package org.eclipse.uml2.diagram.statemachine.edit.policies;
import java.util.ArrayList;
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.Map;
import java.util.Set;
import org.eclipse.core.runtime.IAdaptable;
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.SetViewMutabilityCommand;
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.editpolicies.CanonicalEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.RequestConstants;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.Node;
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.statemachine.edit.parts.ChoicePseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.CommentEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.CompositeStateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.DeepHistoryPseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.DoActivityEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.EntryActivityEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.EntryConnectionPointReferenceEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.EntryPointPseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.ExitActivityEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.ExitConnectionPointReferenceEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.ExitPointPseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.FinalStateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.ForkPseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.InitialPseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.InternalTransitionEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.JoinPseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.JunctionPseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.PackageEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.ShallowHistoryPseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.SimpleStateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.StateMachineEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.StateMachine_RegionEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.State_RegionEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.SubmachineStateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.TerminatePseudostateEditPart;
import org.eclipse.uml2.diagram.statemachine.edit.parts.TransitionEditPart;
import org.eclipse.uml2.diagram.statemachine.part.UMLDiagramUpdater;
import org.eclipse.uml2.diagram.statemachine.part.UMLLinkDescriptor;
import org.eclipse.uml2.diagram.statemachine.part.UMLNodeDescriptor;
import org.eclipse.uml2.diagram.statemachine.part.UMLVisualIDRegistry;
import org.eclipse.uml2.uml.UMLPackage;
/**
* @generated
*/
public class PackageCanonicalEditPolicy 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 getFeaturesToSynchronize() {
if (myFeaturesToSynchronize == null) {
myFeaturesToSynchronize = new HashSet<EStructuralFeature>();
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getPackage_PackagedElement());
myFeaturesToSynchronize.add(UMLPackage.eINSTANCE.getElement_OwnedComment());
}
return myFeaturesToSynchronize;
}
/**
* @generated
*/
@SuppressWarnings("rawtypes")
protected List getSemanticChildrenList() {
View viewObject = (View) getHost().getModel();
LinkedList<EObject> result = new LinkedList<EObject>();
List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.getPackage_1000SemanticChildren(viewObject);
for (UMLNodeDescriptor d : childDescriptors) {
result.add(d.getModelElement());
}
return result;
}
/**
* @generated
*/
@SuppressWarnings("unchecked")
protected boolean isOrphaned(Collection<EObject> semanticChildren, final View view) {
return isMyDiagramElement(view) ? !semanticChildren.contains(view.getElement()) : isDefinitelyNotMyDiagramElement(view);
}
/**
* @generated
*/
private boolean isDefinitelyNotMyDiagramElement(View view) {
int visualID = UMLVisualIDRegistry.getVisualID(view);
switch (visualID) {
case StateMachine_RegionEditPart.VISUAL_ID:
case SimpleStateEditPart.VISUAL_ID:
case EntryActivityEditPart.VISUAL_ID:
case ExitActivityEditPart.VISUAL_ID:
case DoActivityEditPart.VISUAL_ID:
case CompositeStateEditPart.VISUAL_ID:
case State_RegionEditPart.VISUAL_ID:
case SubmachineStateEditPart.VISUAL_ID:
case EntryConnectionPointReferenceEditPart.VISUAL_ID:
case ExitConnectionPointReferenceEditPart.VISUAL_ID:
case InternalTransitionEditPart.VISUAL_ID:
case FinalStateEditPart.VISUAL_ID:
case InitialPseudostateEditPart.VISUAL_ID:
case ShallowHistoryPseudostateEditPart.VISUAL_ID:
case DeepHistoryPseudostateEditPart.VISUAL_ID:
case ForkPseudostateEditPart.VISUAL_ID:
case JoinPseudostateEditPart.VISUAL_ID:
case JunctionPseudostateEditPart.VISUAL_ID:
case ChoicePseudostateEditPart.VISUAL_ID:
case TerminatePseudostateEditPart.VISUAL_ID:
case EntryPointPseudostateEditPart.VISUAL_ID:
case ExitPointPseudostateEditPart.VISUAL_ID:
return true;
}
return false;
}
/**
* @generated
*/
private boolean isMyDiagramElement(View view) {
int visualID = UMLVisualIDRegistry.getVisualID(view);
return visualID == StateMachineEditPart.VISUAL_ID || visualID == CommentEditPart.VISUAL_ID;
}
/**
* @generated
*/
protected void refreshSemantic() {
if (resolveSemanticElement() == null) {
return;
}
LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
List<UMLNodeDescriptor> childDescriptors = UMLDiagramUpdater.getPackage_1000SemanticChildren((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)
//
// 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
for (View childView : getViewChildren()) {
EObject semanticElement = childView.getElement();
if (next.getModelElement().equals(semanticElement)) {
//if (hint.equals(childView.getType())) {
if (UMLVisualIDRegistry.checkNodeVisualID((View) (getHost().getModel()), semanticElement, next.getVisualID())) {
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
}
}
}
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.getLast());
}
}
// 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);
//
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);
}
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);
@SuppressWarnings("unchecked")
List<IAdaptable> nl = (List<IAdaptable>) request.getNewObject();
createdViews.addAll(nl);
}
if (changed || createdViews.size() > 0) {
postProcessRefreshSemantic(createdViews);
}
Collection<IAdaptable> createdConnectionViews = 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<UMLLinkDescriptor> collectLinksOutgoingFromShortcut(View view, Map<EObject, View> 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<UMLLinkDescriptor> linksToFromShortcuts = new HashSet<UMLLinkDescriptor>();
for (UpdateDescriptionRequest.Descriptor next : request.getDescriptions()) {
List<IUpdaterLinkDescriptor> containedLinks = next.getContainedLinks();
for (IUpdaterLinkDescriptor ld : containedLinks) {
if (ld instanceof UMLLinkDescriptor) {
linksToFromShortcuts.add((UMLLinkDescriptor) ld);
