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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.ui.section.description;
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import java.util.List;
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import org.apache.log4j.Logger;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.core.runtime.jobs.Job;
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import org.eclipse.e4.ui.workbench.modeling.EPartService;
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import org.eclipse.swt.widgets.Display;
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import eu.etaxonomy.cdm.api.service.NaturalLanguageGenerator;
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import eu.etaxonomy.cdm.model.description.TaxonDescription;
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import eu.etaxonomy.cdm.model.description.TextData;
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import eu.etaxonomy.cdm.model.term.TermTree;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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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.element.CdmFormFactory;
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import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
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import eu.etaxonomy.taxeditor.ui.element.LabelElement;
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import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement;
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/**
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* <p>NaturalLanguageDetailElement class.</p>
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*
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* @author n.hoffmann
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* @created Sep 16, 2010
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* @version 1.0
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*/
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public class NaturalLanguageDetailElement extends AbstractCdmDetailElement<TaxonDescription> {
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private static final Logger logger = Logger
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.getLogger(NaturalLanguageDetailElement.class);
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private LabelElement label;
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/**
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* <p>Constructor for NaturalLanguageDetailElement.</p>
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*
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* @param formFactory a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.
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* @param formElement a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement} object.
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*/
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public NaturalLanguageDetailElement(CdmFormFactory formFactory,
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ICdmFormElement formElement) {
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super(formFactory, formElement);
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}
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/** {@inheritDoc} */
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@Override
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protected void createControls(ICdmFormElement formElement,
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TaxonDescription entity, int style) {
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label = formFactory.createLabel(formElement, "Generating Natural Language Description ...");
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if(entity.hasStructuredData()){
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FetchNaturalLanguageDescriptionJob job = new FetchNaturalLanguageDescriptionJob("Retrieving Natural Language Description", entity);
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job.schedule();
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}else{
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label.setText("Taxon Description does not contain structured data.");
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}
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.section.AbstractCdmDetailElement#handleEvent(java.lang.Object)
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*/
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/** {@inheritDoc} */
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@Override
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public void handleEvent(Object eventSource) {
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// nothing gets edited, nothing gets updated
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}
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private class FetchNaturalLanguageDescriptionJob extends Job {
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private TaxonDescription entity;
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private NaturalLanguageGenerator generator = new NaturalLanguageGenerator();
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private TermTree featureTree = PreferencesUtil.getDefaultFeatureTreeForStructuredDescription();
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private Display display = Display.getCurrent();
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public FetchNaturalLanguageDescriptionJob(String jobName, TaxonDescription entity){
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super(jobName);
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this.entity = entity;
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}
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@Override
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protected IStatus run(IProgressMonitor monitor) {
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String text = "";
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if(featureTree != null){
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CdmStore.createConversation();
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try{
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List<TextData> naturalLanguageDescription = generator.generateNaturalLanguageDescription(featureTree, entity, CdmStore.getDefaultLanguage());
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for(TextData element : naturalLanguageDescription){
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text += element.getText(CdmStore.getDefaultLanguage()) + " ";
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}
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}catch(Exception e){
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logger.error(e);
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}
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}
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else{
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text = "Could not generate natural language description, because no Feature Tree was set.";
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}
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final String aggregatedText = text;
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display.asyncExec(new Runnable(){
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@Override
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public void run() {
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if(!label.isDisposed()){
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label.setText(aggregatedText);
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AbstractUtility.reflowDetailsViewer(formFactory.getContext().get(EPartService.class));
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}
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}
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});
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return Status.OK_STATUS;
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}
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}
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}
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