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// $Id$
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/**
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* Copyright (C) 2013 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.view.derivateSearch;
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import java.util.ArrayList;
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import java.util.List;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.NotEnabledException;
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import org.eclipse.core.commands.NotHandledException;
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import org.eclipse.core.commands.common.NotDefinedException;
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import org.eclipse.jface.viewers.ArrayContentProvider;
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import org.eclipse.jface.viewers.DoubleClickEvent;
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import org.eclipse.jface.viewers.IDoubleClickListener;
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import org.eclipse.jface.viewers.TableViewer;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Event;
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import org.eclipse.swt.widgets.Listener;
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import org.eclipse.swt.widgets.Widget;
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import org.eclipse.ui.handlers.IHandlerService;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.service.IOccurrenceService;
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import eu.etaxonomy.cdm.api.service.config.FindOccurrencesConfigurator;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.store.SearchManager;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.SelectionDialogFactory;
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import eu.etaxonomy.taxeditor.ui.mvc.combo.EnumTermComboController;
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/**
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* Controller class for the {@link DerivateSearchComposite}.<br>
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* This controller contains the logic to search the data base for {@link SpecimenOrObservationBase}s
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* and handles GUI events.
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*
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*/
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public class DerivateSearchCompositeController implements Listener{
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private final DerivateSearchComposite derivateSearchComposite;
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private EnumTermComboController<SpecimenOrObservationType> comboSpecimenTypeController;
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private final DerivateSearchView derivateSearchView;
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private DerivateLabelProvider labelProvider;
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private Taxon selectedTaxon;
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/**
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* @param parent
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* @param derivateSearchView
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*/
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public DerivateSearchCompositeController(Composite parent, DerivateSearchView derivateSearchView) {
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this.derivateSearchComposite = new DerivateSearchComposite(parent, SWT.NONE);
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this.derivateSearchView = derivateSearchView;
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init();
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}
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private void init(){
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//derivate type combo
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comboSpecimenTypeController = new EnumTermComboController<SpecimenOrObservationType>(derivateSearchComposite.getComboDerivateType(), null, null, SpecimenOrObservationType.class, 0);
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comboSpecimenTypeController.setSelection(SpecimenOrObservationType.Unknown);
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//add listeners
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derivateSearchComposite.getSearchField().addListener(SWT.KeyDown, this);
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derivateSearchComposite.getButtonSearch().addListener(SWT.Selection, this);
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derivateSearchComposite.getBtnBrowseTaxa().addListener(SWT.Selection, this);
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derivateSearchComposite.getBtnClearTaxon().addListener(SWT.Selection, this);
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//result table
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TableViewer resultViewer = derivateSearchComposite.getResultViewer();
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resultViewer.setContentProvider(new ArrayContentProvider());
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labelProvider = new DerivateLabelProvider();
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resultViewer.setLabelProvider(labelProvider);
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resultViewer.addDoubleClickListener(new IDoubleClickListener() {
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@Override
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public void doubleClick(DoubleClickEvent event) {
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String commandId = "eu.etaxonomy.taxeditor.editor.handler.openDerivateView";
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IHandlerService handlerService = (IHandlerService) AbstractUtility.getService(IHandlerService.class);
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try {
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handlerService.executeCommand(commandId, null);
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} catch (ExecutionException e) {
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MessagingUtils.error(DerivateSearchCompositeController.class, e);
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} catch (NotDefinedException e) {
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MessagingUtils.error(DerivateSearchCompositeController.class, e);
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} catch (NotEnabledException e) {
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MessagingUtils.error(DerivateSearchCompositeController.class, e);
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} catch (NotHandledException e) {
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MessagingUtils.error(DerivateSearchCompositeController.class, e);
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}
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}
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});
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}
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private void searchDerivates(){
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if(!derivateSearchView.getConversationHolder().isBound()){
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derivateSearchView.setFocus(); //rebind the conversation
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}
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String queryString = derivateSearchComposite.getSearchField().getText();
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SpecimenOrObservationType specimenType = comboSpecimenTypeController.getSelection();
