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/**
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* Copyright (C) 2017 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.workingSet;
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import java.util.ArrayList;
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import java.util.Collection;
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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.Map;
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import java.util.Set;
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import java.util.UUID;
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import javax.annotation.PostConstruct;
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import javax.annotation.PreDestroy;
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import javax.inject.Inject;
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import javax.inject.Named;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.e4.core.contexts.ContextInjectionFactory;
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import org.eclipse.e4.core.contexts.IEclipseContext;
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import org.eclipse.e4.ui.di.Focus;
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import org.eclipse.e4.ui.di.Persist;
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import org.eclipse.e4.ui.model.application.ui.MDirtyable;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
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import org.eclipse.jface.util.LocalSelectionTransfer;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.dnd.DND;
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import org.eclipse.swt.dnd.Transfer;
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import org.eclipse.swt.events.KeyAdapter;
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import org.eclipse.swt.events.KeyEvent;
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import org.eclipse.swt.events.ModifyEvent;
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import org.eclipse.swt.events.ModifyListener;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.swt.widgets.Shell;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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import eu.etaxonomy.cdm.api.service.ITermService;
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import eu.etaxonomy.cdm.api.service.IWorkingSetService;
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import eu.etaxonomy.cdm.model.common.DefinedTermBase;
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import eu.etaxonomy.cdm.model.description.FeatureTree;
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import eu.etaxonomy.cdm.model.description.WorkingSet;
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import eu.etaxonomy.cdm.model.location.NamedArea;
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import eu.etaxonomy.cdm.model.name.Rank;
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import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
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import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
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import eu.etaxonomy.taxeditor.session.ICdmEntitySession;
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import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.NamedAreaSelectionDialog;
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import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
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import eu.etaxonomy.taxeditor.workbench.part.IE4SavablePart;
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/**
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* @author pplitzner
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* @since Nov 21, 2017
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*
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*/
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public class WorkingSetEditor implements IE4SavablePart, IConversationEnabled, ICdmEntitySessionEnabled,
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IPartContentHasDetails, IDirtyMarkable {
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private WorkingSetComposite composite;
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private ConversationHolder conversation;
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private ICdmEntitySession cdmEntitySession;
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private WorkingSet workingSet;
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private final int dndOperations = DND.DROP_MOVE;
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@Inject
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private MDirtyable dirty;
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@Inject
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private ESelectionService selectionService;
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private ModifyListener labelModifyListener;
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@PostConstruct
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public void create(Composite parent, IEclipseContext context, @Named(IServiceConstants.ACTIVE_SHELL)Shell shell){
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if (CdmStore.isActive()){
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if(conversation == null){
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conversation = CdmStore.createConversation();
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}
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if(cdmEntitySession == null){
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cdmEntitySession = CdmStore.getCurrentSessionManager().newSession(this, true);
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}
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}
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else{
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return;
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}
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CdmFormFactory cdmFormFactory = new CdmFormFactory(Display.getCurrent());
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ContextInjectionFactory.inject(cdmFormFactory, context);
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composite = new WorkingSetComposite(parent, SWT.NONE);
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labelModifyListener = new ModifyListener() {
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@Override
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public void modifyText(ModifyEvent e) {
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dirty.setDirty(true);
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}
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};
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composite.getRankMin().addSelectionChangedListener(event->dirty.setDirty(true));
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composite.getRankMax().addSelectionChangedListener(event->dirty.setDirty(true));
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composite.getTextAreaText().addListener(SWT.MouseDown, event-> {
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NamedArea area = NamedAreaSelectionDialog.select(shell, null, null);
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if(area!=null){
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composite.setArea(area);
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}
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dirty.setDirty(true);
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});
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composite.getFeatureTreeEditorComposite().init(null, null, e->selectionService.setSelection(e.getSelection()), null);
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//add drag'n'drop support
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Transfer[] transfers = new Transfer[] {LocalSelectionTransfer.getTransfer()};
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composite.getTaxonNodeTree().addDropSupport(dndOperations, transfers, new TaxonNodeDropAdapter(this));
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composite.getTaxonNodeTree().getTree().addKeyListener(new KeyAdapter() {
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@Override
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public void keyPressed(KeyEvent e) {
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if(e.character==SWT.DEL){
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IStructuredSelection selection = (IStructuredSelection) composite.getTaxonNodeTree().getSelection();
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Iterator<TaxonNode> iterator = selection.iterator();
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while(iterator.hasNext()){
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TaxonNode taxonNode = iterator.next();
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removeTaxonNode(taxonNode);
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}
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}
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}
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});
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}
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public void init(UUID workingSetUuid) {
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this.workingSet = CdmStore.getService(IWorkingSetService.class).load(workingSetUuid);
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if(workingSet.getTitleCache()!=null){
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composite.getTxt_label().setText(workingSet.getTitleCache());
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}
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if(workingSet.getDescriptiveSystem()!=null){
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composite.setCharacters(workingSet.getDescriptiveSystem());
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}
