/*
* Copyright (c) 2006, 2009 Borland Software Corporation and others.
* 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:
* Borland Software Corporation - initial API and implementation
*/
package org.eclipse.gmf.graphdef.editor.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.Map;
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.gmfgraph.GMFGraphPackage;
import org.eclipse.gmf.graphdef.editor.edit.parts.CanvasEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.ChildAccessEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.CompartmentEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.ConnectionEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.DiagramLabelEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Ellipse2EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Ellipse3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.EllipseEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.FigureDescriptorEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.FigureGalleryEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Label2EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Label3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.LabelEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.NodeEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.PointEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Polygon2EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Polygon3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.PolygonEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Polyline2EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Polyline3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.PolylineEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Rectangle2EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.Rectangle3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.RectangleEditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.RoundedRectangle2EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.RoundedRectangle3EditPart;
import org.eclipse.gmf.graphdef.editor.edit.parts.RoundedRectangleEditPart;
import org.eclipse.gmf.graphdef.editor.part.GMFGraphDiagramUpdater;
import org.eclipse.gmf.graphdef.editor.part.GMFGraphLinkDescriptor;
import org.eclipse.gmf.graphdef.editor.part.GMFGraphNodeDescriptor;
import org.eclipse.gmf.graphdef.editor.part.GMFGraphVisualIDRegistry;
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;
/**
* @generated
*/
public class CanvasCanonicalEditPolicy extends CanonicalConnectionEditPolicy {
/**
* @generated
*/
Set myFeaturesToSynchronize;
/**
* @generated
*/
protected List getSemanticChildrenList() {
View viewObject = (View) getHost().getModel();
List result = new LinkedList();
for (Iterator it = GMFGraphDiagramUpdater.getCanvas_1000SemanticChildren(viewObject).iterator(); it.hasNext();) {
result.add(((GMFGraphNodeDescriptor) it.next()).getModelElement());
}
return result;
}
/**
* @generated
*/
protected boolean shouldDeleteView(View view) {
return true;
}
/**
* @generated
*/
protected boolean isOrphaned(Collection semanticChildren, final View view) {
if (view.getEAnnotation("Shortcut") != null) { //$NON-NLS-1$
return GMFGraphDiagramUpdater.isShortcutOrphaned(view);
}
int visualID = GMFGraphVisualIDRegistry.getVisualID(view);
switch (visualID) {
case CompartmentEditPart.VISUAL_ID:
case NodeEditPart.VISUAL_ID:
case ConnectionEditPart.VISUAL_ID:
case FigureGalleryEditPart.VISUAL_ID:
case DiagramLabelEditPart.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(GMFGraphPackage.eINSTANCE.getCanvas_Compartments());
myFeaturesToSynchronize.add(GMFGraphPackage.eINSTANCE.getCanvas_Nodes());
myFeaturesToSynchronize.add(GMFGraphPackage.eINSTANCE.getCanvas_Connections());
myFeaturesToSynchronize.add(GMFGraphPackage.eINSTANCE.getCanvas_Figures());
myFeaturesToSynchronize.add(GMFGraphPackage.eINSTANCE.getCanvas_Labels());
}
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() {
Map domain2NotationMap = new HashMap();
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 = GMFGraphVisualIDRegistry.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 linkDescriptorsIterator = linkDescriptors.iterator(); linkDescriptorsIterator.hasNext();) {
GMFGraphLinkDescriptor nextLinkDescriptor = (GMFGraphLinkDescriptor) 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 collectAllLinks(View view, Map domain2NotationMap) {
if (!CanvasEditPart.MODEL_ID.equals(GMFGraphVisualIDRegistry.getModelID(view))) {
return Collections.EMPTY_LIST;
}
Collection result = new LinkedList();
switch (GMFGraphVisualIDRegistry.getVisualID(view)) {
case CanvasEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getCanvas_1000ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case CompartmentEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getCompartment_2005ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case NodeEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getNode_2006ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case ConnectionEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getConnection_2007ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case FigureGalleryEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getFigureGallery_2008ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case DiagramLabelEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getDiagramLabel_2009ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case FigureDescriptorEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getFigureDescriptor_3009ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case RectangleEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getRectangle_3010ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Rectangle2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getRectangle_3011ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case EllipseEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getEllipse_3012ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case RoundedRectangleEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getRoundedRectangle_3013ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case PolylineEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getPolyline_3014ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case PointEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getPoint_3022ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case PolygonEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getPolygon_3023ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case LabelEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getLabel_3026ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Ellipse2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getEllipse_3015ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case RoundedRectangle2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getRoundedRectangle_3016ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Polyline2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getPolyline_3017ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Polygon2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getPolygon_3024ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Label2EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getLabel_3027ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Rectangle3EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getRectangle_3018ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Ellipse3EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getEllipse_3019ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case RoundedRectangle3EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getRoundedRectangle_3020ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Polyline3EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getPolyline_3021ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Polygon3EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getPolygon_3025ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case Label3EditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getLabel_3028ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
domain2NotationMap.put(view.getElement(), view);
}
break;
}
case ChildAccessEditPart.VISUAL_ID: {
if (!domain2NotationMap.containsKey(view.getElement())) {
result.addAll(GMFGraphDiagramUpdater.getChildAccess_4002ContainedLinks(view));
}
if (!domain2NotationMap.containsKey(view.getElement()) || view.getEAnnotation("Shortcut") == null) { //$NON-NLS-1$
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, Map domain2NotationMap) {
List adapters = new LinkedList();
for (Iterator linkDescriptorsIterator = linkDescriptors.iterator(); linkDescriptorsIterator.hasNext();) {
final GMFGraphLinkDescriptor nextLinkDescriptor = (GMFGraphLinkDescriptor) linkDescriptorsIterator.next();
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(), String
.valueOf(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, Map domain2NotationMap) {
View view = (View) domain2NotationMap.get(domainModelElement);
if (view != null) {
return (EditPart) getHost().getViewer().getEditPartRegistry().get(view);
}
return null;
}
}
