/*******************************************************************************
* 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.activity.subprocess;
import static org.eclipse.bpmn2.modeler.ui.features.activity.subprocess.SubProcessFeatureContainer.TRIGGERED_BY_EVENT;
import org.eclipse.bpmn2.SubProcess;
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.Property;
import org.eclipse.graphiti.mm.algorithms.RoundedRectangle;
import org.eclipse.graphiti.mm.algorithms.styles.LineStyle;
import org.eclipse.graphiti.services.Graphiti;
public class UpdateSubProcessFeature extends AbstractUpdateFeature {
public UpdateSubProcessFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public boolean canUpdate(IUpdateContext context) {
Object bo = getBusinessObjectForPictogramElement(context.getPictogramElement());
return bo != null && bo instanceof SubProcess;
}
@Override
public IReason updateNeeded(IUpdateContext context) {
Property triggerProperty = Graphiti.getPeService().getProperty(context.getPictogramElement(),
TRIGGERED_BY_EVENT);
if (triggerProperty == null)
return Reason.createFalseReason();
SubProcess process = (SubProcess) getBusinessObjectForPictogramElement(context.getPictogramElement());
boolean changed = Boolean.parseBoolean(triggerProperty.getValue()) != process.isTriggeredByEvent();
IReason reason = changed ? Reason.createTrueReason("Trigger property changed") : Reason.createFalseReason();
return reason;
}
@Override
public boolean update(IUpdateContext context) {
SubProcess process = (SubProcess) getBusinessObjectForPictogramElement(context.getPictogramElement());
Graphiti.getPeService().setPropertyValue(context.getPictogramElement(), TRIGGERED_BY_EVENT,
Boolean.toString(process.isTriggeredByEvent()));
RoundedRectangle rectangle = (RoundedRectangle) Graphiti.getPeService()
.getAllContainedPictogramElements(context.getPictogramElement()).iterator().next()
.getGraphicsAlgorithm();
LineStyle lineStyle = process.isTriggeredByEvent() ? LineStyle.DOT : LineStyle.SOLID;
rectangle.setLineStyle(lineStyle);
return true;
}
}