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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.navigation.key.polytomous.handler;
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import java.util.List;
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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.common.NotDefinedException;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.description.PolytomousKey;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
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import eu.etaxonomy.taxeditor.navigation.key.polytomous.PolytomousKeyViewPart;
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import eu.etaxonomy.taxeditor.navigation.key.polytomous.operation.DeleteOperation;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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/**
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* @author n.hoffmann
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* @created Dec 3, 2010
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* @version 1.0
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*/
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public class DeleteHandler extends AbstractHandler {
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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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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
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List<PolytomousKey> keys = selection.toList();
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if(keys.isEmpty()){
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return null;
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}
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boolean confirmation = MessagingUtils.confirmDialog("Confirm deletion", "Do you want to delete the selected key" + (keys.size() == 1 ? "" : "s") + "?");
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if(confirmation){
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for(PolytomousKey key : keys){
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try {
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PolytomousKeyViewPart pkvp = (PolytomousKeyViewPart) NavigationUtil.getView(PolytomousKeyViewPart.ID, false);
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AbstractPostOperation operation = new DeleteOperation(
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event.getCommand().getName(),
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NavigationUtil.getUndoContext(), key,
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pkvp,
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pkvp,
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pkvp);
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NavigationUtil.executeOperation(operation);
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} catch (NotDefinedException e) {
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MessagingUtils.error(getClass(), e);
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}
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}
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}
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return null;
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}
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}
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