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/*******************************************************************************
* Copyright (c) 2016 Fundación Tecnalia Research & Innovation.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Huascar Espinoza - initial API and implementation
* Alejandra Ruíz - initial API and implementation
* Idoya Del Río - initial API and implementation
* Mari Carmen Palacios - initial API and implementation
* Angel López - initial API and implementation
*******************************************************************************/
/*
*
*/
package org.eclipse.opencert.pkm.refframework.refframework.diagram.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.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.util.CDOUtil;
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.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.resources.GMFResource;
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.gmf.runtime.notation.impl.DiagramImpl;
import org.eclipse.gmf.tooling.runtime.update.UpdaterLinkDescriptor;
import org.eclipse.opencert.infra.general.general.NamedElement;
import org.eclipse.opencert.pkm.refframework.refframework.RefframeworkPackage;
import org.eclipse.opencert.pkm.refframework.refframework.diagram.edit.parts.RefActivity2EditPart;
import org.eclipse.opencert.pkm.refframework.refframework.diagram.edit.parts.RefActivityEditPart;
import org.eclipse.opencert.pkm.refframework.refframework.diagram.edit.parts.RefArtefactEditPart;
import org.eclipse.opencert.pkm.refframework.refframework.diagram.edit.parts.RefFrameworkEditPart;
import org.eclipse.opencert.pkm.refframework.refframework.diagram.edit.parts.RefRoleEditPart;
import org.eclipse.opencert.pkm.refframework.refframework.diagram.part.RefframeworkDiagramUpdater;
import org.eclipse.opencert.pkm.refframework.refframework.diagram.part.RefframeworkLinkDescriptor;
import org.eclipse.opencert.pkm.refframework.refframework.diagram.part.RefframeworkNodeDescriptor;
import org.eclipse.opencert.pkm.refframework.refframework.diagram.part.RefframeworkVisualIDRegistry;
import org.eclipse.opencert.pkm.refframework.refframework.impl.RefFrameworkImpl;
/**
* @generated NOT
*/
public class RefFrameworkSemiCanonicalEditPolicy extends CanonicalEditPolicy {
// Start MCP
private Map<EObject, String> eObjectToIDMap = null;
private List<EObject> listRootObjects = null;
public void setObjects(List<EObject> lro)
{
listRootObjects = lro;
for(EObject element : this.listRootObjects)
{
if(element instanceof RefFrameworkImpl)
System.out.println("RefFrameworkSemiCanonicalEditPolicy.setObject(): Error object not allowed - " + element.getClass().getCanonicalName());
}
}
// End MCP
/**
* @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(RefframeworkPackage.eINSTANCE
.getRefFramework_OwnedActivities());
myFeaturesToSynchronize.add(RefframeworkPackage.eINSTANCE
.getRefFramework_OwnedArtefact());
myFeaturesToSynchronize.add(RefframeworkPackage.eINSTANCE
.getRefFramework_OwnedRole());
}
return myFeaturesToSynchronize;
}
/**
* @generated
*/
@SuppressWarnings("rawtypes")
protected List getSemanticChildrenList() {
View viewObject = (View) getHost().getModel();
LinkedList<EObject> result = new LinkedList<EObject>();
List<RefframeworkNodeDescriptor> childDescriptors = RefframeworkDiagramUpdater
.getRefFramework_1000SemanticChildren(viewObject);
for (RefframeworkNodeDescriptor d : childDescriptors) {
result.add(d.getModelElement());
}
return result;
}
/**
* @generated
*/
protected boolean isOrphaned(Collection<EObject> semanticChildren,
final View view) {
if (isShortcut(view)) {
return RefframeworkDiagramUpdater.isShortcutOrphaned(view);
}
return isMyDiagramElement(view)
&& !semanticChildren.contains(view.getElement());
}
/**
* @generated NOT
*/
private boolean isMyDiagramElement(View view) {
int visualID = RefframeworkVisualIDRegistry.getVisualID(view);
// Start MCP
/* MCP
return visualID == RefActivityEditPart.VISUAL_ID
|| visualID == RefArtefactEditPart.VISUAL_ID
|| visualID == RefRoleEditPart.VISUAL_ID;
*/
//MCP!!!
