/*******************************************************************************
* Copyright (c) 2011 Red Hat, Inc.
* All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.eclipse.bpmn2.modeler.core.features.conversation;
import org.eclipse.bpmn2.Conversation;
import org.eclipse.bpmn2.modeler.core.features.AbstractBpmnAddFeature;
import org.eclipse.bpmn2.modeler.core.utils.AnchorUtil;
import org.eclipse.bpmn2.modeler.core.utils.StyleUtil;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IAddContext;
import org.eclipse.graphiti.mm.algorithms.Polygon;
import org.eclipse.graphiti.mm.algorithms.Rectangle;
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.services.IPeService;
public class AddConversationFeature extends AbstractBpmnAddFeature {
public AddConversationFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public boolean canAdd(IAddContext context) {
return context.getTargetContainer().equals(getDiagram());
}
@Override
public PictogramElement add(IAddContext context) {
IGaService gaService = Graphiti.getGaService();
IPeService peService = Graphiti.getPeService();
Conversation c = (Conversation) context.getNewObject();
int w = context.getWidth() > 0 ? context.getWidth() : 30;
int h = context.getHeight() > 0 ? context.getHeight() : 30;
ContainerShape containerShape = peService.createContainerShape(context.getTargetContainer(), true);
Rectangle rect = gaService.createInvisibleRectangle(containerShape);
gaService.setLocationAndSize(rect, context.getX(), context.getY(), w, h);
int w_5th = w / 5;
int[] xy = { w_5th, 0, w_5th * 4, 0, w, h / 2, w_5th * 4, h, w_5th, h, 0, h / 2 };
Polygon hexagon = gaService.createPolygon(rect, xy);
StyleUtil.applyBGStyle(hexagon, this);
peService.createChopboxAnchor(containerShape);
AnchorUtil.addFixedPointAnchors(containerShape, rect);
link(containerShape, c);
createDIShape(containerShape, c);
return containerShape;
}
}