EmendMoveAttributeCommand.java

/*******************************************************************************
 * Copyright (c) 2012 University of Mannheim: Chair for Software Engineering
 * 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:
 *    Ralph Gerbig - initial API and implementation and initial documentation
 *******************************************************************************/
package de.uni_mannheim.informatik.swt.mlm.emendation.service.commands;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.command.CompoundCommand;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.window.Window;
import org.eclipse.ui.PlatformUI;

import de.uni_mannheim.informatik.swt.mlm.emendation.service.ImpactAnalyzer;
import de.uni_mannheim.informatik.swt.mlm.emendation.service.dialogs.EmendMoveAttributeDialog;
import de.uni_mannheim.informatik.swt.models.plm.PLM.Clabject;
import de.uni_mannheim.informatik.swt.models.plm.PLM.Feature;

public class EmendMoveAttributeCommand{
	
	private Set<EObject> emendedObjects = new HashSet<EObject>();
	
	public Set<EObject> getEmendedObjects(){
		return emendedObjects;
	}
	
	public CompoundCommand run(Clabject source, Clabject target, Feature movedFeature){
		try {
			EmendMoveAttributeDialog dialog = showMoveModelElementDialog();
			
			if (dialog == null)
				return null;
			
			return runEmendation(source, target, movedFeature);
		} catch (ExecutionException e) {
			e.printStackTrace();
		}
		
		return null;
	}
	
	protected EmendMoveAttributeDialog showMoveModelElementDialog() throws ExecutionException{
		EmendMoveAttributeDialog dialog = new EmendMoveAttributeDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());
		
		if (dialog.open() == Window.OK)
			return dialog;
		else
			return null;
	}
	
	/**
	 * 
	 * @param changeOrigin The element on which the original change operation has been performed
	 * @param traitToChange The EAttribut in the meta-model to change
	 * @param newValue can bee needed because if emendation request comes from UI it can be already changed in 
	 * 					the feature
	 * @param newValue the new value to set
	 * @param changeOntologicalTypes change ontological types? 
	 * @param changeSubtypes change subtypes?
	 * @param changeSuperTypes change supertypes?
	 * @return
	 */
	protected CompoundCommand runEmendation(Clabject source, Clabject target, Feature movedFeature){
//		Set<Clabject> emendedElements = new ImpactAnalyzer().getEffectedModelElementsForAddFeatureOperation(changeOrigin); //(Set<Clabject>)new ImpactAnalyzer().calculateImpactOfChange((Clabject)changeOrigin, traitToChange, changeOntologicalTypes, changeSubtypes, changeSuperTypes);

		CompoundCommand emendationCommand = new CompoundCommand("Emendation move feature " + movedFeature.getName() + " from " + source.getName() + " to " + target.getName());
		
		EmendRemoveAttributeCommand removeAttributeCommand = new EmendRemoveAttributeCommand(); 
		Command cmd = removeAttributeCommand.run(source, movedFeature, new ImpactAnalyzer().getEffectedModelElementsForAddFeatureOperation(target, movedFeature, true));
		if (cmd != null)
			emendationCommand.append(cmd);
		EmendAddAttributeCommand addAttributeCommand = new EmendAddAttributeCommand();
		emendationCommand.append(addAttributeCommand.run(target, movedFeature));
		
		emendedObjects.addAll(removeAttributeCommand.getEmendedObjects());
		emendedObjects.addAll(addAttributeCommand.getEmendedObjects());
		
		return emendationCommand;
	}
}