tests/org.eclipse.graphiti.testtool.sketch/src/org/eclipse/graphiti/testtool/sketch/ToggleColorFeature.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:
*    fvelasco - Bug 323349 External feature invocation
*
* SPDX-License-Identifier: EPL-2.0
**********************************************************************/
package org.eclipse.graphiti.testtool.sketch;

import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.ICustomContext;
import org.eclipse.graphiti.features.custom.AbstractCustomFeature;
import org.eclipse.graphiti.mm.algorithms.GraphicsAlgorithm;
import org.eclipse.graphiti.mm.algorithms.styles.Color;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;

public class ToggleColorFeature extends AbstractCustomFeature {

	public static final String HINT = "toggleColor"; //$NON-NLS-1$

	public ToggleColorFeature(IFeatureProvider fp) {
		super(fp);
	}

	@Override
	public String getName() {
		return "Toggle color"; //$NON-NLS-1$
	}

	@Override
	public boolean canExecute(ICustomContext context) {
		return context.getPictogramElements().length > 0;
	}

	public void execute(ICustomContext context) {
		PictogramElement[] pes = context.getPictogramElements();
		for (PictogramElement pe : pes) {
			GraphicsAlgorithm ga = pe.getGraphicsAlgorithm();
			if (ga == null)
				continue;
			Color background = ga.getBackground();
			Color newBg = manageColor(background.getGreen(), background.getBlue(), background.getRed());
			ga.setBackground(newBg);

		}
	}

}