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EditCommand.java
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EditCommand.java
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/*******************************************************************************
* Copyright (c) 2013 RCP Vision (http://www.rcp-vision.com) 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:
* Lorenzo Bettini - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.parsley.edit;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.AbstractOverrideableCommand;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.parsley.util.EObjectState;
/**
* @author Lorenzo Bettini - Initial contribution and API
*
*/
public class EditCommand extends AbstractOverrideableCommand {
EObject original;
EObjectState state;
/**
* @param domain
* @param label
*/
public EditCommand(EditingDomain domain, String label, EObject original,
EObjectState state) {
super(domain, label);
this.original = original;
this.state = state;
}
@Override
protected boolean prepare() {
return true;
}
@Override
public void doExecute() {
// nothing to do, it's already up to date, since
// the original object has been edited.
}
@Override
public void doUndo() {
applyUndoRedo();
}
@Override
public void doRedo() {
applyUndoRedo();
}
private void applyUndoRedo() {
EObjectState tempState = new EObjectState(original);
state.copyStateTo(original);
state = tempState;
}
@Override
public Collection<EObject> doGetAffectedObjects() {
return Collections.singleton(original);
}
}