EDIT

/**

* Copyright (C) 2007 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.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.TaxonDescription;

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

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

import eu.etaxonomy.cdm.model.taxon.Taxon;

/**

 * <p>CreateDescriptionElementOperation class.</p>

 *

 * @author p.ciardelli

 * @author n.hoffmann

 * @created 05.02.2009

 * @version 1.0

 */

public class CreateDescriptionElementOperation extends AbstractPostOperation {

	/** Constant <code>ID="eu.etaxonomy.taxeditor.editor.descripti"{trunked}</code> */

	public static final String ID = "eu.etaxonomy.taxeditor.editor.description.createDescriptionElement";

	private TaxonDescription description;

	private Feature feature;

	private DescriptionElementBase element;

	/**

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

	 *

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

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

	 * @param taxon a {@link eu.etaxonomy.cdm.model.taxon.Taxon} object.

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

	 * @param feature a {@link eu.etaxonomy.cdm.model.description.Feature} object.

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

	 */

	public CreateDescriptionElementOperation(String label, IUndoContext undoContext,

			Taxon taxon, TaxonDescription description, Feature feature, IPostOperationEnabled postOperationEnabled) {

		super(label, undoContext, taxon, postOperationEnabled);

		this.description = description;

		this.feature = feature;

	}

	/**

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

	 *

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

	 * @param taxon a {@link eu.etaxonomy.cdm.model.taxon.Taxon} object.

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

	 * @param feature a {@link eu.etaxonomy.cdm.model.description.Feature} object.

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

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

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

	 */

	public CreateDescriptionElementOperation(String label,

			IUndoContext undoContext, Taxon taxon,

			TaxonDescription description, Feature feature,

			DescriptionElementBase element, IPostOperationEnabled postOperationEnabled) {

		this(label, undoContext, taxon, description, feature, postOperationEnabled);

		this.element = element;

	}

	/* (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 {

		monitor.worked(20);

		if (element == null) {

			if (feature.isSupportsCommonTaxonName()) {

				element = CommonTaxonName.NewInstance("", null);

			} 

			else if (feature.isSupportsDistribution()) {

				element = Distribution.NewInstance();

			} 

			else if(feature.isSupportsTaxonInteraction()){

				element = TaxonInteraction.NewInstance();

			}

			else if(feature.isSupportsIndividualAssociation()){

				element = IndividualsAssociation.NewInstance();

			}

			else if(feature.isSupportsCategoricalData()){

				element = CategoricalData.NewInstance();

			}

			else if(feature.isSupportsQuantitativeData()){

				element = QuantitativeData.NewInstance();

			}

			else {

				element = TextData.NewInstance();

			}

		}

		element.setFeature(feature);

		description.addElement(element);

		monitor.worked(40);

		return postExecute(element);

	}

	/* (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 {

		description.addElement(element);

		return postExecute(element);

	}

	/* (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 {

		description.removeElement(element);

		return postExecute(null);

	}

}