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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.handler;
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import org.apache.log4j.Logger;
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import org.eclipse.core.commands.AbstractHandler;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.IHandler;
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import org.eclipse.core.commands.common.NotDefinedException;
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import org.eclipse.core.commands.operations.IUndoableOperation;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.taxon.Synonym;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.Page;
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import eu.etaxonomy.taxeditor.editor.name.TaxonNameEditor;
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import eu.etaxonomy.taxeditor.propertysheet.name.ConceptPropertySource;
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import eu.etaxonomy.taxeditor.propertysheet.name.MisapplicationPropertySource;
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import eu.etaxonomy.taxeditor.propertysheet.name.SynonymPropertySource;
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import eu.etaxonomy.taxeditor.propertysheet.name.TaxonBasePropertySource;
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import eu.etaxonomy.taxeditor.store.operations.DeleteConceptRelationOperation;
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import eu.etaxonomy.taxeditor.store.operations.DeleteMisapplicationOperation;
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import eu.etaxonomy.taxeditor.store.operations.DeleteSynonymOperation;
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/**
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*
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* @author n.hoffmann
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* @created 21.04.2009
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* @version 1.0
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*/
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public class DeleteTaxonBaseHandler extends AbstractHandler implements IHandler {
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private static final Logger logger = Logger
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.getLogger(DeleteTaxonBaseHandler.class);
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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public Object execute(ExecutionEvent event) throws ExecutionException {
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TaxonNameEditor editor = (TaxonNameEditor) EditorUtil.getActiveEditorPage(
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Page.NAME);
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ISelection menuSelection = HandlerUtil.getActiveMenuSelection(event);
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TaxonBasePropertySource taxonBasePropertySource = (TaxonBasePropertySource) ((StructuredSelection) menuSelection).getFirstElement();
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IUndoableOperation operation = null;
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String commandName = null;
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try{
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commandName = event.getCommand().getName();
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}catch (NotDefinedException e) {
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logger.warn("Command name not set");
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}
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// synonym
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if(taxonBasePropertySource instanceof SynonymPropertySource){
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Synonym synonym = (Synonym) taxonBasePropertySource.getTaxonBase();
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operation = new DeleteSynonymOperation(commandName, editor.getUndoContext(), editor.getTaxon(), synonym, editor);
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}
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// misapplication
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if(taxonBasePropertySource instanceof MisapplicationPropertySource){
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Taxon misapplication = (Taxon) taxonBasePropertySource.getTaxonBase();
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operation = new DeleteMisapplicationOperation(commandName, editor.getUndoContext(), editor
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.getTaxon(), misapplication, editor);
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}
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// concept relation
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if(taxonBasePropertySource instanceof ConceptPropertySource){
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Taxon concept = (Taxon) taxonBasePropertySource.getTaxonBase();
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operation = new DeleteConceptRelationOperation(commandName, editor.getUndoContext(), editor.getTaxon(), concept, editor);
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}
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EditorUtil.executeOperation(operation);
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return null;
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}
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}
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