/*******************************************************************************
* 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.lane;
import java.io.IOException;
import org.eclipse.bpmn2.Lane;
import org.eclipse.bpmn2.LaneSet;
import org.eclipse.bpmn2.Participant;
import org.eclipse.bpmn2.Process;
import org.eclipse.bpmn2.modeler.core.Activator;
import org.eclipse.bpmn2.modeler.core.ModelHandler;
import org.eclipse.bpmn2.modeler.core.utils.FeatureSupport;
import org.eclipse.bpmn2.modeler.core.utils.ModelUtil;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IMoveShapeContext;
public class MoveFromLaneToParticipantFeature extends MoveLaneFeature {
public MoveFromLaneToParticipantFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public boolean canMoveShape(IMoveShapeContext context) {
if (getMovedLane(context).getFlowNodeRefs().isEmpty()) {
return true;
}
Participant p = (Participant) getBusinessObjectForPictogramElement(context.getTargetContainer());
if (p.getProcessRef() == null) {
return true;
}
if (!p.getProcessRef().getLaneSets().isEmpty()) {
return true;
}
return false;
}
@Override
protected void internalMove(IMoveShapeContext context) {
modifyModelStructure(context);
FeatureSupport.redraw(context.getTargetContainer());
FeatureSupport.redraw(context.getSourceContainer());
}
private void modifyModelStructure(IMoveShapeContext context) {
Lane movedLane = getMovedLane(context);
Participant targetParticipant = (Participant) getBusinessObjectForPictogramElement(context.getTargetContainer());
try {
ModelHandler handler = ModelHandler.getInstance(getDiagram());
handler.moveLane(movedLane, targetParticipant);
} catch (IOException e) {
Activator.logError(e);
}
Process process = targetParticipant.getProcessRef();
if (process.getLaneSets().isEmpty()) {
LaneSet createLaneSet = ModelHandler.FACTORY.createLaneSet();
// createLaneSet.setId(EcoreUtil.generateUUID());
process.getLaneSets().add(createLaneSet);
ModelUtil.setID(createLaneSet);
}
process.getLaneSets().get(0).getLanes().add(movedLane);
Lane fromLane = (Lane) getBusinessObjectForPictogramElement(context.getSourceContainer());
fromLane.getChildLaneSet().getLanes().remove(movedLane);
if (fromLane.getChildLaneSet().getLanes().isEmpty()) {
fromLane.setChildLaneSet(null);
}
}
}