EDIT

/**

* Copyright (C) 2007 EDIT

* http://www.e-taxonomy.eu

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Status;

import org.eclipse.core.runtime.jobs.Job;

import org.eclipse.swt.widgets.Display;

import eu.etaxonomy.cdm.api.service.NaturalLanguageGenerator;

import eu.etaxonomy.cdm.model.description.FeatureTree;

import eu.etaxonomy.cdm.model.description.TaxonDescription;

import eu.etaxonomy.cdm.model.description.TextData;

import eu.etaxonomy.taxeditor.preference.PreferencesUtil;

import eu.etaxonomy.taxeditor.store.CdmStore;

import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;

import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;

import eu.etaxonomy.taxeditor.ui.element.LabelElement;

 * @version 1.0

 */

public class NaturalLanguageDetailElement extends AbstractCdmDetailElement<TaxonDescription> {

	private static final Logger logger = Logger

			.getLogger(NaturalLanguageDetailElement.class);

			ICdmFormElement formElement) {

		super(formFactory, formElement);

	}

	/** {@inheritDoc} */

	@Override

	protected void createControls(ICdmFormElement formElement,

			TaxonDescription entity, int style) {

		label = formFactory.createLabel(formElement, "Generating Natural Language Description ...");

		if(entity.hasStructuredData()){

			FetchNaturalLanguageDescriptionJob job = new FetchNaturalLanguageDescriptionJob("Retrieving Natural Language Description", entity);

			job.schedule();

			label.setText("Taxon Description does not contain structured data.");

		}

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.taxeditor.section.AbstractCdmDetailElement#handleEvent(java.lang.Object)

	 */

	public void handleEvent(Object eventSource) {

		// nothing gets edited, nothing gets updated

	}

	private class FetchNaturalLanguageDescriptionJob extends Job {

		private TaxonDescription entity;

		private NaturalLanguageGenerator generator = new NaturalLanguageGenerator();

		private FeatureTree featureTree = PreferencesUtil.getDefaultFeatureTreeForStructuredDescription();

		private Display display = Display.getCurrent();

		public FetchNaturalLanguageDescriptionJob(String jobName, TaxonDescription entity){

			super(jobName);

			this.entity = entity;

		}

		@Override

		protected IStatus run(IProgressMonitor monitor) {

			String text = "";

			if(featureTree != null){

				CdmStore.createConversation();

				try{

					List<TextData> naturalLanguageDescription = generator.generateNaturalLanguageDescription(featureTree, entity, CdmStore.getDefaultLanguage());

					for(TextData element : naturalLanguageDescription){

						text += element.getText(CdmStore.getDefaultLanguage()) + " ";

					}

			else{

				text = "Could not generate natural language description, because no Feature Tree was set.";

			}

			final String aggregatedText = text;

			display.asyncExec(new Runnable(){

				@Override

				public void run() {

					label.setText(aggregatedText);

				}

			});

			return Status.OK_STATUS;

		}

	}

}