/*******************************************************************************
* Copyright (c) 2011, 2012 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
*
* @author Ivar Meikas
******************************************************************************/
package org.eclipse.bpmn2.modeler.core.features.containers.lane;
import org.eclipse.bpmn2.Lane;
import org.eclipse.bpmn2.LaneSet;
import org.eclipse.bpmn2.Participant;
import org.eclipse.bpmn2.Process;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IMoveShapeContext;
public class MoveFromDiagramToParticipantFeature extends MoveLaneFeature {
public MoveFromDiagramToParticipantFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public boolean canMoveShape(IMoveShapeContext context) {
Participant p = (Participant) getBusinessObjectForPictogramElement(context.getTargetContainer());
if (getMovedLane(context).getFlowNodeRefs().isEmpty()) {
return true;
}
if (p.getProcessRef() == null) {
return true;
}
if (!p.getProcessRef().getLaneSets().isEmpty()) {
return true;
}
return false;
}
@Override
protected void internalMove(IMoveShapeContext context) {
modifyModelStructure(context);
layoutPictogramElement(context.getTargetContainer());
}
private void modifyModelStructure(IMoveShapeContext context) {
Lane movedLane = getMovedLane(context);
Process sourceProcess = getProcess(context.getSourceContainer());
Process targetProcess = getProcess(context.getTargetContainer());
moveLane(movedLane, sourceProcess, targetProcess);
for (LaneSet laneSet : sourceProcess.getLaneSets()) {
if (laneSet.getLanes().contains(movedLane)) {
laneSet.getLanes().remove(movedLane);
if (laneSet.getLanes().isEmpty()) {
// remove the LaneSet if it's empty
sourceProcess.getLaneSets().remove(laneSet);
}
break;
}
}
if (targetProcess.getLaneSets().isEmpty()) {
// create a new LaneSet if needed
LaneSet newLaneSet = createLaneSet();
targetProcess.getLaneSets().add(newLaneSet);
}
targetProcess.getLaneSets().get(0).getLanes().add(movedLane);
}
}