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Rank maxRank = workingSet.getMaxRank();
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if(maxRank!=null){
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composite.setRankMax(maxRank);
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}
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Rank minRank = workingSet.getMinRank();
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if(minRank!=null){
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composite.setRankMin(minRank);
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}
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Set<NamedArea> geoFilter = workingSet.getGeoFilter();
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if(geoFilter!=null && !geoFilter.isEmpty()){
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composite.setArea(geoFilter.iterator().next());
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}
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Set<TaxonNode> taxonSubtreeFilter = workingSet.getTaxonSubtreeFilter();
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if(taxonSubtreeFilter!=null){
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composite.getTaxonNodeTree().setInput(taxonSubtreeFilter);
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}
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composite.getTxt_label().addModifyListener(labelModifyListener);
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}
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public void addTaxonNode(TaxonNode taxonNode){
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//load into WS editor session
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taxonNode = getCdmEntitySession().load(taxonNode, false);
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Viewer taxonTreeViewer = getTaxonTreeViewer();
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Object input = taxonTreeViewer.getInput();
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Collection<TaxonNode> treeNodes;
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if(input==null){
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treeNodes = new ArrayList<>();
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}
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else{
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treeNodes = (Collection<TaxonNode>) input;
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}
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treeNodes.add(taxonNode);
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taxonTreeViewer.setInput(treeNodes);
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dirty.setDirty(true);
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}
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private void removeTaxonNode(TaxonNode taxonNode){
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Viewer taxonTreeViewer = getTaxonTreeViewer();
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Collection<TaxonNode> input = (Collection<TaxonNode>) taxonTreeViewer.getInput();
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input.remove(taxonNode);
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taxonTreeViewer.setInput(input);
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dirty.setDirty(true);
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}
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/**
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* {@inheritDoc}
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*/
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@Persist
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@Override
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public void save(IProgressMonitor monitor) {
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NamedArea area = composite.getArea();
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Set<NamedArea> areas = new HashSet<>();
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if(area!=null){
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areas.add(area);
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}
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Object input = composite.getTaxonNodeTree().getInput();
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if(input!=null){
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workingSet.setTaxonSubtreeFilter(new HashSet<>());//clear existing filter
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Collection<ITaxonTreeNode> taxonNodes = (Collection<ITaxonTreeNode>) input;
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for (ITaxonTreeNode taxonTreeNode : taxonNodes) {
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if(taxonTreeNode instanceof TaxonNode){
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TaxonNode taxonNode = (TaxonNode)taxonTreeNode;
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workingSet.addTaxonSubtree(taxonNode);
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}
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}
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}
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FeatureTree characters = composite.getCharacters();
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if(characters!=null){
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//save characters because they can be modified in this editor
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characters.getDistinctFeatures().forEach(character->CdmStore.getService(ITermService.class).merge(character,true));
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}
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DefinedTermBase rankMaxSelection = composite.getRankMax().getSelection();
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Rank rankMax = null;
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if(rankMaxSelection instanceof Rank){
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rankMax = (Rank) rankMaxSelection;
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}
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DefinedTermBase rankMinSelection = composite.getRankMin().getSelection();
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Rank rankMin = null;
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if(rankMinSelection instanceof Rank){
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rankMin = (Rank) rankMinSelection;
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}
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workingSet.setMaxRank(rankMax);
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workingSet.setMinRank(rankMin);
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workingSet.setDescriptiveSystem(characters);
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workingSet.setGeoFilter(areas);
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conversation.commit();
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CdmStore.getService(IWorkingSetService.class).merge(workingSet, true);
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dirty.setDirty(false);
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}
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/** {@inheritDoc} */
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@PreDestroy
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public void dispose() {
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if (conversation != null) {
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conversation.close();
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conversation = null;
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}
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if(cdmEntitySession != null) {
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cdmEntitySession.dispose();
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cdmEntitySession = null;
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}
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dirty.setDirty(false);
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}
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/** {@inheritDoc} */
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@Focus
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public void setFocus() {
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if (getConversationHolder() != null) {
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getConversationHolder().bind();
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}
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if(cdmEntitySession != null) {
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cdmEntitySession.bind();
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}
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}
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public Viewer getTaxonTreeViewer() {
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return composite.getTaxonNodeTree();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void update(CdmDataChangeMap arg0) {
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public ICdmEntitySession getCdmEntitySession() {
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return cdmEntitySession;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public Collection<WorkingSet> getRootEntities() {
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public Map<Object, List<String>> getPropertyPathsMap() {
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public ConversationHolder getConversationHolder() {
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return conversation;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void changed(Object element) {
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dirty.setDirty(true);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void forceDirty() {
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dirty.setDirty(true);
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}
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}
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