/*******************************************************************************
* 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.choreography;
import static org.eclipse.bpmn2.modeler.core.features.choreography.ChoreographyProperties.MESSAGE_VISIBLE;
import org.eclipse.bpmn2.di.BPMNShape;
import org.eclipse.bpmn2.modeler.core.features.BusinessObjectUtil;
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.pictograms.ContainerShape;
import org.eclipse.graphiti.services.Graphiti;
public class ChoreographyUpdateMessageLinkFeature extends AbstractUpdateFeature {
public ChoreographyUpdateMessageLinkFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public boolean canUpdate(IUpdateContext context) {
return ChoreographyUtil.isChoreographyParticipantBand(context.getPictogramElement());
}
@Override
public IReason updateNeeded(IUpdateContext context) {
if (!ChoreographyUtil.isChoreographyParticipantBand(context.getPictogramElement())) {
return Reason.createFalseReason();
}
BPMNShape bpmnShape = BusinessObjectUtil.getFirstElementOfType(context.getPictogramElement(), BPMNShape.class);
boolean visible = new Boolean(Graphiti.getPeService().getPropertyValue(context.getPictogramElement(),
MESSAGE_VISIBLE));
return bpmnShape.isIsMessageVisible() != visible ? Reason.createTrueReason() : Reason.createFalseReason();
}
@Override
public boolean update(IUpdateContext context) {
ChoreographyUtil.drawMessageLinks((ContainerShape) context.getPictogramElement().eContainer());
BPMNShape bpmnShape = BusinessObjectUtil.getFirstElementOfType(context.getPictogramElement(), BPMNShape.class);
Graphiti.getPeService().setPropertyValue(context.getPictogramElement(), MESSAGE_VISIBLE,
Boolean.toString(bpmnShape.isIsMessageVisible()));
return true;
}
}