/**
* Copyright (c) 2012 committers of YAKINDU 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:
* Markus Muehlbrandt - initial API and implementation
*
*/
package org.yakindu.base.gmf.runtime.treelayout.commands;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest;
import org.yakindu.base.gmf.runtime.treelayout.TreeLayoutUtil;
import org.yakindu.base.gmf.runtime.treelayout.UIUtils;
/**
*
* @author Markus Muehlbrandt
*
*/
public class UpdateAnnotationsOnReorientRelationshipCommand extends
AbstractTransactionalCommand {
private final ReorientRelationshipRequest request;
private final IGraphicalEditPart sourceEditPart;
public UpdateAnnotationsOnReorientRelationshipCommand(
ReorientRelationshipRequest request,
IGraphicalEditPart sourceEditPart) {
super(request.getEditingDomain(), request.getLabel(), null);
this.request = request;
this.sourceEditPart = sourceEditPart;
}
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
IAdaptable info) throws ExecutionException {
// Update annotations of old connection end;
final IGraphicalEditPart oldEnd = UIUtils.getEditPart(request
.getOldRelationshipEnd());
if (oldEnd != null) {
final List<IGraphicalEditPart> treeChildren = TreeLayoutUtil
.getOrderedTreeChildren(oldEnd);
treeChildren.remove(sourceEditPart);
TreeLayoutUtil.setTreeNodesPositionAnnotation(TreeLayoutUtil
.getViews(treeChildren));
}
// Update annotations of new connection end;
final IGraphicalEditPart newEnd = UIUtils.getEditPart(request
.getNewRelationshipEnd());
if (newEnd != null) {
final List<IGraphicalEditPart> treeChildren = TreeLayoutUtil
.getOrderedTreeChildren(newEnd);
treeChildren.add(sourceEditPart);
TreeLayoutUtil.setTreeNodesPositionAnnotation(TreeLayoutUtil
.getViews(treeChildren));
// Update parentAnnotation to new end
TreeLayoutUtil.setTreeNodeParentAnnotation(
sourceEditPart.getNotationView(), newEnd.getNotationView());
}
return CommandResult.newOKCommandResult();
}
}