boolean res2 = false;
if(view.getElement() != null)
{
DiagramImpl diagramImpl = (DiagramImpl)getHost().getModel();
RefFrameworkImpl cs = (RefFrameworkImpl) diagramImpl.basicGetElement();
//GMFResource aa =(GMFResource) cs.eResource();
GMFResource aa = null; CDOResource bb = null;
if(cs.eResource() instanceof GMFResource)
aa =(GMFResource) cs.eResource();
else if(cs.eResource() instanceof CDOResource)
{
bb =(CDOResource) cs.eResource();
}
switch (visualID) {
case RefActivityEditPart.VISUAL_ID:
case RefArtefactEditPart.VISUAL_ID:
case RefRoleEditPart.VISUAL_ID:
NamedElement me = (NamedElement)ViewUtil.resolveSemanticElement(view);
if(me != null)
{
//String meID = aa.getID(me);
String meID = "-1";
if (aa != null) meID = aa.getID(me);
else if (bb != null) meID = getID(me);
for(EObject elem : this.listRootObjects)
{
//String rootObjectId = aa.getID(elem);
String rootObjectId = "-1";
if (aa != null) rootObjectId= aa.getID(elem);
else if (bb != null) rootObjectId = getID(elem);
if(rootObjectId == null) // Dawn cdo. a veces incluyo las relaciones y dan problemas y otras veces no
{
continue;
}
if(meID!= null && meID.compareToIgnoreCase(rootObjectId) == 0 &&
me.getClass().equals(elem.getClass())) // hay varios lelementos con el mismo UUID
{
res2 = true;
break;
}
}
}
}
}
return res2 && (visualID == RefActivityEditPart.VISUAL_ID
|| visualID == RefArtefactEditPart.VISUAL_ID
|| visualID == RefRoleEditPart.VISUAL_ID);
// End MCP
}
/**
* @generated
*/
protected static boolean isShortcut(View view) {
return view.getEAnnotation("Shortcut") != null; //$NON-NLS-1$
}
/**
* @generated NOT
*/
// Start MCP
private void setIDs() {
eObjectToIDMap = new HashMap<EObject, String>();
List<EObject> result = getSemanticChildrenList();
for(EObject elem : result)
{
/* Si CDO:
CDOLegacyAdapter cdaA = (CDOLegacyAdapter)elem.eAdapters().get(0);
eObjectToIDMap.put(elem, cdaA.cdoID().toString());
*/
// Si CDO Native
CDOID cdoID = CDOUtil.getCDOObject(elem).cdoID();
Long cdoIdLong = new Long(cdoID.toURIFragment());
eObjectToIDMap.put(elem, cdoID.toString());
}
}
/**
* @generated NOT
*/
// Start MCP
private String getID(EObject eObject) {
if (eObjectToIDMap == null)
{
return null;
}
else
{
return eObjectToIDMap.get(eObject);
}
}
// End MCP
/**
* @generated NOT
*/
protected void refreshSemantic() {
if (resolveSemanticElement() == null) {
return;
}
LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
List<RefframeworkNodeDescriptor> childDescriptors = RefframeworkDiagramUpdater
.getRefFramework_1000SemanticChildren((View) getHost()
.getModel());
//Start MCP
//eliminar los hijos que no son de este diagram
DiagramImpl diagramImpl = (DiagramImpl)getHost().getModel();
RefFrameworkImpl cs = (RefFrameworkImpl) diagramImpl.basicGetElement();
//GMFResource aa =(GMFResource) cs.eResource();
GMFResource aa = null; CDOResource bb = null;
if(cs.eResource() instanceof GMFResource)
{
aa =(GMFResource) cs.eResource();
}
else if(cs.eResource() instanceof CDOResource)
{
bb =(CDOResource) cs.eResource();
setIDs();
}
Set<String> rootObjectIds = new HashSet<String>();
for(EObject elem : this.listRootObjects)
{
if(false == elem instanceof RefFrameworkImpl)
{
//String rootObjectId = aa.getID(elem);
String rootObjectId = "-1";
if (aa != null) rootObjectId= aa.getID(elem);
else if (bb != null) rootObjectId = getID(elem);
rootObjectIds.add(rootObjectId);
}
}
LinkedList<RefframeworkNodeDescriptor> c = new LinkedList<RefframeworkNodeDescriptor>();
for(RefframeworkNodeDescriptor next : childDescriptors)
{
NamedElement me = (NamedElement)next.getModelElement();
if(me != null)
{
//String meID = aa.getID(me);
String meID = "-1";
if (aa != null) meID = aa.getID(me);
else if (bb != null) meID = getID(me);
if(meID == null || !rootObjectIds.contains(meID))
{
c.add(next);
}
else if (meID != null && rootObjectIds.contains(meID))
{
boolean OK = false;
for(EObject elem : this.listRootObjects) // hay varios elementos con el mismo UUID
{
if(me.getClass().equals(elem.getClass()))
{
OK = true;
break;
}
}
if(!OK) c.add(next);
}
}
}
childDescriptors.removeAll(c);
//End MCP
LinkedList<View> orphaned = new LinkedList<View>();
// we care to check only views we recognize as ours and not shortcuts
LinkedList<View> knownViewChildren = new LinkedList<View>();
for (View v : getViewChildren()) {
if (isShortcut(v)) {
if (RefframeworkDiagramUpdater.isShortcutOrphaned(v)) {
orphaned.add(v);
}
continue;
}
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<RefframeworkNodeDescriptor> descriptorsIterator = childDescriptors
.iterator(); descriptorsIterator.hasNext();) {
RefframeworkNodeDescriptor next = descriptorsIterator.next();
String hint = RefframeworkVisualIDRegistry.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())) {
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.getFirst());
}
}
// 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 (RefframeworkNodeDescriptor next : childDescriptors) {
