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// $Id$
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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.bulkeditor.handler;
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import java.util.Set;
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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.jface.dialogs.MessageDialog;
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import org.eclipse.jface.text.source.Annotation;
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import org.eclipse.ui.IEditorInput;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.handlers.HandlerUtil;
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import org.eclipse.ui.texteditor.IDocumentProvider;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;
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import eu.etaxonomy.cdm.model.reference.Reference;
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import eu.etaxonomy.cdm.strategy.merge.MergeException;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.IEntityContainer;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
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import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
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import eu.etaxonomy.taxeditor.bulkeditor.IBulkEditorConstants;
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import eu.etaxonomy.taxeditor.bulkeditor.input.AbstractBulkEditorInput;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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/**
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* <p>MergeGroupHandler class.</p>
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*
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* @author p.ciardelli
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* @created 25.06.2009
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* @version 1.0
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*/
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public class MergeGroupHandler extends AbstractHandler {
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private static final Logger logger = Logger
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.getLogger(MergeGroupHandler.class);
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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/** {@inheritDoc} */
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public Object execute(ExecutionEvent event) throws ExecutionException {
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IEditorPart editor = HandlerUtil.getActiveEditor(event);
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IEditorInput input = editor.getEditorInput();
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if (editor instanceof BulkEditor && input instanceof AbstractBulkEditorInput) {
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IDocumentProvider provider = ((BulkEditor) editor).getDocumentProvider();
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LineAnnotationModel model =
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(LineAnnotationModel) provider.getAnnotationModel(input);
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// Check whether there are any group annotations
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Set<LineAnnotation> candidateAnnotations = model.getAllAnnotationsOfType(IBulkEditorConstants.TYPE_MERGE_CANDIDATE);
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if (candidateAnnotations.size() == 0) {
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MessageDialog.openWarning(HandlerUtil.getActiveShell(event),
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"No merge candidates", "No objects have been chosen for merging.");
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return null;
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}
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// Check whether group merge target has been set
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Annotation targetAnnotation = model.getFirstAnnotationOfType(IBulkEditorConstants.TYPE_MERGE_TARGET);
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if (targetAnnotation == null) {
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MessageDialog.openWarning(HandlerUtil.getActiveShell(event),
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"No group merge target set", "No group merge target has been set.");
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return null;
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}
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Object targetEntity = ((IEntityContainer<?>) targetAnnotation).getEntity();
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TeamOrPersonBase teamOrPerson = null;
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Reference ref = null;
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if (targetEntity instanceof TeamOrPersonBase){
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teamOrPerson = HibernateProxyHelper.deproxy(targetEntity, TeamOrPersonBase.class);
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} else if(targetEntity instanceof Reference){
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ref = HibernateProxyHelper.deproxy(targetEntity, Reference.class);
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}
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logger.info("Merging group");
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// model.printAnnotations();
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for (LineAnnotation annotation : candidateAnnotations) {
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//first check whether entities are mergeable
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try{
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if (ref != null){
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Reference ref2 = HibernateProxyHelper.deproxy(annotation.getEntity(), Reference.class);
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if (!CdmStore.getCommonService().isMergeable(ref, ref2, null)){
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MessageDialog.openWarning(HandlerUtil.getActiveShell(event),
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"No merge possible", "A merge of " + ref.getTitleCache() + " and " + ref2.getTitleCache() + " is not possible.");
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return null;
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}
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}
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if (teamOrPerson != null){
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TeamOrPersonBase teamOrPerson2 = HibernateProxyHelper.deproxy(annotation.getEntity(), TeamOrPersonBase.class);
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if (!CdmStore.getCommonService().isMergeable(teamOrPerson, teamOrPerson2, null)){
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MessageDialog.openWarning(HandlerUtil.getActiveShell(event),
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"No merge possible", "A merge of " + teamOrPerson.getTitleCache() + " and " + teamOrPerson2.getTitleCache() + " is not possible.");
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return null;
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}
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}
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}catch(MergeException e){
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}
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((BulkEditor) editor).removeAnnotatedLine(annotation);
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// Mark entity container for merging with target entity
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((IEntityContainer) annotation).markAsMerged(targetEntity);
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logger.info("Merging " + annotation + " with " + targetAnnotation);
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// Remove annotation from model
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model.removeAnnotation(annotation);
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}
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// model.printAnnotations();
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model.removeTypeFromAllAnnotations(IBulkEditorConstants.TYPE_MERGE_CANDIDATE);
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model.removeTypeFromAllAnnotations(IBulkEditorConstants.TYPE_MERGE_TARGET);
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}
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return null;
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}
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}
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