EDIT

// $Id$

/**

* Copyright (C) 2009 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.operations;

import org.eclipse.core.commands.ExecutionException;

import org.eclipse.core.commands.operations.IUndoContext;

import org.eclipse.core.runtime.IAdaptable;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.core.runtime.IStatus;

import eu.etaxonomy.cdm.model.description.CategoricalData;

import eu.etaxonomy.cdm.model.description.CommonTaxonName;

import eu.etaxonomy.cdm.model.description.DescriptionBase;

import eu.etaxonomy.cdm.model.description.DescriptionElementBase;

import eu.etaxonomy.cdm.model.description.Distribution;

import eu.etaxonomy.cdm.model.description.Feature;

import eu.etaxonomy.cdm.model.description.IndividualsAssociation;

import eu.etaxonomy.cdm.model.description.QuantitativeData;

import eu.etaxonomy.cdm.model.description.TaxonInteraction;

import eu.etaxonomy.cdm.model.description.TextData;

/**

 * <p>ChangeDescriptionElementType class.</p>

 *

 * @author e.-m.lee

 * @date 25.05.2010

 * @version $Id: $

 */

public class ChangeDescriptionElementType extends AbstractPostOperation {

	private DescriptionElementBase sourceElement;

	private DestinationType destinationType;

	private DescriptionElementBase destinationElement;

	public enum DestinationType {

		TextData,

		Distribution

	}

	/**

	 * <p>Constructor for ChangeDescriptionElementType.</p>

	 *

	 * @param label a {@link java.lang.String} object.

	 * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.

	 * @param sourceType a {@link eu.etaxonomy.cdm.model.description.DescriptionElementBase} object.

	 * @param postOperation a {@link eu.etaxonomy.taxeditor.operations.IPostOperationEnabled} object.

	 */

	public ChangeDescriptionElementType(String label, DescriptionElementBase sourceType, IPostOperationEnabled postOperation, 

			IUndoContext undoContext) {

		super(label, undoContext, postOperation);

		this.sourceElement = sourceType;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)

	 */

	/** {@inheritDoc} */

	@Override

	public IStatus execute(IProgressMonitor monitor, IAdaptable info)

			throws ExecutionException {

		DescriptionBase inDescription = sourceElement.getInDescription();

		Feature feature = sourceElement.getFeature();

		if(sourceElement instanceof TextData){

			// FIXME I guess there are features that support more that one of these

			// and that case is not handled correctly at the moment

			if(feature.isSupportsDistribution()){

				destinationElement = Distribution.NewInstance();

			}

			else if(feature.isSupportsCommonTaxonName()){

				destinationElement = CommonTaxonName.NewInstance(null, null);

			}

			else if(feature.isSupportsTaxonInteraction()){

				destinationElement = TaxonInteraction.NewInstance();

			}

			else if(feature.isSupportsIndividualAssociation()){

				destinationElement = IndividualsAssociation.NewInstance();

			}

			else if(feature.isSupportsCategoricalData()){

				destinationElement = CategoricalData.NewInstance();

			}

			else if(feature.isSupportsQuantitativeData()){

				destinationElement = QuantitativeData.NewInstance();

			}

		}

		else{

			if(feature.isSupportsTextData()){

				destinationElement = TextData.NewInstance();

			}

		}

		destinationElement.setFeature(feature);

		inDescription.addElement(destinationElement);

		inDescription.removeElement(sourceElement);

		return postExecute(destinationElement);

	}

	/* (non-Javadoc)

	 * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)

	 */

	/** {@inheritDoc} */

	@Override

	public IStatus redo(IProgressMonitor monitor, IAdaptable info)

			throws ExecutionException {

		// TODO Auto-generated method stub

		return null;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)

	 */

	/** {@inheritDoc} */

	@Override

	public IStatus undo(IProgressMonitor monitor, IAdaptable info)

			throws ExecutionException {

		// TODO Auto-generated method stub

		return null;

	}

}