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package eu.etaxonomy.taxeditor.editor.view.checklist.e4;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Set;
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import java.util.SortedSet;
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import javax.inject.Inject;
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import org.apache.commons.lang.StringUtils;
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import org.apache.log4j.Logger;
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import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
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import org.eclipse.jface.viewers.ArrayContentProvider;
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import org.eclipse.jface.viewers.CellEditor;
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import org.eclipse.jface.viewers.ComboBoxViewerCellEditor;
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import org.eclipse.jface.viewers.EditingSupport;
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import org.eclipse.jface.viewers.ICellEditorListener;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.LabelProvider;
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import org.eclipse.jface.viewers.SelectionChangedEvent;
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import org.eclipse.jface.viewers.StructuredSelection;
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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.TableColumn;
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import eu.etaxonomy.cdm.api.service.IDescriptionService;
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import eu.etaxonomy.cdm.model.common.DefinedTermBase;
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import eu.etaxonomy.cdm.model.common.TermType;
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import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
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import eu.etaxonomy.cdm.model.description.Distribution;
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import eu.etaxonomy.cdm.model.description.PresenceAbsenceTerm;
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import eu.etaxonomy.cdm.model.description.TaxonDescription;
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import eu.etaxonomy.cdm.model.location.NamedArea;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.taxeditor.editor.SimpleSelectionProvider;
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import eu.etaxonomy.taxeditor.editor.view.checklist.ChecklistEditor;
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import eu.etaxonomy.taxeditor.editor.view.checklist.edit.CdmComboBoxViewerCellEditor;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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public final class DistributionEditingSupportE4 extends EditingSupport {
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private ComboBoxViewerCellEditor cellEditor = null;
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private final TableViewer viewer;
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private final ChecklistEditorE4 editor;
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// private final IDescriptionService descriptionService;
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private final int columnIndex;
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@Inject
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private ESelectionService selService;
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private ISelectionChangedListener selectionChangedListener;
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private static final Logger logger = Logger.getLogger(DistributionEditingSupportE4.class);
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public DistributionEditingSupportE4(TableViewer viewer, ChecklistEditorE4 checklistEditor, int columnIndex) {
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super(viewer);
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this.viewer = viewer;
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this.columnIndex = columnIndex;
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// descriptionService = CdmStore.getService(IDescriptionService.class);
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editor = checklistEditor;
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cellEditor = new ComboBoxViewerCellEditor((Composite) viewer.getControl(), SWT.READ_ONLY);
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cellEditor.setLabelProvider(new LabelProvider(){
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@Override
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public String getText(Object element) {
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if (element instanceof PresenceAbsenceTerm) {
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PresenceAbsenceTerm status = (PresenceAbsenceTerm)element;
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String result = null;
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if (PreferencesUtil.isShowSymbolInChecklistEditor() && !StringUtils.isBlank(status.getSymbol())){
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result = status.getTitleCache() + "("+ status.getSymbol()+")";
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}else{
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result = status.getTitleCache();
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}
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return result;
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}
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return null;
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}
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});
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// selectionChangedListener = (event -> selService.setSelection(event));
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// cellEditor.addListener(selectionChangedListener);
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cellEditor.setContentProvider(new ArrayContentProvider());
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// TODO set input
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// List<PresenceAbsenceTermBase> input = CdmStore.getTermManager()
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// .getPreferredTerms(PresenceAbsenceTermBase.class);
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selectionChangedListener = (event -> selService.setSelection(event));
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viewer.addSelectionChangedListener(selectionChangedListener);
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List<DefinedTermBase<?>> input = CdmStore.getTermManager().getPreferredTerms(TermType.PresenceAbsenceTerm);
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cellEditor.setInput(input);
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}
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@Override
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protected CellEditor getCellEditor(Object element) {
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return cellEditor;
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}
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@Override
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protected boolean canEdit(Object element) {
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return true;
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}
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@Override
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protected Object getValue(Object element) {
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if (element instanceof Taxon) {
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Taxon taxon = (Taxon) element;
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String result = null;
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Distribution distributionForColumn = getDistributionForColumn(taxon);
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if (distributionForColumn != null) {
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PresenceAbsenceTerm status = distributionForColumn.getStatus();
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if (PreferencesUtil.isShowIdInVocabularyInChecklistEditor()){
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if (status.getIdInVocabulary() != null){
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result = status.getIdInVocabulary();
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} else{
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result = status.getTitleCache();
