/*******************************************************************************
* 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.editor.editparts.graph.graphical;
import org.eclipse.emf.henshin.model.Attribute;
import org.eclipse.emf.henshin.model.Node;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editpolicies.XYLayoutEditPolicy;
import org.eclipse.gef.requests.ChangeBoundsRequest;
import org.eclipse.gef.requests.CreateRequest;
import de.tub.tfs.henshin.editor.commands.graph.CreateAttributesCommand;
/**
* The Class NodeXYLayoutEditPolicy.
*/
public class NodeXYLayoutEditPolicy extends XYLayoutEditPolicy implements
EditPolicy {
@Override
protected Command createChangeConstraintCommand(
ChangeBoundsRequest request, EditPart child, Object constraint) {
// TODO Auto-generated method stub
return super.createChangeConstraintCommand(request, child, constraint);
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.gef.editpolicies.LayoutEditPolicy#getCreateCommand(org.eclipse
* .gef.requests.CreateRequest)
*/
@Override
protected Command getCreateCommand(CreateRequest request) {
Command command = null;
if (request.getNewObject() instanceof Attribute) {
Node node = (Node) getHost().getModel();
if (node.getType() != null)
if ((node.getType().getEAllAttributes().size()
- node.getAttributes().size() > 0))
command = new CreateAttributesCommand(node);
}
return command;
}
}