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/*****************************************************************************
* Copyright (c) 2012 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:
* Vincent Lorenzo (CEA LIST) Vincent.Lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.compare.merger.internal.merger;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.command.CompoundCommand;
import org.eclipse.emf.compare.FactoryException;
import org.eclipse.emf.compare.diff.internal.merge.impl.AttributeChangeRightTargetMerger;
import org.eclipse.emf.compare.diff.metamodel.AttributeChangeRightTarget;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.papyrus.commands.wrappers.GMFtoEMFCommandWrapper;
import org.eclipse.papyrus.uml.compare.merger.Activator;
import org.eclipse.papyrus.uml.compare.merger.internal.utils.MergerUtils;
import org.eclipse.papyrus.uml.compare.merger.internal.utils.PapyrusEFactory;
import org.eclipse.papyrus.uml.compare.merger.utils.ITransactionalMerger;
public class AttributeChangeRightTargetTransactionalMerger extends AttributeChangeRightTargetMerger implements ITransactionalMerger {
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.diff.merge.IMerger#applyInOrigin()
*/
@Override
public void applyInOrigin() {
if(MergerUtils.usePapyrusMerger()) {
final TransactionalEditingDomain domain = MergerUtils.getEditingDomain();
final Command cmd = getApplyInOriginCommand(domain);
if(cmd.canExecute()) {
domain.getCommandStack().execute(cmd);
}
} else {
super.applyInOrigin();
}
}
/**
*
* @see org.eclipse.emf.compare.diff.merge.DefaultMerger#undoInTarget()
*
*/
@Override
public void undoInTarget() {
if(MergerUtils.usePapyrusMerger()) {
final TransactionalEditingDomain domain = MergerUtils.getEditingDomain();
final Command cmd = getUndoInTargetCommand(domain);
if(cmd.canExecute()) {
domain.getCommandStack().execute(cmd);
}
} else {
super.undoInTarget();
}
}
public Command getApplyInOriginCommand(final TransactionalEditingDomain domain) {
// mergeRequiredDifferences(true);
// doApplyInOrigin();
// postProcess();
CompoundCommand cmd = new CompoundCommand("Apply in Origin Command for AttributeChangeRightTargetMerger"); //$NON-NLS-1$
cmd.append(getMergeRequiredDifferencesCommand(domain, true));
cmd.append(getDoApplyInOriginCommand(domain));
cmd.append(getPostProcessCommand(domain));
return cmd;
}
public Command getUndoInTargetCommand(final TransactionalEditingDomain domain) {
// mergeRequiredDifferences(false);
// doUndoInTarget();
// postProcess();
CompoundCommand cmd = new CompoundCommand("Undo In Target Command for AttributeChangeRightTargetMerger"); //$NON-NLS-1$
cmd.append(getMergeRequiredDifferencesCommand(domain, false));
cmd.append(getDoUndoInTargetCommand(domain));
cmd.append(getPostProcessCommand(domain));
return cmd;
}
public Command getDoApplyInOriginCommand(final TransactionalEditingDomain domain) {
Command cmd = null;
final AttributeChangeRightTarget theDiff = (AttributeChangeRightTarget)this.diff;
final EObject origin = theDiff.getLeftElement();
final Object value = theDiff.getRightTarget();
final EAttribute attr = theDiff.getAttribute();
try {
int valueIndex = -1;
if (attr.isMany()) {
final EObject rightElement = theDiff.getRightElement();
final Object rightValues = rightElement.eGet(attr);
if (rightValues instanceof List) {
final List<?> rightValuesList = (List<?>)rightValues;
valueIndex = rightValuesList.indexOf(value);
}
}
cmd = PapyrusEFactory.getEAddCommand(domain, origin, attr.getName(), value, valueIndex);
} catch (FactoryException e) {
Activator.log.error(e);
}
return cmd;
}
public Command getDoUndoInTargetCommand(final TransactionalEditingDomain domain) {
Command cmd = null;
final AttributeChangeRightTarget theDiff = (AttributeChangeRightTarget)this.diff;
final EObject target = theDiff.getRightElement();
final Object value = theDiff.getRightTarget();
final EAttribute attr = theDiff.getAttribute();
try {
cmd = PapyrusEFactory.getERemoveCommand(domain, target, attr.getName(), value);
} catch (FactoryException e) {
Activator.log.error(e);
}
return cmd;
}
public Command getMergeRequiredDifferencesCommand(final TransactionalEditingDomain domain, final boolean applyInOrigin) {
// TODO the super method mergeRequiredDifferences should be rewritten to use cmd too
return new GMFtoEMFCommandWrapper(new AbstractTransactionalCommand(domain, "Merge Required Differences", null) { //$NON-NLS-1$
@Override
protected CommandResult doExecuteWithResult(final IProgressMonitor monitor, final IAdaptable info) throws ExecutionException {
AttributeChangeRightTargetTransactionalMerger.this.mergeRequiredDifferences(applyInOrigin);
return null;
}
});
}
public Command getPostProcessCommand(final TransactionalEditingDomain domain) {
return new GMFtoEMFCommandWrapper(new AbstractTransactionalCommand(domain, "Merge Required Differences", null) { //$NON-NLS-1$
@Override
protected CommandResult doExecuteWithResult(final IProgressMonitor monitor, final IAdaptable info) throws ExecutionException {
AttributeChangeRightTargetTransactionalMerger.this.postProcess();
return null;
}
});
}
}
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