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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.editor.name.operation;
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import java.util.Set;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.operations.IUndoContext;
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import org.eclipse.core.runtime.IAdaptable;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.IStatus;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.name.HomotypicalGroup;
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import eu.etaxonomy.cdm.model.name.TaxonNameBase;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonBase;
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import eu.etaxonomy.taxeditor.operation.AbstractPostTaxonOperation;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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/**
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 * <p>ChangeHomotypicalGroupBasionymOperation class.</p>
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 *
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 * @author p.ciardelli
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 * @created 15.01.2009
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 * @version 1.0
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 */
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public class ChangeHomotypicalGroupBasionymOperation extends
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		AbstractPostTaxonOperation {
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	private final TaxonBase taxonBase;
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	/**
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	 * <p>Constructor for ChangeHomotypicalGroupBasionymOperation.</p>
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	 *
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	 * @param text a {@link java.lang.String} object.
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	 * @param undoContext a {@link org.eclipse.core.commands.operations.IUndoContext} object.
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	 * @param taxon a {@link eu.etaxonomy.cdm.model.taxon.Taxon} object.
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	 * @param taxonBase a {@link eu.etaxonomy.cdm.model.taxon.TaxonBase} object.
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	 * @param postOperationEnabled a {@link eu.etaxonomy.taxeditor.operation.IPostOperationEnabled} object.
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	 */
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	public ChangeHomotypicalGroupBasionymOperation(String text,
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			IUndoContext undoContext, Taxon taxon, TaxonBase taxonBase, IPostOperationEnabled postOperationEnabled) {
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		super(text, undoContext, taxon, postOperationEnabled);
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		this.taxonBase = taxonBase;
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
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	 */
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	/** {@inheritDoc} */
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	@Override
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	public IStatus execute(IProgressMonitor monitor, IAdaptable info)
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			throws ExecutionException {
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		TaxonNameBase<?, ?> name = taxonBase.getName();
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		monitor.worked(20);
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		name = HibernateProxyHelper.deproxy(name, TaxonNameBase.class);
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		HomotypicalGroup group = HibernateProxyHelper.deproxy(name.getHomotypicalGroup(), HomotypicalGroup.class);
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        TaxonNameBase oldBasionym = name.getBasionym();
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		name.setAsGroupsBasionym();
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		monitor.worked(40);
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		oldBasionym = HibernateProxyHelper.deproxy(oldBasionym, TaxonNameBase.class);
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		if (oldBasionym != null){
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			Set<TaxonBase> taxonBases = oldBasionym.getTaxonBases();
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			if (!taxonBases.isEmpty()){
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				TaxonBase oldBasionymTaxonBase = taxonBases.iterator().next();
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				postExecute(oldBasionymTaxonBase);
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			}
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		}
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		return postExecute(taxonBase);
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
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	 */
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	/** {@inheritDoc} */
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	@Override
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	public IStatus redo(IProgressMonitor monitor, IAdaptable info)
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			throws ExecutionException {
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		return execute(monitor, info);
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
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	 */
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	/** {@inheritDoc} */
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	@Override
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	public IStatus undo(IProgressMonitor monitor, IAdaptable info)
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			throws ExecutionException {
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		// TODO replace w method from cdmlib
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		// FIXME this is also old code: reimplement
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//		CdmUtil.setGroupBasionym(synonym.getName());
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		return postExecute(taxonBase);
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	}
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}
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