//------------------------------------------------------------------------------
// Copyright (c) 2005, 2007 IBM Corporation 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.diagram.wpdd.edit.parts;

import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.LabelEditPart;
import org.eclipse.gmf.runtime.diagram.ui.figures.LabelLocator;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;

/**
 * @generated
 */
public class DiagramExtNodeLabelEditPart extends LabelEditPart {

	/**
	 * @generated
	 */
	public DiagramExtNodeLabelEditPart(View view) {
		super(view);
	}

	/**
	 * @generated
	 */
	public void refreshBounds() {
		IFigure refFigure = ((GraphicalEditPart) getParent()).getFigure();
		int dx = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE
				.getLocation_X())).intValue();
		int dy = ((Integer) getStructuralFeatureValue(NotationPackage.eINSTANCE
				.getLocation_Y())).intValue();
		Point offset = new Point(dx, dy);
		getFigure().getParent().setConstraint(getFigure(),
				new LabelLocator(refFigure, offset, getKeyPoint()) {

					public void relocate(IFigure target) {
						Point location = getReferencePoint().getTranslated(
								getOffset());
						location.translate(-target.getBounds().width / 2, 0);
						target.setLocation(location);
						target.setSize(new Dimension(
								target.getPreferredSize().width, target
										.getPreferredSize().height));
					}

					protected Point getReferencePoint() {
						return getLabelLocation(parent);
					}
				});
	}

	/**
	 * @generated
	 */
	public Point getReferencePoint() {
		return getLabelLocation(((GraphicalEditPart) getParent()).getFigure());
	}

	/**
	 * @generated
	 */
	protected Point getLabelLocation(IFigure parent) {
		return parent.getBounds().getBottom();
	}
}