tests/org.eclipse.graphiti.testtool.sketch/src/org/eclipse/graphiti/testtool/sketch/features/create/SketchCreateGaShapeFeatureWithGhost.java

/*********************************************************************
* Copyright (c) 2005, 2019 SAP SE
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* Contributors:
*    SAP SE - initial API, implementation and documentation
*
* SPDX-License-Identifier: EPL-2.0
**********************************************************************/
package org.eclipse.graphiti.testtool.sketch.features.create;

import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.mm.GraphicsAlgorithmContainer;
import org.eclipse.graphiti.mm.algorithms.Ellipse;
import org.eclipse.graphiti.mm.algorithms.GraphicsAlgorithm;
import org.eclipse.graphiti.mm.algorithms.Rectangle;
import org.eclipse.graphiti.mm.pictograms.AnchorContainer;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.services.Graphiti;
import org.eclipse.graphiti.services.IGaService;
import org.eclipse.graphiti.util.IColorConstant;

/**
 * The Class SketchCreateGaShapeFeatureWithGhost.
 */
public class SketchCreateGaShapeFeatureWithGhost extends SketchCreateGaShapeFeature {

	private static final int FRAME = 10;

	/**
	 * Instantiates a new sketch create ga shape feature with ghost.
	 * 
	 * @param fp
	 *            the fp
	 * @param name
	 *            the name
	 * @param description
	 *            the description
	 * @param gaType
	 *            the ga type
	 */
	public SketchCreateGaShapeFeatureWithGhost(IFeatureProvider fp, String name, String description, Class<? extends GraphicsAlgorithm> gaType) {
		super(fp, name, description, gaType);
	}

	@Override
	protected AnchorContainer createAnchorContainer(ContainerShape targetContainer) {
		final AnchorContainer ret = super.createAnchorContainer(targetContainer);
		return ret;
	}

	@Override
	protected GraphicsAlgorithm createGa(GraphicsAlgorithmContainer gac, int width, int height) {
		IGaService gaService = Graphiti.getGaService();
		final Rectangle ghostGa = gaService.createInvisibleRectangle((PictogramElement) gac);
		gaService.setSize(ghostGa, width, height);
		final int newWidth = width - 2 * FRAME;
		final int newHeight = height - 2 * FRAME;
		final GraphicsAlgorithm innerGa = super.createGa(ghostGa, newWidth, newHeight);
		gaService.setLocationAndSize(innerGa, FRAME, FRAME, newWidth, newHeight);
		innerGa.setBackground(gaService.manageColor(getDiagram(), IColorConstant.BLUE));

		// inner inner GA
		final Ellipse innerInnerGa = gaService.createEllipse(innerGa);
		innerInnerGa.setBackground(gaService.manageColor(getDiagram(), IColorConstant.ORANGE));
		innerInnerGa.setForeground(gaService.manageColor(getDiagram(), IColorConstant.GREEN));
		innerInnerGa.setLineWidth(3);

		return ghostGa;
	}
}