/*******************************************************************************
* 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.ui.features.event;
import static org.eclipse.bpmn2.modeler.ui.features.event.BoundaryEventFeatureContainer.BOUNDARY_EVENT_CANCEL;
import org.eclipse.bpmn2.BoundaryEvent;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.IReason;
import org.eclipse.graphiti.features.context.IUpdateContext;
import org.eclipse.graphiti.features.impl.AbstractUpdateFeature;
import org.eclipse.graphiti.features.impl.Reason;
import org.eclipse.graphiti.mm.algorithms.Ellipse;
import org.eclipse.graphiti.mm.algorithms.styles.LineStyle;
import org.eclipse.graphiti.services.Graphiti;
public class BoundaryEventUpdateFeature extends AbstractUpdateFeature {
public BoundaryEventUpdateFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public IReason updateNeeded(IUpdateContext context) {
String cancelProperty = Graphiti.getPeService().getPropertyValue(context.getPictogramElement(),
BOUNDARY_EVENT_CANCEL);
BoundaryEvent event = (BoundaryEvent) getBusinessObjectForPictogramElement(context.getPictogramElement());
boolean changed = Boolean.parseBoolean(cancelProperty) != event.isCancelActivity();
IReason reason = changed ? Reason.createTrueReason("Boundary type changed") : Reason.createFalseReason();
return reason;
}
@Override
public boolean update(IUpdateContext context) {
BoundaryEvent event = (BoundaryEvent) getBusinessObjectForPictogramElement(context.getPictogramElement());
Graphiti.getPeService().setPropertyValue(context.getPictogramElement(), BOUNDARY_EVENT_CANCEL,
Boolean.toString(event.isCancelActivity()));
Ellipse ellipse = (Ellipse) context.getPictogramElement().getGraphicsAlgorithm();
Ellipse innerEllipse = (Ellipse) ellipse.getGraphicsAlgorithmChildren().get(0);
LineStyle lineStyle = event.isCancelActivity() ? LineStyle.SOLID : LineStyle.DASH;
ellipse.setLineStyle(lineStyle);
innerEllipse.setLineStyle(lineStyle);
return true;
}
@Override
public boolean canUpdate(IUpdateContext context) {
return getBusinessObjectForPictogramElement(context.getPictogramElement()) instanceof BoundaryEvent;
}
}