/*******************************************************************************
* 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.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;
import org.eclipse.graphiti.mm.pictograms.ContainerShape;
public class MoveFromParticipantToLaneFeature extends MoveLaneFeature {
public MoveFromParticipantToLaneFeature(IFeatureProvider fp) {
super(fp);
}
@Override
public boolean canMoveShape(IMoveShapeContext context) {
Lane movedLane = getMovedLane(context);
boolean moveableHasFlowNodes = movedLane.getFlowNodeRefs().size() > 0;
Lane targetLane = getTargetLane(context);
boolean targetHasFlowNodeRefs = targetLane.getFlowNodeRefs().size() > 0;
if (!moveableHasFlowNodes && !targetHasFlowNodeRefs) {
return true;
}
return moveableHasFlowNodes ^ targetHasFlowNodeRefs;
}
@Override
protected void internalMove(IMoveShapeContext context) {
modifyModelStructure(context);
FeatureSupport.redraw(context.getSourceContainer());
FeatureSupport.redraw(context.getTargetContainer());
}
private Lane getTargetLane(IMoveShapeContext context) {
ContainerShape targetContainer = context.getTargetContainer();
return (Lane) getBusinessObjectForPictogramElement(targetContainer);
}
private void modifyModelStructure(IMoveShapeContext context) {
Lane movedLane = getMovedLane(context);
Lane toLane = getTargetLane(context);
try {
ModelHandler handler = ModelHandler.getInstance(getDiagram());
Participant participant = handler.getParticipant(toLane);
handler.moveLane(movedLane, participant);
} catch (IOException e) {
Activator.logError(e);
}
Participant sourceParticipant = (Participant) getBusinessObjectForPictogramElement(context.getSourceContainer());
LaneSet laneSet = null;
for (LaneSet set : sourceParticipant.getProcessRef().getLaneSets()) {
if (set.getLanes().contains(movedLane)) {
laneSet = set;
break;
}
}
if (laneSet != null) {
laneSet.getLanes().remove(movedLane);
if (laneSet.getLanes().isEmpty()) {
sourceParticipant.getProcessRef().getLaneSets().remove(laneSet);
}
}
if (toLane.getChildLaneSet() == null) {
LaneSet createLaneSet = ModelHandler.FACTORY.createLaneSet();
// createLaneSet.setId(EcoreUtil.generateUUID());
toLane.setChildLaneSet(createLaneSet);
ModelUtil.setID(createLaneSet);
}
toLane.getChildLaneSet().getLanes().add(movedLane);
}
}