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}
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} else{
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result = status.getTitleCache();
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}
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if (PreferencesUtil.isShowSymbolInChecklistEditor() && status.getSymbol() != null){
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result.concat(" ("+ status.getSymbol() + ")");
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}
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}
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fireStateChanged(distributionForColumn);
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return result;
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}
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return null;
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}
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protected void fireStateChanged(Distribution dist) {
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if (dist!= null){
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ISelection selection = new StructuredSelection(dist);
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selService.setSelection(selection);
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}
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}
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@Override
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protected void setValue(Object element, Object value) {
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if (element instanceof Taxon && value instanceof PresenceAbsenceTerm) {
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Taxon taxon = (Taxon) element;
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PresenceAbsenceTerm occurenceStatus = (PresenceAbsenceTerm) value;
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Distribution distribution = getDistributionForColumn(taxon);
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if (distribution != null) {
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// change status for already exsiting distribution
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distribution.setStatus(occurenceStatus);
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} else {
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createDistributionForColumn(taxon, occurenceStatus);
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}
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// viewer.update(distribution, null);
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// viewer.update(element, null);
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// viewer.refresh();
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// editor.setDirty(true);
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editor.changed(element);
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viewer.refresh();
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}
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}
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private static final List<String> DESC_INIT_STRATEGY = Arrays.asList(new String[] { "descriptions", //$NON-NLS-1$
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"descriptions.*", "description.state" }); //$NON-NLS-1$ //$NON-NLS-2$
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/**
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*
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* @param taxon
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* @return
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*/
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private Distribution getDistributionForColumn(Taxon taxon) {
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// List<TaxonDescription> listTaxonDescriptions = descriptionService.listTaxonDescriptions(taxon, null, null,
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// null, null, null, DESC_INIT_STRATEGY);
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Set<TaxonDescription> listTaxonDescriptions = taxon.getDescriptions();
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TableColumn column = viewer.getTable().getColumn(columnIndex);
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for (TaxonDescription td : listTaxonDescriptions) {
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for (DescriptionElementBase deb : td.getElements()) {
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if (deb instanceof Distribution) {
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Distribution distribution = (Distribution) deb;
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if (distribution.getArea() != null){
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if (PreferencesUtil.isShowIdInVocabularyInChecklistEditor()){
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if (column.getText().equalsIgnoreCase(distribution.getArea().getIdInVocabulary())) {
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return distribution;
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}
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}else{
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if (column.getText().equalsIgnoreCase(distribution.getArea().getTitleCache())) {
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return distribution;
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}
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}
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}
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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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private void createDistributionForColumn(Taxon taxon, PresenceAbsenceTerm occurenceStatus) {
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TableColumn column = viewer.getTable().getColumn(columnIndex);
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SortedSet<DefinedTermBase> namedAreas = this.editor.getLabelProvider().getNamedAreas();
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if (namedAreas != null) {
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for (DefinedTermBase term : namedAreas) {
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boolean sameArea = true;
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if (!PreferencesUtil.isShowIdInVocabularyInChecklistEditor()){
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sameArea = column.getText().equalsIgnoreCase(term.getTitleCache());
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} else{
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if (term.getIdInVocabulary() != null){
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sameArea = column.getText().equalsIgnoreCase(term.getIdInVocabulary());
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} else{
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sameArea = column.getText().equalsIgnoreCase(term.getTitleCache());
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}
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}
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if (sameArea) {
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NamedArea area = (NamedArea) term;
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Distribution distribution = Distribution.NewInstance(area, occurenceStatus);
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Set<TaxonDescription> descriptions = taxon.getDescriptions();
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if (!descriptions.isEmpty()) {
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for (TaxonDescription desc : descriptions) {
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// add to first taxon description
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desc.addElement(distribution);
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break;
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}
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} else {// there are no TaxonDescription yet.
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TaxonDescription td = TaxonDescription.NewInstance(taxon);
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td.addElement(distribution);
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break;
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}
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}
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}
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}
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return;
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}
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}
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