pe);
+    	ted.getCommandStack().execute(new RecordingCommand(ted) {
+			protected void doExecute() {
+				removeEntityFromDiagram(context);
+			}
+		});
+
 	}
 	
+	 public void removeEntityFromDiagram(IRemoveContext context){
+	    	super.execute(context);
+	    }
+	
     public void postRemove(IRemoveContext context) {
     	if (shouldRearrangeIsARelations)
     		JpaArtifactFactory.instance().rearrangeIsARelations(getFeatureProvider());
Index: src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JPASolver.java
===================================================================
RCS file: /cvsroot/webtools/org.eclipse.jpa/components/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JPASolver.java,v
retrieving revision 1.8
diff -u -r1.8 JPASolver.java
--- src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JPASolver.java	26 Mar 2012 13:54:58 -0000	1.8
+++ src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JPASolver.java	28 May 2012 14:45:42 -0000
@@ -1406,7 +1406,8 @@
 						PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
 									public void run() {
 										IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
-										if ((ModelIntegrationUtil.getProjectByDiagram(diagram.getName()).getProject()).equals(resource)) {
+										JpaProject jpaProject = ModelIntegrationUtil.getProjectByDiagram(diagram.getName());
+										if (jpaProject != null && (jpaProject.getProject()).equals(resource)) {
 											page.closeEditor(diagramBySelectedProject, false);
 										}
 									}
Index: src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JpaArtifactFactory.java
===================================================================
RCS file: /cvsroot/webtools/org.eclipse.jpa/components/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JpaArtifactFactory.java,v
retrieving revision 1.19
diff -u -r1.19 JpaArtifactFactory.java
--- src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JpaArtifactFactory.java	26 Mar 2012 13:54:58 -0000	1.19
+++ src/org/eclipse/jpt/jpadiagrameditor/ui/internal/util/JpaArtifactFactory.java	28 May 2012 14:45:42 -0000
@@ -471,7 +471,7 @@
 	public void forceSaveEntityClass(final JavaPersistentType jpt,
 			IJPAEditorFeatureProvider fp) {
 		final ICompilationUnit cu = fp.getCompilationUnit(jpt);
-		Display.getDefault().asyncExec(new Runnable() {
+		Display.getDefault().syncExec(new Runnable() {
 			public void run() {
 				try {
 					if (cu.isWorkingCopy())