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/*****************************************************************************
* Copyright (c) 2013 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:
* Remi Schnekenburger (CEA LIST) - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.extendedtypes;
import java.util.List;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelperAdvice;
import org.eclipse.gmf.runtime.emf.type.core.edithelper.IEditHelperAdvice;
import org.eclipse.gmf.runtime.emf.type.core.requests.ConfigureRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest;
/**
* Generic class for Aspect Element types
*/
public class ComposedEditHelperAdvice extends AbstractEditHelperAdvice {
/**
* List of composed advices
*/
private final List<IEditHelperAdvice> composedAdvices;
/**
* Creates a composed edit helper advice from an ordered list of advices
*/
public ComposedEditHelperAdvice(List<IEditHelperAdvice> composedAdvices) {
this.composedAdvices = composedAdvices;
}
/**
* Returns the list of composed advices for this edit helper advice.
*
* @return the list of composed advices
*/
protected List<IEditHelperAdvice> getComposedAdvices() {
return composedAdvices;
}
/**
* {@inheritDoc}
*/
@Override
public boolean approveRequest(IEditCommandRequest request) {
for (IEditHelperAdvice advice : getComposedAdvices()) {
// each composed advice should approve the request
if (!advice.approveRequest(request)) {
return false;
}
}
return super.approveRequest(request);
}
/**
* {@inheritDoc}
*/
@Override
protected ICommand getBeforeConfigureCommand(ConfigureRequest request) {
ICommand resultCommand = null;
for (IEditHelperAdvice advice : getComposedAdvices()) {
ICommand command = advice.getBeforeEditCommand(request);
if (command != null) {
if (resultCommand != null) {
resultCommand = resultCommand.compose(command);
} else {
resultCommand = command;
}
}
}
return resultCommand;
}
/**
* {@inheritDoc}
*/
@Override
protected ICommand getAfterConfigureCommand(ConfigureRequest request) {
ICommand resultCommand = null;
for (IEditHelperAdvice advice : getComposedAdvices()) {
ICommand command = advice.getAfterEditCommand(request);
if (command != null) {
if (resultCommand != null) {
resultCommand = resultCommand.compose(command);
} else {
resultCommand = command;
}
}
}
return resultCommand;
}
/**
* {@inheritDoc}
*/
@Override
protected ICommand getBeforeCreateCommand(CreateElementRequest request) {
ICommand resultCommand = null;
for (IEditHelperAdvice advice : getComposedAdvices()) {
ICommand command = advice.getBeforeEditCommand(request);
if (command != null) {
if (resultCommand != null) {
resultCommand = resultCommand.compose(command);
} else {
resultCommand = command;
}
}
}
return resultCommand;
}
/**
* {@inheritDoc}
*/
@Override
protected ICommand getAfterCreateCommand(CreateElementRequest request) {
ICommand resultCommand = null;
for (IEditHelperAdvice advice : getComposedAdvices()) {
ICommand command = advice.getAfterEditCommand(request);
if (command != null) {
if (resultCommand != null) {
resultCommand = resultCommand.compose(command);
} else {
resultCommand = command;
}
}
}
return resultCommand;
}
/**
* {@inheritDoc}
*/
@Override
protected ICommand getBeforeCreateRelationshipCommand(CreateRelationshipRequest request) {
ICommand resultCommand = null;
for (IEditHelperAdvice advice : getComposedAdvices()) {
ICommand command = advice.getBeforeEditCommand(request);
if (command != null) {
if (resultCommand != null) {
resultCommand = resultCommand.compose(command);
} else {
resultCommand = command;
}
}
}
return resultCommand;
}
/**
* {@inheritDoc}
*/
@Override
protected ICommand getAfterCreateRelationshipCommand(CreateRelationshipRequest request) {
ICommand resultCommand = null;
for (IEditHelperAdvice advice : getComposedAdvices()) {
ICommand command = advice.getAfterEditCommand(request);
if (command != null) {
if (resultCommand != null) {
resultCommand = resultCommand.compose(command);
} else {
resultCommand = command;
}
}
}
return resultCommand;
}
}
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