/*****************************************************************************
* Copyright (c) 2009 CEA LIST.
*
*
* 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:
* Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.clazz.custom.policies.itemsemantic;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gef.requests.ReconnectRequest;
import org.eclipse.gmf.runtime.common.core.command.ICompositeCommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientReferenceRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.clazz.custom.command.BranchDependenctReorientCommand;
import org.eclipse.papyrus.uml.diagram.clazz.custom.command.CAssociationClassCreateCommand;
import org.eclipse.papyrus.uml.diagram.clazz.custom.command.CAssociationReorientCommand;
import org.eclipse.papyrus.uml.diagram.clazz.custom.command.CTemplateBindingCreateCommand;
import org.eclipse.papyrus.uml.diagram.clazz.custom.command.ContainmentLinkReorientCommand;
import org.eclipse.papyrus.uml.diagram.clazz.custom.command.CustomAssociationBranchReorientCommand;
import org.eclipse.papyrus.uml.diagram.clazz.custom.helper.ContainmentHelper;
import org.eclipse.papyrus.uml.diagram.clazz.edit.commands.CommentAnnotatedElementReorientCommand;
import org.eclipse.papyrus.uml.diagram.clazz.edit.commands.ConstraintConstrainedElementReorientCommand;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.AssociationBranchEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.AssociationEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.CommentAnnotatedElementEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.ConstraintConstrainedElementEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.ContainmentSubLinkEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.DependencyBranchEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.TemplateBindingEditPart;
import org.eclipse.papyrus.uml.diagram.clazz.edit.policies.ClassItemSemanticEditPolicy;
import org.eclipse.papyrus.uml.diagram.clazz.providers.UMLElementTypes;
/**
* this class is used to call our own association class create command
*
*/
public class CustomClassItemSemanticEditPolicy extends ClassItemSemanticEditPolicy {
/**
*
* {@inheritDoc}
*/
protected Command getCompleteCreateRelationshipCommand(CreateRelationshipRequest req) {
if(UMLElementTypes.Association_4001 == req.getElementType()) {
return getGEFWrapper(new org.eclipse.papyrus.uml.diagram.clazz.custom.command.CAssociationCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.AssociationClass_4017 == req.getElementType()) {
return getGEFWrapper(new CAssociationClassCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.TemplateBinding_4015 == req.getElementType()) {
return getGEFWrapper(new CTemplateBindingCreateCommand(req, req.getSource(), req.getTarget()));
}
return super.getCompleteCreateRelationshipCommand(req);
}
protected Command getReorientRelationshipCommand(ReorientRelationshipRequest req) {
switch(getVisualID(req)) {
case AssociationEditPart.VISUAL_ID:
return getGEFWrapper(new CAssociationReorientCommand(req));
case DependencyBranchEditPart.VISUAL_ID:
return getGEFWrapper(new BranchDependenctReorientCommand(req));
case AssociationBranchEditPart.VISUAL_ID:
return getGEFWrapper(new CustomAssociationBranchReorientCommand(req));
case TemplateBindingEditPart.VISUAL_ID:
return UnexecutableCommand.INSTANCE;
}
return super.getReorientRelationshipCommand(req);
}
/**
*
* {@inheritDoc}
*/
protected Command getStartCreateRelationshipCommand(CreateRelationshipRequest req) {
if(UMLElementTypes.Association_4001 == req.getElementType()) {
return getGEFWrapper(new org.eclipse.papyrus.uml.diagram.clazz.custom.command.CAssociationCreateCommand(req, req.getSource(), req.getTarget()));
}
if(UMLElementTypes.AssociationClass_4017 == req.getElementType()) {
return getGEFWrapper(new CAssociationClassCreateCommand(req, req.getSource(), req.getTarget()));
}
//forbid creation of association branch from it.
if(UMLElementTypes.Association_4019 == req.getElementType()) {
return UnexecutableCommand.INSTANCE;
}
if(UMLElementTypes.TemplateBinding_4015 == req.getElementType()) {
return getGEFWrapper(new CTemplateBindingCreateCommand(req, req.getSource(), req.getTarget()));
}
return super.getStartCreateRelationshipCommand(req);
}
/**
* /*
* * {@inheritDoc}
*/
protected Command getReorientReferenceRelationshipCommand(ReorientReferenceRelationshipRequest req) {
switch(getVisualID(req)) {
case CommentAnnotatedElementEditPart.VISUAL_ID:
return getGEFWrapper(new CommentAnnotatedElementReorientCommand(req));
case ConstraintConstrainedElementEditPart.VISUAL_ID:
return getGEFWrapper(new ConstraintConstrainedElementReorientCommand(req));
case ContainmentSubLinkEditPart.VISUAL_ID:
return getGEFWrapper(new ContainmentLinkReorientCommand(req, getHost()));
}
return super.getReorientReferenceRelationshipCommand(req);
}
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.SemanticEditPolicy#getReorientRefRelationshipTargetCommand(org.eclipse.gef.requests.ReconnectRequest)
*
* @param request
* @return
*/
@Override
protected Command getReorientRefRelationshipTargetCommand(ReconnectRequest request) {
if(ContainmentHelper.isReorientContainmentLink(request)) {
request = ContainmentHelper.extendReorientTargetRequest(request);
}
return super.getReorientRefRelationshipTargetCommand(request);
}
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.SemanticEditPolicy#getReorientRefRelationshipSourceCommand(org.eclipse.gef.requests.ReconnectRequest)
*
* @param request
* @return
*/
@Override
protected Command getReorientRefRelationshipSourceCommand(ReconnectRequest request) {
if(ContainmentHelper.isReorientContainmentLink(request)) {
request = ContainmentHelper.extendReorientSourceRequest(request);
}
return super.getReorientRefRelationshipSourceCommand(request);
}
/**
*
* {@inheritDoc}
*/
protected Command getDestroyElementCommand(DestroyElementRequest req) {
ICommandProxy command = (ICommandProxy)super.getDestroyElementCommand(req);
CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(getEditingDomain(), null);
cmd.add(command.getICommand());
addDestroyIncomingContainmentLinksCommand(cmd);
ContainmentHelper.addDeleteOutgoingContainmentLinkViewCommands(getEditingDomain(), (View)getHost().getModel(), cmd);
return getGEFWrapper(cmd.reduce());
}
/**
* Adds the destroy incoming containment links command.
*
* @param cmd
* the cmd
*/
private void addDestroyIncomingContainmentLinksCommand(ICompositeCommand cmd) {
View view = (View)getHost().getModel();
for(Object next : view.getTargetEdges()) {
Edge incomingLink = (Edge)next;
if(ContainmentHelper.isContainmentLink(incomingLink)) {
cmd.add(ContainmentHelper.deleteIncomingContainmentLinkCommand(getEditingDomain(), incomingLink));
}
}
}
}