org.eclipse.fmc.blockdiagram.editor/src/org/eclipse/fmc/blockdiagram/editor/features/resize/DotsShapeResizeFeature.java

/*******************************************************************************
 * <copyright>
 *
 * Copyright (c) 2013, 2013 SAP AG.
 * 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:
 *    SAP AG - initial API, implementation and documentation
 *
 * </copyright>
 *
 *******************************************************************************/
package org.eclipse.fmc.blockdiagram.editor.features.resize;

import org.eclipse.fmc.blockdiagram.editor.features.add.DotsConnectionAddFeature;
import org.eclipse.fmc.blockdiagram.editor.features.add.DotsShapeAddFeature;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IResizeShapeContext;
import org.eclipse.graphiti.features.impl.DefaultResizeShapeFeature;
import org.eclipse.graphiti.mm.algorithms.GraphicsAlgorithm;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
import org.eclipse.graphiti.mm.pictograms.Shape;
import org.eclipse.graphiti.services.Graphiti;

/**
 * 
 * @author Benjamin Schmeling
 * 
 */
public class DotsShapeResizeFeature extends DefaultResizeShapeFeature {

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

	@Override
	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.graphiti.features.impl.DefaultResizeShapeFeature#resizeShape
	 * (org.eclipse.graphiti.features.context.IResizeShapeContext)
	 */
	public void resizeShape(IResizeShapeContext context) {

		ContainerShape container = (ContainerShape) context
				.getPictogramElement();
		Graphiti.getGaService().setLocationAndSize(
				container.getGraphicsAlgorithm(), context.getX(),
				context.getY(), context.getWidth(), context.getHeight());
		int i = 0;
		if (context.getWidth() > context.getHeight()) {
			int gap = DotsShapeAddFeature.getDotsGap(context.getWidth());
			for (Shape shape : container.getChildren()) {
				GraphicsAlgorithm graphicsAlgorithm = shape
						.getGraphicsAlgorithm();
				Graphiti.getGaService().setLocationAndSize(graphicsAlgorithm,
						0 + (i) * gap, context.getHeight() / 2,
						DotsConnectionAddFeature.DOTS_SIZE,
						DotsConnectionAddFeature.DOTS_SIZE);
				i++;
			}
		} else {
			int gap = DotsShapeAddFeature.getDotsGap(context.getHeight());
			for (Shape shape : container.getChildren()) {
				GraphicsAlgorithm graphicsAlgorithm = shape
						.getGraphicsAlgorithm();
				Graphiti.getGaService().setLocationAndSize(graphicsAlgorithm,
						context.getWidth() / 2, 0 + (i) * gap,
						DotsConnectionAddFeature.DOTS_SIZE,
						DotsConnectionAddFeature.DOTS_SIZE);
				i++;
			}
		}
	}

}