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// $Id$
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/**
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* Copyright (C) 2014 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.view.derivate.handler;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import java.util.UUID;
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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.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.ui.PartInitException;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.api.service.IOccurrenceService;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.Messages;
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import eu.etaxonomy.taxeditor.editor.handler.OpenDerivateViewHandler;
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import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateViewEditorInput;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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/**
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* @author pplitzner
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* @date Nov 25, 2014
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*
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*/
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public class OpenDerivateEditorForTaxonHandler extends AbstractHandler {
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private static final String COULD_NOT_OPEN_DERIVATIVE_EDITOR = Messages.OpenDerivateEditorForTaxonHandler_COULD_NOT_OPEN_EDITOR;
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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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ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
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if(currentSelection instanceof IStructuredSelection){
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Iterator<?> selectionIterator = ((IStructuredSelection) currentSelection).iterator();
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Set<UUID> derivateUuids = new HashSet<UUID>();
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while(selectionIterator.hasNext()){
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Object object = selectionIterator.next();
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if(object instanceof TaxonNode){
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TaxonNode node = (TaxonNode)object;
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Taxon taxon = node.getTaxon();
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List<SpecimenOrObservationBase> listByAssociatedTaxon = CdmStore.getService(IOccurrenceService.class).listByAssociatedTaxon(null, null, taxon, null, null, null, null, null);
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for (SpecimenOrObservationBase specimenOrObservationBase : listByAssociatedTaxon) {
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derivateUuids.add(specimenOrObservationBase.getUuid());
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}
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}
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}
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if(derivateUuids.isEmpty()){
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MessagingUtils.warningDialog(COULD_NOT_OPEN_DERIVATIVE_EDITOR, this, Messages.OpenDerivateEditorForTaxonHandler_NO_DERIVATIVES_FOUND);
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return null;
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}
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DerivateViewEditorInput input = new DerivateViewEditorInput(derivateUuids);
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try {
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EditorUtil.open(input);
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} catch (PartInitException e) {
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MessagingUtils.error(OpenDerivateViewHandler.class, COULD_NOT_OPEN_DERIVATIVE_EDITOR, e);
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} catch (NullPointerException npe){
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MessagingUtils.messageDialog(Messages.OpenDerivateEditorForTaxonHandler_FAILED_TO_OPEN, OpenDerivateViewHandler.class, Messages.OpenDerivateEditorForTaxonHandler_HIERARCHY_CORRUPTED, npe);
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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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