Package org.eclipse.bpmn2.modeler.core.features.lane

Source Code of org.eclipse.bpmn2.modeler.core.features.lane.MoveFromParticipantToDiagramFeature

/*******************************************************************************
* 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 MoveFromParticipantToDiagramFeature extends MoveLaneFeature {

  public MoveFromParticipantToDiagramFeature(IFeatureProvider fp) {
    super(fp);
  }

  @Override
  public boolean canMoveShape(IMoveShapeContext context) {
    return true;
  }

  @Override
  protected void internalMove(IMoveShapeContext context) {
    modifyModelStructure(context);
    FeatureSupport.redraw(context.getSourceContainer());
  }

  private void modifyModelStructure(IMoveShapeContext context) {
    Lane movedLane = getMovedLane(context);
    Participant sourceParticipant = (Participant) getBusinessObjectForPictogramElement(context.getSourceContainer());
    Participant internalParticipant = null;

    try {
      ModelHandler handler = ModelHandler.getInstance(getDiagram());
      internalParticipant = handler.getInternalParticipant();
      handler.moveLane(movedLane, internalParticipant);
    } catch (IOException e) {
      Activator.logError(e);
    }

    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);
      }

      Process process = internalParticipant.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);
    }
  }
}
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