}
}
List<IUpdaterLinkDescriptor> outgoingLinks = next.getOutgoingLinks();
for (IUpdaterLinkDescriptor ld : outgoingLinks) {
if (ld instanceof UMLLinkDescriptor) {
linksToFromShortcuts.add((UMLLinkDescriptor) ld);
}
}
if (next.getSemanticElement() != null) {
domain2NotationMap.put(next.getSemanticElement(), next.getProvider().getNotationView());
}
}
return linksToFromShortcuts;
}
/**
* @generated
*/
private Collection<IAdaptable> refreshConnections() {
Map<EObject, View> domain2NotationMap = new HashMap<EObject, View>();
Collection<UMLLinkDescriptor> 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;
}
EObject diagramLinkObject = nextDiagramLink.getElement();
View sourceView = nextDiagramLink.getSource();
View targetView = nextDiagramLink.getTarget();
if (sourceView != null && targetView != null) {
EObject diagramLinkSrc = sourceView.getElement();
EObject diagramLinkDst = targetView.getElement();
if (diagramLinkSrc != null && diagramLinkDst != null) {
for (Iterator<UMLLinkDescriptor> linkDescriptorsIterator = linkDescriptors.iterator(); linkDescriptorsIterator.hasNext();) {
UMLLinkDescriptor nextLinkDescriptor = linkDescriptorsIterator.next();
if (diagramLinkObject == nextLinkDescriptor.getModelElement() && diagramLinkSrc == nextLinkDescriptor.getSource() && diagramLinkDst == nextLinkDescriptor.getDestination()
&& diagramLinkVisualID == nextLinkDescriptor.getVisualID()) {
//Add the edge and it's domain element to the domain2Notation-Map.
if (!domain2NotationMap.containsKey(nextDiagramLink.getElement())) {
domain2NotationMap.put(nextDiagramLink.getElement(), nextDiagramLink);
}
linksIterator.remove();
linkDescriptorsIterator.remove();
break;
}
}
}
}
}
deleteViews(existingLinks.iterator());
return createConnections(linkDescriptors, domain2NotationMap);
}
/**
* @generated
*/
private Collection<UMLLinkDescriptor> collectAllLinks(View view, Map<EObject, View> domain2NotationMap) {
if (!PackageEditPart.MODEL_ID.equals(UMLVisualIDRegistry.getModelID(view))) {
return Collections.emptyList();
}
if (view != null && view.getEAnnotation("Shortcut") != null) {
return collectLinksOutgoingFromShortcut(view, domain2NotationMap);
}
LinkedList<UMLLinkDescriptor> result = new LinkedList<UMLLinkDescriptor>();
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 StateMachineEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getStateMachine_2005ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case CommentEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getComment_2006ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case StateMachine_RegionEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getRegion_3013ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case SimpleStateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getState_3001ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case EntryActivityEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getBehavior_3019ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case ExitActivityEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getBehavior_3020ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case DoActivityEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getBehavior_3021ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case CompositeStateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getState_3012ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case State_RegionEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getRegion_3002ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case SubmachineStateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getState_3016ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case EntryConnectionPointReferenceEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getConnectionPointReference_3017ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case ExitConnectionPointReferenceEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getConnectionPointReference_3018ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case InternalTransitionEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getTransition_3022ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case FinalStateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getFinalState_3003ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case InitialPseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3004ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case ShallowHistoryPseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3005ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case DeepHistoryPseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3006ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case ForkPseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3007ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case JoinPseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3008ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case JunctionPseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3009ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case ChoicePseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3010ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case TerminatePseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3011ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case EntryPointPseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3014ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case ExitPointPseudostateEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getPseudostate_3015ContainedLinks(view));
}
domain2NotationMap.put(view.getElement(), view);
break;
}
case TransitionEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(UMLDiagramUpdater.getTransition_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<IAdaptable> createConnections(Collection<UMLLinkDescriptor> linkDescriptors, Map<EObject, View> domain2NotationMap) {
LinkedList<IAdaptable> adapters = new LinkedList<IAdaptable>();
for (UMLLinkDescriptor nextLinkDescriptor : linkDescriptors) {
EditPart sourceEditPart = getEditPart(nextLinkDescriptor.getSource(), domain2NotationMap);
EditPart targetEditPart = getEditPart(nextLinkDescriptor.getDestination(), 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);
//add newly generated view to domain2notation map
EObject domainElement = (EObject) nextLinkDescriptor.getSemanticAdapter().getAdapter(EObject.class);
View viewElement = (View) viewAdapter.getAdapter(EObject.class);
domain2NotationMap.put(domainElement, viewElement);
}
}
}
return adapters;
}
/**
* @generated
*/
private EditPart getEditPart(EObject domainModelElement, Map<EObject, View> domain2NotationMap) {
View view = (View) domain2NotationMap.get(domainModelElement);
if (view != null) {
return (EditPart) getHost().getViewer().getEditPartRegistry().get(view);
}
return null;
}
}