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/**
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* Copyright (C) 2016 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.ui.element;
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/**
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* @author k.luther
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* @date 22.06.2016
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*
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*/
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import org.eclipse.jface.util.PropertyChangeEvent;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.widgets.Button;
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import eu.etaxonomy.cdm.model.common.Language;
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import eu.etaxonomy.cdm.model.term.Representation;
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import eu.etaxonomy.cdm.model.term.TermBase;
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import eu.etaxonomy.cdm.model.term.TermType;
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import eu.etaxonomy.taxeditor.model.DefaultTermComparator;
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import eu.etaxonomy.taxeditor.model.ImageResources;
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.ui.combo.term.TermComboElement;
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public class RepresentationElement extends AbstractCdmFormElement {
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protected TermComboElement<Language> combo_language;
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protected TextWithLabelElement element_Label;
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protected TextWithLabelElement element_abbrevLabel;
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protected TextWithLabelElement element_plural;
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protected TextWithLabelElement element_text;
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protected Button button;
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protected Representation selectedRepresentation;
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protected TermBase term;
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private Button removeRepresentation;
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public RepresentationElement(CdmFormFactory formFactory,
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ICdmFormElement formElement, TermBase term,
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Integer textHeight, int style, boolean fill) {
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this(formFactory, formElement, null, term, textHeight, style, fill);
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}
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public RepresentationElement(CdmFormFactory formFactory,
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ICdmFormElement formElement, Representation representation, TermBase term,
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Integer textHeight, int style, boolean fill) {
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super(formFactory, formElement);
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formFactory.addPropertyChangeListener(this);
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element_Label = this.formFactory.createTextWithLabelElement(formElement, "Label", null, style);
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element_abbrevLabel = this.formFactory.createTextWithLabelElement(formElement, "abbrev. Label", null, style);
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element_plural = this.formFactory.createTextWithLabelElement(formElement, "Plural", null, style);
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element_text = this.formFactory.createMultiLineTextWithLabel(formElement, "Description", textHeight, style);
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if (PreferencesUtil.isMultilanguageTextEditingCapability()) {
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createRepresentationEditingElements(formElement, style);
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}
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setTerm(term, fill);
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if(representation!=null){
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setSelectedRepresentation(representation);
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}
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}
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protected void createRepresentationEditingElements(
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ICdmFormElement formElement, int style) {
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removeRepresentation = formFactory.createButton(getLayoutComposite(), null,
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SWT.PUSH);
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removeRepresentation.setImage(ImageResources
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.getImage(ImageResources.TRASH_ICON));
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removeRepresentation.setToolTipText("Remove representation");
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removeRepresentation.addSelectionListener(new DeleteListener(this));
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addControl(removeRepresentation);
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combo_language = formFactory.createDefinedTermComboElement(TermType.Language, formElement,
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"", null, false, style);
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}
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public List<Language> getLanguages() {
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ArrayList<Language> languageList = new ArrayList<Language>();
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for (Representation rep: term.getRepresentations()){
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languageList.add(rep.getLanguage());
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}
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Collections.sort(languageList, new DefaultTermComparator<Language>());
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return languageList;
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}
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public void setTerm(
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TermBase term, boolean update) {
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this.term = term;
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if (term.getRepresentations().isEmpty()){
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//if the term has no representation at all, create a default one.
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Representation rep = Representation.NewInstance("", "empty representation", "", PreferencesUtil.getGlobalLanguage());
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term.addRepresentation(rep);
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}
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if (selectedRepresentation != null) {
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combo_language.setTerms(getLanguages());
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} else{
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setEnabledControls(false);
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if (PreferencesUtil.isMultilanguageTextEditingCapability()) {
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removeRepresentation.setEnabled(false);
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}
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}
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if (update){
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updateControls();
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}
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}
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private void setEnabledControls(boolean enabled){
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element_Label.setEnabled(enabled);
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element_abbrevLabel.setEnabled(enabled);
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element_plural.setEnabled(enabled);
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element_text.setEnabled(enabled);
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}
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protected void updateControls() {
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Representation preferredRepresentation = term
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.getPreferredRepresentation(PreferencesUtil.getGlobalLanguage() );
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element_Label.setText(preferredRepresentation != null? preferredRepresentation.getLabel(): null);
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element_abbrevLabel.setText(preferredRepresentation != null? preferredRepresentation.getAbbreviatedLabel(): null);
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element_plural.setText(preferredRepresentation != null? preferredRepresentation.getPlural(): null);
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element_text.setText(preferredRepresentation != null? preferredRepresentation.getDescription(): null);
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selectedRepresentation = preferredRepresentation;
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if (PreferencesUtil.isMultilanguageTextEditingCapability()) {
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combo_language.setSelection(preferredRepresentation == null?CdmStore.getDefaultLanguage():preferredRepresentation.getLanguage());
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boolean removePossible = term.getRepresentations().size() > 1 ;
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removeRepresentation.setEnabled(removePossible);
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}
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}
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public TermBase getTerm() {
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return term;
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}
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@Override
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public void propertyChange(PropertyChangeEvent event) {
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if (event == null) {
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return;
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}
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Object eventSource = event.getSource();
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if (eventSource == element_abbrevLabel) {
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String abbrevLabel = ((TextWithLabelElement) eventSource)
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.getText();
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selectedRepresentation.setAbbreviatedLabel(abbrevLabel);
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, event));
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}
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else if (eventSource == element_plural){
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String plural = ((TextWithLabelElement) eventSource)
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.getText();
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selectedRepresentation.setPlural(plural);
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, event));
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} else if (eventSource == element_Label){
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String label = ((TextWithLabelElement) eventSource)
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.getText();
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selectedRepresentation.setLabel(label);
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, event));
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} else if (eventSource == element_text){
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String text = ((TextWithLabelElement) eventSource)
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.getText();
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selectedRepresentation.setText(text);
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, event));
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} else if (eventSource == button){
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, event));
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} else if (eventSource == combo_language){
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if (combo_language.getSelection() != null){
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setEnabledControls(true);
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boolean removePossible = term.getRepresentations().size() > 1 ;
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removeRepresentation.setEnabled(removePossible);
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Language selectedLanguage = combo_language.getSelection();
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if (selectedLanguage != null) {
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selectedRepresentation = getTerm().getRepresentation(selectedLanguage);
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if (selectedRepresentation == null){
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selectedRepresentation = Representation.NewInstance("", "", "", selectedLanguage);
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}
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element_Label.setText(selectedRepresentation.getLabel());
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element_abbrevLabel.setText(selectedRepresentation.getAbbreviatedLabel());
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element_plural.setText(selectedRepresentation.getPlural());
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element_text.setText(selectedRepresentation.getDescription());
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}else {
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setEnabledControls(false);
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}
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} else{
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setEnabledControls(false);
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removeRepresentation.setEnabled(false);
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}
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, event));
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}
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}
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public Representation getSelectedRepresentation() {
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return selectedRepresentation;
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}
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public void setSelectedRepresentation(Representation selectedRepresentation) {
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if (selectedRepresentation == null){
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selectedRepresentation = Representation.NewInstance("", "", "", null);
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}
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this.selectedRepresentation = selectedRepresentation;
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}
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private class DeleteListener extends SelectionAdapter {
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private final RepresentationElement element;
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public DeleteListener(RepresentationElement element) {
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this.element = element;
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}
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@Override
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public void widgetSelected(SelectionEvent e) {
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term.removeRepresentation(selectedRepresentation);
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firePropertyChangeEvent(new CdmPropertyChangeEvent(
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this, e));
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updateControls();
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}
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}
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}
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