EDIT

// $Id$

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* 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.

*/

package eu.etaxonomy.taxeditor.ui.section.feature;

import java.net.URI;

import java.net.URISyntaxException;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collections;

import java.util.HashSet;

import java.util.List;

import java.util.Map;

import java.util.Set;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Label;

import eu.etaxonomy.cdm.common.UriUtils;

import eu.etaxonomy.cdm.model.common.Language;

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

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

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

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

import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;

import eu.etaxonomy.taxeditor.preference.IPreferenceKeys;

import eu.etaxonomy.taxeditor.preference.PreferencesUtil;

import eu.etaxonomy.taxeditor.store.CdmStore;

import eu.etaxonomy.taxeditor.ui.forms.BrowserElement;

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

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

import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement;

/**

 * <p>FeatureDistributionDetailElement class.</p>

 *

 * @author n.hoffmann

 * @created Sep 23, 2010

 * @version 1.0

 */

public class FeatureDistributionDetailElement extends AbstractCdmDetailElement<FeatureNodeContainer> {

	private BrowserElement image;

	/**

	 * <p>Constructor for FeatureDistributionDetailElement.</p>

	 *

	 * @param formFactory a {@link eu.etaxonomy.taxeditor.ui.forms.CdmFormFactory} object.

	 * @param formElement a {@link eu.etaxonomy.taxeditor.ui.forms.ICdmFormElement} object.

	 */

	public FeatureDistributionDetailElement(CdmFormFactory formFactory,

			ICdmFormElement formElement) {

		super(formFactory, formElement);

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.taxeditor.section.AbstractCdmDetailElement#createControls(eu.etaxonomy.taxeditor.forms.ICdmFormElement, eu.etaxonomy.cdm.model.common.AnnotatableEntity, int)

	 */

	/** {@inheritDoc} */

	@Override

	protected void createControls(ICdmFormElement formElement, FeatureNodeContainer entity,

			int style) {

		String serviceUriString = PreferencesUtil.getPreferenceStore().getString(IPreferenceKeys.EDIT_MAP_SERVICE_ACCES_POINT);

		String message = null;

		try {

			URI serviceUri = new URI(serviceUriString);

			if(UriUtils.isServiceAvailable(serviceUri)){

				image = formFactory.createBrowserElement(formElement, null, style);

				String mapUriString = getMapUriString(getEntity());

				image.setImageUriString(mapUriString);

				formElement.getLayoutComposite().layout();

				message = mapUriString; 

				return;

			} else {

				message = String.format("The service is not available: %s", serviceUriString);

			}

		} catch (URISyntaxException e) {

			message = String.format("The URI has problems: %s", serviceUriString);

		}

		Label label = formFactory.createLabel(getLayoutComposite(), message, SWT.WRAP);

		addControl(label);

		label.setLayoutData(CdmFormFactory.FILL(2, 1));

	}

	/* (non-Javadoc)

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

	 */

	/** {@inheritDoc} */

	@Override

	public void handleEvent(Object eventSource) {

		// 

	}

	/**

	 * @return

	 * @throws URISyntaxException 

	 */

	private String getMapUriString(FeatureNodeContainer container){

		String accessPoint = PreferencesUtil.getMapServiceAccessPoint();

		Map<PresenceAbsenceTermBase<?>, java.awt.Color> presenceAbsenceTermColors = null;

		// FIXME due to a bug in the rest map service we have to ensure that width will always be an even number

		// image.calculateWidth() % 2 == 1 ? image.calculateWidth() + 1 : 

		int width = image.calculateWidth();

		String bbox = "-180,-90,180,90"; 

		String backLayer = null;

		List<Language> languages = Arrays.asList(new Language[]{CdmStore.getDefaultLanguage()});

		String parameter = CdmStore.getGeoService().getDistributionServiceRequestParameterString(getTaxonDescriptions(), presenceAbsenceTermColors, width, 0, bbox, backLayer, languages);

		String mapUriString = String.format("%s?%s&ms=1000", accessPoint, parameter);

		return mapUriString;

	}

	/**

	 * @return

	 */

	private List<TaxonDescription> getTaxonDescriptions() {

		return Arrays.asList(((TaxonDescription) getEntity().getDescription()).getTaxon().getDescriptions().toArray(new TaxonDescription[0]));

	}

}