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

Source Code of org.eclipse.bpmn2.modeler.core.features.BaseElementConnectionFeatureContainer

/*******************************************************************************
* 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;

import org.eclipse.bpmn2.BaseElement;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.IReconnectionFeature;
import org.eclipse.graphiti.features.context.IAddContext;
import org.eclipse.graphiti.features.context.IContext;
import org.eclipse.graphiti.features.context.IPictogramElementContext;
import org.eclipse.graphiti.features.context.IReconnectionContext;

public abstract class BaseElementConnectionFeatureContainer extends ConnectionFeatureContainer {

  @Override
  public Object getApplyObject(IContext context) {
    if (context instanceof IAddContext) {
      return ((IAddContext) context).getNewObject();
    } else if (context instanceof IPictogramElementContext) {
      return BusinessObjectUtil.getFirstElementOfType(
          (((IPictogramElementContext) context).getPictogramElement()), BaseElement.class);
    } else if (context instanceof IReconnectionContext) {
      IReconnectionContext rc = (IReconnectionContext)context;
      return BusinessObjectUtil.getFirstElementOfType(rc.getConnection(), BaseElement.class);
    }
    return null;
  }

  @Override
  public boolean canApplyTo(Object o) {
    return o instanceof BaseElement;
  }

  @Override
  public IReconnectionFeature getReconnectionFeature(IFeatureProvider fp) {
    return new BaseElementReconnectionFeature(fp);
  }
}
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