/*******************************************************************************
* Copyright (c) 2010-2015 Henshin developers. 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:
* TU Berlin, University of Luxembourg, SES S.A.
*******************************************************************************/
/**
*
*/
package de.tub.tfs.henshin.tggeditor.commands.move;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.henshin.model.IndependentUnit;
import org.eclipse.gef.commands.Command;
import de.tub.tfs.henshin.tgg.TGGRule;
import de.tub.tfs.henshin.tgg.interpreter.util.RuleUtil;
/**
* The Class MoveTransformationUnitCommand.
*
* @author Johann
*/
public class MoveEObjectCommand extends Command {
/** The list. */
private EList<EObject> list;
private EList<EObject> oldList;
/** The index. */
private int index;
/** The new index. */
private int newIndex;
private EObject elem;
/**
* Instantiates a new move transformation unit command.
*
* @param list the list
* @param oldIndex the old index
* @param newIndex the new index
*/
public MoveEObjectCommand(EList<EObject> list,EList<EObject> oldList,
EObject elem, int newIndex) {
super();
this.list = list;
this.index = oldList.indexOf(elem);
this.newIndex=newIndex;
this.oldList = oldList;
this.elem = elem;
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#canExecute()
*/
@Override
public boolean canExecute() {
if (elem instanceof IndependentUnit && (((IndependentUnit) elem).getName().equals("FTRuleFolder")
|| ((IndependentUnit) elem).getName().equals("RuleFolder")
|| ((IndependentUnit) elem).getName().equals("BTRuleFolder")
|| ((IndependentUnit) elem).getName().equals("CCRuleFolder")
|| ((IndependentUnit) elem).getName().equals("ITRuleFolder")))
return false;
return true;
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#execute()
*/
@Override
public void execute() {
if (oldList == list){
list.move(newIndex, index);
} else {
if (newIndex >= list.size() || newIndex < 0)
list.add(elem);
else
list.add(newIndex, elem);
if (oldList != elem.eContainer().eGet(elem.eContainmentFeature()))
oldList.remove(elem);
}
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#undo()
*/
@Override
public void undo() {
if (oldList == list){
list.move(index, newIndex);
} else {
if (oldList != elem.eContainer().eGet(elem.eContainmentFeature()))
list.remove(elem);
oldList.add(elem);
}
}
}