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FindOccurrencesConfigurator config = new FindOccurrencesConfigurator();
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config.setAssociatedTaxonUuid(selectedTaxon!=null?selectedTaxon.getUuid():null);
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config.setSpecimenType(specimenType.equals(SpecimenOrObservationType.Unknown)?null:specimenType);//unknown := all types
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config.setTitleSearchString(queryString);
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if(selectedTaxon!=null){
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config.setRetrieveIndirectlyAssociatedSpecimens(true);
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config.setSpecimenType(null);
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}
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SearchManager searchManager = new SearchManager();
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List<SpecimenOrObservationBase> occurrences = searchManager.findOccurrences(config);
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//filter out specimens of wrong type (only if an associated taxon was selected)
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if(selectedTaxon!=null && !specimenType.equals(SpecimenOrObservationType.Unknown)){
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List<SpecimenOrObservationBase> specimensOfCorrectType = new ArrayList<SpecimenOrObservationBase>();
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for(SpecimenOrObservationBase<?> occurrence:occurrences){
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if(occurrence.getRecordBasis().equals(specimenType)
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|| occurrence.getRecordBasis().isKindOf(specimenType)){
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specimensOfCorrectType.add(occurrence);
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}
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}
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occurrences = specimensOfCorrectType;
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}
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//filter out assigned specimens
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if(derivateSearchComposite.getBtnFilterUndeterminedSpecimen().getSelection()){
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List<SpecimenOrObservationBase> specimensWithNoDetermination = new ArrayList<SpecimenOrObservationBase>();
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for(SpecimenOrObservationBase<?> result:occurrences){
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if(CdmStore.getService(IOccurrenceService.class).countDeterminations(result, null)==0){
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specimensWithNoDetermination.add(result);
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}
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}
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occurrences = specimensWithNoDetermination;
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}
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derivateSearchComposite.getResultViewer().setInput(occurrences);
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}
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@Override
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public void handleEvent(Event event) {
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Widget eventSource = event.widget;
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if(eventSource == derivateSearchComposite.getButtonSearch()
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|| (eventSource == derivateSearchComposite.getSearchField() && event.keyCode == SWT.CR)){
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searchDerivates();
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}
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else if(eventSource==derivateSearchComposite.getBtnBrowseTaxa()){
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selectedTaxon = SelectionDialogFactory.getSelectionFromDialog(Taxon.class, derivateSearchView.getSite().getShell(), derivateSearchView.getConversationHolder(), null);
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if(selectedTaxon!=null){
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derivateSearchComposite.getTextTaxonName().setText(selectedTaxon.getTitleCache());
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}
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}
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else if(eventSource==derivateSearchComposite.getBtnClearTaxon()){
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selectedTaxon = null;
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derivateSearchComposite.getTextTaxonName().setText("");
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}
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}
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/**
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* Sets enable status of all input fields
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* @param enabled
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*/
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public void setEnabled(boolean enabled) {
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if(!derivateSearchComposite.isDisposed()){
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derivateSearchComposite.setEnabled(enabled);
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}
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}
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/**
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* Resets all input fields
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*/
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public void reset(){
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if(!derivateSearchComposite.isDisposed()){
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derivateSearchComposite.getResultViewer().setInput(null);
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derivateSearchComposite.getSearchField().setText("");
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derivateSearchComposite.getComboDerivateType().deselectAll();
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comboSpecimenTypeController.setSelection(SpecimenOrObservationType.Unknown);
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}
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selectedTaxon = null;
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}
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public TableViewer getResultViewer() {
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return derivateSearchComposite.getResultViewer();
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}
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public void setFocus() {
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derivateSearchComposite.getResultViewer().getControl().setFocus();
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}
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/**
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* @param conversationHolder
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*/
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public void setConversation(ConversationHolder conversationHolder) {
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labelProvider.setConversation(conversationHolder);
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}
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}
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