package org.eclipse.uml2.diagram.sequence.edit.policies;
import java.util.Collection;
import java.util.Collections;
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.emf.ecore.EObject;
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.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.CanonicalConnectionEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.RequestConstants;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.uml2.diagram.common.editpolicies.UpdateDescriptionRequest;
import org.eclipse.uml2.diagram.common.genapi.IUpdaterLinkDescriptor;
import org.eclipse.uml2.diagram.common.genapi.IUpdaterNodeDescriptor;
import org.eclipse.uml2.diagram.sequence.edit.parts.ActionExecutionSpecification2EditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.ActionExecutionSpecificationEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.BehaviorExecutionSpecification2EditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.BehaviorExecutionSpecificationEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.CombinedFragmentMountingRegionEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.GateEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.InnerMountingLinkEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.InteractionEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.InteractionOperandMountingRegionEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.InteractionUseMountingRegionEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.LayeredCombinedFragmentEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.LayeredInteractionUseEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.LayeredOperandEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.LifelineEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.MessageEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.MountingLinkEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.PackageEditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.StateInvariant2EditPart;
import org.eclipse.uml2.diagram.sequence.edit.parts.StateInvariantEditPart;
import org.eclipse.uml2.diagram.sequence.part.UMLDiagramUpdater;
import org.eclipse.uml2.diagram.sequence.part.UMLVisualIDRegistry;
import org.eclipse.uml2.uml.UMLPackage;
/**
* @generated
*/
public class PackageCanonicalEditPolicy extends CanonicalConnectionEditPolicy {
/**
* @generated
*/
Set myFeaturesToSynchronize;
/**
* @generated
*/
protected List getSemanticChildrenList() {
View viewObject = (View) getHost().getModel();
List result = new LinkedList();
for (Iterator it = UMLDiagramUpdater.getPackage_1000SemanticChildren(viewObject).iterator(); it.hasNext();) {
result.add(((IUpdaterNodeDescriptor) it.next()).getModelElement());
}
return result;
}
/**
* @generated
*/
protected boolean shouldDeleteView(View view) {
return true;
}
/**
* @generated
*/
@SuppressWarnings("unchecked")
protected boolean isOrphaned(Collection semanticChildren, final View view) {
int visualID = UMLVisualIDRegistry.getVisualID(view);
switch (visualID) {
case GateEditPart.VISUAL_ID:
case LayeredInteractionUseEditPart.VISUAL_ID:
case LayeredCombinedFragmentEditPart.VISUAL_ID:
case LayeredOperandEditPart.VISUAL_ID:
case LifelineEditPart.VISUAL_ID:
case ActionExecutionSpecificationEditPart.VISUAL_ID:
case StateInvariantEditPart.VISUAL_ID:
case BehaviorExecutionSpecificationEditPart.VISUAL_ID:
case InteractionUseMountingRegionEditPart.VISUAL_ID:
case CombinedFragmentMountingRegionEditPart.VISUAL_ID:
case InteractionOperandMountingRegionEditPart.VISUAL_ID:
case ActionExecutionSpecification2EditPart.VISUAL_ID:
case StateInvariant2EditPart.VISUAL_ID:
case BehaviorExecutionSpecification2EditPart.VISUAL_ID:
return true;
case InteractionEditPart.VISUAL_ID:
if (!semanticChildren.contains(view.getElement())) {
return true;
}
}
return false;
}
/**
* @generated
*/
protected String getDefaultFactoryHint() {
return null;
}
/**
* @generated
*/
protected Set getFeaturesToSynchronize() {
if (myFeaturesToSynchronize == null) {
myFeaturesToSynchronize = new HashSet();
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getPackage_PackagedElement());
