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/*****************************************************************************
* Copyright (c) 2010 Atos Origin.
*
*
* 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:
* Atos Origin - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.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.activity.edit.parts.AcceptEventActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ActivityFinalNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.AddStructuralFeatureValueActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.AddVariableValueActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.BroadcastSignalActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.CallBehaviorActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.CallOperationActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.CentralBufferNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ClearStructuralFeatureActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.CommentEditPartCN;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ConditionalNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ConstraintAsLocalPostcondEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ConstraintAsLocalPrecondEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ConstraintEditPartCN;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.CreateLinkActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.CreateObjectActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.DataStoreNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.DecisionNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.DestroyLinkActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.DestroyObjectActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.DurationConstraintAsLocalPostcondEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.DurationConstraintAsLocalPrecondEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ExpansionRegionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.FlowFinalNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ForkNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.InitialNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.IntervalConstraintAsLocalPostcondEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.IntervalConstraintAsLocalPrecondEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.JoinNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.LoopNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.MergeNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.OpaqueActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ReadLinkActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ReadSelfActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ReadStructuralFeatureActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ReadVariableActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.SendObjectActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.SendSignalActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.SequenceNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.StartObjectBehavoiurActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.StructuredActivityNodeEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.TestIdentityActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.TimeConstraintAsLocalPostcondEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.TimeConstraintAsLocalPrecondEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ValueSpecificationActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.part.UMLDiagramUpdater;
import org.eclipse.papyrus.uml.diagram.activity.part.UMLNodeDescriptor;
import org.eclipse.papyrus.uml.diagram.activity.part.UMLVisualIDRegistry;
import org.eclipse.uml2.uml.UMLPackage;
/**
* @generated
*/
public class SequenceNodeStructuredActivityNodeContentCompartmentCanonicalEditPolicy extends CanonicalEditPolicy {
/**
* @generated
*/
private Set<EStructuralFeature> myFeaturesToSynchronize;
/**
* @generated
*/
@Override
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
*/
@Override
protected Set<EStructuralFeature> getFeaturesToSynchronize() {
if (myFeaturesToSynchronize == null) {
myFeaturesToSynchronize = new HashSet<EStructuralFeature>();
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getActivity_OwnedNode());
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getActivity_OwnedGroup());
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getAction_LocalPrecondition());
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getAction_LocalPostcondition());
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getElement_OwnedComment());
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getNamespace_OwnedRule());
}
return myFeaturesToSynchronize;
}
/**
* @generated
*/
@Override
@SuppressWarnings("rawtypes")
protected List<EObject> getSemanticChildrenList() {
View viewObject = (View) getHost().getModel();
LinkedList<EObject> result = new LinkedList<EObject>();
List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.INSTANCE.getSequenceNodeStructuredActivityNodeContentCompartment_7012SemanticChildren(viewObject);
for (UMLNodeDescriptor d : childDescriptors) {
result.add(d.getModelElement());
}
return result;
}
/**
* @generated
*/
@Override
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 InitialNodeEditPart.VISUAL_ID:
case ActivityFinalNodeEditPart.VISUAL_ID:
case FlowFinalNodeEditPart.VISUAL_ID:
case OpaqueActionEditPart.VISUAL_ID:
case CallBehaviorActionEditPart.VISUAL_ID:
case CallOperationActionEditPart.VISUAL_ID:
case DecisionNodeEditPart.VISUAL_ID:
case MergeNodeEditPart.VISUAL_ID:
case ForkNodeEditPart.VISUAL_ID:
case JoinNodeEditPart.VISUAL_ID:
case DataStoreNodeEditPart.VISUAL_ID:
case SendObjectActionEditPart.VISUAL_ID:
case SendSignalActionEditPart.VISUAL_ID:
case AcceptEventActionEditPart.VISUAL_ID:
case ValueSpecificationActionEditPart.VISUAL_ID:
case ConditionalNodeEditPart.VISUAL_ID:
case ExpansionRegionEditPart.VISUAL_ID:
case LoopNodeEditPart.VISUAL_ID:
case SequenceNodeEditPart.VISUAL_ID:
case StructuredActivityNodeEditPart.VISUAL_ID:
case ReadSelfActionEditPart.VISUAL_ID:
case DurationConstraintAsLocalPrecondEditPart.VISUAL_ID:
case DurationConstraintAsLocalPostcondEditPart.VISUAL_ID:
case TimeConstraintAsLocalPrecondEditPart.VISUAL_ID:
case TimeConstraintAsLocalPostcondEditPart.VISUAL_ID:
case IntervalConstraintAsLocalPrecondEditPart.VISUAL_ID:
case IntervalConstraintAsLocalPostcondEditPart.VISUAL_ID:
case ConstraintAsLocalPrecondEditPart.VISUAL_ID:
case ConstraintAsLocalPostcondEditPart.VISUAL_ID:
case CreateObjectActionEditPart.VISUAL_ID:
case ReadStructuralFeatureActionEditPart.VISUAL_ID:
case AddStructuralFeatureValueActionEditPart.VISUAL_ID:
case DestroyObjectActionEditPart.VISUAL_ID:
case ReadVariableActionEditPart.VISUAL_ID:
case AddVariableValueActionEditPart.VISUAL_ID:
case BroadcastSignalActionEditPart.VISUAL_ID:
case CentralBufferNodeEditPart.VISUAL_ID:
case CommentEditPartCN.VISUAL_ID:
case ConstraintEditPartCN.VISUAL_ID:
case StartObjectBehavoiurActionEditPart.VISUAL_ID:
case TestIdentityActionEditPart.VISUAL_ID:
case ClearStructuralFeatureActionEditPart.VISUAL_ID:
case CreateLinkActionEditPart.VISUAL_ID:
case ReadLinkActionEditPart.VISUAL_ID:
case DestroyLinkActionEditPart.VISUAL_ID:
return true;
}
return false;
}
/**
* @generated
*/
@Override
protected void refreshSemantic() {
if (resolveSemanticElement() == null) {
return;
}
LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.INSTANCE.getSequenceNodeStructuredActivityNodeContentCompartment_7012SemanticChildren((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);
}
}
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