String hint = RefframeworkVisualIDRegistry.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 Collection<IAdaptable> refreshConnections() {
Domain2Notation domain2NotationMap = new Domain2Notation();
Collection<RefframeworkLinkDescriptor> linkDescriptors = collectAllLinks(
getDiagram(), domain2NotationMap);
Collection existingLinks = new LinkedList(getDiagram().getEdges());
for (Iterator linksIterator = existingLinks.iterator(); linksIterator
.hasNext();) {
Edge nextDiagramLink = (Edge) linksIterator.next();
int diagramLinkVisualID = RefframeworkVisualIDRegistry
.getVisualID(nextDiagramLink);
if (diagramLinkVisualID == -1) {
if (nextDiagramLink.getSource() != null
&& nextDiagramLink.getTarget() != null) {
linksIterator.remove();
}
continue;
}
EObject diagramLinkObject = nextDiagramLink.getElement();
EObject diagramLinkSrc = nextDiagramLink.getSource().getElement();
EObject diagramLinkDst = nextDiagramLink.getTarget().getElement();
for (Iterator<RefframeworkLinkDescriptor> linkDescriptorsIterator = linkDescriptors
.iterator(); linkDescriptorsIterator.hasNext();) {
RefframeworkLinkDescriptor nextLinkDescriptor = linkDescriptorsIterator
.next();
if (diagramLinkObject == nextLinkDescriptor.getModelElement()
&& diagramLinkSrc == nextLinkDescriptor.getSource()
&& diagramLinkDst == nextLinkDescriptor
.getDestination()
&& diagramLinkVisualID == nextLinkDescriptor
.getVisualID()) {
linksIterator.remove();
linkDescriptorsIterator.remove();
break;
}
}
}
deleteViews(existingLinks.iterator());
return createConnections(linkDescriptors, domain2NotationMap);
}
/**
* @generated
*/
private Collection<RefframeworkLinkDescriptor> collectAllLinks(View view,
Domain2Notation domain2NotationMap) {
if (!RefFrameworkEditPart.MODEL_ID.equals(RefframeworkVisualIDRegistry
.getModelID(view))) {
return Collections.emptyList();
}
LinkedList<RefframeworkLinkDescriptor> result = new LinkedList<RefframeworkLinkDescriptor>();
switch (RefframeworkVisualIDRegistry.getVisualID(view)) {
case RefFrameworkEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(RefframeworkDiagramUpdater
.getRefFramework_1000ContainedLinks(view));
}
domain2NotationMap.putView(view.getElement(), view);
break;
}
case RefActivityEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(RefframeworkDiagramUpdater
.getRefActivity_2001ContainedLinks(view));
}
domain2NotationMap.putView(view.getElement(), view);
break;
}
case RefArtefactEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(RefframeworkDiagramUpdater
.getRefArtefact_2002ContainedLinks(view));
}
domain2NotationMap.putView(view.getElement(), view);
break;
}
case RefRoleEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(RefframeworkDiagramUpdater
.getRefRole_2003ContainedLinks(view));
}
domain2NotationMap.putView(view.getElement(), view);
break;
}
case RefActivity2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(RefframeworkDiagramUpdater
.getRefActivity_3001ContainedLinks(view));
}
domain2NotationMap.putView(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<RefframeworkLinkDescriptor> linkDescriptors,
Domain2Notation domain2NotationMap) {
LinkedList<IAdaptable> adapters = new LinkedList<IAdaptable>();
for (RefframeworkLinkDescriptor nextLinkDescriptor : linkDescriptors) {
EditPart sourceEditPart = getSourceEditPart(nextLinkDescriptor,
domain2NotationMap);
EditPart targetEditPart = getTargetEditPart(nextLinkDescriptor,
domain2NotationMap);
if (sourceEditPart == null || targetEditPart == null) {
continue;
}
CreateConnectionViewRequest.ConnectionViewDescriptor descriptor = new CreateConnectionViewRequest.ConnectionViewDescriptor(
nextLinkDescriptor.getSemanticAdapter(),
RefframeworkVisualIDRegistry.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 Diagram getDiagram() {
return ((View) getHost().getModel()).getDiagram();
}
/**
* @generated
*/
private EditPart getSourceEditPart(UpdaterLinkDescriptor descriptor,
Domain2Notation domain2NotationMap) {
return getEditPart(descriptor.getSource(), domain2NotationMap);
}
/**
* @generated
*/
private EditPart getTargetEditPart(UpdaterLinkDescriptor 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,
RefframeworkVisualIDRegistry.getType(hintVisualId));
if (view != null) {
return (EditPart) getHost().getViewer().getEditPartRegistry()
.get(view);
}
return null;
}
/**
* @generated
*/
@SuppressWarnings("serial")
protected static class Domain2Notation extends HashMap<EObject, View> {
/**
* @generated
*/
public boolean containsDomainElement(EObject domainElement) {
return this.containsKey(domainElement);
}
/**
* @generated
*/
public View getHinted(EObject domainEObject, String hint) {
return this.get(domainEObject);
}
/**
* @generated
*/
public void putView(EObject domainElement, View view) {
if (!containsKey(view.getElement()) || !isShortcut(view)) {
this.put(domainElement, view);
}
}
}
}