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/*****************************************************************************
* Copyright (c) 2016 CEA LIST 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:
* Nicolas FAUVERGUE (ALL4TEC) nicolas.fauvergue@all4tec.net - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.internationalization.commands;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.EMFEditPlugin;
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;
/**
* This allows to define a command to reset the feature value needed.
*/
public class ResetNameTransactionalCommand extends AbstractTransactionalCommand {
/**
* The owner to modify.
*/
private EObject owner;
/**
* The feature tu reset.
*/
private EStructuralFeature feature;
/**
* This caches the label.
*/
protected static final String LABEL = EMFEditPlugin.INSTANCE.getString("_UI_SetCommand_label");
/**
* Constructor.
*
* @param domain
* The current editing domain.
* @param owner
* The owner to modify.
* @param feature
* The feature to reset.
*/
public ResetNameTransactionalCommand(final TransactionalEditingDomain domain, final EObject owner,
final EStructuralFeature feature) {
super(domain, LABEL, null);
this.owner = owner;
this.feature = feature;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.core.commands.operations.AbstractOperation#canExecute()
*/
@Override
public boolean canExecute() {
return null != this.owner.eClass().getEStructuralFeature(feature.getFeatureID())
&& null != this.owner.eGet(this.feature);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand#doExecuteWithResult(org.eclipse.core.runtime.IProgressMonitor,
* org.eclipse.core.runtime.IAdaptable)
*/
@Override
protected CommandResult doExecuteWithResult(final IProgressMonitor monitor, final IAdaptable info)
throws ExecutionException {
final Object oldValue = this.owner.eGet(this.feature);
this.owner.eSet(feature, null);
this.owner.eSet(feature, oldValue);
return CommandResult.newOKCommandResult(this.owner);
}
}
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