}
return myFeaturesToSynchronize;
}
/**
* @generated
*/
protected List getSemanticConnectionsList() {
return Collections.EMPTY_LIST;
}
/**
* @generated
*/
protected EObject getSourceElement(EObject relationship) {
return null;
}
/**
* @generated
*/
protected EObject getTargetElement(EObject relationship) {
return null;
}
/**
* @generated
*/
protected boolean shouldIncludeConnection(Edge connector, Collection children) {
return false;
}
/**
* @generated
*/
protected void refreshSemantic() {
List createdViews = new LinkedList();
createdViews.addAll(refreshSemanticChildren());
List createdConnectionViews = new LinkedList();
createdConnectionViews.addAll(refreshSemanticConnections());
createdConnectionViews.addAll(refreshConnections());
if (createdViews.size() > 1) {
// perform a layout of the container
DeferredLayoutCommand layoutCmd = new DeferredLayoutCommand(host().getEditingDomain(), createdViews, host());
executeCommand(new ICommandProxy(layoutCmd));
}
createdViews.addAll(createdConnectionViews);
makeViewsImmutable(createdViews);
}
/**
* @generated
*/
private Diagram getDiagram() {
return ((View) getHost().getModel()).getDiagram();
}
/**
* @generated
*/
private Collection refreshConnections() {
Domain2Notation domain2NotationMap = new Domain2Notation();
Collection linkDescriptors = collectAllLinks(getDiagram(), domain2NotationMap);
Collection existingLinks = new LinkedList(getDiagram().getEdges());
for (Iterator linksIterator = existingLinks.iterator(); linksIterator.hasNext();) {
Edge nextDiagramLink = (Edge) linksIterator.next();
int diagramLinkVisualID = UMLVisualIDRegistry.getVisualID(nextDiagramLink);
if (diagramLinkVisualID == -1) {
if (nextDiagramLink.getSource() != null && nextDiagramLink.getTarget() != null) {
linksIterator.remove();
}
continue;
}
//don't remove notation-only links
if (isNotationOnlyEdge(nextDiagramLink)) {
linksIterator.remove();
continue;
}
EObject diagramLinkObject = nextDiagramLink.getElement();
EObject diagramLinkSrc = nextDiagramLink.getSource().getElement();
EObject diagramLinkDst = nextDiagramLink.getTarget().getElement();
boolean existingLinkRemoved = false;
for (Iterator LinkDescriptorsIterator = linkDescriptors.iterator(); LinkDescriptorsIterator.hasNext();) {
IUpdaterLinkDescriptor nextLinkDescriptor = (IUpdaterLinkDescriptor) LinkDescriptorsIterator.next();
if (diagramLinkObject == nextLinkDescriptor.getModelElement() && diagramLinkSrc == nextLinkDescriptor.getSource() && diagramLinkDst == nextLinkDescriptor.getDestination()
&& diagramLinkVisualID == nextLinkDescriptor.getVisualID()) {
if (!existingLinkRemoved) {
linksIterator.remove();
existingLinkRemoved = true;
}
LinkDescriptorsIterator.remove();
}
}
}
deleteViews(existingLinks.iterator());
return createConnections(linkDescriptors, domain2NotationMap);
}
/**
* @generated
*/
private Collection collectAllLinks(View view, Domain2Notation domain2NotationMap) {
if (UMLVisualIDRegistry.isShortcutDescendant(view)) {
return collectLinksOutgoingFromShortcut(view, domain2NotationMap);
}
Collection result = new LinkedList();
switch (UMLVisualIDRegistry.getVisualID(view)) {
case PackageEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPackage_1000ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case InteractionEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getInteraction_2001ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case GateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getGate_3005ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case LayeredInteractionUseEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getInteractionUse_3007ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case LayeredCombinedFragmentEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getCombinedFragment_3008ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case LayeredOperandEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getInteractionOperand_3009ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case LifelineEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getLifeline_3001ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case ActionExecutionSpecificationEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getActionExecutionSpecification_3002ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case StateInvariantEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getStateInvariant_3003ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case BehaviorExecutionSpecificationEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getBehaviorExecutionSpecification_3004ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case InteractionUseMountingRegionEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getInteractionUse_3006ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case CombinedFragmentMountingRegionEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getCombinedFragment_3010ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case InteractionOperandMountingRegionEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getInteractionOperand_3011ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case ActionExecutionSpecification2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getActionExecutionSpecification_3012ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case StateInvariant2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getStateInvariant_3013ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case BehaviorExecutionSpecification2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getBehaviorExecutionSpecification_3014ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case MessageEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getMessage_4001ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
}
for (Iterator children = view.getChildren().iterator(); children.hasNext();) {
result.addAll(collectAllLinks((View) children.next(), domain2NotationMap));
}
for (Iterator edges = view.getSourceEdges().iterator(); edges.hasNext();) {
result.addAll(collectAllLinks((View) edges.next(), domain2NotationMap));
}
return result;
}
/**
* @generated
*/
private Collection createConnections(Collection linkDescriptors, Domain2Notation domain2NotationMap) {
List adapters = new LinkedList();
for (Iterator linkDescriptorsIterator = linkDescriptors.iterator(); linkDescriptorsIterator.hasNext();) {
final IUpdaterLinkDescriptor nextLinkDescriptor = (IUpdaterLinkDescriptor) linkDescriptorsIterator.next();
EditPart sourceEditPart = getSourceEditPart(nextLinkDescriptor, domain2NotationMap);
EditPart targetEditPart = getTargetEditPart(nextLinkDescriptor, domain2NotationMap);
if (sourceEditPart == null || targetEditPart == null) {
continue;
}
CreateConnectionViewRequest.ConnectionViewDescriptor descriptor = new CreateConnectionViewRequest.ConnectionViewDescriptor(nextLinkDescriptor.getSemanticAdapter(), UMLVisualIDRegistry
.getType(nextLinkDescriptor.getVisualID()), ViewUtil.APPEND, false, ((IGraphicalEditPart) getHost()).getDiagramPreferencesHint());
CreateConnectionViewRequest ccr = new CreateConnectionViewRequest(descriptor);
ccr.setType(RequestConstants.REQ_CONNECTION_START);
ccr.setSourceEditPart(sourceEditPart);
sourceEditPart.getCommand(ccr);
ccr.setTargetEditPart(targetEditPart);
ccr.setType(RequestConstants.REQ_CONNECTION_END);
Command cmd = targetEditPart.getCommand(ccr);
if (cmd != null && cmd.canExecute()) {
executeCommand(cmd);
IAdaptable viewAdapter = (IAdaptable) ccr.getNewObject();
if (viewAdapter != null) {
adapters.add(viewAdapter);
}
}
}
return adapters;
}
/**
* @generated
*/
private EditPart getEditPart(EObject domainModelElement, Domain2Notation domain2NotationMap) {
View view = (View) domain2NotationMap.get(domainModelElement);
if (view != null) {
return (EditPart) getHost().getViewer().getEditPartRegistry().get(view);
}
return null;
}
/**
* @generated
*/
private EditPart getSourceEditPart(IUpdaterLinkDescriptor descriptor, Domain2Notation domain2NotationMap) {
return getEditPart(descriptor.getSource(), domain2NotationMap);
}
/**
* @generated
*/
private EditPart getTargetEditPart(IUpdaterLinkDescriptor descriptor, Domain2Notation domain2NotationMap) {
