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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.infra.table.efacet.common.listener;
import java.util.List;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.command.MoveCommand;
import org.eclipse.emf.facet.widgets.table.metamodel.v0_2_0.table.Row;
import org.eclipse.emf.facet.widgets.table.metamodel.v0_2_0.table.TablePackage;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.papyrus.infra.table.efacet.metamodel.papyrustable.PapyrusTable;
/**
*
* This listener allows to know when a line has been moved in the table
*
*/
public class MoveTableLineListener extends AbstractTableTriggerListener {
/**
*
* Constructor.
*
* @param table
*/
public MoveTableLineListener(final PapyrusTable table) {
super(table);
}
/**
*
* @see org.eclipse.papyrus.infra.table.efacet.common.listener.AbstractSynchronizedTableListener#isManagedNotification(org.eclipse.emf.common.notify.Notification)
*
* @param notification
* @return
*/
@Override
protected boolean isManagedNotification(final Notification notification) {
if(notification.getEventType() == Notification.MOVE && notification.getNotifier() == this.table.getTable() && notification.getFeature() == TablePackage.eINSTANCE.getTable_Rows()) {
if(this.table.isUsingContextFeature()) {
final EStructuralFeature feature = this.table.getContextFeature();
if(feature != null && feature.isOrdered()) {
return true;
}
}
}
return false;
}
/**
*
* @see org.eclipse.papyrus.infra.table.efacet.common.listener.AbstractSynchronizedTableListener#getSynchronizationCommand(org.eclipse.emf.transaction.TransactionalEditingDomain,
* org.eclipse.emf.common.notify.Notification)
*
* @param domain
* @param notification
* @return
*/
@Override
public Command getSynchronizationCommand(final TransactionalEditingDomain domain, final Notification notification) {
final EObject tableContext = this.table.getTable().getContext();
final Object currentValue = tableContext.eGet(this.table.getContextFeature());
final EObject movedValue = ((Row)notification.getNewValue()).getElement();
if(currentValue instanceof List<?>) {
final MoveCommand cmd = new MoveCommand(domain, tableContext, this.table.getContextFeature(), movedValue, notification.getPosition());
cmd.setLabel(getCommandName(notification));
return cmd;
}
return null;
}
@Override
protected String getCommandName(final Notification notification) {
return "Move Line Command (Update the Model)";
}
}
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