return getEditPart(descriptor.getDestination(), domain2NotationMap);
}
/**
* @generated
*/
protected final EditPart getHintedEditPart(EObject domainModelElement, Domain2Notation domain2NotationMap, int hintVisualId) {
View view = (View) domain2NotationMap.getHinted(domainModelElement, UMLVisualIDRegistry.getType(hintVisualId));
if (view != null) {
return (EditPart) getHost().getViewer().getEditPartRegistry().get(view);
}
return null;
}
/**
* @generated NOT
*/
private boolean isNotationOnlyEdge(Edge edge) {
switch (UMLVisualIDRegistry.getVisualID(edge.getType())) {
case MountingLinkEditPart.VISUAL_ID:
case InnerMountingLinkEditPart.VISUAL_ID:
return true;
default:
break;
}
return false;
}
/**
* @generated
*/
private Collection<IUpdaterLinkDescriptor> collectLinksOutgoingFromShortcut(View view, Domain2Notation domain2NotationMap) {
EditPart ep = (EditPart) getHost().getViewer().getEditPartRegistry().get(view);
if (false == ep instanceof IGraphicalEditPart) {
return Collections.emptyList();
}
IGraphicalEditPart editPart = (IGraphicalEditPart) ep;
UpdateDescriptionRequest request = new UpdateDescriptionRequest();
//we are not using the result command -- each editpart from the tree
//is required to push data into the request
editPart.getCommand(request);
Set<IUpdaterLinkDescriptor> linksToFromShortcuts = new HashSet<IUpdaterLinkDescriptor>();
for (UpdateDescriptionRequest.Descriptor next : request.getDescriptions()) {
linksToFromShortcuts.addAll(next.getContainedLinks());
linksToFromShortcuts.addAll(next.getOutgoingLinks());
if (next.getSemanticElement() != null) {
domain2NotationMap.put(next.getSemanticElement(), next.getProvider().getNotationView());
}
}
return linksToFromShortcuts;
}
/**
* @generated
*/
private static class Domain2Notation {
/**
* @generated
*/
private final HashMap myMap = new HashMap();
/**
* @generated
*/
public boolean containsDomainElement(EObject domainElement) {
return myMap.containsKey(domainElement);
}
/**
* @generated
*/
public boolean containsKey(EObject domainElement) {
return containsDomainElement(domainElement);
}
/**
* @generated
*/
public void put(EObject domainElement, View view) {
Object viewOrList = myMap.get(domainElement);
if (viewOrList instanceof View) {
myMap.remove(domainElement);
List<View> list = new LinkedList<View>();
list.add((View) viewOrList);
myMap.put(domainElement, list);
list.add(view);
} else if (viewOrList instanceof List) {
((List) viewOrList).add(view);
} else {
myMap.put(domainElement, view);
}
}
/**
* @generated
*/
public View get(EObject domainEObject) {
Object viewOrList = myMap.get(domainEObject);
if (viewOrList instanceof View) {
return (View) viewOrList;
}
if (viewOrList instanceof List) {
// preferring not-shortcut to shortcut -- important for cases when links arr to/from
// the element that is additionally shortcutted to the same diagram
for (Object next : (List) viewOrList) {
View nextView = (View) next;
if (nextView.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
return nextView;
}
}
return (View) ((List) viewOrList).get(0);
}
return null;
}
/**
* @generated
*/
public View getHinted(EObject domainEObject, String hint) {
if (hint == null) {
return get(domainEObject);
}
Object viewOrList = myMap.get(domainEObject);
if (viewOrList instanceof View) {
//no choice, will return what we have
return (View) viewOrList;
}
if (viewOrList instanceof List) {
for (Object next : (List) viewOrList) {
View nextView = (View) next;
if (hint.equals(nextView.getType())) {
return nextView;
}
}
//hint not found -- return what we have
return (View) ((List) viewOrList).get(0);
}
return null;
}
}
/**
* @generated
*/
@Override
protected String getFactoryHint(IAdaptable elementAdapter) {
EObject domainModelElment = (EObject) elementAdapter.getAdapter(EObject.class);
View containerView = ((IGraphicalEditPart) getHost()).getNotationView();
int hint = UMLVisualIDRegistry.getNodeVisualID(containerView, domainModelElment);
return (hint != -1) ? UMLVisualIDRegistry.getType(hint) : super.getFactoryHint(elementAdapter);
}
}